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 DoAs 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 BringYou’re a seasoned engineer with deep technical knowledge, strong analytical instincts, and the confidence to operate independently in complex environments.
Basic QualificationsBachelor’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
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
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, 2026For 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.
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.
Top Skills
What We Do
We Are Leidos For 50 years we have been tackling some of the biggest problems that face our nation and our world. OUR MISSION Through our culture of innovation and history of performance, we develop deep customer trust built on integrity and create enduring solutions that improve our world. Leidos is a science and technology solutions leader working to address some of the world’s toughest challenges in the defense, intelligence, homeland security, civil, and healthcare markets. The company’s 43,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020. Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®. Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the newly launched Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos. Your most important work is ahead.
