OT Cyber Security Engineer

Rullion Ltd; Stafford; Hybrid; GBP 55,000 - 65,000; Full time

Job summary

A leading company in operational technology is seeking an experienced OT Cyber Security Engineer to join their team in Stafford, UK. The role involves designing secure OT networks, conducting vulnerability assessments, and mentoring junior staff. Candidates should have a Bachelor's degree in computer science and over 5 years of cybersecurity experience, particularly in ICS environments. The position offers competitive pay and benefits, including 28 days holiday and private healthcare.

Benefits

28 days holiday plus bank holidays

Flexible working, predominantly office based

Flexible Pension Scheme

Life assurance policy

Private health care

Qualifications

• Experience creating Functional Design and Cyber Security Specifications.
• Familiarity with frameworks like NIST 800-53/800-82, ISO 27001, and IEC 62433.
• Proven ability to manage relationships at all levels.
• Commitment to customer service and performance culture.

Responsibilities

• Design and secure OT networks across various critical industries.
• Conduct advanced threat analysis, penetration testing, and vulnerability assessments.
• Develop and implement cybersecurity solutions.
• Lead risk mitigation efforts and mentor junior team members.
• Support project management and business development activities.

Skills

Securing ICs communications protocols

Designing/configuring secure networks

Documentation skills

Security Standards knowledge

Stakeholder Management

Customer Focus

Clearance eligible for SC

Education

Bachelor's degree in computer/system science

5+ years in cybersecurity

2+ years in critical infrastructure/ICS environments

Tools

Microsoft Planner

JIRA

Confluence

Metasploit

Nmap

Job description

OT Cyber Security Engineer

Stone - Staffordshire (travel into the office once per week with the odd customer site visit in the UK)

Permanent

Up to 65k

A leading company in operational technology and digital transformation is seeking an experienced Industrial Control Systems (ICS) Operational Technology (OT) Cyber Security Engineer to join their Service and Support team. The role involves designing and securing OT networks across various critical industries, conducting advanced threat analysis, penetration testing, and vulnerability assessments. The engineer will develop and implement cybersecurity solutions, lead risk mitigation efforts, mentor junior team members, and support project management and business development activities. The position requires travel to the office and customer sites across the UK.

Essential Experience:

• Education & Experience: Bachelor's degree in computer/system science and 5+ years in cybersecurity, with 2+ years in critical infrastructure/ICS environments (e.g., SCADA, PLCs, RTUs).
• Industry Knowledge: Ability to work across sectors such as chemical, water, oil & gas, and energy.

Technical Skills:

• Securing ICs communications protocols (e.g., MODBUS, OPC, DNP3).
• Designing/configuring secure networks (switching, routing, firewalls).
• Securing IT/OT communications and real-time/performance-sensitive systems.
• Documentation: Experience creating Functional Design and Cyber Security Specifications.
• Security Standards: Familiarity with frameworks such as NIST 800-53/800-82, ISO 27001, IEC 62433, NIS-R, etc.
• Stakeholder Management: Proven ability to manage relationships at all levels.
• Customer Focus: Commitment to customer service and performance culture.
• Clearance: Must be eligible for SC (Security Check) clearance.

Desirable Experience:

• Experience in both engineering and non-engineering environments.
• Familiarity with customer satisfaction and retention initiatives.
• Knowledge of Lean and Agile tools (e.g., Microsoft Planner, JIRA, Confluence).
• Involvement in offensive cybersecurity (red teaming, use of tools like Metasploit, Nmap, etc.).
• Experience with physical security assessments aligned with NIS and NPSA standards.
• Expertise in Digital Forensics and Incident Response (DFIR) in industrial environments (e.g., VxWorks, RTOS, Embedded Linux, WinCC, PCS 7).

Benefits:

• 28 days holiday plus bank holidays
• Flexible working, predominantly office based.
• Flexible Pension Scheme
• Life assurance policy
• Private health care
  (Rullion is a recruitment agency)

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