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Open nowPosted 9 days ago

IT Security Officer - Operational Technology

MyCareersFuture94,028 open roles

Pay
SGD 8,000 – SGD 10,000 a month
Where
Singapore
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Your applicationOpen nowIT Security Officer - Operational TechnologyMyCareersFuture · Singapore

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The clock on this job

Early applications get read.

7.7% of postings close within 7 days. Measured by our own scanner across the market.

Share of postings closed within
  1. 1.6%1 day
  2. 3.3%3 days
  3. 7.7%7 days
  4. 14.0%14 days
  5. 33.7%30 days
This job: posted 9 days ago

The posting

IT Security Officer – Operational Technology (OT) | Critical Infrastructure

Protect the Systems That Keep Critical Infrastructure Running

We're looking for an IT Security Officer to be the frontline defender of these environments: hunting threats, closing gaps, and building the cybersecurity backbone that keeps operations safe, compliant, and resilient.

If you thrive where IT meets OT, love the challenge of securing systems that were never designed with cybersecurity in mind, and want your work to matter beyond a dashboard — this is your next role.

What You'll Own

🔍 OT Security & Visibility Map and monitor every asset on the network using non-intrusive tools. Build the asset registers, architecture diagrams, and data flow maps that turn a black box into a defensible environment — and hunt down the unmanaged devices and attack paths hiding in between.

🛡️ Security Operations & Monitoring Run point on SIEM operations, threat detection, and incident response. When something looks wrong, you're the one who investigates, contains, and coordinates the fix.

📋 Risk & Compliance Lead risk assessments and security reviews, keep the organization aligned to frameworks like NIST and IEC 62443, and play a key role in business continuity and disaster recovery planning.

🩹 Vulnerability Management Drive vulnerability assessments, pen tests, and audits — then partner with infrastructure and application teams to actually get findings resolved, not just reported.

🤝 Vendor & Supply Chain Security Vet third-party hardware, software, and service providers, and make sure every external partner meets your security bar.

🎓 Security Culture Design and deliver training that turns every employee into a security asset. Be the go-to OT cybersecurity expert stakeholders trust.

What You Bring

  • Bachelor's degree in Cybersecurity, IT, Computer Science, or related field
  • 5+ years in IT Security or OT Security, ideally in critical infrastructure, government, scientific, or industrial environments
  • Hands-on chops with SIEM, IDS/IPS, and endpoint security tools
  • Solid grounding in incident response and threat management
  • Eligibility to obtain and hold the required security clearance

Nice-to-Haves That Make You Stand Out

  • SCADA/ICS/OT security experience
  • Familiarity with NIST, FISMA, IEC 62443, or similar frameworks
  • Experience supporting 24/7 mission-critical operations
  • Cloud security exposure (AWS/Azure)
  • Background with industrial control systems, telemetry, or environmental monitoring
  • Certifications: CISSP, CISM, CEH, GICSP, or equivalent
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