Total 5,903 Others network engineer job vacancies in Islandwide

Key Accountabilities

• 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.

Key Performance Indicators

Desired Experience, Knowledge & Attributes

• 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

We are seeking a highly skilled and motivated Network L2 Engineer to join our ICT Infrastructure team. As a Network L2 Engineer, you will be responsible for the day-to-day operation and maintenance of our network infrastructure, which includes Palo Alto and Check Point firewalls, Cisco switches, Alcatel, Aruba ClearPass Policy Manager (CPPM), and other related devices. You will play a critical role in ensuring the availability, performance, and security of our network services.

Key Responsibilities:

1. Network Maintenance and Support

• Perform routine maintenance tasks on LAN and WLAN network devices, including firmware updates, patches, and configurations.
• Troubleshoot and resolve network issues, ensuring minimal downtime.
• Monitor network performance and proactively address bottlenecks or anomalies.

2. Firewall Management

• Configure, manage, and maintain Palo Alto and Check Point firewalls to ensure network security.
• Implement and maintain firewall policies to control traffic and protect against threats.

3. Switch Management

• Configure and manage Cisco switches, ensuring optimal performance and network segmentation.
• Troubleshoot and resolve LAN/WAN connectivity issues.

4. Access Control and Authentication

• Administer Aruba ClearPass Policy Manager (CPPM) for user authentication and access control.
• Ensure compliance with security policies and standards.

5. Documentation

• Maintain accurate and up-to-date network documentation, including diagrams, configurations, and asset inventory.

6. Collaboration

• Collaborate with other teams, including system administrators and security experts, to achieve common network goals.

7. Security Compliance

• Ensure that network configurations and policies comply with industry best practices and security standards.

Qualifications & Requirements:

• Experience: 3-8+ years of experience in network engineering or infrastructure operations.

• Technical Proficiency:

  • Firewalls: Proven hands-on experience with Palo Alto and Check Point platforms.

  • Switching: Strong working knowledge of Cisco routing and switching.

  • Access Control: Proficiency in managing Aruba ClearPass (CPPM) or similar NAC solutions.

• Bachelor’s degree in Computer Science, Information Technology, or a related field (or equivalent practical experience).

• Preferred certifications include CCNP, PCNSA/PCNSE (Palo Alto), CCSA/CCSE (Check Point), or Aruba Certified Mobility Professional (ACMP).

• Strong analytical thinking, excellent documentation habits, and a collaborative mindset for working within a cross-functional IT team.

• Design, implement and manage enterprise LAN, WAN, data center and cloud network environments.
• Configure, maintain and troubleshoot routers, switches, firewalls, load balancers and network services.
• Provide expertise across routing, switching, connectivity and network architecture.
• Perform advanced troubleshooting and root cause analysis for complex network issues.
• Improve network availability, scalability, performance and resilience.

Skills/Requirement -

• Strong experience in enterprise network engineering.
• Strong hands-on experience with routing, switching and firewall technologies.
• Experience supporting large-scale production environments.
• Strong troubleshooting and incident management skills.

We are currently hiring for Network Engineer who can manage wired and wireless network access infrastructure; and support Data Centre network operations

1. Administer and support network infrastructure including network routers, switches, wireless access points, LAN controllers, AAA servers and encryptors
2. Respond and diagnose tickets related to network access and performance issues
a. Service and close support tickets to relocate or add client endpoints wired network access
b. Service and close support tickets to resolve client endpoints' wireless access
3. Troubleshoot, triage and resolve client endpoints' 802.1Xauthentication/authorization access issues and escalate, if necessary, L2 andL3 issues
4. Monitor availability of network access and provide immediate response and/or investigation to system alerts
5. Troubleshoot and assist with root cause analysis of incidents replacing failed network components
6. Support and perform routine automation tasks to ensure compliance for secure configuration, configuration backup management and routine firmware upgrades/updates
7. Manage operational activities and implement changes
8. Track network equipment support lifecycle, procure and support refresh activities to project closure and payment
9. Track equipment maintenance support agreements and telco circuits contracts, procure contract renewal and make payment
10. Support project teams in the delivery of wider IT services.

Please refer to U3’s Privacy Notice for Job Applicants/Seekers at https://u3infotech.com/privacy-notice-job-applicants/. When you apply, you voluntarily consent to the collection, use and disclosure of your personal data for recruitment/employment and related purposes.

