Senior Network Infrastructure Engineer (Structured Cabling)

DSO National Laboratories; Singapore; On-site; SGD 70,000 - 95,000; Full time

Job summary

DSO National Laboratories is seeking a Senior Network Infrastructure Engineer to enhance the robustness of enterprise IT networks. You will manage structured cabling projects and ensure compliance with technical standards.

The ideal candidate has a relevant diploma/degree and over 5 years of experience in network infrastructure. Strong project management and vendor coordination skills are essential for success in this role, as well as a solid understanding of networking protocols and structured cabling standards.

Qualifications

• Minimum 5 years of experience in structured cabling systems and network infrastructure.
• Solid understanding of ANSI/TIA-568 structured cabling standards.
• Deep understanding of networking protocols such as TCP/IP, OSPF, BGP.

Responsibilities

• Ensure IT networks and systems are efficiently developed and deployed.
• Provide expertise for planning structured cabling projects.
• Lead project management activities for structured cabling.

Skills

Structured cabling architecture

Network infrastructure planning

Project management

Stakeholder communication

Education

Diploma or Degree in Computer Science, Electronics Engineering, Information Technology

Tools

Network hardware (switches, routers, firewalls)

Job description

Job Description

DSO National Laboratories (DSO) is Singapore’s largest defence research and development (R&D) organisation, with the critical mission to develop technological solutions to sharpen the cutting edge of Singapore's national security. At DSO, you will develop more than just a career. This is where you will make a real impact and shape the future of defence across the spectrum of air, land, sea, space and cyberspace.

Digital Division Overview

The Digital Division leads the digital transformation of DSO through planning and policies, delivering digital capabilities through IT infrastructure, and providing a one‑stop service to corporate and R&D divisions. The Digital Division will transform the way we work, our workplace, and the capabilities we deliver to MINDEF/SAF and for the security of Singapore.

Senior Network Infrastructure Engineer (Structured Cabling)

In This Role, You Will

• Be part of the Network Infrastructure team to ensure that DSO enterprise IT networks and systems are developed and deployed in an efficient and robust manner towards a high level of maintainability, reliability and availability.
• Provide technical expertise for planning and executing structured cabling projects, including network rack design for office expansions, new builds, and renovations.
• Define infrastructure requirements for network facilities such as Main Distribution Frames (MDF), Intermediate Distribution Frames (IDF), cable trays, pathways, rack spaces, and power/cooling needs.
• Lead project management activities, ensuring timely and cost-effective delivery of structured cabling, aligned with business operations such as office move‑ins or expansion schedules.
• Manage and coordinate third‑party vendors and contractors for the installation, upgrade, and maintenance of network infrastructure.
• Develop and enforce internal standards and best practices for structured cabling, ensuring cable labeling, asset tracking, and documentation accuracy.
• Maintain up‑to‑date technical documentation including cable schedules, rack layouts, patch panel mapping, fiber topology diagrams, and as‑built drawings.
• Optimize network and system performance while ensuring compliance with IT security policies and requirements.
• Troubleshoot enterprise IT network issues, perform root‑cause analysis, and collaborate with cross‑functional teams to resolve complex technical challenges.
• Promote productivity through automation and scripting for routine infrastructure and operational tasks.

Job Requirements

• Diploma or Degree in Computer Science, Electronics Engineering, Information Technology, or a related discipline.
• Structured cabling architecture, network infrastructure planning, vendor and contractor coordination, IDF/Network room design, infrastructure documentation and standards, stakeholder communications.
• Minimum 5 years of hands‑on experience in the design, implementation, and management of complex structured cabling systems and network infrastructure, preferably within large organizations in Singapore.
• Solid understanding and practical experience with ANSI/TIA‑568 structured cabling standards, and proficiency in both copper and fibre optic cabling systems.
• Experience in the planning, layout, and build‑out of MDF and IDF rooms; ability to interpret and review construction and technical drawings.
• Strong background in network architecture and design, including LAN, WAN, wireless, and VPN solutions.
• Proven expertise in installing and supporting network hardware such as switches, routers, firewalls, wireless access points, controllers, and related network devices.
• Deep understanding of networking protocols such as TCP/IP, OSPF, BGP, and network security technologies (IPS, VPNs, firewalls, access controls).
• Knowledge of datacenter standards, such as TIA‑942, is highly desirable.
• Demonstrated experience with IT security practices, including system hardening and vulnerability management.
• Strong project management, vendor management, and contract oversight skills.
• Excellent documentation, communication (verbal and written), and stakeholder engagement skills.
• Strong analytical, problem‑solving, and decision‑making abilities; capable of working both independently and as part of a team.
• Professional certifications such as CCNA, CCNP, CNCDP, or similar will be an advantage.