{"id":1804140,"url":"https://alion.io/job/capgemini-packet-core-test-engineer","title":"Packet Core Test Engineer","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":75,"open_postings":915,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":23,"computed_at":"2026-10-05T05:45:15Z"}},"role":"QA","role_family":"QA","seniority":null,"employment_type":"contractor","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":42000,"max_usd":94000,"period":"year","method":"role_country_seniority_unknown","sample_n":45},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"BGP","optional":false},{"name":"DHCP","optional":false},{"name":"DNS","optional":false},{"name":"Docker","optional":false},{"name":"Kubernetes","optional":false},{"name":"Linux","optional":false},{"name":"Rest API","optional":false},{"name":"Wireshark","optional":false}],"status":"live","first_seen_at":"2026-07-24T14:32:39Z","employer_posted_date":"2026-10-03","last_verified_at":"2026-10-05T23:34:02Z","board_verified":true,"closed_at":null,"days_open":73,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":73},"description":"Your role\nWe are looking for Packet Core Test Engineer iwho will be responsible for assuring the quality, stability, and readiness of the containerized Packet Core for deployment into live service. The role involves testing, validating, and integrating new software releases and design changes, identifying and mitigating risks, and working closely with stakeholders and vendors to enable a smooth, reliable delivery into operations.\nIn this role you will play a key role in:\nManage and support the acceptance and integration of software releases of Containerized Mobile Packet Core through the test cycle.\nTest Management, Risk Mitigation, Platform Validation and Stakeholder Communication\nYour profile\nExperience in Integration and/or Test for Mobile Telecoms Packet Core platforms (2G, 3G, 4G, 5G) - preferably Containerized (Docker, Kubernetes) and Cloud-native\nComprehensive knowledge of Packet Core components and functionality (SGSN, MME, SGW, PGW, EPDG, DNS, AMF, SMF, UPF).\nHands-on experience with testing, packet capture, and diagnostics tools: Wireshark, Infovista Ativa or equivalents\nGood understanding of Linux, Container, and Cloud-native technologies: Docker, Kubernetes, orchestration, and automation.\nProficiency in networking protocols and procedures:\nCore Signalling Protocols: GTPv1/v2, NGAP, Diameter, PFCP, SBI (including HTTP/2, REST/JSON, OpenAPI)\nTraffic and Transport: IP (IPv4/IPv6), UDP, TCP, SCTP, GRE\nQuality of Service and Policy: 5G QoS Flow, QFI, PCC (Policy and Charging Control), PCF, SMF, UPF policy enforcement\nMobility and Session Procedures: Attach, Detach, Registration, Handover, Session Establishment, Modification, and Release (GTP, NGAP, PFCP messages)\nSecurity: IPsec, Encryption, Authentication, Security Associations, Certificates (TLS)\nManagement and Orchestration: NETCONF, REST, YANG models, ETSI MANO, Kubernetes API, Docker, Container Network Interface (CNI)\nOther Supporting Protocols: DNS, DHCP, ARP, NTP, BGP, SFTP/FTP, SNMP\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. \nThis is fixed term role for 6 months. This role requires 3 days/week office presence based in Slough.\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. The Group reported 2025 global revenues of €22.5 billion.\nMake it real | www.capgemini.com","description_format":"text","description_chars":3810,"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":["Equity"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Cybersecurity","Government","Science & Engineering","Research Institutes"],"lifecycle":[{"event":"open","at":"2026-10-03T18:53:24Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 2,076 · green card filings: 82","filings_12m":2076,"filings_prev_12m":2803,"green_card_filings_12m":82,"median_offered_wage_usd":132120,"route":null,"cap_exempt":false,"checked_at":"2026-10-03T21:08:04+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)","US Department of Labor: PERM disclosure data (green cards)"],"filings_for_role_12m":340},{"country":"CA","licensed_sponsor":true,"evidence":"Positions approved through LMIA in 12 months: 11","filings_12m":11,"filings_prev_12m":10,"green_card_filings_12m":null,"median_offered_wage_usd":null,"route":"Global Talent Stream; High Wage","cap_exempt":false,"checked_at":"2026-10-03T21:10:52+00:00","sources":["ESDC: employers issued a positive LMIA"],"filings_for_role_12m":0},{"country":"GB","licensed_sponsor":true,"evidence":"Licensed UK visa sponsor (Graduate Trainee, Skilled Worker, Senior or Specialist Worker)","filings_12m":null,"filings_prev_12m":null,"green_card_filings_12m":null,"median_offered_wage_usd":null,"route":"Global Business Mobility: Graduate Trainee; Skilled Worker; Global Business Mobility: Senior or Specialist Worker","cap_exempt":false,"checked_at":"2026-10-03T21:09:13+00:00","sources":["UK Home Office: register of licensed sponsors (workers)"],"filings_for_role_12m":0}],"liveness":{"score":6,"band":"cold","label":"Long shot","p_open":1,"p_active":0.209,"p_room":0.28,"age_days":72,"expected_fill_days":23,"reasons":["conf:0","stale_co","velocity","win:tail","crowd:brand"],"computed_at":"2026-10-05T05:45:15Z"},"pay":null,"html_url":"https://alion.io/job/capgemini-packet-core-test-engineer","json_url":"https://alion.io/job/capgemini-packet-core-test-engineer.json","meta":{"generated_at":"2026-10-06T00:18:17Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":361,"day_limit":5000,"remaining_today":4639,"minute_limit":60,"resets_at":"2026-10-07T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":145},"rest":"https://alion.io/mcp/rest/get_company?id=145"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fcapgemini-packet-core-test-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fcapgemini-packet-core-test-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fcapgemini-packet-core-test-engineer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/capgemini-packet-core-test-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fcapgemini-packet-core-test-engineer"}]}