Total 3,033 network engineer job vacancies in Information Technology category in Hong Kong

Company Overview

WSH Experts Pte Ltd, based in Singapore, delivers integrated industry services with innovative solutions. Our experienced global team supports organizations with tailored, effective strategies and expertise across diverse sectors.

Job Summary

The Senior Network Engineer will manage daily network operations, ensuring alignment with organizational growth and operational goals. This role supports infrastructure resilience, security, and performance across networks, servers, storage, middleware, and databases.

Responsibilities

• Perform network administration across heterogeneous environments (production, DR, test) including network and security equipment and telecommunication links to ensure operational stability
• Harden, upgrade, and enhance IT infrastructure components to maintain security and performance standards
• Monitor, assess, schedule, and implement security vulnerability patches on network and product systems to mitigate risks
• Track obsolescence of network systems and plan timely upgrades or replacements to maintain infrastructure reliability
• Manage expiry and renewal of network system passwords and certificates to uphold system security
• Implement network backup operations to guarantee data recoverability and support business continuity
• Execute disaster recovery plans for network systems and conduct regular DR testing and switchover exercises to validate standby equipment usability
• Provide 24x7 support by working in 5 shifts to ensure continuous network availability
• Deliver system and network support for projects, adhering to project timelines and requirements
• Manage infrastructure enhancement projects following established project management guidelines to meet organizational objectives
• Provide second-level network support to resolve incidents and problems within agreed Service Level Agreements (SLA)
• Diagnose network problems, propose, and implement measures to prevent incident recurrence
• Schedule and release network system changes into production environments following change management procedures
• Present and articulate change requests effectively in Change Advisory Board (CAB) or Change Approval Meeting Committee (CAMC) sessions
• Develop and maintain a comprehensive configuration database/library for operating systems, hardware, and software components in production
• Monitor infrastructure system and network capacity, and plan for future growth to ensure optimal resource utilization
• Perform network performance tuning to optimize system efficiency and responsiveness
• Implement IT service management processes aligned with corporate security policies and guidelines
• Develop and maintain technical and process documentation to support IT infrastructure upkeep and knowledge sharing

Required competencies and certifications

• Bachelor’s degree in Information Technology, Information Systems, Computer Science, or related field
• Minimum 15 years of hands-on experience managing network and security equipment such as Routers, Switches, Firewalls, VPN, Load Balancer, DNS, NAC in financial institutions or mission-critical environments
• Proven hands-on network engineering experience
• Certifications in Cisco Certified Network Associate (CCNA), Cisco Certified Network Professional (CCNP) Enterprise, CheckPoint Certified Security Administrator (CCSA), Certified Cloud Security Engineer (CCSE), Palo Alto Certified Network Security Administrator (PCNSA), Palo Alto Networks Certified Network Security Engineer (PCNSE), Fortinet Network Security Expert (NSE) (up to level 4), or Certified Network Defender

Preferred competencies and qualifications

• Familiarity with data centre operations

Looking for network engineers (ONE YEAR)

Knowledge and work experience requirement :

• Experience in project rollouts of servers, switches in data center environments
• Familiar with LAN WAN, TCP IP protocols
• Management of network incidents escalations from L1/L2, incident and problem and security incident response
• Responsible to work with the respective infra tower teams in troubleshooting and identify root cause, related to network.
• Responsible to work with the respective network vendors’ support teams for the troubleshooting, identification and resolution of network problems.
• Handling of the critical network incidents under pressure situations to resolve in timely manner to minimize the business impact.
• Attend to problem identification and resolutions.
• Must have good communication skills and able to work independently.
• Must adhere to process and policies of the customer.
• Able to work under pressure and with minimal supervision.

Education : Degree (with some network experience)

Years of Experience must include
• In-depth understanding of the networking concepts - Routing, Switching, LAN/WAN, Spanning Tree Protocol, HSRP, ARP, VLAN, Inter-VLAN Routing, OSPF, BGP etc.
• CCNA / HCNA is a must
• Advanced hands-on experience on troubleshooting complex network problems.
• Logical thinking and problem analysis skills to troubleshoot complex network problem to isolate the root cause and provide suitable resolution.
• Knowledge of advanced network technologies like VXLAN, Cisco ACI, VXLAN BGP eVPN, SDA, SDWAN etc will be added advantage

CCNA / CCNP is a bonus

Reporting to the Manager of Network Engineering and Operations. This role is a key individual within the Infrastructure Technology team providing technical expertise and support on network infrastructure operations, engineering and governance.

