OT Cyber Security - Senior Manager

Anson McCade Pty; Greater London; Hybrid; GBP 110,000 - 140,000; Full time

Job summary

Anson McCade Pty is seeking an experienced OT Cyber Security Senior Manager to lead complex security programmes and manage senior client relationships across regulated environments. You will shape OT security delivery, mentor consultants and drive growth of the OT security practice, with UK-wide travel and hybrid office engagement.

The role requires extensive OT/ICS expertise across SCADA/DCS/PLC/IIoT, familiarity with NIS2, IEC 62443 and related standards, and a proven ability to communicate

Qualifications

• 10+ years' experience in OT/ICS cyber security or critical infrastructure security.
• Proven experience leading complex cyber security programmes within regulated industrial environments.
• Strong technical knowledge of ICs environments, including SCADA, DCS, PLC and IIoT.
• Familiarity with OT security regulations and frameworks, including NIS/NIS2, CAF and CRA.
• Experience engaging with both technical teams and senior business stakeholders.
• Ability to communicate complex security risks and develop proportionate, commercially viable solutions.
• Willingness to travel across the UK as client engagements require.
• Certifications such as GICSP, IEC 62443, CISSP or GRID.
• Experience across energy, utilities, manufacturing, aerospace, defence or other critical national infrastructure sectors.
• Knowledge of NERC-CIP and ISA/IEC 62443 standards.
• A background combining cyber security advisory with hands-on technical implementation.

Responsibilities

• Lead end-to-end OT cyber security programmes, managing delivery, budgets, timelines and security standards.
• Build strong relationships with senior stakeholders, translating complex technical risks into clear business impacts.
• Assess IC s environments, including SCADA, DCS, PLC and IIoT systems, identifying vulnerabilities and recommending improvements.
• Develop and implement OT security strategies, control frameworks and risk mitigation plans.
• Deliver security assessments, discovery workshops and compliance reviews aligned with industry standards and regulatory requirements.
• Produce threat and risk assessments, security policies, assurance plans and compliance documentation.
• Mentor and develop team members, supporting technical capability and career progression.
• Identify business development opportunities, strengthen client relationships and contribute to the growth of the OT security practice.

Job description

Location: London (Hybrid – typically 1 day per week in the London office, with occasional client-site travel)

Company Overview

Join a leading global consultancy delivering complex cyber security solutions across critical national infrastructure, defence and industrial sectors. Working within an established Operational Technology (OT) Security practice, you'll help organisations protect critical systems, strengthen cyber resilience and address evolving threats to industrial environments.

Role Overview

We're looking for an experienced OT Cyber Security Senior Manager to lead complex security programmes, manage senior client relationships and shape the delivery of OT security solutions across regulated environments.

You’ll work with organisations across energy, utilities, manufacturing, aerospace and defence, tackling challenging security issues within Industrial Control Systems (ICS) and critical infrastructure. Alongside leading client engagements, you’ll play a key role in developing technical capability, mentoring consultants and driving the growth of the OT security practice.

Key responsibilities include:

• Lead end-to-end OT cyber security programmes, managing delivery, budgets, timelines and security standards.
• Build strong relationships with senior stakeholders, translating complex technical risks into clear business impacts.
• Assess IC s environments, including SCADA, DCS, PLC and IIoT systems, identifying vulnerabilities and recommending improvements.
• Develop and implement OT security strategies, control frameworks and risk mitigation plans.
• Deliver security assessments, discovery workshops and compliance reviews aligned with industry standards and regulatory requirements.
• Produce threat and risk assessments, security policies, assurance plans and compliance documentation.
• Mentor and develop team members, supporting technical capability and career progression.
• Identify business development opportunities, strengthen client relationships and contribute to the growth of the OT security practice.

What We’re Looking For

• 10+ years' experience in OT/ICS cyber security or critical infrastructure security.
• Proven experience leading complex cyber security programmes within regulated industrial environments.
• Strong technical knowledge of IC s environments, including SCADA, DCS, PLC and IIoT.
• Familiarity with OT security regulations and frameworks, including NIS/NIS2, CAF and CRA.
• Experience engaging with both technical teams and senior business stakeholders.
• Ability to communicate complex security risks and develop proportionate, commercially viable solutions.
• Willingness to travel across the UK as client engagements require.
• Certifications such as GICSP, IEC 62443, CISSP or GRID.
• Experience across energy, utilities, manufacturing, aerospace, defence or other critical national infrastructure sectors.
• Knowledge of NERC-CIP and ISA/IEC 62443 standards.
• A background combining cyber security advisory with hands-on technical implementation.

Security requirements: Any offer is subject to successful BPSS and Security Check (SC) clearance. Applicants must have five years of continuous UK address history, typically with no periods of 30 consecutive days or more spent outside the UK, at the point of application. Additional client-specific requirements may apply.

Flexibility and UK travel are required to support client delivery.