{"id":914890,"url":"https://alion.io/job/arcadis-security-architect","title":"Security Architect","company":{"id":48386,"name":"Arcadis","domain":"arcadis.com","url":"https://alion.io/company/arcadis","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Eightfold","truth_index":{"grade":"C","score":59,"open_postings":465,"ghost_share":0.482,"stale_share":0.017,"repost_share":0.781,"time_to_fill_p50_days":49,"computed_at":"2026-10-16T05:45:00Z"}},"role":"Security","role_family":"Security","seniority":"staff","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":99000,"max_usd":172000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":9},"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Platform Engineering","optional":false},{"name":"Shift-Left","optional":false},{"name":"Shift-Left Security","optional":false},{"name":"Threat Modeling","optional":false}],"status":"live","first_seen_at":"2026-06-01T11:19:45Z","employer_posted_date":"2026-09-14","last_verified_at":"2026-10-17T01:18:50Z","board_verified":true,"closed_at":null,"days_open":137,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":137},"description":"Arcadis is the world's leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets. We are more than 34,000 people, in over 30 countries, dedicated to improving quality of life. Everyone has an important role to play. With the power of many curious minds, together we can solve the world’s most complex challenges and deliver more impact together.\nRole description:\nThe Tech Security Architect will define and govern secure, resilient technology architecture for the Technology Function, translating business drivers and risk priorities into scalable, future-ready infrastructure and operational security solutions. This role ensures platforms are secure by design, aligned to business outcomes, and sustainable, while managing risk, complexity and long-term service quality.\nRole accountabilities:\nTranslate business and technology strategy into architectural principles, reference models and future-state roadmaps. \nDesign enterprise-wide infrastructure and platform architecture spanning on-prem, hybrid, multi-cloud, data centres, AI/ML foundations, edge and emerging technologies. \nEnsure interoperability, scalability, maintainability, performance and resilience across the IT estate. \nDefine and enforce non-negotiable architecture standards, controls and guardrails. \nEmbed “secure by design” and resilience principles into all technology designs. \nGovern adherence to architecture through reviews, patterns and design assurance. \nLead gap analyses between current and future states. \nDefine migration and modernisation plans aligned to business priorities. \nAssess infrastructure readiness for AI workloads and data-intensive platforms. \nEmbed AI-driven infrastructure and automation approaches where appropriate. \nPartner with Enterprise Architecture, Solution and Domain Architects to ensure alignment across programmes and platforms. \nEngage with business, security, SOC, risk, legal, vendors and DevOps teams to balance requirements, constraints and opportunities. \nProvide architectural direction, coaching and mentoring to uplift capability. \nIdentify and assess architectural risk across platforms, integrations, data flows and infrastructure landscapes. \nProvide clear, evidence-based trade-off recommendations balancing speed, cost, risk, scalability and long-term sustainability. \nPrevent unnecessary complexity by enforcing architectural standards and reducing duplication across technology towers. \nEmbed security into DevOps and platform engineering (shift-left and continuous validation). \nDefine threat modelling, detection engineering and secure runbook expectations. \nEnable continuous threat exposure management (CTEM) across infrastructure and applications. \nDeliver a coherent, secure and resilient global technology architecture. \nAlign technology roadmaps to business outcomes and operational needs. \nReduce technical debt and unmanaged complexity across the IT estate. \nAccountable for the health, safety, and wellbeing (HSW) of their teams, and expected to demonstrate stewardship and care in all aspects of their role. This includes championing an ambitious, people-first culture within Technology by setting clear HSW expectations, leading by example, empowering and engaging employees, and communicating openly. \nLeaders should recognize safe behaviors and foster a caring, One Team ethos-where everyone feels empowered to take responsibility, speak up, and return home unharmed, both physically and psychologically. \nQualifications & Experience:\n8+ years’ experience in security related architecture. \nProven track record defining and implementing enterprise architecture strategy across multiple technology towers, including applications, data, infrastructure, and security. \nStrong expertise in integration design, master data architecture, and interoperability frameworks. \nDeep understanding of secure, resilient technology architecture and the translation of business drivers and risk priorities into scalable, future-ready infrastructure and operational security solutions. \nExperience defining and enforcing non-negotiable architecture standards, controls and guardrails, and embedding secure by design and resilience principles into technology designs. \nStrong knowledge of security architecture across platforms, integrations, data flows and infrastructure landscapes, including threat modeling, detection engineering and secure runbook expectations. \nExperience enabling continuous threat exposure management across infrastructure and applications and embedding security into DevOps and platform engineering. \nStrong stakeholder management and influencing skills, with the ability to partner effectively with Enterprise Architecture, Solution and Domain Architects, Cybersecurity and SOC, Risk, Legal and Compliance, vendors, and Data, Platform and Product or DevOps teams. \nStrong analytical judgment and trade-off management capability, balancing speed, cost, risk, scalability, and long-term sustainability. \nLeadership style that empowers Arcadians, promotes accountability and continuous improvement, and supports a healthy, inclusive and high engagement culture aligned to the Arcadis Leadership profile of being curious, driving success and igniting passion. \nDegree level education in cybersecurity, computer science, information systems, software engineering or a related field, or equivalent practical experience. \nAdvanced degree preferred such as a Master’s in cybersecurity, information security, computer science or a related field, or equivalent senior-level experience in complex global organizations. \nWhy Arcadis?\nWe can only achieve our goals when everyone is empowered to be their best. We believe everyone's contribution matters. It’s why we are pioneering a skills-based approach, where you can harness your unique experience and expertise to carve your career path and maximize the impact we can make together.\nYou’ll do meaningful work, and no matter what role, you’ll be helping to deliver sustainable solutions for a more prosperous planet. Make your mark, on your career, your colleagues, your clients, your life and the world around you.\nTogether, we can create a lasting legacy.\nJoin Arcadis. Create a Legacy.\nOur Commitment to Equality, Diversity, Inclusion & Belonging\nWe want you to be able to bring your best self to work every day which is why equality and inclusion is at the forefront of all our activities. Our ambition is to be an employer of choice and provide a great place to work for all our people. We are an equal opportunity employer; women, minorities, and people with disabilities are strongly encouraged to apply. 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