OT Security Engineer

Rullion Managed Services; England; Hybrid; GBP 100,000 - 125,000; Full time

Job summary

A global leading Energy firm is seeking an OT Security Engineer for a hybrid position in Warwick, with responsibilities including supporting industrial cybersecurity projects and providing technical solutions. The ideal candidate will have strong experience in operational technology environments and familiarity with cyber regulations like IEC 62443. This long-term role offers a daily commitment of 1 day per week on-site and 10% travel globally.

Qualifications

• Experience in energy or oil & gas sectors required.
• Hands-on cybersecurity experience in operational technology environments.
• Familiarity with IEC 62443 standards is an advantage.

Responsibilities

• Report to the Lead Execution Manager for Industrial Cyber Security.
• Assist in cybersecurity project delivery and validation.
• Provide hands-on support and troubleshooting for cyber execution.

Skills

Control Systems Engineering

Cybersecurity Implementation

Attention to Detail

Technical Documentation

Communication Skills

Education

Relevant engineering degree or equivalent

Tools

VMware

Job description

Rullion are looking to recruit for the following role for one of our global leading Energy clients.

• OT Security Engineer
• Location – Warwick– Hybrid – 1 day per week – Commute to Lincoln once a month
• ASAP Start
• 6–12 Months then rolling contract (long term work)
• Inside IR35
• PAYE (Apply online only) Per day Umbrella (Apply online only) Per day

Position Main Responsibilities:

• Report to the Lead Execution Manager for Industrial Cyber Security.
• Hands–on support the Digital Products and Solutions team in achieving goals and setting cyber security strategy.
• Assist in the delivery of cybersecurity projects by validating existing technical documentation.
• Hands–on work in OT environments, including configuring networks, remote access solutions, and virtualization platforms.
• Provide customer cyber support and act as a point of contact for execution projects.
• Answer technical questions from Product Lines, including troubleshooting and solution listing.
• Write and perform training sessions for internal teams and customers.
• Support key business stakeholders in adopting new technologies.
• Develop and maintain technical partnerships with internal and external stakeholders or suppliers.
• Liaise with the internal ICS (Industrial Cyber Security) group on compliance and best practices.
• Support Cyber execution training and troubleshooting for Product Competence Centers.
• Maintain the cyber security lab in Warwick with monthly visits.
• Travel to customer sites globally (approx. 10% of the time).

Typical Day Overview:

A typical day may involve answering technical queries from product lines, configuring network components, listing and documenting cybersecurity solutions, and preparing or delivering training sessions. You'll also collaborate with stakeholders, review technical documentation, and support ongoing cyber execution projects.

Relevant Skills and Experience:

• Experience as a control systems engineer or similar role, with knowledge of industrial applications in energy or oil & gas.
• Hands–on experience with cybersecurity implementation in OT environments.
• Familiarity with industrial cyber regulations, especially IEC 62443.
• Strong attention to detail and high–quality deliverables.
• Knowledge of remote connection solutions used in industry.
• Proven ability to write and manage technical documentation.
• Preferred certifications: GICSP or similar.
• Experience with virtualization platforms (e.g., VMware).
• Excellent interpersonal, verbal, and written communication skills for client–facing interactions.

If available please submit CV and a member of the team will be in touch

Rullion celebrates and supports diversity and is committed to ensuring equal opportunities for both employees and applicants.