Senior OT Security Consultant / Manager : Advisory (UK)

Entasis Partners; Greater London; On-site; GBP 100,000 - 125,000; Full time

Job summary

A leading consultancy based in the United Kingdom is seeking an experienced Senior OT Security Consultant/Manager to provide expert advisory services. The role involves influencing board-level discussions while guiding clients through the evolving OT threat landscape, helping them develop resilient operating models and security strategies. Ideal candidates should be adept in advisory settings and familiar with industry standards such as ISA / IEC 62443. This position focuses on building client relationships without being tied to implementation work.

Qualifications

• Proven experience in OT security, particularly in advisory roles.
• Ability to influence board-level discussions and decision-making.
• Familiarity with industry standards such as ISA / IEC 62443 and NIST.

Responsibilities

• Provide expert OT security advisory to clients across various sectors.
• Lead discussions on market trends and emerging threats.
• Support clients in developing OT security strategies and policies.

Skills

OT Security expertise

Advisory skills

Strategic thinking

Relationship management

Job description

Job Description

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‑ma...