Lead Security Engineer

GCS; England; On-site; GBP 60,000 - 80,000; Full time

Job summary

A leading cybersecurity firm is seeking a Lead Security Engineer to oversee OT cybersecurity initiatives in the North West UK. The role involves ensuring the protection of critical infrastructure systems and compliance with various regulations. Ideal candidates will have significant OT cybersecurity experience and a strong understanding of industrial control systems.

Qualifications

• Significant experience in OT cybersecurity within critical national infrastructure.
• Strong understanding of industrial control systems and communication protocols.
• Proven experience with OT network architecture.
• Strong knowledge of OG86 and IEC 62443 frameworks.
• Experience with compliance frameworks such as COMAH and NIS.

Responsibilities

• Lead the design and implementation of the OT Cybersecurity Management System.
• Conduct risk assessments and threat modeling for OT environments.
• Manage NIS compliance and produce annual reports.
• Collaborate with OT engineers and IT teams.
• Oversee incident response and recovery procedures.
• Develop and deliver OTA cybersecurity training programs.

Skills

OT cybersecurity

Industrial control systems

Risk assessment

Strong leadership skills

Network architecture

Job description

Overview

GCS Cheshire West And Chester, England, United Kingdom

Lead Security Engineer

GCS Cheshire West And Chester, England, United Kingdom

This range is provided by GCS. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Specialist in Building Security Architecture Teams

Job Title: OT Security Lead

Location: North West UK (5 days, Site-based)

Duration: 6 Months

About the Role

We are looking for an experienced OT Cybersecurity Lead to drive critical initiatives within a dynamic Operational Technology environment. This hands-on leadership role will ensure the protection of critical infrastructure systems such as SCADA, DCS, PLCs, and other industrial automation & control systems (IACS), while embedding compliance and governance across the organisation.

Key Responsibilities

• Lead the design, implementation, and upkeep of the OT Cybersecurity Management System in line with OG86 and IEC 62443 standards.
• Conduct risk assessments and threat modelling for OT environments.
• Manage NIS compliance and produce annual reports for OT networks.
• Collaborate with OT engineers, IT, and safety teams to ensure secure integration of OT systems.
• Oversee incident response and recovery procedures for OT cyber events reported by a 24/7 OT SOC.
• Develop and deliver OT cybersecurity awareness and training programs.
• Manage third-party cybersecurity providers delivering proactive monitoring, detection, and response.
• Monitor and report on OT cybersecurity posture and KPIs to senior leadership.

Experience

• Significant experience in OT cybersecurity within critical national infrastructure (oil & gas, energy, utilities, or similar).
• Strong understanding of industrial control systems (ICS) and communication protocols such as Modbus, OPC, and DNP3.
• Proven experience with OT network architecture, including network segmentation, firewalls, and secure remote access.
• Strong knowledge of OG86 and IEC 62443 frameworks.
• Experience with compliance frameworks including COMAH, NIS, and ISO/IEC 62443.
• Strategic thinking, leadership skills, and ability to work with multidisciplinary teams.

Seniority level

• Mid-Senior level

Employment type

• Contract

Job function

• Information Technology

Industries

• Oil and Gas and Energy Technology