The Network Engineer will work with external technology vendors, System Integrators (SI), hosting service providers and internal IT groups and business units to provide technical expertise on global network design and global network operations and involved in network transformation and modernization initiatives. The role will provide support for day-to-day global network operations.

• Provide L2 network support.
• Provide 24/7 support for any network and security related high severity incidents.
• Develop and drive IT Service Management strategy for IT Operations, namely, Incident, Problem, Request and Change Management.
• Closely collaborates with IT infrastructure teams, Information Security team, IT application teams and other peers on architecture, solutions and network operations.
• Design, implement, and maintain network architectures that meet business objectives and service level agreements (SLAs).
• Perform routine network maintenance tasks, including applying patches, hot fixes, and security configurations. Monitor system resource utilization, trends, and capacity planning. Ensure system availability and reliability by monitoring performance and addressing any issues promptly.
• Configure and install various network devices and services, including routers, switches, firewalls, load balancers, wireless components, VPNs, and quality of service (QoS) components.
• Ensure stability and availability of Network SDWAN Infrastructure through application of ITSM best practices and continuous improvement and by co-ordinating with themanaged services vendor.
• Manage communication, user training and documentation for SDWAN /Network processes andtools related to IT Network Operations.
• Co-ordinate with the service providers to maintain and manage the Data centre operations, internet circuits, P2P links, Content Delivery Network solutions.
• Co-ordinate with managed service vendors to maintain and manage unified communications solutions.

Qualification andRequirements

• Bachelor’s degree in IT or equivalent experience.
• Minimum 3-5 years of experience in configuring and managing Cisco nexus switches, Cisco catalyst switches, routers, load balancers and Cisco / Meraki wireless solutions.
• Experience in configuring and managing routing protocols.
• At least 3-4 years hands on engineering, support, projects or operations experience in infrastructure, network and network security.
• Good knowledge on SDWAN solution.
• Knowledge on Content delivery network, SASE solutions, VPNs and Firewalls would be an added advantage.
• Good understanding on the ITIL process.
• Superior problem solving and Troubleshooting skills.
• Excellent Reporting and Communication skills.
• Ability to prioritize and execute tasks in high-pressure situations with guidance.
• Positive and professional working attitude, ability to work as a team or as an individual.
• Network certifications such as CCNA & security product(s) certifications are desirable.

Join us in a permanent position supporting enterprise-scale network infrastructure and mission-critical operations.

About the Role

We are seeking a Network Engineer to join a high-performing infrastructure team responsible for supporting and maintaining enterprise network environments. This is an excellent opportunity to work with leading networking, security, wireless, and monitoring technologies while gaining exposure to large-scale production environments.

You will play a key role in ensuring network availability, performance, and security through proactive support, troubleshooting, maintenance, and continuous improvement initiatives.

Key Responsibilities

• Provide onsite support for enterprise network infrastructure and related technologies.
• Troubleshoot and resolve network incidents, connectivity issues, and performance bottlenecks.
• Configure, maintain, and support Cisco Catalyst (IOS), Cisco Nexus (NX-OS), and Alcatel-Lucent switching environments.
• Administer and support Palo Alto and Fortinet FortiGate firewalls.
• Support and maintain enterprise wireless environments, including Alcatel-Lucent Wireless Controllers.
• Monitor network health, performance, and availability using SolarWinds NPM and NCM.
• Manage network access control policies through ClearPass Policy Manager.
• Perform network patching, upgrades, preventive maintenance, and health checks.
• Maintain accurate asset inventory, network documentation, and operational records.
• Collaborate with internal stakeholders, vendors, and support teams to ensure timely incident resolution and service delivery.
• Support continuous improvement initiatives to enhance network reliability, security, and operational efficiency.

