{"id":3718168,"url":"https://alion.io/job/vailexa-sr-ethernet-ai-network-engineer","title":"Sr Ethernet AI Network Engineer","company":{"id":4417762,"name":"VAILEXA","domain":"vailexa.com","url":"https://alion.io/company/vailexa","size_band":null,"is_staffing_agency":true,"employer_type":"agency","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":75,"open_postings":6,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-11-08T05:47:12Z"}},"role":"AI/ML","role_family":"AI/ML","seniority":"senior","employment_type":null,"work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Santa Clara, United States","Plano, United States"],"countries":["US"],"hiring_countries":["US"],"hiring_countries_total":1,"salary":null,"salary_estimate":null,"experience_years_min":7,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"BGP","optional":false},{"name":"HPC","optional":false},{"name":"Linux","optional":false},{"name":"Grafana","optional":true},{"name":"Prometheus","optional":true}],"status":"live","first_seen_at":"2026-11-03T21:19:40Z","employer_posted_date":"2026-11-03","last_verified_at":"2026-11-08T22:08:10Z","board_verified":true,"closed_at":null,"days_open":5,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":5},"description":"Build More Than Just a Career. Build Your Future.\nAt Vailexa, we’re not just hiring - we’re building thinkers, creators, and future leaders.\nWe believe in giving people the space to grow, the freedom to think, and the opportunity to create real impact from day one. If you’re someone who wants to learn fast, take ownership, and grow beyond limits, you’ll feel right at home here.\nKey Responsibilities\nDeploy, validate, and support Ethernet fabrics used for AI and HPC cluster environments.\nTroubleshoot L1 through L4 issues involving optics, transceivers, cabling, link bring-up, VLANs, MLAG, ECMP, BGP, underlay/overlay reachability, congestion, and packet loss.\nValidate network readiness for distributed training and large east-west traffic patterns.\nDiagnose performance issues related to buffer pressure, microbursts, PFC behavior, QoS policy, MTU mismatch, routing instability, and oversubscription.\nWork closely with Linux, storage, and cluster deployment teams to isolate host-versus-network fault domains.\nReview and execute change plans for switch provisioning, firmware upgrades, topology expansion, and maintenance events.\nCapture packet-level and counter-based evidence to drive root cause analysis.\nBuild operational standards for cable mapping, port policy consistency, and fabric health validation.\nRequired Qualifications\n7+ years in large-scale data center networking, including high-bandwidth Ethernet fabrics.\nStrong experience with spine-leaf design, routing, switching, and production troubleshooting.\nHands-on skill with BGP, EVPN/VXLAN, MLAG, ECMP, QoS, PFC, RoCE considerations, and telemetry interpretation.\nExperience validating optics, breakout configurations, cable plant integrity, and port-level consistency.\nProven ability to troubleshoot distributed application impact caused by network behavior.\nComfort using switch CLI, automation tooling, and packet/counter analysis workflows.\nStrong documentation habits for topology, incident timelines, and remediation plans.\nPreferred Qualifications\nDirect experience with AI fabrics carrying large-scale GPU collective traffic.\nFamiliarity with SONiC, Cumulus Linux, or vendor NOS platforms used in AI data centers.\nExperience with streaming telemetry, Prometheus/Grafana, and network SRE operating models.\nVailexa Technology is an equal opportunity employer. We consider all qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other protected status under applicable law.\nReady to take the next step?\nIf you’re excited about this role and ready to grow with a team that values ambition, ideas, and impact - we’d love to hear from you.\nApply now and start building your journey with Vailexa.","description_format":"text","description_chars":2777,"description_truncated":false,"requirements":{"experience_years_min":7,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-11-04T01:36:53Z"}],"visa":[{"country":"US","licensed_sponsor":true,"adverts_offering_sponsorship_24m":0,"sanctioned_now":false,"evidence":"H-1B filings in 12 months: 7","filings_12m":7,"filings_prev_12m":0,"green_card_filings_12m":0,"median_offered_wage_usd":67500,"route":null,"cap_exempt":false,"checked_at":"2026-11-08T10:45:15+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)"],"filings_for_role_12m":0}],"liveness":{"score":54,"band":"ok","label":"Likely open","p_open":1,"p_active":0.542,"p_room":1,"age_days":4,"expected_fill_days":30,"reasons":["conf:3","agency","velocity","win:early"],"computed_at":"2026-11-08T05:47:12Z"},"pay":null,"html_url":"https://alion.io/job/vailexa-sr-ethernet-ai-network-engineer","json_url":"https://alion.io/job/vailexa-sr-ethernet-ai-network-engineer.json","meta":{"generated_at":"2026-11-09T00:44:29Z","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":1624,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-10T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"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":4417762},"rest":"https://alion.io/mcp/rest/get_company?id=4417762"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fvailexa-sr-ethernet-ai-network-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":2,"usd":0.2},"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%2Fvailexa-sr-ethernet-ai-network-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"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%2Fvailexa-sr-ethernet-ai-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/vailexa-sr-ethernet-ai-network-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fvailexa-sr-ethernet-ai-network-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3718168}},{"tool":"search_jobs","arguments":{"company":"vailexa.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3718168},"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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