{"id":1453387,"url":"https://alion.io/job/sixworks-platform-architect","title":"Platform Architect","company":{"id":1896349,"name":"SiXworks","domain":"sixworks.net","url":"https://alion.io/company/sixworks","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"BambooHR","truth_index":{"grade":"B","score":70,"open_postings":24,"ghost_share":0.5,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-01T05:45:00Z"}},"role":"Backend","role_family":"Backend","seniority":"staff","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Farnborough, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":134000,"max_usd":346000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":18},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Ansible","optional":false},{"name":"Azure","optional":false},{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"GitHub Actions","optional":false},{"name":"GitLab CI","optional":false},{"name":"GitOps","optional":false},{"name":"Immutable Infrastructure","optional":false},{"name":"Jenkins","optional":false},{"name":"Kubernetes","optional":false},{"name":"Platform Engineering","optional":false},{"name":"Podman","optional":false},{"name":"PowerShell","optional":false},{"name":"Python","optional":false},{"name":"Terraform","optional":false}],"status":"live","first_seen_at":"2026-08-14T00:00:00Z","employer_posted_date":"2026-08-14","last_verified_at":"2026-10-01T19:02:26Z","board_verified":true,"closed_at":null,"days_open":48,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":48},"description":"Work on Technology That Protects What Matters\nAt SiXworks, we build secure digital solutions that support Defence and National Security missions. Our teams work on complex problems where reliability, security, and speed of innovation matter.\nWhat You’ll Do\nWe are seeking an experienced and forward-thinking Platform Architectto define and evolve the strategic direction of our platforms, automation capabilities, and engineering practices. This role sits at the intersection of architecture, platform engineering, and reliability, ensuring that our platforms are secure, scalable, and designed to enable development teams to deliver high-quality solutions efficiently.\nPlatform Strategy & Architecture\nDefine and own the platform architecture strategy, ensuring alignment with business and technology objectives. \nDesign end-to-end platform solutions covering infrastructure, automation, CI/CD, and operational tooling. \nEstablish architectural principles, patterns, and standards (e.g., IaC, GitOps, immutable infrastructure). \nDrive consistency, reuse, and standardisation across platforms and environments. \nEvaluate emerging technologies and guide their adoption through proof of concepts and strategic roadmaps. \nWork with architects and principle architects across practices and to define roadmaps and architecture \nPlatform Engineering & Automation Leadership\nProvide technical direction for CI/CD pipeline design, automation frameworks, and Infrastructure as Code practices. \nEnsure platforms are designed for scalability, resilience, and operational efficiency. \nChampion automation-first approaches to reduce manual effort and increase reliability. \nOversee the design and implementation of reusable platform components and shared services. \nArchitecture Governance & Design Authority\nAct as a design authority for platform-related initiatives, reviewing and approving architectural decisions. \nEnsure solutions meet non-functional requirements including performance, scalability, security, and maintainability. \nProduce and govern high-quality architectural artefacts (diagrams, standards, reference architectures). \nLead design workshops and contribute to technical decision-making across projects. \nCollaboration & Technical Leadership\nWork closely with engineering, development, operations, and security teams to ensure alignment and successful delivery. \nProvide mentorship and technical leadership to Platform Engineers and wider engineering teams. \nPromote DevOps and SRE best practices across the organisation. \nEnable teams by defining clear platform capabilities, usage patterns, and self-service models. \nSecurity, Risk & Compliance\nEnsure secure-by-design principles are embedded in all platform architectures. \nGuide platform-level security controls, identity management, and compliance requirements. \nOversee vulnerability management strategies and platform hardening approaches. \nAlign platform design with regulatory and organisational compliance standards. \nWhat We’re Looking For\nWe value people who take ownership, think critically, and enjoy working as part of a collaborative team tackling complex challenges, we’re particularly interested in people with skills/experience in:\nExtensive experience designing and implementing platform architectures in Agile/DevOps environments. \nStrong expertise in Infrastructure as Code (Terraform, Ansible, ARM, DSC, or equivalent). \nDeep knowledge of CI/CD tooling and delivery patterns (GitLab CI/CD, Jenkins, GitHub Actions). \nExperience with containerisation and orchestration platforms (Docker, Kubernetes, Podman). \nStrong understanding of cloud and hybrid infrastructure (Azure, Azure Stack Hub, or similar). \nProficiency in scripting and automation (e.g., Python, PowerShell, Bash). \nExperience designing secure, scalable, and highly available systems. \nStrong documentation and communication skills, with the ability to produce clear architectural artefacts. \nAbility to influence, guide, and align multiple teams and stakeholders. \nAbout SiXworks\nSiXworks is a specialist digital innovation partner delivering secure, mission-critical technology to Defence and National Security organisations. We focus on digital experimentation, secure-by-design architecture, cloud technologies, and rapid application development to help our customers move faster and stay ahead of evolving challenges.\nOur team combines expertise from across technology, business, and operational backgrounds including the armed forces creating a collaborative environment where practical thinking and innovation thrive.\nWhy Join Us\nOur culture is guided by six principles: Agility, Security, Innovation, Quality, Collaboration and Inclusivityour North Star for how we work. SiXworks is a leading provider of secure digital solutions, specialising in digital experimentation and focused on fail-safe-fast cutting-edge technology solutions deployed in highly secure environments.\nAs an end-to-end digital innovation and delivery partner, we turn complex challenges into mission-critical digital advantages. This is a thrilling time for us, with ambitious plans for growth. We are looking for brilliant, experienced, driven and self-motivated people to join the team on our journey.\nWe offer competitive salaries and a package that supports your wellbeing and development, including 25 days annual leave + bank holidays, free Private Medical cover and Life Assurance, Generous pension (10% employer, 5% employee contribution), Bonus and Professional development and training support. In addition to secure parking, gym, café & restaurant on site and lots of open break out spaces.\nA word on UK Security Clearance\nDue to the secure nature of the position and working environment, you must have or be eligible to obtain Security Clearance. More details relating to UK Security Clearance can be found here:\nUnited Kingdom Security Vetting: clearance levels - GOV.UK (www.gov.uk)\nInterested?\nPlease apply!","description_format":"text","description_chars":5947,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Annual leave","Professional development"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-09-29T08:40:33Z"}],"liveness":{"score":18,"band":"cold","label":"Long shot","p_open":1,"p_active":0.399,"p_room":0.45,"age_days":48,"expected_fill_days":30,"reasons":["conf:13","stale_co","velocity","win:tail"],"computed_at":"2026-10-01T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/sixworks-platform-architect","json_url":"https://alion.io/job/sixworks-platform-architect.json","meta":{"generated_at":"2026-10-01T19:19:06Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":1841,"day_limit":5000,"remaining_today":3159,"minute_limit":60,"resets_at":"2026-10-02T00:00:00Z"}}}