{"id":1641623,"url":"https://alion.io/job/jane-street-windows-engineer","title":"Windows Engineer","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":77,"open_postings":174,"ghost_share":0.305,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":177,"computed_at":"2026-10-10T05:45:15Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","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":41000,"max_usd":89000,"period":"year","method":"role_country_seniority_unknown","sample_n":667},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Active Directory","optional":false},{"name":"C#","optional":false},{"name":"DNS","optional":false},{"name":"PowerShell","optional":false},{"name":"Python","optional":false},{"name":"Windows","optional":false},{"name":"Windows Server","optional":false}],"status":"live","first_seen_at":"2020-01-17T16:49:17Z","employer_posted_date":"2026-09-28","last_verified_at":"2026-10-10T23:36:35Z","board_verified":true,"closed_at":null,"days_open":2458,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":2457},"description":"About the Position\nWe are looking to hire a talented engineer to help run our internal Windows infrastructure. We are open to applicants with strong experience in areas such as infrastructure, applications, automation, and server or desktop operating systems in Windows environments. \nWindows is our primary desktop operating system, and many of our core infrastructure services are provided by Windows servers. Having these systems work correctly is key to meeting our business needs for performance and reliability.\nYou’ll work to improve, automate and standardise our Windows environment. Ideally this means you have experience scripting/programming in either PowerShell, Python or C#. All of our scripts are centrally managed and stored in an organised repository, where they are reviewed by team members and used by many teams across the firm.\nAs part of a global team, you will also collaborate with colleagues across the firm-locally and abroad-to develop new ideas, find and resolve issues, plan and execute deployments and document the results.\nThis position sits within our IT Engineering group, a highly dedicated team of engineers who monitor and manage a Windows environment across a physical/virtual computing landscape that spans three continents. Your analytical thinking and expertise will be invaluable as we support the daily work of our colleagues and keep our systems operating at the highest standard. \n About You\nWhile there’s no fixed set of skills required for this role (we can teach you what you need to know), here are some of the things we’re looking for:\nAdvanced experience with the inner workings of Microsoft Windows 10/11 or Microsoft Windows Server 2016/2019/2022\nExperience with using PowerShell (or Python, C#) to automate deployment, configuration and monitoring environments\nStrong working knowledge of Active Directory/Kerberos/DNS/Group Policy\nDemonstrated ability to troubleshoot Windows operating systems and applications\nExperience with hardware monitoring and performance tuning in physical or virtual environments\nAbility to solve complex problems in a fast-paced environment\nClear and concise communication skills; the ability to maintain a high degree of customer service for all queries\nA flexible, reliable and highly collaborative approach to your work\nFluency in English \nIf you're a recruiting agency and want to partner with us, please reach out to .","description_format":"text","description_chars":2438,"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":["Artificial Intelligence","Machine Learning","Financial AI"],"lifecycle":[{"event":"open","at":"2026-10-01T22:21:12Z"}],"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; Skilled Worker","cap_exempt":false,"checked_at":"2026-10-10T06:21:00+00:00","sources":["UK Home Office: register of licensed sponsors (workers)"],"filings_for_role_12m":0}],"liveness":{"score":2,"band":"cold","label":"Long shot","p_open":1,"p_active":0.054,"p_room":0.28,"age_days":2457,"expected_fill_days":177,"reasons":["conf:1","evergreen","velocity","ghost","win:tail","crowd:brand"],"computed_at":"2026-10-10T05:45:15Z"},"pay":null,"html_url":"https://alion.io/job/jane-street-windows-engineer","json_url":"https://alion.io/job/jane-street-windows-engineer.json","meta":{"generated_at":"2026-10-11T03:20:46Z","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":929,"day_limit":5000,"remaining_today":4071,"minute_limit":60,"resets_at":"2026-10-12T00:00:00Z"}},"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":7349},"rest":"https://alion.io/mcp/rest/get_company?id=7349"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fjane-street-windows-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%2Fjane-street-windows-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%2Fjane-street-windows-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/jane-street-windows-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fjane-street-windows-engineer"}]}