Requirements

• Diploma or Degree in Information Technology, Computer Science, Engineering, or a related discipline.
• Minimum 3 years of hands-on experience supporting enterprise network environments.
• Experience supporting Cisco Catalyst (IOS), Cisco Nexus (NX-OS), and/or Alcatel-Lucent switching platforms.
• Hands-on experience with Palo Alto firewalls.
• Experience supporting enterprise wireless networks and wireless controllers.
• Familiarity with SolarWinds NPM/NCM and network monitoring tools.
• Experience with ClearPass or similar network access control solutions.
• Good understanding of routing, switching, TCP/IP, DNS, DHCP, VLANs, and network security concepts.
• Strong troubleshooting, analytical, and problem-solving skills.
• Good communication and stakeholder management abilities.

Preferred Skills

• Experience with Fortinet, Check Point, Cisco ASA, or other enterprise firewall platforms.
• Knowledge of VPN technologies and secure remote access solutions.
• Understanding of network segmentation, micro-segmentation, and Zero Trust principles.
• Exposure to IDS/IPS technologies and enterprise security environments.

Why Join Us

• Opportunity to work on enterprise-scale network infrastructure.
• Exposure to leading networking, security, and wireless technologies.
• Collaborative and technically strong engineering environment.
• Continuous learning and professional development opportunities.
• Opportunity to contribute to business-critical infrastructure supporting large-scale operations.

Interested applicants who are passionate about networking and infrastructure technologies are encouraged to apply.

How To Apply:

Submit your application by emailing a detailed copy of your updated Resume in MS Word Format to Lin Jin Sen (EA Personnel Reg. No. R25129852, Achieve Career Consultant Pte Ltd EA Licence No. 05C3451)

by clicking the “Apply Now” or email to andie.lin@achievegroup.asia for a confidential discussion

Current & Expected Salary

Reason(s) for leaving

Notice Period / Availability to commence work

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Kindly ensure your resumes provided to us does not contain your full NRIC number and full home address during your job application.

Details:
1 Year Renewable Contract

Duties:

• Manage and support enterprise network infrastructure including routers, switches, firewalls, and load balancers in 24x7 production environments.
• Install, configure, and maintain network hardware and software; manage user access, permissions, and authentication systems.
• Ensure high availability, resilience, and performance through routine health checks, monitoring, and capacity planning.
• Design, implement, and manage connectivity between on-premise data centres and cloud environments.
• Support cloud VPC architecture, VPN (Site-to-Site / Client), and Direct Connect integration.
• Troubleshoot hybrid connectivity issues across cloud and on-premises environments, coordinating with telecom providers as needed.
• Configure and manage firewalls, security groups, NACLs, network segmentation, and zoning.
• Implement security best practices aligned with regulatory standards and PCI DSS requirements where applicable.
• Collaborate with the security operations team on vulnerability remediation, system hardening, and incident response.
• Monitor network performance using tools such as SolarWinds, PRTG, CloudWatch, or equivalent platforms.
• Analyse traffic patterns, latency, and throughput; proactively identify and resolve performance bottlenecks.
• Investigate and resolve network outages, connectivity issues, latency, and packet loss in coordination with cloud teams, telcos, and third-party contractors.
• Participate in major incident management processes and contribute to root cause analysis (RCA).
• Implement network changes in accordance with change advisory board (CAB) processes; support deployments requiring network configuration updates.
• Perform validation testing and rollback planning for all changes.
• Manage network connectivity with external partners, payment gateways, and telecommunications providers.
• Coordinate vendor provisioning, troubleshooting, and performance optimisation; monitor connectivity health post-provisioning.
• Design and maintain network redundancy, failover mechanisms, and disaster recovery (DR) configurations.
• Participate in DR exercises and validate failover readiness.
• Maintain up-to-date network diagrams, configurations, SOPs, and operational runbooks.
• Identify and recommend improvements for network performance, security, and scalability.
• Provide after-hours support for incidents, scheduled maintenance, firmware/software updates, and critical network changes.

Requirements:

• Diploma or degree in Computer Science, Information Technology, Engineering, or equivalent.
• Minimum 3 years of experience in network engineering or operations, supporting enterprise or mission-critical hybrid environments.
• Hands-on experience with AWS networking services including VPC, subnets, route tables, security groups, NACLs, VPN, and Direct Connect; exposure to Azure or GCP is an advantage.

Interested Applicants, please click Apply Now

Chow Zi Qing

R2199258

RevUp Proservices Pte Ltd

EA.24C2366

Details:
1 Year Renewable Contract

Duties:

• Manage and support enterprise network infrastructure including routers, switches, firewalls, and load balancers in 24x7 production environments.
• Install, configure, and maintain network hardware and software; manage user access, permissions, and authentication systems.
• Ensure high availability, resilience, and performance through routine health checks, monitoring, and capacity planning.
• Design, implement, and manage connectivity between on-premise data centres and cloud environments.
• Support cloud VPC architecture, VPN (Site-to-Site / Client), and Direct Connect integration.
• Troubleshoot hybrid connectivity issues across cloud and on-premises environments, coordinating with telecom providers as needed.
• Configure and manage firewalls, security groups, NACLs, network segmentation, and zoning.
• Implement security best practices aligned with regulatory standards and PCI DSS requirements where applicable.
• Collaborate with the security operations team on vulnerability remediation, system hardening, and incident response.
• Monitor network performance using tools such as SolarWinds, PRTG, CloudWatch, or equivalent platforms.
• Analyse traffic patterns, latency, and throughput; proactively identify and resolve performance bottlenecks.
• Investigate and resolve network outages, connectivity issues, latency, and packet loss in coordination with cloud teams, telcos, and third-party contractors.
• Participate in major incident management processes and contribute to root cause analysis (RCA).
• Implement network changes in accordance with change advisory board (CAB) processes; support deployments requiring network configuration updates.
• Perform validation testing and rollback planning for all changes.
• Manage network connectivity with external partners, payment gateways, and telecommunications providers.
• Coordinate vendor provisioning, troubleshooting, and performance optimisation; monitor connectivity health post-provisioning.
• Design and maintain network redundancy, failover mechanisms, and disaster recovery (DR) configurations.
• Participate in DR exercises and validate failover readiness.
• Maintain up-to-date network diagrams, configurations, SOPs, and operational runbooks.
• Identify and recommend improvements for network performance, security, and scalability.
• Provide after-hours support for incidents, scheduled maintenance, firmware/software updates, and critical network changes.

Requirements:

• Diploma or degree in Computer Science, Information Technology, Engineering, or equivalent.
• Minimum 3 years of experience in network engineering or operations, supporting enterprise or mission-critical hybrid environments.
• Hands-on experience with AWS networking services including VPC, subnets, route tables, security groups, NACLs, VPN, and Direct Connect; exposure to Azure or GCP is an advantage.

Interested Applicants, please click Apply Now

Chow Zi Qing

R2199258

RevUp Proservices Pte Ltd

EA.24C2366

Job Description:

1. Oversees projects management and implementation;
2. Codify implementation design into documented for end user's record;
3. Conduct training and presentation for team members and end-users;
4. Provide technical testing or support to pre-sales engineer/customer on the network setup;
5. Assist on technical communications with customer/partner, to ensure closure of sales order;
6. Ensuring that the solution can deliver on the customer’s requirements;
7. Work closely with Level 2 support, if case issue is escalated to Level 3;
8. Maintain rapport with customers and competence in managing vendors; and
9. Any other ad-hoc duties assigned.

Job Requirement:

• Degree/Diploma in IT Networking or equivalent
• At least 2 years of work experience in a SI or distributor environment with network security skillset
• Good IT knowledge in OSI 7 Layer, TCP/IP, LAN/WAN technologies and network security
• Ability to work under pressure with minimal supervision
• Excellent in communication and analytical skill
• Experience in network security projects implementation
• Positive working attitude and a good team player
• Willing to work extended office hours and after office hours when needed
• Exposure to security solution such as Firewall, local balancer or endpoint protection will be an added advantage

Overview

Microsoft has an exciting opportunity for an experienced network engineer to join our Sovereign Cloud Program, working to build out and support networking infrastructure in Microsoft’s National Partner Clouds (NPCs).

