Leidos
Senior Network Engineer
Fort Belvoir, VA · Senior
No sponsorship$92k-$167kDetected 2 hours ago
TypeScriptCybersecurityNetwork SecurityFirewallVPNCiscoBGP/OSPFVoIPZero TrustNetwork EngineeringCommunication
About the role
- This contract is a critical initiative to modernize and operate DTRA's enterprise IT systems.
- Mentor and guide junior network engineers, providing technical oversight and sharing knowledge.
- Current DoD 8570/8140 baseline certification (Security+ and CCNA).
Responsibilities
- Design, deploy, and maintain robust network infrastructure to support enterprise systems and data pipelines.
- Configure and optimize network hardware including routers, switches, firewalls, load balancers, and VPN solutions to ensure secure and reliable connectivity.
- Manage and support Unified Communications, including Cisco Call Manager (CUCM), to ensure seamless voice and video collaboration.
- Lead complex network engineering projects, including system upgrades, migrations, and new deployments.
- Implement and manage routing protocols such as BGP and OSPF.
- Configure, and maintain TACLANE high-assurance cryptographic encryptors, including the implementation of Agile VLAN for Layer 2 security.
- Create and maintain comprehensive documentation, including detailed network diagrams, system engineering plans, and technical standards.
- Implement and manage network access control (NAC) using Cisco Identity Services Engine (ISE), including device profiling, posture assessment, and policy enforcement to support a Zero Trust architecture Monitor network performance, troubleshoot latency and bandwidth issues, and implement changes to improve stability and throughput.
- Ensure the network design complies with all security policies, supports scalability, and aligns with operational and mission requirements, including the implementation of Zero Trust principles.
- Collaborate with government partners, engineers, and other stakeholders to translate operational and strategic requirements into scalable, production-ready solutions.
Requirements
- Proven experience in engineering and sustaining enterprise network infrastructure in DoD or other federal environments.
- Hands-on experience with routing and switching protocols (BGP, OSPF), network security (NGFW, IDS/IPS), and load balancing.
- Experience with configuring routers, switches, firewalls, load balancers, and VPN solutions from vendors like Cisco, and Palo Alto.
Nice to have
- Advanced networking certifications such as Cisco CCNP or CCIE.
- Experience with high-assurance cryptographic devices, specifically TACLANE (KG-175).
- Experience with Cisco Unified Communications Manager (CUCM).
- Experience with network automation and Infrastructure as Code (IaC) tools like Ansible.
- Familiarity with Zero Trust network segmentation and micro-segmentation.
- Experience supporting large-scale enterprise data, analytics, or platform services in secure environments.
- Experience with Remedy or ServiceNow ticketing systems.
- If you're looking for comfort, keep scrolling.
Compensation
- Pay Range $92,300.00 - $166,850.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary.
- Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $17.2 billion for the fiscal year ended January 2, 2026.
- Pay and Benefits Pay and benefits are fundamental to any career decision.
- That's why we craft compensation packages that reflect the importance of the work we do for our customers.
- Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement.
Visa & Work Authorization
- fied applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregna
This listing is sourced directly from Leidos's careers page and normalized into a canonical job model.