OT / ICS Cyber Assurance Lead - UK Remote - c.£200k Package

Circle RecruitmentMilton Keynesreedpublished 09/17/2026
Must-have:SecuritySeniorLeadRemote

OT / ICS Cyber Assurance Lead - UK Remote - c.£200k Package

A senior opportunity for an experienced OT / ICS Cyber Security leader to own, develop and grow an established OT/ICS Cyber Assurance practice .

This is a role for someone who has built a cyber service line or practice , developed propositions, won consulting work and led technical teams. You will combine technical leadership with a substantial commercial remit , helping shape strategy, pricing, bids, propositions and growth.

The business already has a strong, high-performing cyber security capability, significant customer reach and the resources available to scale quickly. The opportunity is to build a major OT/ICS security and assurance proposition across manufacturing, CNI, enterprise and government customers.

The Role

You will take ownership of the OT/ICS Cyber Assurance service line, defining its proposition, methodology, delivery capability and commercial strategy.

You will:

  • Own and develop the OT/ICS Cyber Assurance proposition , methodology and safety-first testing standards.
  • Build and grow a team of consultants and pod leads, setting technical direction, career pathways and certification plans.
  • Develop new OT/ICS products and services , identifying opportunities for growth and cross-sell.
  • Lead major OT/ICS security programmes across manufacturing, CNI, energy, utilities, maritime and other operational environments .
  • Support and lead bids, proposals, pricing and commercial strategy .
  • Develop the labs, tooling and reference environments required for safe OT/ICS testing.
  • Maintain hands-on involvement in client engagements and retain strong technical credibility.

Technical Focus

The role will cover a broad range of OT and ICS security and assurance activity, potentially including:

  • OT / ICS Cyber Security Assessments, Architecture and Network Security
  • Industrial Control Systems, SCADA, DCS and PLC environments
  • IEC 62443
  • Cyber Resilience and Risk, CNI Cyber Security
  • OT SOC, Detection and Monitoring
  • Cyber Assurance and Regulatory Compliance

What We're Looking For

You will have 10+ years' experience in cyber security , with substantial specialist experience in OT/ICS and a track record of leading people, clients and commercial opportunities.

Essential experience includes:

  • Extensive hands-on OT/ICS security assessment experience in operational environments.
  • Strong understanding of OT/ICS architectures, industrial networks and protocols.
  • Working knowledge of IEC 62443 and relevant OT security standards.
  • Experience leading technical teams and developing senior consultants.
  • Proven involvement in sales, bids, proposals and commercial engagements .
  • Experience developing cyber security propositions, services or practice areas.
  • The ability to engage confidently with engineers, security professionals, CISOs and executive stakeholders.
  • Commercial understanding covering pricing, utilisation, profitability, pipeline and delivery .
  • Recognised certification such as GICSP, GRID, IEC 62443 or equivalent .
  • Ability to obtain and maintain SC clearance .
  • Full UK right to work and unrestricted ability to work across private, enterprise and government clients.

Desirable

  • Engineering, process control or industrial automation background.
  • OT SOC, detection and monitoring experience.
  • Sector experience across energy, utilities, maritime, manufacturing or CNI .
  • Experience building a new OT/ICS service line from an early stage.
  • Experience driving cross-sell from wider cyber services, including ISO 27001, cyber assurance or assessment services .
  • Experience with SCADA, DCS, PLC and industrial protocols such as Modbus, DNP3, OPC, PROFINET or EtherNet/IP.

Why This Role?

This is an opportunity for someone who enjoys building businesses, not simply managing them .

You will have the backing of an established cyber security organisation, existing technical capability and the resources to scale quickly. In return, you will have genuine ownership of the OT/ICS proposition and a significant role in determining its commercial and technical direction.

It's a particularly good fit for someone who has previously built an OT/ICS practice or service line , enjoys the combination of consulting, leadership and commercial strategy, and wants the autonomy to build something substantial.

Please apply for a chat. I'm available on Linkedin Tariq Dirania.

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