Total 5,311 network engineer job vacancies in Hong Kong

System Administrator / IT Infrastructure Engineer

Key Responsibilities:

• Provide Tier 2 technical support for hardware, software, network, and server-related issues.
• Manage Windows Server environments, Active Directory, DNS, DHCP, and Group Policies.
• Configure and maintain firewalls, VPNs, and network security policies.
• Support virtualization platforms, backup/recovery solutions, and endpoint security tools.
• Perform system patching, upgrades, user access management, and MFA administration.
• Document incidents, changes, and technical procedures.
• Participate in infrastructure projects, including cloud and system migrations.
• Travel to client sites as required to provide technical support.

Requirements:

• Hands-on experience with Windows Server Administration, networking, and firewall management.
• Knowledge of VMware/Hyper-V, backup solutions (Veeam/Acronis), and ITSM tools (ServiceNow/Jira).
• Strong troubleshooting skills across hardware, software, and network environments.
• Familiarity with Windows, macOS, and common business applications.
• Good communication skills, including the ability to support Chinese-speaking users.
• Ability to work independently and collaboratively.

Preferred Certifications:

• CompTIA Network+ / Security+
• Microsoft Azure Fundamentals
• Cisco CCNA
• Fortinet NSE
• ITIL Foundation

If you would like to know more aboutthis role, do drop me a message or you can alternatively drop me an emailstated below.

latha@dhc.com.sg

By submitting an application or yourresume, you are deemed to have consented to Dynamic Human Capital Pte Ltdcollecting, using and disclosing your personal data for the purposes stated inour privacy notice (https://dhc.com.sg/privacy-policy). You acknowledge thatyou have read, understood, and agree with the terms in our privacy notice.

Under the revised EmploymentAgencies Licence Condition 5(b), employment agencies (EAs) are required tocollect the personal data (e.g., NRIC, FIN) of applicants referred to employersfor permanent or contract job positions of at least 6 months with a fixedmonthly salary of $3,300 and above. PDPA requirements on collection, use anddisclosure of personal data are not applicable to EAs that are collecting suchinformation, as it is a regulatory requirement.

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We regret to inform you that onlyshortlisted candidates will be notified. All applications will be treated withthe strictest confidence.

Latha M

Senior Researcher

Dynamic Human Capital Pte Ltd,

2 Kallang Avenue #03-08 CT HubSingapore 339407

EA License No: 12C6253 |RegistrationNo: R1987570

· Possess Good Experience for providing L1 Cloud Networking support and Maintenance of critical IT network Infrastructure

· Designing and maintaining the network architecture (in Cloud)

· Implementing and managing network security measures (Vulnerability Assessment, Firewall Review)

· Monitoring and optimizing network performance

· Maintaining documentation and producing reports

· Evaluating and implementing new network technologies (in Cloud)

· Coordinate and liaise with vendors/contractors for network support, implementation and
troubleshooting
Hands on experience of handling various network and security devices such as

· Firewall (Checkpoint and Palo Alto), F5 Load Balancer, Cisco Routers (2800 series), Cisco catalyst switches (3700, 4500 series), Alcatel-Lucent Omni Switch (6850, 9000 series), Aruba Clear Pass

· Responsible for day-to-day Operations and administration on network & security infrastructure

· Perform installation, configuration, and maintenance of network equipment and network operating System

· Responsible for network design and security particularly troubleshooting and/or debugging network-related problems.

· Good Knowledge of troubleshooting, problem identification, problem resolution, and/or resolution recommendation activities to first- and second-level teams

· Managing of Cisco Security devices; ASA appliance 5555-X and 5585-X, Juniper Net screen & (including virtual firewall contexts), Checkpoint Firewall

· Managing of Cisco Data & Security Devices; ASDM, CSM, and DCNM

· Managing of Servers; AAA, SNMP, Syslog, NTP, DHCP, FTP, DNS, IPS, VPN, AAA, DNS, DHCP, load balancers, F5 Load balancer

· Managing of Cisco Routers and Switches Catalyst 6500,4500,3750,2960 & 3560 Series

· Managing of Alcatel Switches Omni Switches 6850 & Omni Switch 9000

· Significant exposure to TACACS+, Radius, and Cisco Access Control System

· Network consulting for new projects.

