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OT Security Consultant @ 83zero Limited

GBOnsiteFull-time
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About this role

Salary: £100,000 - 100,000 per year

Requirements

  • Previous experience in OT/ICS security, ideally including SCADA or industrial control systems
  • Strong understanding of OT network security, risk assessments and security controls
  • Experience in a consultancy or client-facing environment
  • Knowledge of IEC 62443, NIST or similar security frameworks would be beneficial
  • Good communication skills and the ability to explain technical risks clearly
  • Must hold active SC clearance and be a sole UK national (no dual nationality)

Responsibilities

  • Deliver OT security assessments, audits and gap analyses
  • Assess OT networks, systems and security controls to identify potential risks
  • Support clients with OT security strategies, policies and improvement roadmaps
  • Provide practical security recommendations and technical guidance
  • Work closely with clients as a trusted security advisor

Technologies

  • Support
  • Network
  • Security

More

We are an established cybersecurity consultancy supporting clients across industries such as energy, manufacturing, oil and gas, and pharmaceuticals. In this hybrid role, you will work on a range of OT security projects to help organisations identify risks, strengthen their security posture and protect critical operational environments. The salary is up to £100,000, and the role requires 2–3 days onsite per week.

last updated 46 week of 2026

Skills

OT/ICS securitySCADAindustrial control systemsOT network securityRisk assessmentsecurity controlIEC 62443NISTSC clearance

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