Ensign InfoSecurity

End-to-end cybersecurity advisory and defense

Network Lead

Network Engineering & AdministrationConfirmed live in the last 24 hours

Full-timeSingaporeNo salary listedIn-person

About the Job

Requirements

A degree in Computer Science, Computer or Electronics Engineering, Information Technology, or a related discipline is required.
Cisco Certified Network Professional (CCNP) certification is required.
At least 5 years of relevant experience operating in a medium to large enterprise environment.
Strong fundamental knowledge of networking and security.
Experience designing and implementing high-availability multi-layer enterprise networks.
Experience with software-defined wide area network (SD-WAN) solutions and quality of service (QoS) design across wide area network and branch networks.
Experience with cloud-managed wireless local area network (WLAN) solutions.
Experience with zero-trust network access (ZTNA), security service edge (SSE), or secure access service edge (SASE) solutions for secure remote, branch, and cloud access.
Experience with next-generation firewalls, intrusion prevention system (IPS) platforms, and network monitoring and management solutions.
Good understanding of application programming interfaces (APIs), with hands-on experience using artificial intelligence and low-code tools such as Copilot, Claude, and Cursor, and Model Context Protocol (MCP), to build network automation and integrations.
Experience in capital expenditure (CAPEX) planning and budgeting, and network product lifecycle management.
Strong project and vendor management skills.
Strong written and verbal communication skills, with the ability to influence and communicate effectively with non-technical audiences and senior management.

Responsibilities

Design, drive, and implement improvements to the network, with a focus on security and on expanding network monitoring, fault detection, and recovery capabilities.
Identify gaps in network coverage and capability and develop solutions that provide more specific, granular, and real-time network visibility.
Architect, engineer, and operate the backbone, data centre, and access networks as Infrastructure Network Services Lead.
Design and configure security-centric network and infrastructure solutions for the organisation.
Ensure technical solutions and designs align with security policies and guidelines.
Develop technical solutions and designs, and translate them into technical specifications and functional requirements.
Work hands-on across various technologies, focusing on network and security.
Take overall responsibility for project delivery.
Manage the lifecycle of network products, from evaluation and procurement through upgrades, technology refresh, and end-of-life.
Explore new networking technologies and topologies through proof-of-concepts.
Create and update documentation for reference and deployment by regional offices.

Desired Qualifications

Cisco Certified Internetwork Expert (CCIE) certification.
Experience with software-defined networking (SDN) or data centre networking.
Experience with security policy orchestration and network automation tools.
Knowledge of hyper-converged infrastructure.

Ensign is hiring !

The Network Lead's primary responsibility will be to design, drive and implement improvements to Ensign's network, with a strong focus on security and on deepening capabilities for network monitoring, fault detection and recovery. This is an individual contributor role requiring strong hands-on expertise, suited to a game changer who can identify gaps in coverage and capability and develop solutions that deliver more specific, granular and real-time network visibility. The position will also take on the role of Infrastructure Network Services Lead, responsible for architecting, engineering and operating Ensign's backbone, data centre and access networks.

Responsibilities:

Design and configure security-centric network and infrastructure solutions for the organisation.
Ensure technical solutions and designs align with security policies and guidelines.
Develop technical solutions and designs, and translate them into technical specifications and functional requirements.
Work hands-on across various technologies, with a focus on network and security.
Take overall responsibility for project delivery.
Manage the lifecycle of network products, from evaluation and procurement through to upgrades, technology refresh and end-of-life.
Explore new networking technologies and topologies through proof-of-concepts.
Create and update documentation for reference and deployment by regional offices.

Requirements:

Degree in Computer Science, Computer or Electronics Engineering, Information Technology or a related discipline.
CCNP (Cisco) certification is required; CCIE will be an added advantage.
Minimum 5 years of relevant experience operating in a medium to large enterprise environment.
Strong fundamental knowledge of networking and security.
Experience in designing and implementing high-availability multi-layer enterprise networks.
Experience with SD-WAN solutions and QoS design across WAN and branch networks.
Experience with cloud-managed WLAN solutions.
Experience with ZTNA/SSE/SASE solutions for secure remote, branch and cloud access.
Experience with next-generation firewalls, IPS platforms, and network monitoring and management solutions.
Good understanding of APIs, with hands-on experience using AI and low-code tools (e.g. Copilot, Claude, Cursor) and MCP (Model Context Protocol) to build network automation and integrations.
Experience in CAPEX planning and budgeting, and in network product lifecycle management.
Excellent project and vendor management skills.
Excellent written and verbal communication skills, with a demonstrated ability to influence and communicate effectively with non-technical audiences and senior management.
Experience with SDN/data centre networking will be an added advantage.
Experience with security policy orchestration and network automation tools will be an added advantage.
Knowledge of hyper-converged infrastructure will be an added advantage.

About the Company

Ensign InfoSecurity

End-to-end cybersecurity advisory and defense

Ensign InfoSecurity delivers end-to-end cybersecurity services in Asia, including advisory and assurance, architecture design and systems integration, and managed security services such as advanced threat detection, threat hunting, and incident response, backed by in-house R&D. Its offerings cover the full security lifecycle from risk assessment to secure infrastructure and continuous monitoring and response. The company differentiates itself as a pure-play security provider with a region-focused approach, two decades of hands-on experience, and active in-house research and development. Its goal is to protect Asia-Pacific organizations by providing comprehensive, trusted security services that prevent, detect, and respond to cyber threats.

Company size: 501-1,000
Company stage: Acquired
Total funding: Not listed
Headquarters: Singapore, Singapore
Founded: 2000

Recently Posted Jobs

Explore more opportunities at Ensign InfoSecurity

See more jobs