DV Cleared OT Security Consultant

Overview:

A long-term opportunity for a DV cleared OT Cyber Security Consultant to support risk assessment activities for a high-assurance defense programme. This role will focus on applying the IEC 62443 framework to perform structured assessments of industrial control system environments, supporting a wider multidisciplinary engineering team.

Key Responsibilities:

• Conduct cyber security risk assessments in line with IEC 62443-3-2, 3-3, and 4-2
• Engage with project stakeholders, engineers, and third-party vendors to gather relevant technical and operational information
• Produce clear, detailed risk reports and review peer submissions to ensure consistency and accuracy
• Work effectively within a remote-first team while supporting on-site engagements as required
• Contribute to secure system design by identifying gaps, proposing mitigations, and aligning with project security objectives

Essential Requirements:

• Active DV clearance
• Strong experience in OT/ICS cyber security
• Proven ability to perform and write up structured cyber risk assessments
• Excellent communication and collaboration skills in both remote and on-site settings

Desirable:

• IEC 62443 certification or demonstrable expertise with the standard
• Experience working on defence nuclear or high-integrity engineering programmes

If you\’re interested and want to have a confidential chat, then please don\’t hesitate to reach out.

Speak soon.