Senior ICT Infrastructure Engineer (Enterprise & Security)

htx (home team science & technology agency); Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

HTX, Singapore's Science and Technology agency, seeks an experienced IT infrastructure professional to sustain and strengthen enterprise ICT infrastructure across Home Team Departments. You will manage Active Directory, DNS, storage, email, patching, and endpoint controls, while guiding crisis-ready operations and security policy compliance.

You will lead automation initiatives, coordinate with multi-vendor teams, and drive technology refreshes to ensure high-availability services for national

Qualifications

• Bachelor's degree in electronics, electrical engineering, computer studies, ICT technology or telecommunications.
• Minimum 5 years in IT/infrastructure, with at least 1 year in a leadership role or guiding a small team.
• Strong knowledge of enterprise infrastructure, including servers, networks, AD and cloud infra.
• Good understanding of cybersecurity, IT governance, compliance and audit remediation.

Responsibilities

• Serve as a subject matter expert to Home Team Departments on enterprise infrastructure services and sustainment.
• Lead automation initiatives to improve service delivery and operational efficiency.
• Collaborate with project teams early to consider maintenance and operational readiness in requirements.
• Implement infrastructure enhancements, technology refreshes and system upgrades across MHA and HTX.
• Manage projects, vendors, budgets, specifications and delivery progress for SLA/compliance.
• Maintain ICT security measures and remediate cybersecurity audit findings.

Skills

Leadership

Stakeholder management

Problem solving

Independent work

Education

Bachelor's degree in Electronics/ Electrical Engineering/ Computer Studies/ ICT Technology/ Telecommunications

Tools

Active Directory

Windows Server

Domain Controllers

Cloud infrastructure

Job description

HTX, Singapore's Science and Technology agency, seeks an experienced IT infrastructure professional to sustain and strengthen enterprise ICT infrastructure across Home Team Departments. You will manage Active Directory, DNS, storage, email, patching, and endpoint controls, while guiding crisis-ready operations and security policy compliance.

You will lead automation initiatives, coordinate with multi-vendor teams, and drive technology refreshes to ensure high-availability services for national