Required Qualifications & Experience

Education & Certifications

· Diploma or bachelor’s degree in Information Technology, Computer Engineering, or a related field.

· Relevant certifications, such as:

o Cisco CCNA / CCNP

o Fortinet NSE 4 or equivalent

o AWS Solutions Architect – Associate

Technical Experience

· 4–5 years of hands-on experience in network implementation, operations, and support within

enterprise environments.

· Strong experience with enterprise networking technologies, including:

o Switching, routing, firewalls, and VPNs (Cisco, Fortinet, Palo Alto, AWS, Azure)

o IP networking fundamentals, routing protocols (BGP, OSPF), QoS, and Ethernet

· Experience using network monitoring and management tools (e.g. PRTG, SolarWinds).

· Good understanding of structured cabling, Wi-Fi technologies, NAC, and network security controls.

· Proven troubleshooting capability in complex, multi-site or hybrid cloud network environments.

Soft Skills & Attributes

· Strong analytical and problem-solving skills.

· Customer-oriented mindset with the ability to manage multiple tasks in a fast-paced environment.

· Clear communication and e0ective technical documentation skills.

· High attention to detail with strong organizational abilities.

· Ability to work independently and collaboratively within cross-functional and project teams.

Working Conditions

· May require after-o0ice-hours work during scheduled maintenance or critical network activities.

· Exposure to enterprise-scale, multi-site, and cloud-integrated network environments.

Key Responsibilities

1. Network Implementation & Operations

· Implement, configure, operate, and maintain network infrastructure (physical and virtual), including

LAN, WAN, Wi-Fi, cloud networking, and structured cabling.

· Participate in the network design phase by reviewing designs, validating assumptions, highlighting

operational risks, and ensuring designs are implementable and supportable.

· Configure, troubleshoot, and support network equipment such as switches, routers, firewalls, and

wireless access points.

· Perform technical site surveys, Wi-Fi passive site surveys, and site preparation activities as input to

design and implementation.

· Monitor network performance, capacity, and availability; proactively identify and resolve incidents

to ensure stable operations.

· Support scheduled maintenance, including after-hours maintenance windows when required.

· Attend remote sites for fault isolation, troubleshooting, and service provisioning activities

· Liaise with vendors & internal stakeholder on Network Cabling works (eg Laying of New LAN

cables during O0ice Renovation.)

2. Network Monitoring, Optimization & Resilience

· Operate and maintain network monitoring platforms such as PRTG and SolarWinds.

· Analyze performance metrics, bandwidth utilization, and fault data to support continuous

optimization and service improvement.

· Implement and support disaster recovery and backup solutions for network infrastructure in line

with approved architecture.

· Manage cabling assets and maintain accurate and up-to-date physical and logical network

diagrams.

3. Cloud Networking & Connectivity

· Implement and support cloud networking components and connectivity in AWS or other Cloud

Connectivity environments based on approved designs.

· Ensure secure and reliable connectivity between on-premises environments, cloud platforms, and

external service providers.

· Provide implementation and operational feedback to improve cloud network designs for

performance, scalability, and cost e0iciency.

4. Security, Risk & Compliance

· Implement and operate network security controls including firewall policies, VPNs, NAC, and Wi-Fi

security configurations.

· Ensure network implementations comply with internal standards, security policies, and industry

best practices.

· Support audits by providing evidence, addressing findings, and implementing corrective actions.

· Perform vulnerability assessment, remediation, and security hardening activities across

enterprise network and security infrastructure environments

5. Documentation & Change Management

· Develop, maintain, and update network documentation, including:

o As-built network documentation and diagrams

o Implementation and configuration guides

o Operational runbooks and support procedures

o Preventive maintenance documentation

· Ensure all network changes follow established change management and approval processes.

· Documenting network configurations and maintaining up-to-date records

· Maintaining IT Asset Inventory

6. Project & Stakeholder Collaboration

· Work closely with Project Managers and solution teams to deliver network components of projects

according to agreed scope, timelines, and quality standards.

· Participate in project design discussions to provide implementation, operational, and

maintainability input.

· Collaborate with cross-functional teams to resolve complex network issues and support service

delivery.

· Provide technical support and guidance to internal users and stakeholders on network-related

matters.