· Implementation of new solutions and risk mitigation techniques

· Receipt, evaluation, and implementation of inbound Network Access user and device provisioning/de-provisioning service requests

· Experience in managing Wireless Environment with WLAN Controller.

· Experience in managing Network Access Control

· Assets risk measurement and Mitigation/Minimize risk

· Network security issue-resolving approach

· Alignment with the security governance team

· Perform maintenance of the network authorization infrastructure as well as network backup system.

· Maintains the inventory of equipment and parts as well as documentation of vendor activates.

· Develop and document systems standards for computer and network devices.

· Recommend and schedule repairs to the LAN/WAN and ensure timely user notification of maintenance requirements and effects on system availability.

· Strong networking background and experience, with the ability to do troubleshooting of both access control and network-related problems.

· Troubleshoot networks, systems, and applications to identify and correct malfunction; other operational difficulties and provide telephone and internal users.

Description

As a Network Engineer L1, you will be responsible for the following :-

• 24/7 network operations and monitoring of network infrastructure and UPS systems

• Incident handling and escalation

• Incident tracking and reporting

• Preventive maintenance support

• Corrective maintenance support

• Monthly preventive maintenance reporting

• Network configuration support

• Change support based on approved requirements

• Monthly SLA reporting, performance reporting, incident reporting

Manage infrastructure includes:

• Routers, switches and firewalls

• IPS / IDS / NAC systems

• Load balancers

• Wireless infrastructure

• Media converters

• Any other network devices

• UPS systems

Key Deliverables

• Fully managed 24/7 Network & UPS support

• Incident resolution within agreed SLA

• Preventive maintenance and monthly reporting

• Security and compliance assurance

Requirements

• Minimum Higher Nitec or Nitec with Module in IT and has fundamental knowledge in Network.
• Capable to understanding and implement procedures and instructions given in operations manual.

• A strong team player with the ability to collaborate and willingness to support others.
• Have strong communications skills and ability to resolve issues or inquiries effectively.
• Able to work rotational shifts: 1st Shift (22:00 - 10:00 hours) & 2nd Shift (10:00 - 22:00 hours).
• Successful applicants for this position should be ready to work primarily at Tuas Checkpoint. However, they may also be assigned to work at Woodlands checkpoint in the future on a rotational basis.

Benefits

• You will be trained to install, monitor, and troubleshoot network equipment.
• Shift Allowance
• Performance Bonus

Job Summary

TheNetwork and System Engineer is responsible for the design, implementation,administration, maintenance, security, and troubleshooting of ITinfrastructure, including servers, networks, firewalls, and related systems.The role supports both internal and customer-facing environments, ensuringsystem reliability, security compliance, and operational efficiency.

Key Responsibilities

Infrastructure & SystemsManagement

• Perform installation, migration, administration, maintenance, and troubleshooting of servers and IT systems.
• Design, install, configure, and maintain servers, network devices, and firewall systems.
• Proactively monitor and maintain system, network, and security infrastructure to ensure optimal performance and availability.
• Apply operating system updates, patches, security fixes, and configuration changes.
• Conduct system health checks, hardening activities, and remediation works.

Network & Security Administration

• Administer and support enterprise network and security environments, including data centre
• Maintain perimeter security systems such as firewalls and intrusion detection/prevention systems.
• Ensure compliance with cybersecurity and security hardening requirements.
• Manage and troubleshoot TCP/IP networking, VPN connectivity, switches, routing, and related network services.

Incident Management &Troubleshooting

• Analyse, troubleshoot, and resolve system, application, hardware, software, security, and network-related issues both remotely and on-site.
• Investigate incidents through system and network logs and identify root causes and preventive measures.
• Document incident reports and maintain records of system and network performance.
• Provide first and second-level technical support and coordinate issue resolution with vendors and internal stakeholders.

Project & Change Management

• Execute standard operational changes and project-related changes within approved maintenance and change windows.
• Participate in infrastructure projects, system enhancements, and new technology implementations.
• Support automation and scripting initiatives to improve operational efficiency.
• Assist in requirement gathering, solution design, implementation, and deployment of new systems and services.

