{"id":3120169,"url":"https://alion.io/job/parsons-senior-network-engineer-tssci","title":"Senior Network Engineer - TS/SCI","company":{"id":4937,"name":"Parsons","domain":"parsons.com","url":"https://alion.io/company/parsons","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":80,"open_postings":336,"ghost_share":0,"stale_share":0.997,"repost_share":0,"time_to_fill_p50_days":15,"computed_at":"2026-10-27T05:46:45Z"}},"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":["Centreville, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":105000,"max_usd":213000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":492},"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Azure","optional":false},{"name":"BGP","optional":false},{"name":"Configuration Management","optional":false},{"name":"OSPF","optional":false},{"name":"TCP/IP","optional":false},{"name":"VPN","optional":false},{"name":"Ansible","optional":true},{"name":"Python","optional":true},{"name":"Terraform","optional":true}],"status":"live","first_seen_at":"2026-07-07T00:00:00Z","employer_posted_date":"2026-07-07","last_verified_at":"2026-10-27T12:05:02Z","board_verified":true,"closed_at":null,"days_open":112,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":112},"description":"In a world of possibilities, pursue one with endless opportunities. Imagine Next!At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our leadership vision of valuing people, embracing agility, and fostering growth, we cultivate an innovative culture that empowers you to achieve your full potential. Unleash your talent and redefine what’s possible.Job Description:\nParsons is looking for an amazingly talented Senior Network Engineer to join our team! In this role, you will design, implement, secure, and sustain enterprise network infrastructure supporting classified hybrid environments that span on-premises data center and server room infrastructure as well as multiple cloud environments. You will own the network end to end, from physical switching and routing in secure facilities to the hybrid connectivity that extends the enterprise into the cloud.\nThis is a hands-on engineering role on a mission-critical program where your work directly contributes to matters of national security.\nWhat You'll Be Doing\nDesign, configure, deploy, and maintain LAN/WAN infrastructure including Cisco routers and switches (Catalyst/Nexus), firewalls, and load balancers across classified on-premises environments\nEngineer and sustain hybrid connectivity between on-premises networks and Microsoft Azure, including VPN gateways, ExpressRoute, virtual network (VNet) architecture, routing, and network security groups in coordination with the cloud engineering team\nImplement and maintain routing and switching protocols and services (BGP, OSPF, EIGRP, VLANs, trunking, spanning tree, HSRP/VRRP, QoS)\nHarden network devices in accordance with DoD STIGs and maintain compliance evidence in support of RMF assessment and authorization activities\nDesign and support air gapped and classified network segments, including secure boundary architectures and cross-domain considerations\nPerform network performance monitoring, capacity planning, troubleshooting, and root-cause analysis using enterprise monitoring tools\nDevelop and maintain network documentation including topology diagrams, IP address management (IPAM), configuration baselines, and change records\nSupport physical infrastructure efforts including rack layout, cable plant standards, and connectivity for secure facility buildouts\nParticipate in change and configuration management processes, design reviews, and security assessments; mentor junior engineers\nWhat Required Skills You'll Bring\nBachelor's degree in Computer Science, Information Systems, Engineering, or a related discipline; additional years of relevant experience may be considered in lieu of a degree\n8+ years of progressive network engineering experience designing and operating enterprise LAN/WAN environments\nExpert-level knowledge of TCP/IP, routing and switching (BGP, OSPF, VLANs, trunking), and network security principles\nExperience with cloud networking and hybrid cloud (cloud plus physical on-premises network equipment)\nCisco IOS-XE experience and scripting on routers\nNetwork performance tuning, especially in VPN tunnel environments\nHands-on experience configuring and hardening Cisco enterprise network equipment in accordance with DoD STIGs\nExperience supporting networks in classified, air gapped, or other secure DoD/IC environments\nCisco CCNA/CCNP (Enterprise or Security) or equivalent professional-level network certification\nStrong documentation skills, including the ability to create detailed engineering specifications and network diagrams\nActive TS/SCI security clearance\nWhat Desired Skills You'll Bring\nExperience engineering hybrid cloud connectivity to Microsoft Azure or Azure Government (ExpressRoute, VPN gateways, hub-and-spoke VNet design)\nExperience with next-generation firewalls (Palo Alto, Cisco Firepower) and network access control solutions\nFamiliarity with ICD 705 / SCIF infrastructure requirements and secure facility network buildouts\nExperience with network automation and infrastructure-as-code (Python, Ansible, Terraform)\nKnowledge of Type 1 encryption devices (e.g., TACLANE) and classified transport solutions\nCCIE, Azure Network Engineer Associate (AZ-700), or CISSP certification\nExperience supporting RMF authorization activities and DCSA or other government security assessments\n Security Clearance Requirement:\nAn active Top Secret SCI security clearance is required for this position.This position is part of our Federal Solutions team.The Federal Solutions segment delivers resources to our US government customers that ensure the success of missions around the globe. Our intelligent employees drive the state of the art as they provide services and solutions in the areas of defense, security, intelligence, infrastructure, and environmental. We promote a culture of excellence and close-knit teams that take pride in delivering, protecting, and sustaining our nation's most critical assets, from Earth to cyberspace. Throughout the company, our people are anticipating what’s next to deliver the solutions our customers need now.Salary Range: $103,500.00 - $181,100.00We value our employees and want our employees to take care of their overall wellbeing, which is why we offer best-in-class benefits such as medical, dental, vision, paid time off, 401(k), life insurance, flexible work schedules, and holidays to fit your busy lifestyle!Parsons is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, veteran status or any other protected status.We truly invest and care about our employee’s wellbeing and provide endless growth opportunities as the sky is the limit, so aim for the stars! Imagine next and join the Parsons quest-APPLY TODAY!Parsons is aware of fraudulent recruitment practices. To learn more about recruitment fraud and how to report it, please refer to https://www.parsons.com/fraudulent-recruitment/.","description_format":"text","description_chars":5989,"description_truncated":false,"requirements":{"experience_years_min":8,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":["Flexible schedule","Growth opportunities","Life insurance"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["C4ISR","Civil & Structural Engineering","Homeland Security","Engineering Services"],"lifecycle":[{"event":"open","at":"2026-10-23T00:07:03Z"}],"visa":[],"liveness":{"score":4,"band":"cold","label":"Long shot","p_open":1,"p_active":0.147,"p_room":0.28,"age_days":112,"expected_fill_days":15,"reasons":["conf:25","stale_co","velocity","win:tail","crowd:brand"],"computed_at":"2026-10-27T05:46:45Z"},"pay":null,"html_url":"https://alion.io/job/parsons-senior-network-engineer-tssci","json_url":"https://alion.io/job/parsons-senior-network-engineer-tssci.json","meta":{"generated_at":"2026-10-27T15:37:32Z","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":4516,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-28T00:00:00Z"}},"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":4937},"rest":"https://alion.io/mcp/rest/get_company?id=4937"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fparsons-senior-network-engineer-tssci"},{"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%2Fparsons-senior-network-engineer-tssci"},{"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%2Fparsons-senior-network-engineer-tssci"},{"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/parsons-senior-network-engineer-tssci\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fparsons-senior-network-engineer-tssci"}]}