OT Cyber Security Manager

Yolk Recruitment Ltd; Cardiff; Hybrid; GBP 76,000 - 90,000; Full time

Job summary

A leading recruitment firm is seeking an OT Cyber Security Manager to join a vital team to protect operational technology systems in a critical infrastructure environment. The role emphasizes leadership and the implementation of comprehensive security strategies, providing an excellent opportunity to shape security practices and drive key initiatives while enjoying flexible working options.

Benefits

Discretionary annual bonus of up to 15%

25 days holiday plus bank holidays

Aviva pension scheme with 5% employee / 10% employer contributions

14x salary life insurance

Choices flexible benefits scheme including dental and health cash plans

Financial wellbeing programme

Enhanced parental leave

Retail discount and cashback schemes

Annual pay reviews

Company sick pay

Qualifications

• Significant experience in OT cyber security management.
• Proven team leadership and mentoring capabilities required.
• Knowledge of industry standards like NIST CSF and IEC 62443.

Responsibilities

• Own and evolve the cyber assurance strategy for industrial control systems.
• Lead and mentor a team of ICS security professionals.
• Coordinate with both OT and IT teams to ensure a consistent security posture.

Skills

Cyber security management

Team leadership

Risk assessment

Incident response

Policy development

Education

Degree in Cyber Security or related field

Tools

Firewalls

IDS/IPS

Endpoint protection

Job description

Job Title: OT Cyber Security Manager
Location: South Wales / Remote
Salary: up to £90,000 + benefits

We're hiring for an experienced OT Cyber Security Manager to lead the cyber assurance programme for a critical infrastructure environment. This is a key leadership role in a growing cyber resilience team, focused on protecting operational technology (OT) systems that underpin essential industrial processes.

You'll be responsible for designing and implementing security strategies that ensure the availability, integrity, and confidentiality of control systems. That includes managing a team of Industrial Control System Cyber professionals, shaping risk mitigation plans, and ensuring alignment with internal goals and regulatory standards.

What you'll be doing:

• Own and evolve the cyber assurance strategy for industrial control systems
• Lead and mentor a team of ICS security professionals
• Work with internal stakeholders to align security strategy with operational and regulatory requirements
• Carry out ICS-specific risk assessments and develop mitigation strategies
• Oversee the development of policies, procedures, and assurance frameworks
• Ensure compliance with relevant standards, including NIST CSF and IEC 62443
• Support incident response planning and real-time investigation efforts
• Manage technical controls such as firewalls, IDS/IPS, and endpoint protection
• Coordinate with both OT and IT teams to ensure consistent security posture
• Run assurance testing activities including audits, pen testing, and vulnerability scans
• Promote a strong security culture across the business

Benefits:

• Flexible working options (remote/hybrid)
• Discretionary annual bonus of up to 15%
• 25 days holiday plus bank holidays
• Aviva pension scheme: 5% employee / 10% employer contributions
• 14x salary life insurance
• "Choices" flexible benefits scheme including dental, health cash plans, and gym discounts
• Financial wellbeing programme
• Enhanced parental leave
• Retail discount and cashback schemes
• Annual pay reviews
• Company sick pay

Why You Should Apply

This is a strategic and hands-on role with the scope to influence security direction across the business. You'll join a collaborative, expert-led team where you can apply your knowledge, shape long-term outcomes, and take ownership of key security projects across both IT and OT landscapes.

Interested?

To find out more, contact Daniel Newton.

Apply with your CV and a short cover letter explaining why this role is a good fit for you.

Know someone who might be a great match? We offer a referral scheme-get in touch to find out more.