{"schemaVersion":"jobsearcher.job.v1","id":"495ca8eb4419bca817618000","url":"https://jobsearcher.com/jobs/495ca8eb4419bca817618000","canonicalUrl":"https://jobsearcher.com/jobs/495ca8eb4419bca817618000","title":"Principal Network Engineer","description":"MANTECHseeks a motivated, career and customer-orientedPrincipal Network Engineerto join our team inChantilly, VA .The Principal Network Engineer will leverage their strong technical background and knowledge to provide advanced engineering expertise to design, implement, secure, and sustain complex enterprise network environments. This role supports critical customer missions by collaborating across technical teams and stakeholders to deliver resilient, highly available, and secure network solutions.Responsibilities include but are not limited to:\r\nPrioritizing technical and operational requirements based on project and mission needs.\r\nInteracting with engineers, cross-functional teams, and customers at multiple levels to gather, coordinate, and deliver technical information.\r\nAnalyzing current workflows and providing recommendations to improve efficiencies based on customer requirements.\r\nWorking closely with engineering teams to troubleshoot and build complex, highly available network topologies.\r\nPerforming engineering support and system administration for applications and systems, including installation, configuration, maintenance, and patching.\r\nProviding Tier 2/3 maintenance and engineering support for deployed network and cybersecurity technologies.\r\nDeveloping and implementing automation solutions for repetitive project tasks and metrics collection using scripting.Minimum Qualifications:\r\nBachelor’s degree or 4+ additional years of relevant experience in lieu of degree.\r\n7+ years of experience with Network Engineering.\r\nKnowledge of Windows and Linux systems, operating system security practices, TCP/IP networking, and network security concepts.\r\nExperience deploying, upgrading, and troubleshooting multi-vendor network equipment and solutions, such as Juniper, Palo Alto, F5, and Nutanix.\r\nExperience working with Linux operating systems and scripting to support complex data flows.\r\nExperience creating, maintaining, and communicating complex information technology documentation, particularly network and security documentation.\r\nMust have or be willing to obtain an IAT Level II (or higher) certification within 6 months of hire.Preferred Qualifications :\r\nKnowledge of Cross Domain Solutions (CDS) technologies on the NCDSMO approved products list.\r\nUnderstanding of architectural principles such as defense in depth, resilience, and integrated security operations.\r\nFamiliarity with federal cybersecurity guidance, including NIST SP 800-37 (Risk Management Framework) and NIST SP 800-137.\r\nIn-depth understanding and practical experience with LANs, firewalls, routers, and switches.Clearance Requirements:\r\nAn active TS/SCI with Polygraph.Physical Requirements:\r\nMust be able to remain in a stationary position 50%.\r\nNeeds to occasionally move about inside the office to access file cabinets, office machinery, etc.\r\nFrequently communicates with co-workers, management, and customers, which may involve delivering presentations.\r\nMust be able to exchange accurate information in these situations.","company":"ManTech","rawCompany":"mantech","city":"Chantilly","state":"VA","isRemote":false,"isActive":true,"createdAt":"2026-04-08T20:34:30.930Z","occupations":[{"code":"15-1244.00","title":"Network and Computer Systems Administrators","slug":"network-and-computer-systems-administrators"},{"code":"15-1241.00","title":"Computer Network Architects","slug":"computer-network-architects"},{"code":"15-1231.00","title":"Computer Network Support Specialists","slug":"computer-network-support-specialists"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"541513","title":"Computer Facilities Management Services","slug":"computer-facilities-management-services"},{"code":"541519","title":"Other Computer Related Services","slug":"other-computer-related-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Principal Network Engineer","description":"MANTECHseeks a motivated, career and customer-orientedPrincipal Network Engineerto join our team inChantilly, VA .The Principal Network Engineer will leverage their strong technical background and knowledge to provide advanced engineering expertise to design, implement, secure, and sustain complex enterprise network environments. This role supports critical customer missions by collaborating across technical teams and stakeholders to deliver resilient, highly available, and secure network solutions.Responsibilities include but are not limited to:\r\nPrioritizing technical and operational requirements based on project and mission needs.\r\nInteracting with engineers, cross-functional teams, and customers at multiple levels to gather, coordinate, and deliver technical information.\r\nAnalyzing current workflows and providing recommendations to improve efficiencies based on customer requirements.\r\nWorking closely with engineering teams to troubleshoot and build complex, highly available network topologies.\r\nPerforming engineering support and system administration for applications and systems, including installation, configuration, maintenance, and patching.\r\nProviding Tier 2/3 maintenance and engineering support for deployed network and cybersecurity technologies.\r\nDeveloping and implementing automation solutions for repetitive project tasks and metrics collection using scripting.Minimum Qualifications:\r\nBachelor’s degree or 4+ additional years of relevant experience in lieu of degree.\r\n7+ years of experience with Network Engineering.\r\nKnowledge of Windows and Linux systems, operating system security practices, TCP/IP networking, and network security concepts.\r\nExperience deploying, upgrading, and troubleshooting multi-vendor network equipment and solutions, such as Juniper, Palo Alto, F5, and Nutanix.\r\nExperience working with Linux operating systems and scripting to support complex data flows.\r\nExperience creating, maintaining, and communicating complex information technology documentation, particularly network and security documentation.\r\nMust have or be willing to obtain an IAT Level II (or higher) certification within 6 months of hire.Preferred Qualifications :\r\nKnowledge of Cross Domain Solutions (CDS) technologies on the NCDSMO approved products list.\r\nUnderstanding of architectural principles such as defense in depth, resilience, and integrated security operations.\r\nFamiliarity with federal cybersecurity guidance, including NIST SP 800-37 (Risk Management Framework) and NIST SP 800-137.\r\nIn-depth understanding and practical experience with LANs, firewalls, routers, and switches.Clearance Requirements:\r\nAn active TS/SCI with Polygraph.Physical Requirements:\r\nMust be able to remain in a stationary position 50%.\r\nNeeds to occasionally move about inside the office to access file cabinets, office machinery, etc.\r\nFrequently communicates with co-workers, management, and customers, which may involve delivering presentations.\r\nMust be able to exchange accurate information in these situations.","datePosted":"2026-04-08T20:34:30.930Z","dateModified":"2026-04-08T20:34:30.930Z","hiringOrganization":{"@type":"Organization","name":"ManTech","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Chantilly","addressRegion":"VA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"495ca8eb4419bca817618000"},"url":"https://jobsearcher.com/jobs/495ca8eb4419bca817618000"}}