Salary: £66,630 - 78,912 per year Requirements: We are looking for candidates with the following skills and knowledge: Degree or equivalent experience in cyber security, information systems, or a related technical field. Knowledge of enterprise IT systems, networks, and cloud platforms (e.g., Azure) alongside familiarity with secure design principles and architecture frameworks. Proven track record in security architecture or secure systems engineering within complex IT or OT environments, with the ability to create and articulate technical security designs for diverse stakeholders. Understanding of cyber risk principles and relevant security controls. Strong understanding of threat modeling, secure architectures, and assurance processes. Experience in delivering secure by design within a regulated environment (ideally in nuclear, critical national infrastructure, or defense). Strong working knowledge of architecture frameworks (e.g., TOGAF, SABSA, or equivalent). Excellent written and verbal communication skills, with the capacity to explain complex topics clearly. Experience working with stakeholders at multiple levels to influence design decisions. Awareness of regulatory and industry frameworks (e.g., CAF, NIST, CIS, and NIS Regulations). Responsibilities: In this role, you will be responsible for: Supporting the development and implementation of security architectures and patterns aligned to enterprise strategy, regulatory expectations, and control standards. Providing technical guidance and assurance on cyber security design during project and solution delivery. Translating business and technical requirements into secure architectural designs. Collaborating with Enterprise, Solution, and OT Architects to ensure security is integrated into all designs. Assisting in defining and maintaining security standards, guidelines, and reference architectures. Participating in technical design authorities and review boards, representing cyber security concerns. Keeping abreast of emerging cyber threats and technologies to provide forward-looking security architecture advice. Providing clear and actionable cyber security advice to a range of technical and non-technical stakeholders. Supporting risk assessments, threat modeling, and security control selection. Championing a ‘Secure by Design’ approach across ISO/ICT. Technologies: Azure Cloud ICT Security TOGAF Architect Embedded Support Network More: At Sellafield Ltd, we are dedicated to creating an exceptional workplace where our employees can thrive. With over 100 years of work ahead, we offer comprehensive training and development opportunities to inspire you in your role. You will enjoy a variety of employee benefits, including: - An annual bonus of up to 10% – 15%, based on company and personal performance. - An attractive defined contribution pension scheme with company matching up to 13.5% for a 7% employee contribution. - 30 days of annual leave plus bank holidays, with the option to purchase an additional 2.5 days each year. - The ability to carry over 10 days of annual leave each financial year. - Paid sick leave and family-friendly policies. - Various learning and development opportunities and many more benefits. We are recognized as a Disability Confident Employer, offering interviews to disabled applicants that meet the minimum criteria for our vacancies. Join us at Sellafield Ltd, where youll take on critical challenges in the nuclear, infrastructural, and engineering sectors while contributing to a safe and sustainable future. Explore your potential with us today! last updated 50 week of 2025