{"id":3217580,"url":"https://alion.io/job/cgi-network-engineer-dv-security-clearance","title":"Network Engineer (DV Security Clearance)","company":{"id":1063,"name":"CGI","domain":"cgi.com","url":"https://alion.io/company/cgi","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Welcome to the Jungle","truth_index":{"grade":"A","score":100,"open_postings":6,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":18,"computed_at":"2026-10-26T05:57:25Z"}},"role":"Networking","role_family":"Networking","seniority":null,"employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["France"],"countries":["FR"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":32000,"max_usd":67000,"period":"year","method":"role_country_seniority_unknown","sample_n":71},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Ansible","optional":false},{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"Bash","optional":false},{"name":"GCP","optional":false},{"name":"Linux","optional":false},{"name":"Proxmox VE","optional":false},{"name":"Python","optional":false},{"name":"Red Hat","optional":false}],"status":"live","first_seen_at":"2026-10-24T20:00:14Z","employer_posted_date":null,"last_verified_at":"2026-10-24T20:00:14Z","board_verified":false,"closed_at":null,"days_open":1,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":1},"description":"At CGI, you’ll help build and maintain secure, resilient infrastructure that enables critical programmes to succeed. As a Senior Network Engineer, you’ll take ownership of networking environments from installation and configuration through to ongoing optimisation, applying your expertise across Linux, automation and cloud technologies. You’ll have the freedom to solve complex infrastructure challenges creatively, contribute to both on-site and off-site builds, and help shape practical solutions that deliver lasting value. Working alongside a collaborative community of CGI experts, you’ll be supported in expanding your capabilities across networking, systems and cloud while making a tangible contribution to secure, high-impact client environments.\n\nCGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named a UK ‘Best Employer’ by the Financial Times. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a CGI Partner not just an employee. We are committed to inclusivity, building a genuinely diverse community of tech talent and inspiring everyone to pursue careers in our sector, including our Armed Forces, and are proud to hold a Gold Award in recognition of our support of the Armed Forces Corporate Covenant. Join us and you’ll be part of an open, friendly community of experts. We’ll train and support you in taking your career wherever you want it to go.\n\nDue to the secure nature of the programme, you will need to hold UK Security Clearance or be eligible to go through this clearance. This is a role that requires you to be on site in London 5 days a week.Profil recherché\nIn this role, you will take ownership of installing, configuring and maintaining secure networking infrastructure and the environments that support it. You’ll apply your networking and systems expertise to build reliable infrastructure both on and off site, troubleshoot issues and identify opportunities to improve performance, resilience and security.\n\nYou’ll have scope to develop creative approaches to automation using Python, Bash and Ansible, while working across Linux systems and cloud platforms. Supported by CGI colleagues and working collaboratively with programme stakeholders, you’ll also contribute to infrastructure planning and procurement activities to help ensure the right solutions are delivered successfully.\n\n• Build & Configure: Install and configure secure networking infrastructure across programme environments.\n\n• Maintain & Optimise: Support reliable, secure and high-performing network and infrastructure environments.\n\n• Automate & Improve: Use Python, Bash and Ansible to streamline infrastructure and operational activities.\n\n• Administer & Support: Manage Linux-based systems and support virtualisation environments including Proxmox.\n\n• Enable Cloud: Apply networking and infrastructure knowledge across AWS, Azure and GCP environments.\n\n• Troubleshoot & Resolve: Diagnose infrastructure and networking issues and implement effective solutions.\n\n• Plan & Deliver: Build infrastructure on and off site and contribute to associated procurement activities.\n\n• Collaborate & Contribute: Work with CGI experts and programme stakeholders to deliver secure, effective solutions.\n\nRequired qualifications to be successful in this role\n\nYou’ll bring strong networking fundamentals at approximately CCNA level, combined with practical network security and infrastructure experience. You should be comfortable administering Linux environments, using scripting and automation technologies, and working with major cloud platforms. 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