Sr. Network Engineer

Leidos

$139K — $251K *
Aerospace & Defense
11 - 15 years of experience
Job Overview by Ladders

Qualifications

  • Current Top Secret/SCI clearance is required.
  • Master's degree coupled with 15-20 years of relevant experience.
  • Experience in ISR systems, satellite communications, or intelligence networks is highly desirable.
  • Familiarity with Model-Based Systems Engineering (MBSE) tools is preferred.
  • Senior-level expertise in Cisco, Microsoft/Linux, VPN technologies, encryption devices, and enterprise routing/switching is essential.
  • Proven track record as a senior technical authority and trusted advisor in complex operational environments.

Responsibilities

  • Serve as the Senior Network Engineer and technical authority for network design and integration.
  • Maintain and evolve network architecture and performance metrics.
  • Collaborate with engineering teams to ensure integrated solutions fulfill mission requirements.
  • Build strong relationships with customers to address mission objectives effectively.
  • Support coordination of network requirements and hardware/software design activities.
  • Design and implement network infrastructure for ISR data flows and integration with intelligence platforms.
  • Develop technical documentation including architecture diagrams and engineering reports for TENCAP.

Benefits

  • Opportunity to work with advanced ISR technologies.
  • Influence the modernization of Army ISR networks directly.
  • Engagement in a mission-critical environment.
Full Job Description
Senior Network Engineer - Army TENCAP | TS/SCI | Ft. Belvoir, VA

Leidos is seeking a Senior Network Engineer to support the development and integration of advanced ISR technologies within the Army TENCAP portfolio. In this role, you will design, implement, and optimize network architectures that connect national, commercial, and tactical intelligence capabilities to operational Army systems.

This position is ideal for a seasoned network engineering leader who thrives in complex mission environments and wants to directly influence the modernization of Army ISR networks.

What You'll Be Doing
  • Serve as the Senior Network Engineer and technical authority for network design, integration, and performance.
  • Maintain and evolve network architecture, technical baselines, and end-to-end network performance.
  • Collaborate with systems, network, and cybersecurity engineers to ensure integrated solutions meet mission requirements.
  • Build and maintain strong relationships with customers and stakeholders to ensure mission needs and objectives are fully addressed.
  • Support the coordination of network requirements, hardware/software design, and full verification and validation activities.
  • Design and implement network infrastructure supporting ISR data flows, cross-domain solutions, and integration with existing intelligence platforms.
  • Develop technical documentation, architecture diagrams, and engineering reports supporting the TENCAP mission.
  • Provide expert recommendations on information system design, integration and test, performance analysis, administration, security, and policy.


What You'll Need
  • Current Top Secret/SCI clearance.
  • Master's degree with 15-20 years of relevant experience.
  • Experience with ISR systems, satellite communications, or intelligence networks (highly desirable).
  • Familiarity with Model-Based Systems Engineering (MBSE) tools (preferred).
  • Senior-level expertise in networking technologies such as Cisco, Microsoft/Linux environments, VPN technologies, encryption/crypto devices, and enterprise-grade routing/switching (specific qualifications TBD).
  • Demonstrated ability to operate as a senior technical authority, network engineering leader, and trusted advisor in complex, mission-critical environments.


Original Posting:
April 22, 2026

Pay Range:
Pay Range $139,100.00 - $251,450.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Similar Jobs

More Jobs at Leidos

More Aerospace & Defense Jobs

Find similar Sr. Network Engineer jobs: