{"id":2177053,"url":"https://alion.io/job/optiver-network-engineer-2","title":"Network Engineer","company":{"id":54501,"name":"Optiver","domain":"optiver.com","url":"https://alion.io/company/optiver","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"C","score":68,"open_postings":144,"ghost_share":0.535,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-10T05:45:15Z"}},"role":"Networking","role_family":"Networking","seniority":"staff","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Sydney, Australia"],"countries":["AU"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":105000,"max_usd":245000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":164},"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Unix","optional":false}],"status":"live","first_seen_at":"2026-02-04T00:46:17Z","employer_posted_date":"2026-10-02","last_verified_at":"2026-10-11T20:04:56Z","board_verified":true,"closed_at":null,"days_open":249,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":249},"description":"WHO WE ARE\nOptiver is a global market maker founded in Amsterdam, with offices in London, Chicago, Austin, New York, Sydney, Shanghai, Hong Kong, Singapore, Taipei and Mumbai. Established in 1986, today we are a leading liquidity provider, with close to 2,000 employees in offices around the world, united in our commitment to improve the market through competitive pricing, execution and risk management. By providing liquidity on multiple exchanges across the world in various financial instruments we participate in the safeguarding of healthy and efficient markets. We provide liquidity to financial markets using our own capital, at our own risk, trading a wide range of products: listed derivatives, cash equities, ETFs, bonds and foreign currencies.\nOptiver’s Sydney office is one of the primary players within Asian markets, trading a range of products. Established in 1996, we're an active participant on the Hong Kong, Korea, Singapore, Taiwan and Japan exchanges, and act as Optiver’s APAChead office. \nWHAT YOU'LLDO \nOur engineers are directly responsible for the infrastructure underpinning all of Optiver's trading and non-trading activity in general, including office networks and a complex WAN environment. We are providing a reliable, fast and well supported network and Unix platform to run our core business on, this requires a good understanding of not only the technical network problem but also the broader business problem being solved. This team is successful when they are collaborating and solving complex problems with simple solutions and are constantly making optimizations in reliability, capacity, scalability and latency. Your responsibilities will include:\nSupport end-to-end infrastructure deployments in Asia Pacific data centers including but not limited to network and security platforms\n\nDrive research, innovation, and implementation of infrastructure capacity and reliability optimizations in our Infrastructure environment \n\nBuild, manage and support our complex international LAN/WAN & security environment using modern tooling in an IaC (Infrastructure as Code) environment\nCollaborate with developers, researchers and our hardware engineers on projects that require a stable and scalable platform to operate on \n\nAutomate, monitor, and benchmark our various networks and systems \n\nWHO YOU ARE\n10+ years of working experience as a senior network engineer or architect with proven on-box experience, designing, implementing and troubleshooting complex LANs and WANs.\n\nExperience designing, implementing and supporting Campus LANnetworks, ideally on Arista and Cisco products\n\nExperience in managing network systems using Infrastructure as code (IaC) methodology\nExperience working in a multi zone, multi tier firewall architecture across APAC\n\nExperience designing, implementing and supporting DCenvironments.\n\nExperience administrating Unix systems\n\nExperience in monitoring and managing diverse international WAN networks \n\nWHAT YOU'LL GET\nYou’ll join a culture of collaboration and excellence, where you’ll be surrounded by curious thinkers and creative problem solvers. Driven by a passion for continuous improvement, you’ll thrive in a supportive, high-performing environment alongside talented colleagues, working collectively to tackle some of the most complex problems in the financial markets.\nIn return for your expertise, you will be offered a competitive salary package as well as access to a range of Optiver perks, including:\nThe chance to work alongside best-in-class professionals\nCompetitive remuneration and additional leave entitlements\nTraining, mentorship and personal development opportunities\nGym membership plus weekly in-house chair massages\nDaily breakfast, lunch and an in-house barista\nRegular social events including a company trip every two years \nOptiver is committed to diversity and inclusion, and it is hardwired through every stage of our hiring process. We encourage applications from candidates from any and all backgrounds, and we welcome requests for reasonable adjustments during the process to ensure that you can best demonstrate your abilities.\nQuestions? Get in touch with the recruitment team at  takes the protection of your personal information seriously and is committed to keeping your personal information safe and confidential. For full details about how Optiver uses your personal information in our recruitment process, please see our Privacy Policy.\nI give permission to Optiver to contact me by email about Optiver roles, company updates, recruitment activities, and events relevant to my career. If you would prefer that we do not retain your personal information for this purpose please let us know by emailing us at .","description_format":"text","description_chars":4769,"description_truncated":false,"requirements":{"experience_years_min":10,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Gym membership"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Hedge Funds & Alternative Investments"],"lifecycle":[{"event":"open","at":"2026-10-09T14:11:55Z"}],"visa":[],"liveness":{"score":8,"band":"cold","label":"Long shot","p_open":1,"p_active":0.3,"p_room":0.28,"age_days":248,"expected_fill_days":37,"reasons":["conf:2","stale_co","ghost","win:tail","crowd:brand"],"computed_at":"2026-10-10T05:45:15Z"},"pay":null,"html_url":"https://alion.io/job/optiver-network-engineer-2","json_url":"https://alion.io/job/optiver-network-engineer-2.json","meta":{"generated_at":"2026-10-11T20:42:04Z","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_verified","counted_by":"address","units_charged":1,"used_today":9028,"day_limit":null,"remaining_today":null,"minute_limit":300,"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":54501},"rest":"https://alion.io/mcp/rest/get_company?id=54501"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Foptiver-network-engineer-2"},{"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%2Foptiver-network-engineer-2"},{"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%2Foptiver-network-engineer-2"},{"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/optiver-network-engineer-2\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Foptiver-network-engineer-2"}]}