Documentation & Vendor Management

• Maintain accurate technical documentation, including system architecture, configurations, operating procedures, process flows, and support guidelines.
• Liaise with vendors, service providers, and internal IT teams for issue resolution and project implementation.

Support & Operations

• Provide after-hours support for infrastructure incidents and scheduled maintenance activities.
• Participate in a 24x7 standby rotation roster.
• Travel to customer and project sites across Singapore when required.

Requirements

Education

• Degree or Diploma in Information Technology, Computer Science, or a related discipline.

Experience

• 3-5 years of relevant experience in systems, network, and security administration.
• Experience supporting enterprise infrastructure environments, including on-premises.
• Hands-on experience with Windows Server administration and Active Directory/LDAP user management.
• Experience with firewall, network, and security technologies.

Technical Skills

Strong knowledge of:

• Windows Server environments
• Active Directory / LDAP
• TCP/IP networking
• VPN technologies
• Network switches and routing
• Firewalls and security appliances
• Infrastructure monitoring and troubleshooting
• Scripting and automation tools
• Ability to diagnose and resolve hardware, software, system, middleware, and network issues.

Successful candidates need to be comfortable with working on weekends, and rotation shifts as and when required.

Key Responsibilities

• Provide Level 2/3 support for network infrastructure across data centers, remote branches, and overseas locations.
• Install, configure, and troubleshoot Cisco routers, switches (Nexus, 2960, 3750), and firewalls (Checkpoint, Juniper).
• Manage and support routing protocols including RIP, EIGRP, OSPF, BGP, and HSRP.
• Perform network health checks, DR drills, and ISDN testing for business continuity.
• Coordinate with vendors for SSOE deployments, hardware replacements, and RMA processes.
• Monitor and maintain WAN links using tools like SolarWinds, NetBrain, Riverbed, Algosec, and IBM ISM Service Desk.
• Support and troubleshoot VPNs, VLANs, and public cloud connectivity.
• Generate and maintain documentation for network changes, incident reports, and monthly performance metrics.
• Collaborate with cross-functional teams to resolve network-related issues and implement infrastructure upgrades.
• Ensure compliance with SLA and IT security policies.
• Any other ad-hoc duties as assigned by supervisors.

Technical Skills & Tools:

• Networking: Cisco (CCNP certified), Nexus, RIP, EIGRP, OSPF, BGP, HSRP, STP, VLAN, VPN
• Firewalls: Checkpoint, Juniper
• Servers: Windows Server 2008/2003, Active Directory, FTP, DNS, DHCP, Backup Server
• Monitoring & Ticketing Tools: SolarWinds, NetBrain, Riverbed, IBM ISM, Ichamp, JIRA, CA Spectrum
• Others: Lotus Notes, Blackberry configuration, SSL VPN, Symantec Endpoint Antivirus

Requirement:

• Bachelor's degree in relevant field (e.g., Computer Science, Information Technology, Engineering).
• Around 10+ years of experience
• Willingness to participate in 24x7 support rotations and on-site activities.

Interested applicants, please email your resume to Douglas Tan Yu Feng

Email: douglastan@recruitexpress.com.sg

CEI Reg No: R26160004

EA Licence No: 99C4599

Recruit Express Pte Ltd

Description

As a Network Engineer L2, you will be responsible for the following :-

• Monitor and manage network infrastructure and UPS systems to ensure optimal performance and availability.
• Perform real-time network monitoring and respond promptly to alerts and incidents.
• Troubleshoot and resolve Level 2 network issues within established SLA timelines.
• Escalate complex issues to relevant teams or vendors when required.
• Track, document, and maintain incident records through the ticketing system.
• Prepare incident reports and support post-incident reviews.
• Execute scheduled preventive maintenance activities on network and UPS infrastructure.
• Perform corrective maintenance to restore services and minimize downtime.
• Coordinate with vendors and internal stakeholders during maintenance activities.
• Maintain accurate maintenance records and prepare monthly preventive maintenance reports.
• Provide support for network configuration, implementation, and optimization activities.
• Execute approved network changes in accordance with change management procedures.
• Validate and document configuration changes to ensure compliance and operational stability.
• Assist in network upgrades, migrations, and deployment projects.
• Prepare and submit monthly SLA performance reports.
• Generate monthly network performance and availability reports.
• Produce monthly incident management reports and trend analysis.
• Maintain up-to-date network documentation, inventory records, and operational procedures.

