Location: Aldermaston Onsite 1-2 days per week. Duration: 2 years We are seeking a DV Cleared OT Cyber Security Engineer with strong expertise in Secure by Design (SbD) principles to join a high-profile Defence programme. This is a critical role ensuring that OperationalTechnology (OT) environments are protected against evolving cyber threats while remaining resilient, safe … and compliant with security standards. The successful candidate will be responsible for designing, implementing, and reviewing OT security controls across complex systems, supporting both engineering and assurance activities. Key Responsibilities Apply Secure by Design principles throughout the engineering lifecycle. Conduct threat modelling, risk assessments, and security design reviews for OT environments. Work closely with engineering and project teams to embed … security into delivery. Produce and review security documentation in line with MOD/Defence standards. Provide SME input on OT security to stakeholders across projects. Essential Skills & Experience Active UK DV Clearance (mandatory). Security Practitioner Strong background in Operational Technology. Demonstrable experience applying MOD/Nuclear Secure by Design (SbD) principles. Proven experience in security architecture and engineering More ❯
SFIA level 4/5) to support a long-term programme in Berkshire. The role requires deep expertise in MoD Security by Design (SbD) and OperationalTechnology (OT) security, specifically aligned to ISO 62443 standards. Key Responsibilities: Apply MoD SbD principles across system and solution design. Carry out risk assessments and threat modelling to embed security throughout project … lifecycles. Provide expertise in OT environments (industrial control systems, SCADA, PLCs, etc.), with specific alignment to ISO 62443. Develop and maintain security documentation, including risk registers and assurance evidence. Work closely with technical teams, architects, and programme stakeholders to ensure security requirements are met. Support audits, accreditation, and compliance activities within a Defence and CNI context. Act as a trusted … Skills & Experience: Proven track record as a Security Practitioner at SFIA level 4/5. Current, practical experience with MoD SbD and associated risk management frameworks. Strong knowledge of OT security and ISO 62443. Demonstrated ability to work in Defence, Government, or Critical National Infrastructure environments. Familiarity with security assurance, accreditation, and governance processes. Excellent communication and stakeholder management skills. More ❯
This role is essential for maintaining and enhancing IT cyber security across various projects, with a specific focus on MoD SbD/risk management and OperationalTechnology (OT). Key Responsibilities: Implementing and managing cyber security policies and procedures in line with MoD SbD principles Conducting risk assessments and ensuring compliance with OT security standards, including ISO … reports and documentation on security measures and incident responses Job Requirements: Proficiency in IT cyber security practices and methodologies In-depth understanding of MoD SbD/risk management and OT security Experience with ISO 62443 standards Strong analytical and problem-solving skills Excellent communication and stakeholder management abilities Flexibility to work onsite at AWE Aldermaston as needed Relevant certifications in … Potential for contract extension beyond the initial 2-year term Collaborative and dynamic work environment If you are a skilled Cyber Security Engineer with expertise in MoD SbD and OT security principles, and are looking for a challenging contract role, we encourage you to apply now. Join our client in making a significant impact in the realm of Defence & Security. More ❯