NPCs are specialized cloud environments that are designed to comply with the data laws of specific countries and regions.  You would be part of the team responsible for

• enabling secure cross-domain data transfer between the Azure public cloud and the NPCs
• enabling secure operational access to the NPCs for the local operations team
• NPC operations infrastructure – including WAN and LAN connectivity

These capabilities enable secure data transfer between platforms, and have critical and demanding security, sovereignty, monitoring and control requirements. Coupled with the challenges of supporting complex environments across disparate security domains, these roles create exciting complex engineering and service support challenges you can solve with us!

Microsoft’s mission is to empower every person and every organization on the planet to achieve more.  As employees we come together with a growth mindset, innovate to empower others, and collaborate to realize our shared goals.

Each day we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond.

Responsibilities

• You’ll be a critical member of the team responsible for implementing and supporting networking capabilities within high-assurance, secure and highly-available environments.  
• You’ll be responsible for implementing and refining DevOps practices in order to improve operational efficiency while ensuring other requirements, such as security, are not compromised.
• You’ll actively participate in 24/7/365 support, which means participating in rotating on-call duties. Your responsiveness and problem-solving skills will be crucial.
• Collaboration across the global organization is essential. You’ll be a contact point between teams, driving cross-team information sharing and process reuse in order to enhance efficiency and consistency.
• Working closely with security teams, you’ll ensure adherence to security standards. This involves integrating security practices into all aspects of your work. By maintaining a strong security posture, you’ll protect critical assets.
• You should expect to need to travel to the in-country Sovereign Operations Centres on a regular basis. This physical presence is vital for effective coordination, monitoring, and collaboration within the centre.  Exact frequency to be agreed, but needs to be frequent enough to build strong relationships with the partner teams there.

Qualifications

Required:

• Bachelor’s Degree or equivalent and at least 3 years of hands-on experience in designing and providing operational support to complex networking environments.
• Knowledge and experience deploying/configuring and maintaining Network environments (both in physical platforms and Azure) including: L2/L3 Routing (BGP) & Switching, Firewalls (NAT & ACLs), IPSEC VPN.
• Azure Fundamentals (AZ-900) or any other equivalent Cloud Certification
• Proficiency in English (spoken and written) is essential for internal collaboration and reporting.

Preferred:

• Experience in system and service administration of complex platforms.
• Systems shell scripting experience (Bash, PowerShell, Python) and Dev Ops suites such as Ansible or equivalent.
• Experience working in broad domains including security, software, networking and service design.
• Experience of service support, with on-call responsibilities. 
• Experience with distributed systems and critical production service environments.   
• DevOps experience, including continuous configuration automation.
• Azure deployment knowledge including Bicep and Arm templates.

Security Clearance Requirements:
This role requires access to sensitive company and customer information. Security clearance ensures regulatory compliance, mitigates security risks, and validates the candidate’s trustworthiness for high-security environments.

Candidates must be able to meet Microsoft, customer, and/or government security screening requirements for this role. These requirements include, but are not limited to, the following specialized security screenings:

• Microsoft Cloud Background Check: Required upon hire/transfer and every two years thereafter.

• Singapore Category 2 Clearance (as applicable): Candidates must be willing to undergo a Cat 2 background check, which may include:

  • Verification of identity and citizenship status

  • Review of education and employment history

  • Criminal record screening

  • Financial or bankruptcy checks, where applicable

  • Assessment of potential security risks (excluding full-scope family investigations required for Category 1)

• Customer or government screening requirements: As needed over time.

Microsoft is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, citizenship, color, family or medical care leave, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran or military status, race, ethnicity, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable local laws, regulations and ordinances. If you need assistance with religious accommodations and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations.

Overview

Microsoft has an exciting opportunity for an experienced network engineer to join our Sovereign Cloud Program, working to build out and support networking infrastructure in Microsoft’s National Partner Clouds (NPCs).

NPCs are specialized cloud environments that are designed to comply with the data laws of specific countries and regions.  You would be part of the team responsible for

• enabling secure cross-domain data transfer between the Azure public cloud and the NPCs
• enabling secure operational access to the NPCs for the local operations team
• NPC operations infrastructure – including WAN and LAN connectivity

These capabilities enable secure data transfer between platforms, and have critical and demanding security, sovereignty, monitoring and control requirements. Coupled with the challenges of supporting complex environments across disparate security domains, these roles create exciting complex engineering and service support challenges you can solve with us!

