{"id":3200801,"url":"https://alion.io/job/hudson-river-trading-hpc-network-engineer","title":"HPC Network Engineer","company":{"id":58609,"name":"Hudson River Trading","domain":"hudsonrivertrading.com","url":"https://alion.io/company/hudson-river-trading","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":70,"open_postings":79,"ghost_share":0.506,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-25T05:49:26Z"}},"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":["Austin, United States","Chicago, United States","London, United Kingdom","New York, United States","Singapore"],"countries":["US","GB","SG"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":115000,"max_usd":232000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":134},"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Ansible","optional":false},{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"BGP","optional":false},{"name":"Configuration Management","optional":false},{"name":"GCP","optional":false},{"name":"HPC","optional":false},{"name":"Layer 2","optional":false},{"name":"OSPF","optional":false},{"name":"Tcpdump","optional":false},{"name":"Wireshark","optional":false},{"name":"GitHub","optional":true},{"name":"Grafana","optional":true},{"name":"Linux","optional":true},{"name":"Prometheus","optional":true},{"name":"Python","optional":true},{"name":"Unix","optional":true}],"status":"live","first_seen_at":"2025-09-12T13:26:57Z","employer_posted_date":"2026-10-01","last_verified_at":"2026-10-26T01:32:57Z","board_verified":true,"closed_at":null,"days_open":408,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":407},"description":"Hudson River Trading’s High Performance Computing (HPC) Network Engineering team designs and engineers the low-latency communications infrastructure that underpins our incredibly large GPU and CPU compute clusters. Our mandate is to architect, optimize, and scale the high-performance LAN and WAN infrastructure that interconnects globally distributed, large-scale on-prem data centers, enabling them to grow rapidly and operate at peak performance in support of HRT’s demanding computational workloads. \nWe are looking for a Network Engineer with deep experience in designing, deploying, and scaling networks for large-scale HPC environments. You will be building the next generation of infrastructure required by a premier algorithmic trading firm operating at the forefront of technology and finance.\nThis position requires deep technical skills, along with the product leadership and vision needed for the future of cloud-scale networking. You’ll have broad responsibilities and freedom to analyze and solve problems, and your solutions will have an immediate impact on our operations worldwide. We’re looking for someone who loves technology and is excited about tackling big picture problems. You will work on a wide variety of projects to enhance the performance and capacity of the network and contribute to both the management and the technical nitty-gritty of our computing architecture. Our people and our compute capabilities are our two most important differentiators, and that is where we are investing the most.\nResponsibilities\nNetwork design, product selection, routing, configuration and troubleshooting\nClosely work with our HPC Systems team, as well as other teams to scale our research environment \nMeet with external parties for project related items as well as future endeavors\nOverall capacity planning for the data center networks\nDevelop scripts and processes to increase efficiency\nCollaborate with others in the network team to solve cross discipline problems\nProvide detailed documentation \nMentor others as a senior resource \nProfile\n10+ years of relevant experience\nProven ability to prioritize workloads and manage implementation schedules with a meticulous attention to detail \nProactive problem-solver with the technical skills and hands-on mentality to tackle challenges in the field.\nStrong collaboration skills and a focus on continuous improvement, with the humility to own and learn from mistakes \nSkills\nExcellent oral and written communication skills: able to distill complicated issues into clear and concise terms\nAble to create and maintain clear and effective technical documentation\nIn depth understanding of common layer 2 and layer 3 network protocols (OSPF, BGP, PIM, IGMP, RoCEv2, spine-leaf architecture, and VXLAN) and best practices for them\nProven ability to select and work with vendors to engineer switches for next-generation computing environments\nExperience managing Arista (EOS), Cisco (NX-OS), Nvidia (Cumulus) and SONiC-based switches, as well as an interest in exploring new platforms\nStrong design skills in computing and grid networks, with expertise in capacity planning, and full lifecycle project management\nExperience with packet decoding and analysis tools such as tcpdump and Wireshark\nExperience with public cloud networks, such as AWS, GCP, Azure\nFamiliarity with configuration management tools, such as Ansible or Salt is desirable to support zero-touch network management\nFamiliarity with Python, Prometheus, Grafana, ELK, GitHub is desirable\nUnderstanding of basic power consumption and cooling issues in a data center environment\nKnowledge of fiber optics technology and cabling standards ranging from 1 to 800 Gbps. Ability to sort through specs and make recommendations on appropriate purchases.\nSkilled in Unix/Linux command line utilities and networking stack\nExperience with AI style network designs and workloads is preferred\nThe estimated base salary range for this position is 200,000 to 300,000 USD per year (or local equivalent). The base pay offered may vary depending on multiple individualized factors, including location, job-related knowledge, skills, and experience. This role will also be eligible for discretionary performance-based bonuses and a competitive benefits package.\nCulture\nHudson River Trading (HRT) brings a scientific approach to trading financial products. We have built one of the world's most sophisticated computing environments for research and development. Our researchers are at the forefront of innovation in the world of algorithmic trading.\nAt HRT we welcome a variety of expertise: mathematics and computer science, physics and engineering, media and tech. We’re a community of self-starters who are motivated by the excitement of being at the cutting edge of automation in every part of our organization-from trading, to business operations, to recruiting and beyond. We value openness and transparency, and celebrate great ideas from HRT veterans and new hires alike. At HRT we’re friends and colleagues - whether we are sharing a meal, playing the latest board game, or writing elegant code. We embrace a culture of togetherness that extends far beyond the walls of our office.\nFeel like you belong at HRT? Our goal is to find the best people and bring them together to do great work in a place where everyone is valued. HRT is proud of our diverse staff; we have offices all over the globe and benefit from our varied and unique perspectives. HRT is an equal opportunity employer; so whoever you are we’d love to get to know you.\nPlease be advised: Use of AI tools by an applicant during interviews or assessments is strictly prohibited, unless otherwise instructed or agreed upon. We employ various methods to evaluate the authenticity of candidate responses. If we determine that AI assistance was used by an applicant during an interview or an assessment, we reserve the right to immediately end the interview or assessment, disqualify the applicant’s candidacy and/or rescind any job offers extended.\nYou can review our Global Applicant Privacy Notice, which explains how we process applicant information.","description_format":"text","description_chars":6133,"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":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Hedge Funds & Alternative Investments"],"lifecycle":[{"event":"open","at":"2026-10-24T08:19:04Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 44 · green card filings: 22","filings_12m":44,"filings_prev_12m":30,"green_card_filings_12m":22,"median_offered_wage_usd":194167,"route":null,"cap_exempt":false,"checked_at":"2026-10-15T11:24:14+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":3}],"liveness":{"score":8,"band":"cold","label":"Long shot","p_open":1,"p_active":0.3,"p_room":0.28,"age_days":407,"expected_fill_days":36,"reasons":["conf:2","stale_co","ghost","win:tail","crowd:"],"computed_at":"2026-10-25T05:49:26Z"},"pay":null,"html_url":"https://alion.io/job/hudson-river-trading-hpc-network-engineer","json_url":"https://alion.io/job/hudson-river-trading-hpc-network-engineer.json","meta":{"generated_at":"2026-10-26T03:20:33Z","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":4428,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-27T00:00:00Z"}},"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":58609},"rest":"https://alion.io/mcp/rest/get_company?id=58609"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fhudson-river-trading-hpc-network-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%2Fhudson-river-trading-hpc-network-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%2Fhudson-river-trading-hpc-network-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/hudson-river-trading-hpc-network-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fhudson-river-trading-hpc-network-engineer"}]}