{"id":42660,"url":"https://alion.io/job/lightning-ai-senior-network-engineer","title":"Senior Network Engineer","company":{"id":9002,"name":"Lightning AI","domain":"lightning.ai","url":"https://alion.io/company/lightning-ai","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"A","score":93,"open_postings":16,"ghost_share":0,"stale_share":0.063,"repost_share":0,"time_to_fill_p50_days":70,"computed_at":"2026-10-28T05:59:10Z"}},"role":"Networking","role_family":"Networking","seniority":"senior","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":[],"countries":[],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":180000,"max":225000,"currency":"USD","period":"year","gross":null,"usd_annual":225000},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"Ansible","optional":false},{"name":"BGP","optional":false},{"name":"HPC","optional":false},{"name":"InfiniBand","optional":false},{"name":"Linux","optional":false},{"name":"Python","optional":false},{"name":"PyTorch Lightning","optional":false},{"name":"Terraform","optional":false},{"name":"PyTorch","optional":true}],"status":"live","first_seen_at":"2026-06-04T15:49:07Z","employer_posted_date":"2026-09-28","last_verified_at":"2026-10-28T15:41:09Z","board_verified":true,"closed_at":null,"days_open":146,"trust":{"level":"ok","repost_count":0,"flags":[],"days_open":145},"description":"Who We Are\nLightning AI is the company behind PyTorch Lightning. Founded in 2019, we build an end-to-end platform for developing, training, and deploying AI systems-designed to take ideas from research to production with less friction.\nThrough our merger with Voltage Park, a neocloud and AI Factory, Lightning AI combines developer-first software with cost-efficient, large-scale compute. Teams get the tools they need for experimentation, training, and production inference, with security, observability, and control built in.\nWe serve solo researchers, startups, and large enterprises. Lightning AI operates globally with offices in New York City, San Francisco, Seattle, and London, and is backed by Coatue, Index Ventures, Bain Capital Ventures, and Firstminute.\nThe Way We Work\nThe people who thrive here are builders who move fast, communicate openly, take ownership, and continuously improve themselves, their teams, and our company. Here's what that looks like in practice:\nMove with Urgency: We move quickly, make thoughtful decisions, and keep momentum. We value action over perfection and learn by shipping.\nTake Ownership: We own outcomes, not just our individual work. We make decisions that move the company forward and follow through.\nCommunicate Openly: We communicate directly, seek to understand, and create clarity for others. Honest conversations help us move faster together.\nBuild Great Teams: We lead by example, empower others, and create healthy teams where people can do their best work.\nRaise the Bar: We're always improving ourselves. We learn from feedback, consistently challenge ourselves to grow, and focus on the work that matters most.\nThink Long-Term: We design for what's next. We create scalable systems, simplify complexity, and use AI and automation to amplify our impact.\nWhat We’re Looking For\nLightning AI is seeking a Senior Network Engineer with hands-on Cumulus Linux expertise to build and scale the network backbone behind our AI infrastructure platform. You’ll play a critical role in designing highly reliable, automated data center networks that support some of the most demanding AI workloads in the world.\nThis role is hybrid out of our San Francisco, Seattle, or NYC offices, fully remote within the U.S. All employees participate in occasional team and company offsites.\nWhat You'll Do\nDesign and deploy scalable spine/leaf network architectures for AI data centers\nEngineer high-performance Ethernet fabrics supporting GPU clusters and AI workloads\nBuild and maintain EVPN/VXLAN, BGP, and high-speed routing environments\nOptimize east-west traffic flows for AI training and inference operations\nSupport RoCE/RDMA networking and low-latency transport technologies\nSupport backbone, DCI, WAN, and edge connectivity solutions.\nCollaborate with compute, storage, AI platform, and operations teams to deliver integrated infrastructure solutions\nDevelop automation and Infrastructure-as-Code (IaC) solutions for network provisioning and operations\nTroubleshoot complex network, performance, and congestion issues across distributed environments\nImprove network observability, telemetry, and operational visibility\nYou have hands-on experience working with SONiC and Junos.