Senior Network Engineer

Senior Network Engineer – Drive Innovation Across a Global Mission Network Leidos is seeking a Senior Network Engineer to join a high‑impact program supporting a mission‑critical enterprise network. This is an opportunity to step into a role where your expertise directly shapes the performance, resilience, and evolution of a worldwide infrastructure. If you thrive on solving complex challenges, leading on‑site deployments, and pushing network capabilities forward, you’ll feel right at home here. What You’ll Do As a senior technical leader, you’ll take ownership of core network infrastructure across both CONUS and OCONUS locations. Your work will ensure that critical systems stay connected, secure, and optimized for the mission. Your key responsibilities include: Deploying advanced network system upgrades across global field sites

Serving as the primary technical focal point for installations and site coordination

Delivering hands‑on troubleshooting and rapid issue resolution

Performing and supporting network maintenance, optimization, and lifecycle upgrades

Producing clear, actionable documentation and reporting

Contributing to Disaster Recovery and Business Continuity planning

Ensuring compliance, standards alignment, and best‑practice implementation

This is a role for someone who wants to lead from the front and elevate network performance at scale. What You Bring You’re a seasoned engineer with deep technical knowledge, strong analytical instincts, and the confidence to operate independently in complex environments. Basic Qualifications Bachelor’s degree in Computer Science, IT, Network Engineering, or related field

12–15 years of relevant experience

Top Secret clearance (minimum)

U.S. Citizenship

Demonstrated expertise in network infrastructure engineering

Hands‑on experience with Juniper SSR architecture and configuration

Strong background in SD‑WAN technologies and deployments

Proficiency with Cisco IOS/IOS‑XE

Solid understanding of OSPF, BGP, EIGRP

Experience with network virtualization and software‑defined networking

Familiarity with network automation tools

Understanding of QoS , WAN optimization, and modern network architecture principles

Excellent communication, collaboration, and problem‑solving skills

⭐ Preferred Qualifications These skills will help you stand out: Experience with cloud networking (AWS, Azure, Google Cloud)

Knowledge of network monitoring tools (SolarWinds, PRTG, Nagios)

Familiarity with VoIP and unified communications

Understanding of containerization and microservices architectures

Why This Role Matters You’ll be part of a team that keeps mission‑critical systems running at peak performance. Your expertise will directly influence the reliability, security, and evolution of a global network supporting essential operations. This is your chance to lead, innovate, and make a measurable impact .

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting: March 26, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range: Pay Range $116,350.00 - $210,325.00 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.