Microsoft’s mission is to empower every person and every organization on the planet to achieve more.  As employees we come together with a growth mindset, innovate to empower others, and collaborate to realize our shared goals.

Each day we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond.

Responsibilities

• You’ll be a critical member of the team responsible for designing, implementing and supporting networking capabilities within high-assurance, secure and highly-available environments.  Your role as a senior network engineer will mean you are responsible for the outcomes the team delivers as well as ensuring other team members grow and learn to deliver better outcomes themselves.
• You’ll be responsible for championing, implementing and refining DevOps practices in order to improve operational efficiency while ensuring other requirements, such as security, are not compromised.
• You’ll lead design, network/code and security reviews across teams to identify risks and prevent classes of bugs prior to release by applying expertise in network implementation, available technologies, analysis of telemetry pipelines, and root cause analysis, as well as best practices in identifying and implementing solutions.
• You’ll understand the capabilities and limitations of existing tools and resources, and the customer impact of design trade-offs and exceptions, to drive and optimize team decision making.
• You’ll actively drive 24/7/365 support, which means participating in rotating on-call duties. Your responsiveness and problem-solving skills will be crucial.
• Collaboration across the global organization is essential. You’ll be a contact point between teams, driving cross-team information sharing and process reuse in order to enhance efficiency and consistency.
• Working closely with security teams, you’ll ensure adherence to security standards. This involves integrating security practices into all aspects of your work. By maintaining a strong security posture, you’ll protect critical assets.
• You should expect to need to travel to the in-country Sovereign Operations Centres on a regular basis. This physical presence is vital for effective coordination, monitoring, and collaboration within the centre.  Exact frequency to be agreed, but needs to be frequent enough to build strong relationships with the partner teams there.

Qualifications

Required:

• Bachelor’s Degree or equivalent and at least 5 years of hands-on experience in designing and providing operational support to complex networking environments.
• Strong knowledge and experience deploying/configuring and maintaining Network environments (both in physical platforms and Azure) including: L2/L3 Routing (BGP) & Switching, Firewalls (NAT & ACLs), IPSEC VPN.
• Azure Fundamentals (AZ-900) or any other equivalent Cloud Certification
• Proficiency in English (spoken and written) is essential for internal collaboration and reporting.

Preferred:

• Deep experience in system and service administration of complex platforms.
• A passion for innovation in complex and constrained environments, to deliver advanced and progressive customer experiences.
• Understanding of the challenges of system and service management in high security domains.
• Systems shell scripting experience (Bash, PowerShell, Python) and Dev Ops suites such as Ansible or equivalent.
• Experience working in broad domains including security, software, networking and service design.
• Extensive experience of service support, with on-call responsibilities. 
• Expertise experience in problem solving and analyzing distributed systems and critical production service environments.   
• DevOps experience, including continuous configuration automation.
• Azure deployment knowledge including Bicep and Arm templates.

Security Clearance Requirements:
This role requires access to sensitive company and customer information. Security clearance ensures regulatory compliance, mitigates security risks, and validates the candidate’s trustworthiness for high-security environments.

Candidates must be able to meet Microsoft, customer, and/or government security screening requirements for this role. These requirements include, but are not limited to, the following specialized security screenings:

• Microsoft Cloud Background Check: Required upon hire/transfer and every two years thereafter.

• Singapore Category 2 Clearance (as applicable): Candidates must be willing to undergo a Cat 2 background check, which may include:

  • Verification of identity and citizenship status

  • Review of education and employment history

  • Criminal record screening

  • Financial or bankruptcy checks, where applicable

  • Assessment of potential security risks (excluding full-scope family investigations required for Category 1)

• Customer or government screening requirements: As needed over time.

Microsoft is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, citizenship, color, family or medical care leave, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran or military status, race, ethnicity, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable local laws, regulations and ordinances. If you need assistance with religious accommodations and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations.

