OT Cyber Security Senior Manager

Overview

In this role, you will lead end-to-end OT security programmes for critical infrastructure across sectors like Energy, Utilities, and Manufacturing. You’ll act as a trusted advisor to senior client stakeholders and grow the OT security practice within a global consultancy. You will shape security strategies, manage delivery, and mentor the team while engaging with CNI and industrial clients. This is a hands-on, leadership-heavy position with a focus on real-world OT risk reduction and regulatory alignment.

Pay / Benefits

• Competitive salary
• Up to 30 days’ annual leave
• Private medical insurance
• 3 extra days’ leave per year for charitable work
• Hybrid working
• London office flexibility

Responsibilities

• Become a trusted advisor to client stakeholders and build long-term relationships
• Own end-to-end delivery of large OT security programmes in regulated environments (timelines, budgets, standards)
• Run cybersecurity strategy assessments and readiness evaluations using industry frameworks
• Identify and communicate risks at project, business and technical levels; propose mitigations
• Analyze ICS architectures (SCADA, DCS, IIoT); design and implement OT security solutions
• Develop ICS security control frameworks based on NIST, ISO 27001, IEC 62443
• Produce deliverables: threat/risk assessments, security policies, assurance plans, compliance evidence
• Mentor team members and support knowledge sharing; contribute to practice growth and thought leadership

Key requirements

• 10+ years in OT/ICS cybersecurity or critical infrastructure security
• Hands-on OT security experience in manufacturing/plant environments
• Ability to communicate with engineers and credibility with operations teams
• Consulting mindset with commercial awareness and structured delivery
• Proven track record leading complex security programmes in regulated environments
• Deep understanding of ICS (SCADA, DCS, PLC, IIoT) and security challenges
• Strong familiarity with OT security regulations/frameworks (NIS, NIS2, CAF, CRA)
• Comfort engaging with senior leaders and technical teams
• SC eligibility with 5 years of UK address history; willingness to travel across the UK

• Excellent communication skills
• Client-first approach; trust-building with stakeholders
• Leadership and mentoring abilities
• ICS/OT security expertise (SCADA, DCS, PLC, IIoT)
• Security frameworks: NIST, ISO 27001, IEC 62443
• Threat and risk assessment, policy and procedure development

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