Network Engineer

Xtremax Pte Ltd; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

Xtremax Pte Ltd is seeking an experienced Network Engineer to join our project delivery team, building mission-critical digital platforms for public sector and enterprise clients. You will design, implement and support large-scale on-premises networks, data centers, WANs, and hybrid architectures integrating on-prem with GCC/GCC+ environments.

Ideal candidates have 8–10 years in enterprise networking, at least 5 years in network architecture or consultancy, and hold a CCNA certification.

Qualifications

• 8–10 years of enterprise network engineering experience.
• 5+ years in network architecture or consultancy.
• Experience with large-scale on-premises enterprise network infrastructure.

Skills

Enterprise network engineering

Network architecture

Technical consultancy

Hybrid cloud networking

Data center networking

Education

CCNA certification

Tools

Azure Firewall

Azure Application Gateway

Azure WAF

Azure NSG

Azure Front Door

Azure Virtual WAN

Job description

About the role

At Xtremax, we build mission-critical digital platforms and software solutions for public sector and enterprise clients. We are looking for an experienced and hands-on Network Engineer to join our project delivery team.

Preferred Experience

Minimum 8–10 years of experience in enterprise network engineering, with at least 5 years in network architecture, solution design, or technical consultancy.

Proven experience designing, implementing, and supporting large-scale on-premises enterprise network infrastructure, including campus networks, data centers, WAN, Internet edge, and wireless environments.

Experience designing and supporting hybrid network architectures integrating on-premises infrastructure with Government Commercial Cloud (GCC) and/or Government Commercial Cloud Plus (GCC+) environments.

Strong understanding of data center networking, including core, distribution, and access layer design, network segmentation, redundancy, and high availability.

Experience with hybrid connectivity technologies such as ExpressRoute, Site-to-Site VPN, MPLS, SD-WAN, and Direct Connect (or equivalent).

Experience working within Singapore Government agencies or Statutory Boards is highly desirable.

Familiarity with Singapore Government ICT policies, cybersecurity requirements, and cloud governance frameworks is an advantage.

Experience leading network design reviews, architecture governance, technical assurance, and project consultancy across multiple concurrent initiatives.

Mandatory Certification

Must possess a valid Cisco Certified Network Associate (CCNA) certification.

Technical Expertise

Candidates should have hands-on experience in designing, implementing, and supporting:

On-Premises Infrastructure

Enterprise campus wired and wireless networks, including LAN/WAN, switches, wireless controllers, access points, RF fundamentals, secure access, and client connectivity

Data centre networks, including core, distribution, and access switching

Physical network patching, cable tracing, labelling, port verification, and troubleshooting of copper and fibre cabling, patch panels, switch ports, accesspoints, and end-user connectivity

• Internet Edge and DMZ Architecture
• Network Segmentation and Micro-segmentation
• High Availability and Disaster Recovery Network Design
• Load Balancers and Reverse Proxies
• IP Address Management (IPAM)
• Network Monitoring and Performance Management

Incident tracking and lifecycle management, including ticket ownership, prioritisation,escalation, root-cause coordination, resolution monitoring, trend analysis, and timely management reporting on status, impact, risks, and corrective actions

Hybrid Cloud Networking

Government Commercial Cloud (GCC) and Government Commercial Cloud Plus (GCC+) networking

• Azure Firewall
• Azure Application Gateway
• Azure WAF and WAF policy
• Azure NSG
• Azure Front Door
• Azure Virtual WAN
• DNS and Hybrid Name Resolution

Enterprise Routing & Switching

• OSPF
• BGP
• VRRP/HSRP
• VLAN
• VXLAN
• QoS
• MPLS
• IPv4/IPv6
• NAT

Data Protection Notice:

By submitting your application and resume, you consent to Xtremax Pte. Ltd. collecting, using, and disclosing your personal data for recruitment and employment evaluation purposes in accordance with the Personal Data Protection Act (PDPA).