{"id":2495858,"url":"https://alion.io/job/capgemini-network-security-architect-nsa","title":"Network & Security Architect (NSA)","company":{"id":145,"name":"Capgemini","domain":"capgemini.com","url":"https://alion.io/company/capgemini","size_band":"5000+","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Career site","truth_index":{"grade":"B","score":81,"open_postings":1799,"ghost_share":0,"stale_share":0.767,"repost_share":0.001,"time_to_fill_p50_days":27,"computed_at":"2026-10-14T06:34:16Z"}},"role":"Security","role_family":"Security","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":["Abingdon, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":70000,"max_usd":123000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":9},"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"DHCP","optional":false},{"name":"DNS","optional":false},{"name":"VPN","optional":false},{"name":"Zero Trust","optional":false}],"status":"live","first_seen_at":"2026-10-09T12:35:10Z","employer_posted_date":"2026-10-14","last_verified_at":"2026-10-15T01:23:32Z","board_verified":true,"closed_at":null,"days_open":5,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":5},"description":"Your role\nCapgemini Engineering looking for an experienced Network & Security Architect (NSA) to design and deliver end-to-end network and security architecture solutions aligned with customer business and technology objectives.\nThe role works closely with customers, delivery teams, vendors, and key stakeholders to define target architecture, provide technical leadership, and ensure that security, compliance, resilience, and operational requirements are addressed.\nIn this role you will play a key role in:\nNetwork & Security Architecture\nEnterprise Networking & Cloud Connectivity\nSolution Design, Transformation & Delivery\nPre-sales & Customer Engagement\nTechnical Governance & Leadership\nYour profile\n10+ years of experience in enterprise networking, security, infrastructure, or solution architecture.\n5+ years of experience in network and security architecture roles\nStrong enterprise networking architecture experience across LAN, WAN, WLAN, routing, switching, DNS, DHCP, IP addressing, load balancing, and high availability.\nStrong security architecture experience across firewalls, segmentation, VPN, secure access, network access control, web security, and intrusion prevention.\nHands-on architecture experience with SD-WAN, SASE, Zero Trust Network Access, cloud security, and hybrid-cloud connectivity.\nGood understanding of Azure and/or AWS networking, including virtual networks, connectivity gateways, private connectivity, routing, and security controls.\nExperience designing resilient, scalable, and secure solutions for complex enterprise environments.\nAbility to produce architecture artefacts, HLDs, LLDs, migration designs, technology standards, and roadmaps.\nKnowledge of automation, infrastructure as code, observability, network management, and service assurance is desirable.\nIf you're excited about this role but don’t meet every requirement, we still encourage you to apply, your unique experience could be just what we need.\nMake it real - what does it mean for you?\nOpen access to digital learning platforms\nActive employee networks promoting diversity, equity and inclusion like OutFront, CapAbility or Women@Capgemini\nCapgemini is proud to be a Disability Confident Employer (Level 2) under the UK Government’s Disability Confident scheme. As part of our commitment to inclusive recruitment, we will offer an interview to all candidates who:\nDeclare they have a disability, and \nMeet the minimum essential criteria for the role.\nPlease opt in during the application process.\nCapgemini. Make it real.\nNeed to know\nAll roles will require a level of security clearance; BPSS OR Security ClearanceOR Developed Vetting. \nYou can bring your whole self to work. At Capgemini building an inclusivefuture is part of everyday life and will be part of your working reality. We havebuilt a representative and welcoming environment, for everyone.\nAbout Capgemini\nCapgemini is an AI-powered global business and technology transformation partner, delivering tangible business value. We imagine the future of organisations and make it real with AI, technology and people. With our strong heritage of nearly 60 years, we are a responsible and diverse group of over 420,000 team members in more than 50 countries. We deliver end-to-end services and solutions with our deep industry expertise and strong partner ecosystem, leveraging our capabilities across strategy, technology, design, engineering and business operations. 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