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Home Team Science and Technology Agency (HTX)

Home Team Science and Technology Agency (HTX)

Lead Engineer/ Engineer, Joint Application Infrastructure Services

Permanent/Contract
Closing on 04 Feb 2026

What the role is

The jobholder is responsible for a hands-on technical lead to manage the mission-critical infrastructure that powers MHA/HTX operations. In this role, you will not just oversee systems; you will be the technical authority ensuring the availability, security, and performance of enterprise-wide server and network ecosystems. If you thrive in complex environments involving Network, Active Directory, Shared Storage, and Hybrid Cloud networks, and prefer getting your hands dirty with technical problem-solving over pure administrative oversight. Details are as follows.

What you will be working on

The principal accountabilities of the job holder are to: 1. Hands-On Infrastructure Management: Directly manage and maintain enterprise services including Network equipment, Active Directory, File/Application Servers, Hypervisors, and Storage systems. Ensure optimal performance of network connectivity and server availability. 2. System Life-Cycle Engineering: Drive the end-to-end lifecycle of ICT systems—from technical evaluation and procurement to deployment, patching, sustainment, and eventual refresh/migration. 3. Technical Problem Solving: Serve as the Tier-3 escalation point for complex server and network incidents. Troubleshoot high-priority issues to minimize downtime for user operations. 4. Vendor & Warranty Management: Technical ownership of vendor deliverables. validate that systems in warranty/maintenance phases meet rigorous performance specifications before handover. 5. Security & Compliance: Implement and enforce security best practices (system hardening, GPO management). Lead technical remediations for IT audits and compliance checks.

What we are looking for

Candidates should possess: 1. Tertiary qualification in Electrical Engineering, Computer Science, IT, or related technical disciplines. 2. Minimum 5 years of hands-on working experience in system/ network administration, infrastructure architecture, or cloud operations. 3. Proven track record in maintaining 24/7 operational systems with strict SLAs and rapid response times. 4. Proactive self-starter capable of driving technical projects with minimal supervision. 5. Deep Knowledge of Active Directory, Group Policy Objects (GPO), Domain Controllers, File/App Servers, and Patch Management. 6. Hands-on experience with Hypervisors (VMware/Hyper-V/ Nutanix) and designing/operating large-scale private/public cloud infrastructure. 7. Management of Shared Storages (SAN/NAS), Backup Appliances, and understanding of enterprise networking concepts (VLANs, Load Balancing, Routing, Firewalls) required for systems interconnectivity. 8. Experience conducting and remediating IT/Compliance Audits. Strong grasp of cybersecurity frameworks and system hardening. 9. Proficiency with ITSM tools (e.g. ServiceNOW) and Systems Engineering lifecycle management. All new hires are appointed on a two-year contract in the first instance and will be assessed and considered for permanent tenure over time, based on performance. As part of the shortlisting process for this role, you may be required to complete a medical declaration and/or undergo further assessment. All applicants will be updated on the status of their applications within 4 weeks upon closing of the advertisement. #LI-FL1

About your application process

This job is closing on 04 Feb 2026.

If you do not hear from us within 4 weeks of the job ad closing date, we seek your understanding that it is likely that we are not moving forward with your application for this role. We thank you for your interest and would like to assure you that this does not affect your other job applications with the Public Service. We encourage you to explore and apply for other roles within Home Team Science and Technology Agency (HTX) or the wider Public Service.


About Home Team Science and Technology Agency (HTX)

HTX is the world’s first Science and Technology agency that integrates a diverse range of scientific and engineering capabilities to innovate and deliver transformative and operationally-ready solutions for homeland security. As a statutory board of the Ministry of Home Affairs and integral to the Home Team, HTX works at the forefront of science and technology to empower Singapore’s frontline of security. Our shared mission is to amplify, augment and accelerate the Home Team’s advantage and secure Singapore as the safest place on planet earth.

Learn more about Home Team Science and Technology Agency (HTX)