Lead Engineer / Engineer, Joint Application Infrastructure Services

About the role

HTX is Singapore's Science and Technology agency, a statutory board under the Ministry of Home Affairs, that develops science and engineering solutions for public safety. The ICT Infrastructure Sustainment Centre delivers reliable ICT infrastructure for the Ministry of Home Affairs. This role is a hands-on technical lead managing mission-critical server and network infrastructure, ensuring its availability, security and performance.

Key responsibilities

• Manage and maintain enterprise services: network equipment, Active Directory, file/application servers, hypervisors and storage systems, keeping network connectivity and server availability optimal.
• Drive the full lifecycle of ICT systems, from evaluation and procurement through deployment, patching, sustainment to refresh or migration.
• Act as the Tier-3 escalation point for complex server and network incidents, troubleshooting high-priority issues to minimise downtime.
• Own vendor deliverables and verify that systems in warranty or maintenance meet performance specifications before handover.
• Implement security best practices such as system hardening and Group Policy Object management, and lead technical remediation for IT audit and compliance checks.

Required profile

• Tertiary qualification in Electrical Engineering, Computer Science, IT or a related discipline.
• At least 5 years of hands-on experience in system/network administration, infrastructure architecture or cloud operations.
• Proven track record maintaining 24/7 systems with strict SLAs and rapid response times.
• Proactive self-starter able to drive technical projects with minimal supervision.

Required skills

• Active Directory, Group Policy Objects, domain controllers, file/app servers, patch management and ITSM tools such as ServiceNOW.
• Hypervisors (VMware, Hyper-V, Nutanix) and large-scale private/public cloud infrastructure.
• Shared storage (SAN/NAS), backup appliances and enterprise networking (VLANs, load balancing, routing, firewalls).
• Experience conducting and remediating IT/compliance audits, and strong grasp of cybersecurity frameworks and system hardening.

New hires are appointed on a two-year contract initially, with consideration for permanent tenure based on performance. Applicants may need to complete a medical declaration or further assessment during shortlisting, and are updated on application status within 4 weeks after the advert closes.