{"id":700092,"url":"https://alion.io/job/nxtkey-senior-network-engineer","title":"Senior Network Engineer","company":{"id":721866,"name":"Nxtkey","domain":"nxtkey.ai","url":"https://alion.io/company/nxtkey-2","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SmartRecruiters","truth_index":{"grade":"B","score":75,"open_postings":5,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-31T05:58:55Z"}},"role":"Networking","role_family":"Networking","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Woodbridge, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":110000,"max":160000,"currency":"USD","period":"year","gross":null,"usd_annual":160000},"salary_estimate":null,"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"BGP","optional":false},{"name":"Linux","optional":false},{"name":"Python","optional":false},{"name":"OSPF","optional":true}],"status":"live","first_seen_at":"2026-01-16T21:43:27Z","employer_posted_date":"2026-01-16","last_verified_at":"2026-10-31T13:19:46Z","board_verified":true,"closed_at":null,"days_open":287,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":287},"description":"NXTKey Corporation has been delivering Information Technology, Information management, Information Assurance (IA) and cybersecurity solutions to US Federal Government and Commercial Clients since 2005.\n We are searching for a Senior Network Engineer to support our work for the National Center for Biotechnology Information (NCBI) at the National Library of Medicine (NLM), an institute of the National Institutes of Health. This opportunity is full time and onsite at the NIH-NCBI in Bethesda, MD with option for some remote work.\nReady to build the future of hybrid onprem and cloud networking? We're seeking a Senior Network Engineer with a passion for designing and deploying high-performance networks. If you have deep expertise with Arista EOS and CloudVision, and a proven track record of modernizing legacy infrastructure, you're exactly who we're looking for. In this role, you won't just maintain networks; you'll be a technical leader, driving innovation and shaping our network architecture. You'll work with the latest technologies like Spine-and-Leaf, VxLAN, EVPN, and BGP, and use your Python scripting skills to automate everything you can. This is your chance to be a key contributor to a critical scientific mission to improve health and advance medical breakthroughs.\nDuties & Responsibilities:\nArchitect and Deploy: Design and implement cutting-edge, high-performance network architectures, with a focus on Spine-and-Leaf designs.\n\nMaster Arista: Leverage your deep knowledge of Arista's Extensible Operating System (EOS) and CloudVision platform.\n\nManage F5: Configure and maintain F5 BIG-IP platforms, including virtual servers, pools, and iRules.\n\nAutomate Everything: Use Python and other Linux tools to automate network management and streamline operations.\n\nLead the Way: Act as a technical leader, mentoring team members, handling complex issues, and serving as a subject matter expert.\n\nModernize and Support: Evolve our legacy networks for cloud-native environments and provide expert support to resolve complex network issues.\n\nLoad Balanced Application Delivery: Implement load balancing strategies (e.g., round robin, least connections) to optimize application performance and ensure high availability.\n\nHigh Availability: Setting up and manage Arista and F5 device clusters in active/standby or active/active configurations to provide failover capabilities.\n\nAAA (Authentication, Authorization, and Accounting): Strong knowledge of AAA frameworks for network access control. Hands-on experience configuring and managing TACACS+, Radius for device administration security in Cisco ICE.\n\nNetwork Hardware Lifecycle Management: Responsible for all network device patching, including security fixes and OS updates. Track device vendor support timelines and manage end of life transitions to updated hardware models.\n\nNetwork Monitoring: Monitor network traffic and alerts for proactive management and capacity planning. Provide up to date network metrics to all technical teams for better product development and troubleshooting.\n\nQualifications Required\n10+ years of hands-on experience in network engineering.\n\nA CCIE or similar advanced networking certification is a plus.\n\nStrong experience with Arista EOS/CloudVision and F5 BIG-IP.\n\nExpertise in protocols like BGP, OSPF, VxLAN, and EVPN.\n\nProficiency in Python scripting and network automation.\n\nExcellent communication skills and the ability to work independently.\n\n Benefits and Salary\nWe attract the best people in the business with our competitive benefits package that includes medical, dental and vision coverage, 401k plan with employer contribution, paid holidays, vacation, and tuition reimbursement.\nWe offer a competitive salary commensurate with experience and location. The targeted range for this position is $110,000 - $160,000.\nIf you enjoy being a part of a high performing, professional service and technology focused organization, please apply today!","description_format":"text","description_chars":3955,"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":[{"language":"English","level":"All levels","optional":false}]},"benefits":["401k plan"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Cybersecurity","Managed IT Services (MSP)"],"lifecycle":[{"event":"open","at":"2026-09-11T02:41:50Z"}],"visa":[],"liveness":{"score":8,"band":"cold","label":"Long shot","p_open":1,"p_active":0.27,"p_room":0.28,"age_days":287,"expected_fill_days":36,"reasons":["conf:0","win:tail","crowd:"],"computed_at":"2026-10-31T05:58:55Z"},"pay":{"stated_usd_annual":160000,"is_top_pay":true},"html_url":"https://alion.io/job/nxtkey-senior-network-engineer","json_url":"https://alion.io/job/nxtkey-senior-network-engineer.json","meta":{"generated_at":"2026-10-31T16:35:19Z","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":25951,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-01T00:00:00Z"}},"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":721866},"rest":"https://alion.io/mcp/rest/get_company?id=721866"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fnxtkey-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%2Fnxtkey-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%2Fnxtkey-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/nxtkey-senior-network-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fnxtkey-senior-network-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":700092}},{"tool":"search_jobs","arguments":{"company":"nxtkey.ai","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":700092},"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. Docs: https://alion.io/developers"}}