We are seeking a qualified Network Automation Engineer with at least 5 years of hands on experience in enterprise networking, network automation, and SDN technologies. The ideal candidate will design, develop, validate, and maintain automation solutions that adhere to industry best practices—spanning Cisco NX OS/Catalyst platforms.

This role requires expertise in automation frameworks, scripting, network provisioning, troubleshooting workflows, and NX OS/Catalyst operational tooling.

________________________________________

Key Responsibilities

Network Automation & Development

• Design, build, and maintain network automation frameworks to streamline provisioning, configuration, compliance, and lifecycle operations.

• Develop automation using Python, Ansible/ Terraform, REST/NETCONF/NMI APIs, and YAML.

• Implement Infrastructure as Code using:

o Ansible Tower / AWX

o GitLab repositories

o Azure DevOps CI/CD pipelines

o CyberArk Vault for secure credential and secrets handling.

• Establish coding standards, documentation practices, and reusable automation modules.

Architecture, Governance & Best Practices

• Translate business requirements into scalable network automation architecture.

• Define automation governance, templates, naming standards, and deployment guidelines.

• Conduct code reviews and enforce security, compliance, and audit rules.

• Recommend enhancements and assess emerging technologies.

________________________________________

Experience in the following Network automation:

NX OS & Catalyst Deployment

• Provision devices using provided templates:

o Interfaces, VLANs, IPs, hardening constructs

o HSRP, LACP port channels

o ACLs

o Static & dynamic routing (OSPF/BGP)

• Perform automated validation and compliance checks.

Network Health Monitoring, Logs & Troubleshooting

• Automated health checks (fabric topology, device status, endpoint connectivity).

• Fault detection & remediation for NX-OS/Catalyst

• Collect diagnostic logs & performance data for RCA.

• Automate network devices backup with version control.

________________________________________

Required Qualifications

• At least 5 years of enterprise networking & automation experience.
• Cisco CCNP, CCIE Professional

• Red Hat Ansible Tower / Terraform Certified

Transmission / IP Network Engineer

Main Responsibilities

· Responsible for operation, maintenance, and troubleshooting of transmission and IP network equipment.

· Provide remote and on-site technical support to customers.

· Monitor network performance and handle alarms, faults, and service issues in a timely manner.

· Perform routine maintenance, health checks, and preventive maintenance activities.

· Escalate and coordinate major incidents to ensure service restoration within SLA requirements.

· Prepare maintenance reports and technical documentation.

· Support network upgrades and configuration changes when required.

Main Requirements

· Diploma or above in Telecommunications, Electronics Engineering, Computer Engineering, Information Technology, or related disciplines.

· Experience in transmission, bearer network, or IP network maintenance and support.

· Strong troubleshooting and problem-solving skills.

· Good communication and documentation skills.

· Willing to provide on-site support when required.

About the Role:

TEKsystems is seeking an experienced Network Operations Specialist to support a large-scale enterprise environment. This role focuses on maintaining network stability, managing incidents, and supporting critical perimeter security infrastructure across a global network.

You will act as a key point of contact during production incidents, leading triage efforts and ensuring rapid restoration of services while collaborating with cross-functional technical teams.

Key Responsibilities:

• Lead triage and resolution of network-related incidents, with a focus on business-critical outages
• Act as a central coordination point during major incidents and drive resolution efforts across teams
• Monitor network health using tools, dashboards, and logs to identify and respond to issues proactively
• Manage and support perimeter security technologies, including firewalls and intrusion detection/prevention systems
• Provide clear and timely status updates to stakeholders, including senior leadership
• Document incidents, root cause analysis, and resolution steps accurately
• Identify risks, vulnerabilities, and areas for service improvement
• Ensure adherence to operational standards, governance, and best practices
• Maintain up-to-date documentation, runbooks, and knowledge articles
• Support continuous improvement initiatives and automation where applicable

Required Skills & Experience:

• Extensive experience in enterprise network operations or support environments
• Strong background in network security technologies, particularly in perimeter and edge security
• Solid understanding of:

o  Firewall configuration and policy management

o  Network address translation (NAT), high availability, and redundancy concepts

o  Threat detection and prevention technologies

o  Secure network communication and tunnelling protocols

• Good knowledge of core network security principles and best practices for protecting external-facing environments
• Experience supporting a range of network and infrastructure services, such as:

o  Traffic management and load balancing solutions

o  Core network services (e.g. name resolution and IP address management)

o  Secure web access and proxy solutions

o  Data protection and monitoring tools

o  Understanding of encryption, certificates, and secure communications

• Strong problem-solving, analytical, and communication skills
• Ability to work effectively both independently and as part of a team in a fast-paced, high-availability environment

Why Join Us?