· Flexible to travel within Singapore and work in construction-site environments during the

implementation and initial setup of network infrastructure

7. Vendor & Service Provider Management

· Coordinate with vendors and service providers during implementation, troubleshooting, and

service delivery activities.

· Support vendor performance monitoring and resolution of network service issues.

· Assist in technical evaluation and validation of vendor solutions against approved designs and

standards.

8. Datacenter management

· Manage Data Centre physical security, access control, and operational activities.

· Provide 24x7 standby support and travel as required to support Data Centre operations,

maintenance, and project activities.

· Provide 1st Level investigation into hardware or connectivity issues.

· Manage and organize physical cabling within the data center, including fiber optics, network cables,

and power cables

Responsibilities

• To configure, implement and maintain all security platforms (E.g. Firewall, Intrusion Prevention, Web Application Firewalls, Web Proxies, DNSSEC)

• Perform assessment of Security Advisories and provide recommendations to the team

• Ensure that all security devices are configured in accordance network security best practices

• Perform periodic vulnerability testing and ensure the remediation of all findings

• Perform regular review of security logs to identify potential operational/security issues

• Perform regular patching of security devices to ensure that devices firmware are kept up to date

• Ensure that all incidents are resolved within the required SLA

• Ensure that all Service Requests are completed within the required SLA

• Ensure that Work Instructions are in place and kept up-to-date for the delivery of all operational tasks

• Continuously review and improve Operations Efficiency (E.g. improving operational efficiency through automation)

• Generates routine reports in the required format

• Secure users and servers internet access

• To support and implement new initiatives

Requirements

• Diploma/Degree in Engineering or IT / Bachelor Degree in Computer with 5 years' experience and knowledge in Enterprise IT 

• Holding professional certificate are preferable: CISSP, CISCO CCIE, PCNSE and ITILv4

• Extensive technical know-how of network security devices (E.g. Firewall, Intrusion Prevention, Web Application Firewalls, Web Proxies, DNSSEC)

• Hands-on experience in at least 2 of the security devices (E.g. Firewall, Intrusion Prevention, Web Application Firewalls, Web Proxies, DNSSEC)

• Strong knowledge with Web proxy and CCNP is a must, or either in network automation tools like experience in working with automation tools (E.g. ansible), monitoring & observability and logging systems (E.g. ELK)

• Strong technical skills in areas of systems engineering, systems administration, networking, and security

• Strong problem-solving skills and be able to troubleshoot and resolve complex issues quickly

Licence no: 12C6060

This role involves network implementation, administration, troubleshooting, and collaboration with various stakeholders to deliver secure and reliable connectivity services.

Responsibilities

• Manage and support LAN, WAN, SD-WAN, VPN, firewall, load balancer, and DNS environments.
• Implement network changes and configurations in accordance with change management processes.
• Troubleshoot network issues and optimise performance.
• Design and support network solutions based on business requirements.
• Conduct proof-of-concepts and support infrastructure upgrades/refresh initiatives.
• Maintain network documentation and operational procedures.
• Participate in a rotational 24/7 standby support roster.
• Mentor junior engineers and support technical knowledge sharing within the team

Requirements

• Diploma/Degree in IT, Computer Science, or related field.
• Minimum 4 years of Network Engineering experience in a medium to large enterprise environment.
• Strong knowledge of routing, switching, firewall, and network security technologies.
• Hands-on experience with technologies such as VLAN, STP, OSPF, BGP, VPN, NAT, ACL, DNS, DHCP, and load balancing.
• Familiarity with enterprise network and security platforms from leading vendors.
• Strong troubleshooting and stakeholder management skills.

Preferred

• CCNP or equivalent networking certification.
• Firewall certifications are advantageous (eg: CheckPoint or Palo Alto).
• Experience supporting large-scale or mission-critical environments is a plus.

Thank you for your interest but we regret that only shortlisted candidates will be contacted shortly.

Careerally Pte Ltd | EA Licence: 24C2215
Frieda Chan | EA Registration No: R2199193

Overview

A leading organisation in the payments and financial services sector is seeking a Senior Network Engineer to join its Singapore team. Supporting a complex and business-critical technology environment, this role will be responsible for designing, implementing and maintaining secure, resilient network infrastructure that underpins payment and transfer services across the organisation. This is an opportunity to take a hands-on technical leadership role, working across a multi-vendor network landscape while mentoring engineers and driving network modernisation initiatives.

