OT Security Officer: Defend Critical Infrastructure

BASE CAMP DIGITAL PTE. LTD.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

BASE CAMP DIGITAL PTE. LTD. is seeking an IT Security Officer for OT environments in a critical infrastructure setting. You will lead threat hunting, gap closure, and build a cybersecurity backbone across operations.

You will own OT security visibility, run SIEM operations, manage risk and compliance, and drive vulnerability management with cross-functional teams to protect assets and ensure resilience.

Qualifications

• Bachelor's degree in Cybersecurity, IT, CS or related field.
• 5+ years in IT Security or OT Security, ideally in critical infrastructure or industrial environments.
• Hands-on experience with SIEM, IDS/IPS, and endpoint security tools.
• Strong incident response and threat management capabilities.
• Eligibility to obtain and hold the required security clearance.

Responsibilities

• Map and monitor assets on the network; build asset registers and data flow maps.
• Run SIEM operations, threat detection, and incident response; coordinate fixes.
• Lead risk assessments and security reviews; align with NIST and IEC 62443.
• Drive vulnerability assessments, pen tests, and audits; ensure remediation.
• Vet vendor and supply chain security; ensure external partners meet security bar.
• Design and deliver security training to turn employees into security assets.

Skills

Bachelor's degree in Cybersecurity

5+ years in IT Security or OT Security

SIEM

IDS/IPS

Endpoint security tools

Education

Bachelor's degree in Cybersecurity, IT, Computer Science, or related field

Tools

SIEM

IDS/IPS

Endpoint Security

Job description

BASE CAMP DIGITAL PTE. LTD. is seeking an IT Security Officer for OT environments in a critical infrastructure setting. You will lead threat hunting, gap closure, and build a cybersecurity backbone across operations.

You will own OT security visibility, run SIEM operations, manage risk and compliance, and drive vulnerability management with cross-functional teams to protect assets and ensure resilience.