OT Security Specialist (Hybrid Role)

Michael Page; Hoddesdon; Hybrid; GBP 60,000 - 80,000; Full time

Job summary

A leading energy infrastructure organization is seeking an experienced OT Cyber Security professional to enhance security architecture and governance across various energy sites in the UK. This hybrid role mandates collaboration with engineering teams to implement security principles, manage incident response, and conduct risk assessments compliant with IEC62443 and NCSC CAF. Candidates should possess a strong OT cyber background and a willingness to travel occasionally. Competitive benefits include a discretionary bonus and private medical insurance.

Benefits

Discretionary bonus: Up to 30%

Private Medical Insurance

Life Assurance

Holiday: 25 days + bank holidays

Qualifications

• Technical background with solid OT cyber experience.
• Experience in ensuring OT Security Controls in architecture.
• Solid experience in industries of Critical National Infrastructure, Energy or Manufacturing.

Responsibilities

• Lead implementation of OT security tools and controls.
• Assess and improve OT network architecture and protocols.
• Drive incident response and post‐incident analysis.
• Support vulnerability and asset management frameworks.
• Contribute to risk assessments aligned with IEC62443 and NCSC CAF.
• Deliver cyber awareness within engineering teams.

Skills

OT Cyber Security

Risk assessment

Incident response

Network architecture

Job description

This is a hands‑on OT Cyber Security position focused on improving architecture, governance, and documentation across diverse energy generation and storage sites. You'll collaborate closely with engineering teams to implement consistent security principles and support operational resilience. It's a hybrid role, with 3 days working onsite either Hoddesdon or Immingham.

Client Details

A leading energy infrastructure organisation with a growing footprint across the UK, Ireland, and Germany. The business operates gas generation, battery storage, and newly commissioned assets, with a strong focus on safety, compliance, and innovation.

Description

• Lead implementation of OT security tools and controls.
• Assess and improve OT network architecture and protocols.
• Drive incident response and post‑incident analysis.
• Support vulnerability and asset management frameworks.
• Contribute to risk assessments aligned with IEC62443 and NCSC CAF.
• Deliver cyber awareness within engineering teams.
• Collaborate on change management and network configuration planning.

Profile

• Technical background with solid OT cyber experience.
• Experience in ensuring OT Security Controls in architecture.
• Solid experience in industries of Critical National Infrastructure, Energy or Manufacturing.
• Knowledge of ISO/IEC 62443 and NCSC CAF.
• Willing to travel across different sites in UK and Europe occasionally.

Job Offer

• Discretionary bonus: Up to 30%
• Private Medical Insurance
• Life Assurance
• Holiday: 25 days + bank holidays
• Hybrid role with 3 days or above working on‑site (Hoddesdon or Immingham)