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# nPrincipal Network Engineer

- **Company:** Nabout Leidos
- **Location:** United States
- **Salary:** $116,350.0 - $210,325.0
- **Contract:** Permanent contract
- **Skills:** System Configuration, Networking Hardware, Routing, Network Service, Cisco Nexus Switches, Cisco
- **Published:** October 15, 2026
- **Apply:** https://jobs.military.com/career/366266/principal-network-engineer-virginia-va-mclean

## About the Role

* Bachelor's with 12 or more years of prior relevant experience or a Masters with 10 or more years of prior relevant experience. Additional years of experience may be substituted in lieu of a degree.\n
 * Must have an active TS/SCI with a Polygraph, to be considered.\n
 * Experience providing technical/management leadership on major tasks or technology assignments; and establishing goals and plans that meet project objectives; with domain and expert technical knowledge.\n
 * Master level experience with Cisco and Nexus Architecture with experience with designing, configuring, and troubleshooting enterprise-level Cisco/Nexus networking hardware (9K/7K/5K/2K).\n
 * Expert experience with IP, Routing and Connection services as well as working on ITIL and SAFe Agile Frameworks.\n
 * Ability to analyze available hardware and software from external vendors and make recommendations for purchase and installation, along with documented experience creating maintaining and implanting detailed documentation for standard systems operating procedures\n

## Description

The Principal Network Engineer maintains enterprise network infrastructure to ensure proper configuration, availability, performance, capacity, and maintenance (including application of the latest patches and upgrades). They will also monitor technology obsolescence, manage upgrades, and evaluate alternatives across on-premises and cloud IT infrastructures, both virtual and physical. \n
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\nPrimary Responsibilities:\n
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 * Responsible for architecture, design, installation, configuration, administration, support, and maintenance of networks, including associated hardware and cloud resources. \n

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 * Update to new technologies, tuning performance, and prioritizing the implementation of critical system patches.\n

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 * Performs risk assessment, risk mitigation analysis, vendor trade studies, and appropriate documentation to ensure network services are available according to established Service Level Agreements (SLA).\n