Responsibilities

As the Senior Network Engineer, you will oversee the delivery and ongoing support of enterprise network infrastructure, ensuring high levels of performance, availability and security. You will design and implement network solutions across LAN, WAN and cloud-connected environments, working closely with internal stakeholders to understand business and technical requirements. The role includes managing network technologies such as SD-WAN, MPLS, VPN connectivity, firewalls, load balancers and DNS platforms, while ensuring all changes are delivered in line with established governance and change management processes. You will also lead proof-of-concept activities, support technology refresh initiatives, maintain operational documentation and provide technical guidance to junior engineers. Participation in a rotational standby support roster is required.

Requirements

You possess a Diploma or Degree in Computer Science, Information Technology or a related discipline, together with proven experience in network engineering within medium to large-scale enterprise environments. You have strong expertise across core networking technologies including routing, switching, network security and load balancing, with hands-on experience supporting multi-vendor infrastructure. Exposure to Cisco Nexus and Catalyst platforms, Cisco ACI, and leading firewall technologies such as Check Point, Palo Alto and Fortinet will be highly valued. Professional certifications such as CCNP and relevant firewall certifications are advantageous. The successful candidate will demonstrate strong troubleshooting capabilities, sound understanding of infrastructure operations and governance, and the ability to work effectively with both technical and business stakeholders. Experience delivering large-scale network initiatives within the payments or financial services industry is a plus.

To apply, please apply directly or submit your resume to Claudia at cd@kerryconsulting.com. We regret that only shortlisted candidates will be notified.

License No: 16S8060 / Registration No: R26161178

The Managed Services Cross Technology Engineer (L3/L4) – Network / Security is an advanced, architect-level role across multiple technology domains (Cloud, Security, Networking, Applications, Collaboration). The primary objective is to design, implement, and maintain an enterprise network defensive architecture to protect data and infrastructure from sophisticated threats. This role acts as the highest-tier escalation point (4th-line support) to resolve complex operational incidents, ensure contracted client outcomes, and meet Service Level Agreements (SLAs).

Key Responsibilities

1. Strategy & Architecture

• Security Roadmap: Define, architect, and champion the overall network security posture across on-premise, cloud, and hybrid environments (including Zero Trust and SASE models).

• Infrastructure Design: Deploy and manage core components like Next-Gen Firewalls (NGFW), IDS/IPS, WAF, Load Balancers, VPNs, and Network Access Control (NAC) systems.

• Cloud & Segmentation: Design secure cloud networking patterns (e.g., AWS VPCs, Azure VNets) and enforce micro-segmentation.

• Policy & Governance: Establish and enforce comprehensive network security policies, standards, and baselines.

2. Incident Management & Operations

• L4 Escalation Support: Act as the final technical tier for complex incidents that lower-level teams (L1–L3) cannot resolve, performing deep root-cause analysis.

• Ticket & SLA Ownership: Systematically troubleshoot, log, track, and update tickets with resolution details within agreed timelines.

• Proactive Monitoring: Diagnose and investigate potential system issues and errors before or when they occur to minimize client impact.

• Emergency & Change Management: Serve as an emergency contact for critical, business-impacting outages and oversee strict change management protocols.

3. Optimization, Projects & Mentorship

• Automation: Collaborate with automation teams to script and automate routine operational tasks for effort optimization.

• Knowledge Sharing & Mentorship: Create high-quality technical documentation (HLD/LLD) and coach/push knowledge down to junior engineering teams.

• Disaster Recovery: Develop, implement, and test network security components within Disaster Recovery (DR) and Business Continuity plans.

• Project Delivery: Manage, implement, and execute technical projects according to client timelines.

• Quality Audits: Perform process and service experience quality audits.

Key Competencies & Attributes

• Strong client-centric focus with a passion for exceeding expectations under pressurized environments.

• Excellent change management, active listening, and cross-cultural communication skills.

• Ability to plan effectively amid changing circumstances and work extended hours when necessary.

Technical Skills & Certifications

• Education: Bachelor’s degree in IT/Computing or equivalent work experience.

• Preferred Certifications: CCIE, CCNP Security, CISSP, PCNSE, or vendor-specific firewalls (Fortinet, Check Point, Cisco).

