Jobs and Careers
MA
Principal Network Engineer
ManTechUnited Statesfull_timeVerifiedPosted 16 Jun 2026
About the role
General information
Requisition #
R68672
Locations
USA-VA-Chantilly
Posting Date
06/15/2026
Security Clearance Required
TS/SCI w/ Poly
Remote Type
Onsite
Time Type
Full time
Description & Requirements
Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we’ve been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now—unleash your potential with MANTECH!
MANTECH seeks a motivated, mission-focused Principal Network Engineer to join our team in Chantilly, VA.
In this role, you will provide advanced engineering expertise to design, implement, secure, and sustain complex enterprise network environments supporting critical customer missions. You will collaborate across technical teams and customer stakeholders to deliver resilient, highly available, and secure network solutions while driving operational excellence and innovation.
Responsibilities include but are not limited to:
- Interact with engineers, cross-functional teams, and customers at multiple levels to gather, coordinate, and deliver technical information.
- Work closely with engineering teams to troubleshoot and build complex, highly available network topologies.
- Develop and manage comprehensive network monitoring and alerting strategies leveraging SNMP, flow analytics, packet inspection, and infrastructure telemetry to proactively identify performance degradation, capacity constraints, and service disruptions across complex enterprise and mission-critical environments.
- Lead complex network troubleshooting and root cause analysis across enterprise, data center, cloud, and hybrid environments, utilizing packet captures, routing analysis, traffic flow inspection, and protocol level diagnostics to rapidly identify and resolve service-impacting issues.
- Perform engineering support and system administration for applications and systems, including installation, configuration, maintenance, patching, and backup/restore activities.
- Provide Tier 2/3 maintenance and engineering support for deployed network and cybersecurity technologies.
- Support Assessment and Authorization (A&A) activities related to cybersecurity technologies, where applicable.
- Develop and implement automation solutions for repetitive project tasks and metrics collection using scripting, supporting testing and production deployment.
- Perform additional project and corporate duties as assigned to support customer mission requireme
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