{"id":594326,"url":"https://alion.io/job/janestreet-dev-network-analyst","title":"Network Analyst","company":{"id":7349,"name":"Jane Street","domain":"janestreet.com","url":"https://alion.io/company/jane-street","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":75,"open_postings":167,"ghost_share":0.341,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":147,"computed_at":"2026-10-31T05:58:55Z"}},"role":"Networking","role_family":"Networking","seniority":null,"employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["London, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":53000,"max_usd":121000,"period":"year","method":"role_country_seniority_unknown","sample_n":35},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"BGP","optional":false},{"name":"Linux","optional":false},{"name":"OSPF","optional":false},{"name":"Python","optional":false}],"status":"live","first_seen_at":"2025-03-05T16:57:58Z","employer_posted_date":"2026-10-19","last_verified_at":"2026-10-31T06:26:30Z","board_verified":true,"closed_at":null,"days_open":604,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":604},"description":"About the Position\nWe are looking for a Network Analyst who can provide support as our team builds automation and DevOps-driven solutions - encouraging creativity in leveraging AI wherever possible. \nOur global network infrastructure underpins a variety of traffic profiles, from fast-paced trading to broader internet connectivity. You’ll partner with our senior engineers and developers across the firm to enhance existing workflows, streamline processes and ensure that our network remains stable, secure and adaptable. \nWe seek candidates who enjoy solving complex problems and want to develop expertise in both operations and creative infrastructure engineering. A typical day in this role includes:\nProviding hands-on support to diagnose and resolve network issues across LAN, WAN and colocation environments\nWorking with project managers on site expansions, new market data feeds and connections to third-party services\nMaintaining and improving our monitoring and alert systems, with a strong emphasis on automation, AI integration and DevOps practices\nUsing scripting or development tools to reduce manual tasks, enhance network visibility and explore innovative AI-driven solutions\nThis position is an exciting chance to be directly mentored by experienced network engineers with cutting-edge hardware, protocols and DevOps tools. Your daily support will have a direct impact on our operational excellence and your contributions to automation, AI integration and tooling will define the future of our network. \nAbout You\nExperienced with operating and troubleshooting LAN/WAN networks\nFamiliar with common routing and switching protocols (e.g., OSPF, BGP, PIM-SM)\nAble to debug transport protocols (TCP/UDP)\nComfortable in Linux environments and have some programming or scripting knowledge\nEnthusiastic about automation (for instance, using Python or similar tools) to simplify network operations, and open to AI-powered optimisations\nEager to learn and adapt, creative and open to feedback\nStrong communicator; ready to interface with global teams and internal stakeholders\nOrganised and flexible, able to balance day-to-day support with longer-term projects\nHave a collaborative spirit and thrive in a hands-on, team-driven environment\nFluent in English\nHaving knowledge or hands-on experience with overlay networks such as EVPN or VxLAN is a plus\nIf you're a recruiting agency and want to partner with us, please reach out to .","description_format":"text","description_chars":2475,"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":[{"language":"English","level":"Advanced (C1)","optional":false}]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Hedge Funds & Alternative Investments"],"lifecycle":[{"event":"open","at":"2026-09-10T14:59:02Z"}],"visa":[{"country":"GB","licensed_sponsor":true,"evidence":"Licensed UK visa sponsor (Senior or Specialist Worker, Skilled Worker)","filings_12m":null,"filings_prev_12m":null,"green_card_filings_12m":null,"median_offered_wage_usd":null,"route":"Global Business Mobility: Senior or Specialist Worker; 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