The Network Engineer (L2) will support and maintain the following infrastructure:

• Routers
• Switches
• Firewalls
• IPS (Intrusion Prevention Systems)
• IDS (Intrusion Detection Systems)
• NAC (Network Access Control) Systems
• Load Balancers
• Wireless Infrastructure
• Media Converters
• UPS (Uninterruptible Power Supply) Systems
• Other related network devices and components

Requirements

• Minimum Diploma in IT and has fundamental knowledge in Network.
• 1 year of experience as a Network Engineer L2
• Candidates with a CCNA certification will have an added advantage.

• A strong team player with the ability to collaborate and willingness to support others.
• Have strong communications skills and ability to resolve issues or inquiries effectively.
• Able to work rotational shifts: 1st Shift (08:00 - 20:00 hours) & 2nd Shift (20:00 - 08:00 hours).
• Successful applicants for this position should be ready to work primarily at Woodlands Checkpoint. However, they may also be assigned to work at Tuas checkpoint in the future on a rotational basis.

Benefits

• Shift Allowance
• Performance Bonus

Fujitsu is seeking a dedicated and experienced Network Engineer to join our onsite network team. You will be an integral part of a team responsible for managing our customer Enterprise Networking Environment, which supports a large campus with diverse network equipment and services. You will work closely with the customer network team, vendors, and the Helpdesk team to ensure seamless network operations.

Responsibilities:

• Manage, administer, configure, and provide technical support for network equipment (switches, wireless APs, firewalls, DNS appliances, UPS) and services, including VLANs, ACLs, firewall rules, DNS, and IP address management.
• Install, maintain, and upgrade network hardware firmware/software; apply patches, hotfixes, and manage vulnerability remediation.
• Take ownership of network problems, troubleshoot and resolve issues related to hardware, software, and firmware, performing on-site support as needed.
• Conduct daily system checks, monitor network services availability, and contribute to network health checks by analyzing alerts, statistics, and performance data.
• Manage and document all network device configurations, changes, and ensure weekly automated backups.
• Record network service outages and follow up on outstanding technical issues with vendors to ensure resolution within Service Level Agreement (SLA).
• Liaise effectively with ISPs, other service providers, and internal teams on operational matters.
• Assist and work with vendors with cabling management, including patching, documentation, 1st level troubleshooting of connections, and ensuring correct configuration/labeling of new outlets.
• Provide support for wireless configuration and surveys.
• Maintain comprehensive network documentation (diagrams, topologies, issues) and assist in proactive monitoring and monthly reporting for network resources.
• Conduct annual asset verification, track equipment movements (deployment, RMA, relocation, decommissioning), and update inventory records.
• Participate in network implementation and migration projects as required.
• Assist in supporting operational requirements such as power maintenance shutdowns, periodic system audits, and service validation.
• Adhere strictly to policies, rules, regulations, and IT security policies in all operational aspects.
  

Requirements:

• Bachelor’s degree in Computer Science, Engineering, or a related field
• 3+ years’ experience as a Network Engineer supporting large campus network
• Strong analytical and problem-solving skills
• Self-motivated with a strong sense of ownership
• Possesses a valid CCNA certification
• Certification in PCNSA/PCNSP is a plus

Key Responsibilities

• Provide Level 2/3 support for network infrastructure across data centers, remote branches, and overseas locations.
• Install, configure, and troubleshoot Cisco routers, switches (Nexus, 2960, 3750), and firewalls (Checkpoint, Juniper).
• Manage and support routing protocols including RIP, EIGRP, OSPF, BGP, and HSRP.
• Perform network health checks, DR drills, and ISDN testing for business continuity.
• Coordinate with vendors for SSOE deployments, hardware replacements, and RMA processes.
• Monitor and maintain WAN links using tools like SolarWinds, NetBrain, Riverbed, Algosec, and IBM ISM Service Desk.
• Support and troubleshoot VPNs, VLANs, and public cloud connectivity.
• Generate and maintain documentation for network changes, incident reports, and monthly performance metrics.
• Collaborate with cross-functional teams to resolve network-related issues and implement infrastructure upgrades.
• Ensure compliance with SLA and IT security policies.