\nExperience with cloud networking technologies including VPC’s, NFV, Direct Connect, Cloud Connect\nYou enjoy working with a small group of friendly, highly motivated, high-execution colleagues\nYou’re comfortable with a high degree of autonomy, can independently prioritize your work and understand how it maps to the overall needs and goals of the company\nYou’re knowledgeable in your domain but also enjoy wearing multiple hats and venturing outside of your comfort zone when the need arises\nYou value the ability to write well and understand the importance of good documentation\nWhat You’ll Need\nRequired Qualifications\nExperience with Cumulus NOS\n5+ years of experience in large-scale data center networking\nExperience in spine-leaf architectures and L3 fabrics\nExperience with BGP, EVPN, VXLAN\nExperience operating high-performance computing (HPC) or GPU-dense environments\nExperience designing networks for hyperscalers, neoclouds, or high-scale SaaS infrastructure\nExperience in automation with (Python, Ansible, Terraform, or similar)\nExperience with network observability tooling and telemetry pipelinesProven ability to design systems that scale to thousands of nodes\n\nStrong documentation and communication skills\nIdeal Experience\nFamiliarity with NVIDIA networking (Spectrum, Quantum, BlueField, etc.)\nFamiliarity with RDMA, RoCE, or InfiniBand fabrics\nExperience with multi-region backbone design\nExposure to bare-metal provisioning systems\nExperience working in high-growth infrastructure startups\nCompensation\nWe are committed to offering competitive compensation that reflects the value each team member brings to our mission. Final offers are based on factors such as experience, skills, geographic location, and role expectations. In addition to base salary, our total rewards package for eligible roles includes a discretionary bonus, a meaningful equity component, and comprehensive benefits.\nThe anticipated annual base salary range for this role is:\n$180,000—$225,000 USD\nBenefits and Perks\nWe offer a comprehensive and competitive benefits package designed to support our employees’ health, well-being, and long-term success:\nComprehensive Health Coverage: Medical, dental, and vision coverage for employees and eligible dependents.\nMeaningful Equity: RSUs that give employees a stake in the company's long-term success.\n Retirement Savings: 401(k) matching (U.S.) and pension contributions (U.K.).\nFlexible Time Off: Unlimited PTO, company holidays, and floating holidays to support work-life balance.\nCompany-Wide Winter Break: Two weeks of company closure each winter to disconnect and recharge.\nPaid Parental & Family Leave: Paid leave to support you and your family through life's important moments.\nProfessional Development: Annual learning and development allowance to support your professional growth.\nWellness Benefits: Wellness and work-from-home stipends to support your physical and mental well-being.\nSabbatical Program: Four weeks of paid sabbatical leave after four years of service.\nFlexible Work: Flexible schedules and a hybrid work model for our office-based teams.\n In-Office Meals: Complimentary meals at our office hubs.\nBenefits may vary by location, team, and role.\nAt Lightning AI, we are committed to fostering an inclusive and diverse workplace. We believe that diverse teams drive innovation and create better products. We provide equal employment opportunities to all employees and applicants without regard to race, color, religion, gender, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other protected characteristic. We are dedicated to building a culture where everyone can thrive and contribute to their fullest potential.","description_format":"text","description_chars":6948,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Equity","Flexible schedule","Flexible time off","Hybrid work","Office meals","Parental leave","Professional development","Unlimited PTO"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["MLOps","AI Compute & Inference","AI Development Tools"],"lifecycle":[{"event":"open","at":"2026-06-04T15:49:07Z"},{"event":"close","at":"2026-09-01T17:14:21Z"},{"event":"reopen","at":"2026-09-01T23:14:24Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 2","filings_12m":2,"filings_prev_12m":0,"green_card_filings_12m":0,"median_offered_wage_usd":152500,"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)"],"filings_for_role_12m":0}],"liveness":{"score":20,"band":"cold","label":"Long shot","p_open":1,"p_active":0.725,"p_room":0.28,"age_days":145,"expected_fill_days":70,"reasons":["conf:4","velocity","win:tail","crowd:"],"computed_at":"2026-10-28T05:59:10Z"},"pay":{"stated_usd_annual":225000,"is_top_pay":true},"html_url":"https://alion.io/job/lightning-ai-senior-network-engineer","json_url":"https://alion.io/job/lightning-ai-senior-network-engineer.json","meta":{"generated_at":"2026-10-28T18:27:50Z","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":25224,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-29T00:00:00Z"}},"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":9002},"rest":"https://alion.io/mcp/rest/get_company?id=9002"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Flightning-ai-senior-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%2Flightning-ai-senior-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%2Flightning-ai-senior-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/lightning-ai-senior-network-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Flightning-ai-senior-network-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":42660}},{"tool":"search_jobs","arguments":{"company":"lightning.ai","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":42660},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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