{"id":3228955,"url":"https://alion.io/job/gci-network-engineer-sme-tssci-with-poly-required","title":"Network Engineer SME (TS/SCI with Poly Required)","company":{"id":4429519,"name":"GCI","domain":"gci.tech","url":"https://alion.io/company/gci-7","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"UltiPro","truth_index":{"grade":"B","score":75,"open_postings":9,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":34,"computed_at":"2026-11-03T05:54:40Z"}},"role":"Networking","role_family":"Networking","seniority":null,"employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Reston, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":164382,"max":274518,"currency":"USD","period":"year","gross":null,"usd_annual":274518},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"BGP","optional":false},{"name":"MPLS","optional":false},{"name":"OSPF","optional":false},{"name":"VPN","optional":false}],"status":"live","first_seen_at":"2026-10-15T18:37:37Z","employer_posted_date":"2026-10-15","last_verified_at":"2026-11-03T13:57:33Z","board_verified":true,"closed_at":null,"days_open":18,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":18},"description":"GCI embodies excellence, integrity and professionalism. The employees supporting our customers deliver unique, high-value mission solutions while effectively leverage the technological expertise of our valued workforce to meet critical mission requirements in the areas of Data Analytics and Software Development, Engineering, Targeting and Analysis, Operations, Training, and Cyber Operations. We maximize opportunities for success by building and maintaining trusted and reliable partnerships with our customers and industry.\nAt GCI, we solve the hard problems. As an Expert Network Engineer, a typical day will include the following duties:\nKEY RESPONSIBILITIES\nDesigns and plans network communications to include on-prem and cloud-based systems • Provides specifications and detailed schematics for network architecture • Plans implementation of enhancements and security upgrades to the network • Conducts hands-on setup, configuration, testing, and troubleshooting of on-site network infrastructure • Conducts testing of network infrastructure using industry practices • Monitors network hardware and virtual (cloud) device operations to ensure properly functioning networks and capabilities • Advises network users of hardware needs, configurations, and limitations • Provides troubleshooting assistance and guidance to other team members as well as end users of the network(s) • Provides detailed recommendations for hardware and software selection, implementation techniques, and tools • Provides technical expertise in all areas of network and computer hardware and software interconnection and interfacing, such as routers, switches, firewalls, bridges, gateways, etc. • Evaluates and reports on changing or end of life technologies to ensure capabilities of the network remain up to date and secure\nREQUIRED QUALIFICATIONS\nExperience in IPSec site-to-site VPN • Experience in Remote access VPN • Experience configuring, designing, maintaining, and troubleshooting LAN/WAN devices • Thorough understanding of network routing concepts (EIGRP, OSPF, BGP, IP MPLS) • Basic understanding of QoS concepts • Experience with network monitoring technologies • Expertise in deploying Cisco, or Juniper firewall Manager servers • Experience engineering and deploying cloud-based and on-prem network firewall solutions • Experience designing, engineering, and deploying controlled interfaces • Ability to take customer requirements or problems and convert them into technical solutions • Ability to partner with systems administrators to solve complex problems • Complex problem management research and issue resolution\nDESIRED QUALIFICATIONS\nExperience configuring, designing, and troubleshooting QoS in LAN or WAN devices\nExperience design, engineering, and deploying Multi-Factor Authentication solution\n*A candidate must be a US Citizen and requires an active/current TS/SCI with Polygraph clearance.\nEqual Opportunity Employer / Individuals with Disabilities / Protected Veterans","description_format":"text","description_chars":2984,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":true,"languages":[]},"benefits":[],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["National Security","Homeland 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