Technical Skills & Tools:

• Networking: Cisco (CCNP certified), Nexus, RIP, EIGRP, OSPF, BGP, HSRP, STP, VLAN, VPN
• Firewalls: Checkpoint, Juniper
• Servers: Windows Server 2008/2003, Active Directory, FTP, DNS, DHCP, Backup Server
• Monitoring & Ticketing Tools: SolarWinds, NetBrain, Riverbed, IBM ISM, Ichamp, JIRA, CA Spectrum
• Others: Lotus Notes, Blackberry configuration, SSL VPN, Symantec Endpoint Antivirus

Required Skills & Experience:

·      Bachelor Degree in relevant field (e.g.,Computer Science, Information Technology, Engineering).

·      10+ years of experience

·      Willingness to participate in 24x7 supportrotations and on-site activities.

·      Excellent communication and documentationabilities.

·      Strong analytical and troubleshooting skills.

EA License No.: 96C4864

Reg No.: R25128798 HUANG QIMENG

Duration: Yearly Renewable Contract (Convertible)

Working Location: AMK

Working Hours: Monday to Friday (830am – 6pm)

Salary range: Up to $6500 (Based on experience)

Job Responsibilities:

• Design, deploy, and maintain network infrastructure including LAN, WAN, WLAN, and data center networks

• Configure and manage network devices such as routers, switches, firewalls, and load balancers

• Monitor network performance, availability, and capacity; proactively identify and resolve issues

• Perform Level 2/Level 3 troubleshooting for network incidents and outages

• Implement network security measures including firewalls, VPNs, intrusion detection/prevention systems

• Support network architecture planning and scalability for future business needs

• Manage network upgrades, patches, and firmware updates

• Work with vendors and service providers to resolve issues and optimize services

• Maintain documentation including network diagrams, configurations, and SOPs

• Ensure compliance with security policies, standards, and regulatory requirements

• Support disaster recovery and business continuity planning for network systems

• Participate in on-call rotation and after-hours support when required

Job Requirements:

• Bachelor’s degree in Computer Science, Information Technology, Engineering, or a related field

• Minimum 3 years of experience in network engineering, infrastructure, or related roles

• Relevant industry certifications such as CCNA, CCNP, JNCIA/JNCIS, or equivalent are preferred

• Strong understanding of core networking concepts, including TCP/IP, DNS, DHCP, VLANs, and routing protocols such as OSPF and BGP

• Hands-on experience with enterprise network devices and technologies from vendors such as Cisco, Juniper Networks, Fortinet, and Aruba Networks

• Proven experience in configuring and managing firewalls, VPNs, and implementing network security best practices

• Familiarity with network monitoring and performance tools such as SolarWinds, PRTG Network Monitor, Nagios, and Zabbix

• Experience with wireless networking technologies (WLAN, Wi-Fi standards) and troubleshooting

• Exposure to cloud networking concepts on platforms such as Amazon Web Services, Microsoft Azure, or Google Cloud Platform

• Basic scripting or automation skills (e.g., Python, PowerShell) and familiarity with Infrastructure-as-Code (IaC) tools such as Terraform or Ansible will be an advantage

• Experience with modern networking technologies such as SD-WAN, network virtualization, and Zero Trust architecture is a plus

• Knowledge of data center networking, high availability design, and system resilience

If you are interested, please submit your application here. We appreciate your application and will notify you if you are shortlisted for the role.

By sending us your personal data and curriculum vitae (CV), you are deemed to consent to PERSOL Outsourcing Singapore Pte Ltd and its affiliates to collect, use and disclose your personal data for the purposes set out in the Privacy Policy available at https://www.persoloutsourcing.com/policies. You acknowledge that you have read, understood, and agree with the Privacy Policy.