• Core Technology Stack Required:

  • Firewalls/Security: Cisco ISE, Fortinet (FortiGate, FortiManager), Check Point, CyberArk.
    (Firewalls: Expert-level management of Cisco OR FortiGate)

  • Application Delivery/Vulnerability: F5 (LTM, WAF), RSA, Tenable, Trend Micro.

  • Monitoring & Tooling: Solarwinds, Splunk Enterprise, OPSWAT.

  • Network Diagnostics & Automation: Advanced packet analysis (Wireshark/tcpdump) and basic automation scripting (Python/Ansible).

Key Responsibilities

• Provide operational support and deployment services for customers' cloud infrastructure and environments.
• Investigate, diagnose, and resolve issues across cloud-scale and backbone network infrastructures.
• Support and maintain Software-Defined Networking (SDN) services and cloud networking solutions, including Azure Front Door (AFD), Distributed Denial-of-Service (DDoS) protection, Domain Name System (DNS), ExpressRoute, and related services.
• Participate in standby and on-call rotations to provide after-hours operational support when required.

Requirements: 

• Diploma or Bachelor's Degree in Computer Science, Computer Engineering, or a related field.
• Minimum of 5 years of relevant experience in large-scale data centre environments for the Senior Engineer position.
• Minimum of 8 years of relevant experience in large-scale data centre environments for the Lead position.
• Strong communication and interpersonal skills, with the ability to collaborate effectively across technical teams and business functions.
• Demonstrated leadership capabilities and proven experience managing or leading technical teams will be advantageous for the Lead role.

Technical Skills:

Programming & Scripting

• Proficiency in Kusto, Java, Python, and Perl.
• Operating Systems: Strong hands-on experience with Linux-based operating systems.
• Cloud & Network Technologies: Experience with virtual networking technologies, including SDN, Virtual Networks (VNet), DNS, ExpressRoute, Traffic Manager, and Load Balancers.
• Data Formats: Familiarity with machine-readable data formats such as JSON and XML.
• Certifications: Relevant networking certifications such as CCNP or JNCIP is a plus.
• Network Automation & Security: Practical experience in network automation, infrastructure orchestration, and network security operations. 

To apply, please visit www.gmprecruit.com and search for Job Reference: RY75634R

We regret that only shortlisted candidates will be notified.

GMP Technologies (S) Pte Ltd | EA License: 11C3793 | EA Personnel: Bautista Gia Grace De Guzman | Registration No: R23111973

We are seeking a highly motivated SolarWinds/Network Monitoring Engineer to support the administration, optimization, and continuous improvement of enterprise monitoring, observability, patch management, and log management platforms. The successful candidate will be responsible for maintaining monitoring tools, supporting infrastructure operations, troubleshooting complex issues, and collaborating with cross-functional teams to ensure system availability, performance, and security.

Responsibilities:

Monitoring& Tool Administration

• Perform day-to-day administration and maintenance of enterprise monitoring and management platforms, including SolarWinds and BMC solutions.
• Monitor system performance, availability, connectivity, and data integrity across the monitoring environment.
• Conduct regular health checks and ensure optimal performance of monitoring infrastructure.
• Configure and maintain monitoring policies, thresholds, alerts, notifications, and automated actions.

Platform Maintenance & Upgrades

• Plan, coordinate, and execute periodic platform upgrades, patches, and enhancements.
• Perform post-maintenance validation and functionality testing following monthly server patching activities.
• Support monthly automated patch deployment activities across customer environments.
• Ensure monitoring platforms remain compliant with security and operational standards.

Incident& Problem Management

• Investigate, troubleshoot, and resolve complex technical issues affecting monitoring platforms.
• Collaborate with internal infrastructure, network, database, and security teams to identify root causes and implement corrective actions.
• Escalate issues to vendors where required and manage incidents through to successful resolution.
• Prepare Root Cause Analysis (RCA) reports for critical incidents and service disruptions.

Security& Compliance

• Work closely with Security teams to remediate vulnerabilities identified within monitoring and management tools.
• Support security audits, compliance reviews, and vulnerability management activities.
• Ensure monitoring systems comply with organizational security policies and operational requirements.