• Opportunity to work in a global enterprise environment
• Exposure to cutting-edge network security technologies
• Be part of a high-impact operations team supporting mission-critical systems
• Access to continuous learning and career development opportunities

We regret to inform that only shortlisted candidates will be notified.

EA Number: Venetia Moss , R1980847

Allegis Group Singapore Pte Ltd, Company Reg No. 200909448N, EA License No. 10C4544

Responsibilities

• Responsible for day-to-day network operations, covering network switch, firewall, WLC, AP, VPN, WAF and cloud networking, ensuring availability and continuity of services
• Administer and manage network routing and authentication
• Monitor network uptime and usage
• Perform network maintenance and upgrades including patches, hot fixes and security updates
• Perform scan on network/system logs for malicious activities
• Work closely with cyber security operations, covering endpoint security, SIEM and cloud security
• Liaise with 3rd party vendor and cross department for network/security projects
• Participate on internal and external network/security audit
• Maintain and update network inventory and diagram
• Investigate and troubleshoot any network incident or vulnerability

Qualifications

• Diploma / Degree in Information Technology or equivalent with at least 2 years of experience in networking
• Experience in administration and troubleshooting skill of: Firewall ; Switches ; Wireless Controller ; Access Point ; NAC ; WAF ; Services: AAA, DNS, DHCP, MFA, backup tool, SNMPCloud networking ; Hands-on experience on endpoint protection and SIEM ; Knowledge in infrastructure network design ;
• Knowledge and/or experience in the following will be advantageous: Open-source technology, Automation
• CCNA, CompTIA Security+ or equivalent certification will be advantageous
• Strong technical & troubleshooting skills.
• Strong documentation and organizational skills.
• Independent worker with minimum supervision.
• Good team player and process driven.
• Good verbal and written communication skills.
• Candidates with no relevant experience are welcome to apply

Job Description:

• Perform Systems Administration: Maintain Windows servers, virtualizationplatforms, and storage solutions. Manage Active Directory, ONS, OHCP, and Group Policy. Ensure high availability and disaster recovery with backups and replication. Monitor system performance, troubleshoot issues, and apply patches and updates.
• Maintain Network Services: Implement network design, configure, and maintain LAN, WLAN, and VPN infrastructure, managing firewalls, switches, and routers. Implement and monitor network security policies, intrusion detection, and access control. Optimize network performance, troubleshoot connectivity issues, and ensure redundancy.
• Ensure Security and Compliance : Implement cybersecurity best practices,monitor threats, and manage endpoint protection and vulnerability assessments. Ensure compliance with regulations (e.g., HIB). Conduct security audits and enforce policies on user access, encryption, and authentication.
• Documentation and Reporting: Create and maintain network documentation, including network diagrams, configurations, and procedures.
• On Rotating Roster: Provide standby support during off-office hours and weekend on a rotational basis.
• Ad Hoc Assignments: carry out any other tasks assigned by the supervisor

Interested applicants, please Email , and look for johnwong@recruitexpress.com.sg

John (Joax) Wong

Recruit Express Pte Ltd

EA License No. 99C4599

EA Personnel Registration Number: R23117179

Professional Qualifications:

• Diploma or Bachelor’s degree in information technology or any related discipline.
• Industry-recognized network certifications such as CCNP or equivalent are strongly preferred.

Skills:

• Minimum 7 years of experience in supporting high-tech environments using Cisco networking solutions.
• In-depth knowledge of Cisco Switches, Access point and Firewall
• Strong expertise in wired, wireless, and VPN network support, with a focus on enterprise-level networks.
• Proficiency in network monitoring and diagnostic tools to ensure optimal performance and security.