Are you an experienced OT Security professional who thrives in an advisory-led environment? Do you enjoy shaping client strategies, discussing emerging threats, and influencing the direction of OT security at a senior level? If so, this could be the perfect next step.

Entasis Partners are partnering with a leading consultancy to appoint a Senior OT Security Consultant / Manager someone who is confident operating across board-level conversations, industry trends, and technical security discussions, without being tied down to implementation or engineering-heavy work.

This role is strategic, relationship-driven, and centred on guiding clients through the evolving OT threat landscape, helping them to build long-term resilience and future-ready operating models.

What You’ll Be Doing

• Providing expert OT security advisory to clients across industrial, critical national infrastructure, energy, manufacturing, and regulated sectors.
• Leading conversations around market trends, regulatory shifts, and emerging OT threats, helping clients understand their risk posture.
• Supporting clients in developing OT security strategies, roadmaps, policies, and operating models aligned to industry standards (ISA/IEC 62443, NIST, NIS2, etc.).
• Acting as a trusted advisor , building relationships, guiding decision-makers, and supporting long-term security transformation journeys.
• Working closely with internal and client-side teams to define improvements, identify gaps, and help shape future OT security programmes.
• Contributing to thought leadership: whitepapers, insights, presentations, and wider organisational knowledge-sharing.
• Taking ownership of initiatives and supporting the continued growth and maturity of the OT security advisory practice.

What We’re Looking For

• Strong background in OT security, industrial cybersecurity, or critical infrastructure.
• Ability to confidently advise clients at senior level , translating technical concepts into business-focused decisions.
• Knowledge of OT frameworks and regulations (e.g., IEC 62443, NIST CSF, NIS/NIS2, OG86, etc.).
• Understanding of OT architectures, threat vectors, and operational risk , without needing to be hands-on with implementation.
• Excellent communication skills with a passion for relationship building and client partnership.
• A proactive mindset, commercially aware, and keen to help shape an evolving practice.

Why This Role?

• Opportunity to own and grow key advisory projects within a specialist OT practice.
• Freedom to influence direction, support strategy, and create genuine impact with major clients.
• Work in an environment that values expertise, curiosity, and long-term relationship building.
• Play a key role in shaping the future of OT security advisory within a high-growth team.

If you enjoy discussing OT security trends, regulations, evolving threats and you’re looking for a role where strategy and advisory take centre stage , I would like to hear from you.