System Integration & Reporting

• Collaborate with Server, Network, Database, and Application teams to onboard and configure devices, applications, and services into monitoring platforms.
• Configure monitoring solutions for infrastructure, applications, and network devices.
• Design and develop custom dashboards, reports, and analytics based on operational and business requirements.
• Create customized log management reports to support security monitoring and compliance initiatives.

Automation& Continuous Improvement

• Identify opportunities to automate operational processes and improve monitoring efficiency.
• Enhance monitoring coverage, alert quality, and operational visibility across enterprise environments.
• Contribute to continuous improvement initiatives, knowledge management, and operational best practices.

Requirements:

• Minimum 3–5 years of experience in Infrastructure Monitoring, Network Operations, Systems Administration, or related technical support roles.
• Hands-on experience administering SolarWinds and/or BMC monitoring solutions in enterprise environments.
• Experience supporting mission-critical monitoring and management platforms.
• Experience in handling SolarWinds, BMC Monitoring Solutions or Log Management and Patch Management Platforms.
• Strong understanding of TCP/IP, DNS, DHCP, Routing, Switching, and Firewall concepts.
• Experience monitoring network devices and troubleshooting connectivity issues.
• Familiarity with SNMP, Syslog, WMI, NetFlow, and related monitoring protocols.

Preferred Qualifications:

• SolarWinds Certified Professional (SCP)
• ITIL V3/V4 Foundation Certification
• Experience supporting large-scale enterprise or government environments

JobSummary:

We areseeking an experienced Network Engineer to provide day-to-day operationalmanagement, administration, and support. The engineer will handle networktroubleshooting, configuration, documentation, and change management whileensuring network reliability and performance.

________________________________________

KeyResponsibilities:

• Manage, monitor, and troubleshoot network devices (routers, switches, firewalls, wireless controllers).
• Perform firmware/software upgrades, patching, and vulnerability fixes.
• Configure VLANs, firewall rules, DNS entries, proxy whitelisting, and other network parameters.
• Conduct network backups, recovery, and disaster recovery exercises.
• Liaise with ISPs and service providers for operational issues.
• Support IoT and smart devices (CCTV, Smart TV, TouchWall panels, lighting controls).
• Maintain up-to-date network documentation (diagrams, topologies, configurations).
• Manage network change requests with proper planning, testing, and minimal user disruption.
• Analyze network performance and recommend improvements.

________________________________________

RequiredQualifications & Experience:

• CCNA or CCNP certified (Active certification)
• experience with routing protocols: BGP, OSPF, EIGRP.
• Experience with Cisco Nexus switches, Cisco wireless APs and controllers.
• Strong troubleshooting skills for Layer 1–3 network issues.
• Experience with network management tools and packet sniffers (e.g., Wireshark).
• Knowledge of disaster recovery procedures.

---------------------------

Please refer to U3’s Privacy Notice for JobApplicants/Seekers at https://u3infotech.com/privacy-notice-job-applicants/. When youapply, you voluntarily consent to the collection, use and disclosure of yourpersonal data for recruitment/employment and related purposes.

Key Responsibilities

 Deliver support and deployment activities for the customer’s Cloud environment.

 Troubleshooting issues on cloud-scale or backbone networks.

 Deliver support for software defined networking services such as SDN, Azure Front Door (AFD), distributed denial of service (DDoS), domain name service (DNS) Express Route, etc.

 Standby on-call duties for out-of-hours support

Technical Skill Sets:

Programming languages: Kusto, Java, Python, Perl.

Operating System: Linux OS

Virtual Networking: SDN, VNET, DNS, ExpressRoute, Traffic Manager, Load

balancer

Machine Readable Formats: JSON and XML

Certifications: CCNP/JNCIP (Plus)

Network Automation & Security: Working Experience

Job summary:

We are seeking a Customer Support Engineer to join some of the industry's brightest minds in developing and deploying today's most advanced Internet technologies.In this role, you will gain insight on the detailed functionality of Cisco products and partner with all distributed elements of the service chain. The ideal candidate demonstrates an aptitude and appetite for learning new technologies, evidenced by the ability to expand upon core knowledge. This is a great opportunity for someone with patience and an empathetic view of the customer to hone their skills and advance their career providing value to customers while working with an industry leader in networking technology.

