Senior IT / Network Engineer – Enterprise Infrastructure

Our client, a Singapore-based organisation, is seeking an experienced Senior IT / Network Engineer to oversee and secure its enterprise IT infrastructure. This full-time permanent role offers the opportunity to lead network design, systems deployment and infrastructure upgrades with a focus on reliability. You will work across network, systems and facilities teams on critical projects.

Responsibilities

• Design, deploy and maintain high-availability network infrastructure, including core switches, firewalls, routers, SD-WAN and SASE solutions
• Lead NAC deployments to enforce role-based access policies across wired, wireless and VPN networks
• Administer, audit and troubleshoot firewalls, IPS/IDS, EDR and DLP agents
• Manage Active Directory, Group Policy, Microsoft 365 and OU restructuring to maintain strict access control
• Maintain enterprise backup systems, disaster recovery readiness and VDI environments
• Lead IT and structured cabling requirements for office renovations and expansion fit-outs
• Direct vendors, ISPs and hardware suppliers through quotation reviews, SLA evaluations and budget tracking
• Author technical documentation, network topology diagrams and SOPs, and conduct vulnerability assessments

Requirements

• Minimum 5 to 8+ years of hands-on experience in enterprise network administration, systems engineering and IT infrastructure management
• Bachelor's Degree or Diploma in Computer Science, Information Technology, Network Engineering or a related discipline
• Hands-on experience with HPE Aruba ClearPass, Cisco, Aruba or Huawei switches, Fortinet firewalls, SASE, SD-WAN, IPsec VPN and 802.1X
• Experience with Windows Server, Active Directory/Entra ID, GPO/OU management, VMware/Hyper-V and VDI
• Knowledge of BitLocker, DLP, KnowBe4, PDPA and endpoint security compliance
• Strong vendor management, stakeholder communication and technical leadership skills
• Certifications such as CCNP/CCNA, HPE Aruba, CISSP/CISM, Fortinet NSE 4+ or MCSE are preferred

We regret that only shortlisted candidates will be notified.

GMP Technologies (S) Pte Ltd | EA License: 09C3051 | EA Personnel: Arcus Ang | Registration No: R1985843

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