Senior Enterprise Network Engineer - High-Availability Infra

GMP RECRUITMENT SERVICES (S) PTE LTD; Singapore; On-site; SGD 110,000 - 170,000; Full time

Job summary

GMP Technologies (S) Pte Ltd in Singapore seeks an experienced Senior IT / Network Engineer to oversee and secure its enterprise IT infrastructure. The role focuses on reliability through network design, system deployment and upgrades.

You will work across network, systems and facilities teams on critical projects, leading NAC deployments, firewall administration, and AD/Entra ID management while coordinating with vendors and IT ops.

Qualifications

• Bachelor’s or Diploma in CS/IT/Network Engineering.
• 5–8+ years of hands-on enterprise network administration.
• Experience with Cisco/Aruba/Huawei switches and Fortinet firewalls.

Responsibilities

• Design, deploy, and maintain high-availability network infrastructure.
• Lead NAC deployments for RBAC across wired, wireless, VPN.
• Administer, audit, and troubleshoot firewalls, IPS/IDS, EDR, DLP.
• Manage Active Directory, GPO/OU, and Entra ID.
• Maintain backup, DR readiness, and VDI environments.
• Direct vendors, ISPs, and hardware suppliers with SLAs and budgets.
• Create technical docs, topology diagrams, and SOPs; conduct vulnerability assessments.

Skills

Network admin

Systems engineering

Vendor management

Technical leadership

Stakeholder comms

Security awareness

Education

Bachelor’s/Diploma in CS/IT/Network Eng

Tools

Cisco devices

Aruba/HPE switches

Fortinet firewalls

SD-WAN

SASE

IPsec VPN

802.1X

Windows Server

Active Directory/Entra ID

VMware/Hyper-V

VDI

Job description

GMP Technologies (S) Pte Ltd in Singapore seeks an experienced Senior IT / Network Engineer to oversee and secure its enterprise IT infrastructure. The role focuses on reliability through network design, system deployment and upgrades.

You will work across network, systems and facilities teams on critical projects, leading NAC deployments, firewall administration, and AD/Entra ID management while coordinating with vendors and IT ops.