Responsibilities:

• Leads design workshops.
• Documents or reviews network requirements and High Level Design.
• Documents or reviews Low Level Design.
• Generates standard project documentation including detailed test plan for complex networks.
• Generate, build and execute technical and complex test plans and topology in CPOC environments
• Generates network configurations from Low Level Design for complex networks.
• Reviews Implementation Plans.
• Plans and executes complex Network Upgrade and Network Migration activity.
• Executes all phases of project delivery including network staging, implementation and handover.
• Carries out Knowledge transfer activities

Required:

• Bachelor’s degree in Computer Science or a related field from an accredited University.
• Understanding of Security and Data Center architectures, including virtualization, experience in planning, design & implementation of Data Center infrastructure and security technologies
• Hands on experience with Nexus Product Family & Cisco ACI, VXLAN, EVPN, SDWAN technologies, as well as with Catalyst series switches etc.
• Deep knowledge In Routing & in technologies such as STP, HSRP/VRRP, OSPF, IS-IS, BGP, MPLS, high availability, network/device security, QoS, IP SLA, network management.
• At least, 10 years Network engineering experience that includes deployment and migration
• CCNP equivalent certification or higher would be an advantage
• Strong Python/Java/JavaScript programming skills in Linux would be an advantage

The Managed Services Cross Technology Engineer (L3/L4) – Network / Security is an advanced, architect-level role across multiple technology domains (Cloud, Security, Networking, Applications, Collaboration). The primary objective is to design, implement, and maintain an enterprise network defensive architecture to protect data and infrastructure from sophisticated threats. This role acts as the highest-tier escalation point (4th-line support) to resolve complex operational incidents, ensure contracted client outcomes, and meet Service Level Agreements (SLAs).

Key Responsibilities

1. Strategy & Architecture

• Security Roadmap: Define, architect, and champion the overall network security posture across on-premise, cloud, and hybrid environments (including Zero Trust and SASE models).

• Infrastructure Design: Deploy and manage core components like Next-Gen Firewalls (NGFW), IDS/IPS, WAF, Load Balancers, VPNs, and Network Access Control (NAC) systems.

• Cloud & Segmentation: Design secure cloud networking patterns (e.g., AWS VPCs, Azure VNets) and enforce micro-segmentation.

• Policy & Governance: Establish and enforce comprehensive network security policies, standards, and baselines.

2. Incident Management & Operations

• L4 Escalation Support: Act as the final technical tier for complex incidents that lower-level teams (L1–L3) cannot resolve, performing deep root-cause analysis.

• Ticket & SLA Ownership: Systematically troubleshoot, log, track, and update tickets with resolution details within agreed timelines.

• Proactive Monitoring: Diagnose and investigate potential system issues and errors before or when they occur to minimize client impact.

• Emergency & Change Management: Serve as an emergency contact for critical, business-impacting outages and oversee strict change management protocols.

3. Optimization, Projects & Mentorship

• Automation: Collaborate with automation teams to script and automate routine operational tasks for effort optimization.

• Knowledge Sharing & Mentorship: Create high-quality technical documentation (HLD/LLD) and coach/push knowledge down to junior engineering teams.

• Disaster Recovery: Develop, implement, and test network security components within Disaster Recovery (DR) and Business Continuity plans.

• Project Delivery: Manage, implement, and execute technical projects according to client timelines.

• Quality Audits: Perform process and service experience quality audits.

Key Competencies & Attributes

• Strong client-centric focus with a passion for exceeding expectations under pressurized environments.

• Excellent change management, active listening, and cross-cultural communication skills.

• Ability to plan effectively amid changing circumstances and work extended hours when necessary.

Technical Skills & Certifications

• Education: Bachelor’s degree in IT/Computing or equivalent work experience.

• Preferred Certifications: CCIE, CCNP Security, CISSP, PCNSE, or vendor-specific firewalls (Fortinet, Check Point, Cisco).

• Core Technology Stack Required:

  • Firewalls/Security: Cisco ISE, Fortinet (FortiGate, FortiManager), Check Point, CyberArk.

  • Application Delivery/Vulnerability: F5 (LTM, WAF), RSA, Tenable, Trend Micro.

  • Monitoring & Tooling: Solarwinds, Splunk Enterprise, OPSWAT.

  • Network Diagnostics & Automation: Advanced packet analysis (Wireshark/tcpdump) and basic automation scripting (Python/Ansible).