{"id":3270522,"url":"https://alion.io/job/sizewell-c-security-architect-sizewell-c","title":"Security Architect (Sizewell C)","company":{"id":1777214,"name":"Sizewell C","domain":"sizewellc.com","url":"https://alion.io/company/sizewellc","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SuccessFactors","truth_index":{"grade":"A","score":99,"open_postings":9,"ghost_share":0,"stale_share":0.222,"repost_share":0,"time_to_fill_p50_days":20,"computed_at":"2026-11-03T05:54:40Z"}},"role":"Security","role_family":"Security","seniority":"staff","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Sizewell, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":80000,"max":null,"currency":"GBP","period":"year","gross":null,"usd_annual":106996},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"IAM","optional":false},{"name":"ISO 27001","optional":false},{"name":"Zero Trust","optional":false}],"status":"live","first_seen_at":"2026-10-26T11:25:05Z","employer_posted_date":"2026-10-26","last_verified_at":"2026-11-03T04:40:20Z","board_verified":true,"closed_at":null,"days_open":8,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":8},"description":"The Sizewell C Jobs Service supports local people into exciting, long-term careers across our Project.#SZCJobs\nSecurity Architect\nSizewell C\nLocation: London on a hybrid basis with travel to Suffolk as required.\nContract: Permanent, full-time.\nSalary: Circa £80,000 dependant on experience, plus benefits\nClosing Date: Thursday 5th November 2026\nBenefits include:\nSalary: Competitive (depending on experience)\nBonus: 5% annual target\nHoliday: 28 days + bank holidays\nPension: Market-leading (up to 7.5% employee / 15% employer)\nBenefits: Health cover, cycle-to-work scheme, discounts & more\nHybrid working & ongoing professional development\nAbout the Role\nWe are seeking an experienced Security Architect to lead the design and governance of secure technology solutions across the Sizewell C organisation. Working within a highly regulated and safety critical environment, you will ensure that security is embedded into systems, infrastructure, cloud platforms, applications, and operational technology from inception through delivery.\nYou will collaborate with Cyber Security, Enterprise Architecture, Engineering, Infrastructure, Digital, and third-party suppliers to define security standards, assess risk, and support the delivery of resilient and compliant technology solutions.\nAbout You\nProven experience in a Security Architect or senior cyber security role within large, complex organisations\nExtensive knowledge of security architecture frameworks, cloud security principles across Azure and/or AWS, network and infrastructure security, Identity and Access Management (IAM), Zero Trust and secure access models, and security monitoring and threat management technologies.\nExperience designing secure enterprise and operational technology environments\nKnowledge of cyber security standards and frameworks such as ISO27001, NIST, CIS, or IEC 62443\nStrong stakeholder management and communication skills\nAbility to balance security, operational, and business requirements\nWhy Join Us?\nBe part of one of the most important low-carbon energy projects in the UK.\nWork in a mission-driven environment that values innovation, integrity, and long-term sustainability.\nCompetitive salary, comprehensive benefits, and opportunities for career development.\nFlexible and hybrid working options.\nFor this role you must have evidence of right to work in the UK. As a project, we do not discriminate on the grounds of age, gender, race, colour, religion, disability or sexual orientation, and we welcome applications from all sections of the community.\nThe Sizewell C Jobs Service supports local people into exciting, long-term careers across our Project.#SZCJobs\nSecurity Architect\nSizewell C\nLocation: London on a hybrid basis with travel to Suffolk as required.\nContract: Permanent, full-time.\nSalary: Circa £80,000 dependant on experience, plus benefits\nClosing Date: Thursday 5th November 2026\nBenefits include:\nSalary: Competitive (depending on experience)\nBonus: 5% annual target\nHoliday: 28 days + bank holidays\nPension: Market-leading (up to 7.5% employee / 15% employer)\nBenefits: Health cover, cycle-to-work scheme, discounts & more\nHybrid working & ongoing professional development\nAbout the Role\nWe are seeking an experienced Security Architect to lead the design and governance of secure technology solutions across the Sizewell C organisation. Working within a highly regulated and safety critical environment, you will ensure that security is embedded into systems, infrastructure, cloud platforms, applications, and operational technology from inception through delivery.\nYou will collaborate with Cyber Security, Enterprise Architecture, Engineering, Infrastructure, Digital, and third-party suppliers to define security standards, assess risk, and support the delivery of resilient and compliant technology solutions.\nAbout You\nProven experience in a Security Architect or senior cyber security role within large, complex organisations\nExtensive knowledge of security architecture frameworks, cloud security principles across Azure and/or AWS, network and infrastructure security, Identity and Access Management (IAM), Zero Trust and secure access models, and security monitoring and threat management technologies.\nExperience designing secure enterprise and operational technology environments\nKnowledge of cyber security standards and frameworks such as ISO27001, NIST, CIS, or IEC 62443\nStrong stakeholder management and communication skills\nAbility to balance security, operational, and business requirements\nWhy Join Us?\nBe part of one of the most important low-carbon energy projects in the UK.\nWork in a mission-driven environment that values innovation, integrity, and long-term sustainability.\nCompetitive salary, comprehensive benefits, and opportunities for career development.\nFlexible and hybrid working options.\nFor this role you must have evidence of right to work in the UK. 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