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JONDAVIDSON PTE. LTD.

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OT Security Engineer

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Key Responsibilities

OT Security & Asset Management

  • Discover and maintain inventory of OT assets using non-intrusive monitoring tools.
  • Maintain asset registers, network architecture diagrams, and data flow documentation.
  • Identify unmanaged devices, network risks, and potential attack paths across IT and OT environments.
  • Support security baseline maintenance and architecture reviews.

Security Operations & Monitoring

  • Monitor and protect operational technology environments.
  • Operate and manage SIEM solutions for threat detection and monitoring.
  • Support security incident investigation, response, and remediation activities.
  • Coordinate with internal stakeholders and relevant security teams on cybersecurity matters.

Risk Management & Compliance

  • Conduct cybersecurity risk assessments and security reviews.
  • Ensure compliance with industry security standards, cybersecurity frameworks, and organizational policies.
  • Support business continuity and disaster recovery planning and testing.

Vulnerability Management

  • Coordinate vulnerability assessments, penetration testing, and security audits.
  • Manage patching activities and remediation programs.
  • Work closely with infrastructure and application teams to address security findings.

Vendor & Supply Chain Security

  • Evaluate third-party hardware, software, and service providers from a security perspective.
  • Support vendor security reviews and secure procurement practices.
  • Ensure cybersecurity requirements are adhered to by external partners and suppliers.

Security Awareness

  • Develop and deliver cybersecurity awareness and training programs.
  • Act as a subject matter expert for OT cybersecurity matters.
  • Promote security best practices across stakeholders.

Mandatory Requirements

  • Bachelor's Degree in Cybersecurity, Information Technology, Computer Science, or a related discipline.
  • Minimum 5 years of experience in IT Security or OT Security roles.
  • Experience in critical infrastructure, government, scientific, industrial, or highly regulated environments.
  • Hands-on experience with SIEM platforms, IDS/IPS technologies, and endpoint security solutions.
  • Strong understanding of cybersecurity operations, incident response, and threat management.
  • Ability to obtain and maintain the required security clearance.

Preferred Skills & Experience

  • Experience securing SCADA, ICS, or Operational Technology environments.
  • Familiarity with NIST, FISMA, IEC 62443, or similar cybersecurity frameworks.
  • Experience supporting 24/7 mission-critical environments.
  • Knowledge of cloud security technologies, including AWS or Azure environments.
  • Familiarity with environmental monitoring, telemetry, industrial control systems, or similar operational environments.

Preferred Certifications

  • CISSP (Certified Information Systems Security Professional)
  • CISM (Certified Information Security Manager)
  • CEH (Certified Ethical Hacker)
  • GICSP (Global Industrial Cyber Security Professional)
  • Other relevant cybersecurity certifications

Skills

See also

Security jobs by country — openings, pay and top skills →

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