EA License No: 90C3494 | EA Personnel No: R21103663 | EA Personnel Name: Azhar Anuwar

• 12 Months Contract (Renewable)
• up to $7,000 base
• 1 Month end of contract bonus

Responsibilities

• Provide technical support and consultation for enterprise networking solutions across customer environments
• Design and review network solutions based on customer requirements and business objectives
• Prepare technical proposals, solution documentation, and bill of quantities (BOQ) for project opportunities
• Present technical solutions and recommendations to customers, partners, and internal stakeholders
• Support solution implementation, troubleshooting, and post-deployment activities where required
• Work closely with regional and engineering teams to develop and deliver network solutions
• Conduct technical workshops, product demonstrations, and training sessions for customers and channel partners
• Stay updated on emerging networking technologies and support continuous improvement of solution offerings

Requirements

• Minimum 3 years of experience in enterprise networking, solution design, or network engineering environments
• Strong knowledge of routing, switching, wireless, firewall, SD-WAN, and enterprise networking technologies
• Experience preparing technical proposals, solution documentation, or customer-facing technical presentations
• Strong communication skills with the ability to engage customers, partners, and technical stakeholders

Tyson Jay Management Pte Ltd | EA License No.: 24C2479

Ivan Lim | EA Personnel No.: R1109856

YOUR NEW JOB

As a Level 2 IT Support Engineer, you'll support and maintain the company's infrastructure environment, including servers, networks, warehouse management systems, & data centre operations.
You'll be involved in both day-to-day support and infrastructure improvement projects.
This is a 12-month renewable contract role. Work will be onsite in Tuas, Mon Fri office hours.

WHAT YOU'LL BE DOING

• Administer and support warehouse management systems & server environments
• Maintain and troubleshoot network infrastructure including switches, routers, firewalls, WiFi controllers, & access points
• Install, configure, and upgrade servers, systems, & infrastructure components
• Monitor system performance, capacity, backups, & disaster recovery processes
• Support virtualisation platforms & high-availability environments
• Assist with cybersecurity hardening, IT compliance, & audit activities
• Support infrastructure refresh & improvement projects
• Provide technical support for operational & business users

WHAT IS NEEDED FROM YOU

• 1.5+ years of experience as a Level 2 IT Support Engineer, Infrastructure Engineer, or Network Engineer
• Must have hands-on experience with network equipment and switch configuration
• Experience supporting servers, infrastructure, & enterprise IT environments
• Familiarity with Windows Server, VMware, vCenter, Veeam, Linux, Red Hat, or similar technologies
• Understanding of LAN, WAN, routing, switching, & wireless networking
• Good troubleshooting & problem-solving skills
• Open to occasional overtime

WHAT WILL MAKE YOU STAND OUT

• Experience supporting warehouse, logistics, or manufacturing environments
• Exposure to high-availability systems & virtualisation platforms
• Experience with infrastructure projects & system upgrades
• Knowledge of IT security, compliance, & audit requirements

Duration: Yearly Renewable Contract (Convertible)

Working Location: AMK

Working Hours: Monday to Friday (830am – 6pm)

Salary range: Up to $6500 (Based on experience)

Job Responsibilities:

• Design, deploy, and maintain network infrastructure including LAN, WAN, WLAN, and data center networks

• Configure and manage network devices such as routers, switches, firewalls, and load balancers

• Monitor network performance, availability, and capacity; proactively identify and resolve issues

• Perform Level 2/Level 3 troubleshooting for network incidents and outages

• Implement network security measures including firewalls, VPNs, intrusion detection/prevention systems

• Support network architecture planning and scalability for future business needs

• Manage network upgrades, patches, and firmware updates

• Work with vendors and service providers to resolve issues and optimize services

• Maintain documentation including network diagrams, configurations, and SOPs

• Ensure compliance with security policies, standards, and regulatory requirements

• Support disaster recovery and business continuity planning for network systems

• Participate in on-call rotation and after-hours support when required

Job Requirements:

• Bachelor’s degree in Computer Science, Information Technology, Engineering, or a related field

• Minimum 3 years of experience in network engineering, infrastructure, or related roles

