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England, United Kingdom
Hybrid
Not Available
Location: Derby, Manchester, Warrington or Remote
Department: Security/ Safety & Regulatory Affairs
Security Clearance: SC must be obtained if selected.
Reporting to the Nuclear Security Case Manager, the Security Systems Associate Engineer plays a key role in assisting in the design of the Integrated Security Solution for the Rolls-Royce SMR power station, supporting the development of the nuclear security case, the successful completion of the Office for Nuclear Regulation (ONR), Environment Agency (EA) and Natural Resources Wales (NRW) Generic Design Assessment (GDA) process, and the ongoing support of the generic design.
We need you to:
Assist in the design of the site security solution.
Assist in the implementation of the Categorisation and Classification (Cat and Class) framework for security to support Secure by Design (SbyD).
Assist in the development of the Physical Protection System (PPS) and Cyber Protection System (CPS) to deliver integrated security effects, within an Integrated Security Solution (ISS), that meet or exceed the ONR’s required outcomes.
Aiding the integrating of the PPS and CPS design activities with engineering activities and processes to support SbyD.
Supporting the management of security requirements.
Aiding functional modelling of security functions and interfaces.
Collection of evidence from engineering processes, validation and verification to support the security case.
Creates documentation of requirements so they can be understood by engineers, and non-engineers.
Preparation of detailed workflow and diagrams that describe input, output and logical operation of the ISS, including relevant aspects of physical, personnel and cyber security.
Assists the production of high-level designs and supports processes for maintaining the security of a service through its full life cycle.
Assists in the communication of security requirements into application design elements including documenting specific security criteria.
Describes the major legislative regulatory instruments relevant to security legislation and regulation relevant to the role.
Maintains understanding of regulations that will impact the role.
Follows documented procedures for compliance or regulations.
Describes the basic principles of risk understanding and mitigation
Supports other security professionals in carrying out risk assessments and developing mitigation strategies
Follows documented principles and guidelines for risk understanding and mitigation
Experience & Knowledge
You’ll ideally bring experience in:
Relevant security certification or training to demonstrate domain knowledge.
Systems engineering, including use of industry-standard requirements management and systems modelling tools.
Experience delivering security for new build or large projects within the critical national infrastructure or incorporating nuclear power (civil or defence).
Degree level or equivalent in engineering or related discipline
If you meet around 75% of the criteria, we still want to hear from you.
Working style
The team is hybrid, relaxed and highly collaborative, with occasional travel to Derby for team activities or in‑person sessions.
We can offer flexible and part‑time options.
Salary: £30,000 – £39,400
Benefit allowance: £2,200
Bonus opportunity: 12.5%
Life assurance: 6x pensionable salary
Income protection: 50%
Holiday: 28 days plus bank holidays
£250 new joiner payment
Security and financial probity checks (including DBS/SC) form part of our offer process, but they are always assessed in context and are not pass/fail.
However this role requires the successful applicant to obtain SC clearance and therefore must be a UK national.

Pay Range:
£30,000.00-
£39,375.00
Why Join Us?
You’ll be joining a forward-thinking organisation that values transparency, fairness, and innovation. We offer:
• A flexible, inclusive, and supportive working environment.
• Opportunities for career growth in a rapidly scaling business.
• A culture that values diversity, innovation, and continuous learning.
We are an equal opportunities employer and welcome applications from all backgrounds. Inclusivity is important to us, and as a Disability Confident organisation, we are committed to fair, supportive, and continually improving recruitment practices that ensure everyone has the opportunity to thrive.
Confidence can sometimes hold us back from applying for a job. But we'll let you in on a secret: there's no such thing as a 'perfect' candidate. If you feel you meet 75% of the requirements for this role, we would love to hear from you.
Also, if you are considering a career move or a sector-jump, please get in touch – we welcome applications from people with transferable skills.
Our Application Process
Due to the safety regulations within the nuclear industry, applicants will be required to participate in additional screening. These are:
• Obtaining Baseline Personnel Security Standard (BPSS) clearance
• Satisfactory completion of a Disclosure and Barring Service (DBS) check
• Satisfactory completion of a basic financial probity check