Senior ICT Infrastructure & Security Engineer

HTX (Home Team Science & Technology Agency); Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

HTX (Home Team Science & Technology Agency) is seeking a skilled ICT Infrastructure Governance and Security Specialist to manage end-to-end enterprise IT services across multiple Home Team Departments. You will drive risk-based controls, oversee 24/7 security operations, and coordinate device deployments with vendors.

The role requires hands-on expertise in network, AD/Azure AD, MDM, security by design, and ITIL-aligned incident handling, with strong communication and independent work

Qualifications

• Degree in Electronics/Electrical Engineering, Computer Studies, ICT Technology or Cyber Security.
• At least 1 year experience in cyber security programs such as audits support, risk assessments, audit findings remediation and cyber security compliance management.
• Recent certifications (within 2 years) like CCIE/CCNP/CCNA, MCSE/MCSA, Azure Architect/Administrator or OEM certifications are a plus.
• Strong understanding of desktop clients/servers, cloud infrastructure, enterprise networking concepts (VLANs, NAC, Load Balancing, Firewalls, IPS).
• Proficiency with ITSM tools (ServiceNow) and network operations tools (SolarWinds, Tenable, Splunk).

Responsibilities

• Governance, risk, audit and process management of enterprise ICT infrastructure services across HTDs.
• Define business processes and controls; lead IT operation automation for compliance.
• Lead ICT security initiatives and infrastructure enhancements to comply with government policies.
• Hands-on network management, troubleshooting, LAN/WAN design, NAC management and firewall configuration.
• Endpoint infrastructure management: OS life-cycle, patching and device policy.
• Manage incidents and vendors to meet service levels and take corrective actions.
• Procurements, tender specs, evaluation and tender awards; manage contracts.
• Oversee 24/7 security operations with fast response times.
• Lead end-to-end device deployment across agencies; coordinate site readiness and user communications.
• Oversee OS standardization via MDM (Intune, SCCM) and enforce security baselines.
• Maintain 100% inventory accuracy with OEMs.

Skills

Cyber security

Audit support

Risk assessment

Project management

Vendor management

Contract management

Communication

ITIL

Network concepts

Education

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

Tools

ServiceNow

SolarWinds

Tenable

Splunk

Azure

Intune

SCCM

Windows Server

Active Directory

Job description

HTX (Home Team Science & Technology Agency) is seeking a skilled ICT Infrastructure Governance and Security Specialist to manage end-to-end enterprise IT services across multiple Home Team Departments. You will drive risk-based controls, oversee 24/7 security operations, and coordinate device deployments with vendors.

The role requires hands-on expertise in network, AD/Azure AD, MDM, security by design, and ITIL-aligned incident handling, with strong communication and independent work