- Company Name
- MPI Limited
- Job Title
- Senior Cyber Security Engineer
- Job Description
-
**Job Title**
Senior Cyber Security Engineer (Assurance)
**Role Summary**
Lead security engineering for Operational Technology projects in rail infrastructure. Own risk assessment, architecture design, testing, and assurance across the delivery lifecycle, ensuring compliance with IEC 62443, CENELEC, NIS/NIS2, EU CRA, and TS 50701 standards.
**Expectations**
- Deliver end‑to‑end security for signalling, control, electrification, SCADA, and station systems.
- Develop and maintain security requirements, plans, and test strategies.
- Mentor junior engineers and influence cross‑functional teams.
- Stay current with emerging threats, technologies, and regulatory changes.
**Key Responsibilities**
- Engage client security teams to integrate organizational risk appetite.
- Specify, document, and monitor security requirements under industry regulations.
- Design system zoning, conduits, and controls to meet protection goals.
- Conduct threat & risk analyses, define countermeasures, and evaluate third‑party components.
- Compile and review security artefacts throughout development.
- Verify compliance via system, factory, and site acceptance testing.
- Perform and validate penetration tests, identify vulnerabilities, and evaluate remediation.
- Represent security at project milestones, stage‑gate reviews, and incident responses.
- Capture lessons learned to drive continuous improvement.
**Required Skills**
- Leadership and project management in OT security environments.
- Deep knowledge of IEC 62443 and CENELEC standards.
- Experience with risk assessment, threat modeling, and security testing (penetration, FATO).
- Ability to develop security architectures, zoning, and control frameworks.
- Strong communication, stakeholder influence, and mentoring capabilities.
**Required Education & Certifications**
- Degree or equivalent in engineering, science, or related quantitative field.
- Certifications preferred: CISSP, CSSLP, or CESG Certified Professional (CCP).
Chippenham, United kingdom
On site
Senior
07-01-2026