• Relevant industry certifications such as CCNA, CCNP, JNCIA/JNCIS, or equivalent are preferred

• Strong understanding of core networking concepts, including TCP/IP, DNS, DHCP, VLANs, and routing protocols such as OSPF and BGP

• Hands-on experience with enterprise network devices and technologies from vendors such as Cisco, Juniper Networks, Fortinet, and Aruba Networks

• Proven experience in configuring and managing firewalls, VPNs, and implementing network security best practices

• Familiarity with network monitoring and performance tools such as SolarWinds, PRTG Network Monitor, Nagios, and Zabbix

• Experience with wireless networking technologies (WLAN, Wi-Fi standards) and troubleshooting

• Exposure to cloud networking concepts on platforms such as Amazon Web Services, Microsoft Azure, or Google Cloud Platform

• Basic scripting or automation skills (e.g., Python, PowerShell) and familiarity with Infrastructure-as-Code (IaC) tools such as Terraform or Ansible will be an advantage

• Experience with modern networking technologies such as SD-WAN, network virtualization, and Zero Trust architecture is a plus

• Knowledge of data center networking, high availability design, and system resilience

If you are interested, please submit your application here. We appreciate your application and will notify you if you are shortlisted for the role.

By sending us your personal data and curriculum vitae (CV), you are deemed to consent to PERSOL Outsourcing Singapore Pte Ltd and its affiliates to collect, use and disclose your personal data for the purposes set out in the Privacy Policy available at https://www.persoloutsourcing.com/policies. You acknowledge that you have read, understood, and agree with the Privacy Policy.

EA License No: 90C3494 | EA Personnel No: R25157619 | EA Personnel Name: Kauthamen Appu

• Handle regular preventive maintenance on the SD-WAN Platform Operations. 
• Support the expansion, upgrades and rollouts of new network and systems infrastructure involving hardware such as routers, switches, firewalls, virtual appliances, VNFs, network monitoring and management systems.
• Support engineering teams on new product/ feature implementation, node deployment, and technical support matters. 
• Responsible for troubleshooting and timely resolution of faults/issues within the SD-WAN platforms services. 
• Analyze SD-WAN platforms performance and take proactive actions and preventive measures to monitor and enhance the network performance including software and hardware upgrades, etc. 
• Prepare statistical reports on network and equipment performance.
• Analyzing financial information (e.g. revenues, expenditures and cash management) to ensure all operations are within budget.
• Presenting annual budgets to management.
• Vendor negotiation and preparation of cost analysis and justifications.
• Perform SD-WAN platforms performance analysis.
• Proactively engage Engineering teams and recommend courses of actions to prevent incidents that may be caused by performance issues.
• Archive prepared reports for future reference of job performance.

Skills for Success:

• A bachelor’s degree Electrical / Electronic / Computer Engineering / Computer Science / Information Systems from a recognized institution. 
• 5 years minimum IP network experience with 3-5 years’ experience in SD-WAN systems
• Possess expertise with routers and switches installation e.g. Cisco, Juniper, Mellanox, Dell.
• Possess expertise with Cisco SD-WAN, VMware VeloCloud SD-WAN, HPE Aruba SilverPeak SD-WAN, Fortinet SD-WAN, FortiSASE etc.
• Good understanding of Internet routing protocols and technologies including TCP/IP, BGP, MPLS/VPN.
• Knowledge of routers/switches architecture and software upgrade    procedure.  Good analytical and trouble-shooting skills in technical fault isolation and rectification
• Knowledge of hypervisors such as eSXI, Adva, proxmox and KVM.
• Possess basic knowledge of office applications skills e.g. Excel, Visio, Word. 
• Possess good interpersonal and communication skills.   Must be a team player.
• Self-starter and highly driven with the ability to work independently, as well as in a team.  
• Excellent presentation skills and project/program management skills.
• Able to document and investigate existing infrastructure for the benefit of maintaining and operating the environment, discovering possible security breaches or vulnerabilities or finding opportunities for improvement for optimal network performance.
• Manage principal vendors, providers, internal and external stakeholders
• Write and implement policies, guidelines and SOPs for managing the infrastructure.

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

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