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Senior Network EngineerLeidos • United States
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Senior Network Engineer

Leidos
  • US
    United States
  • US
    United States
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About

Description Here's a more engaging, candidate-focused version of your job description with stronger positioning, clearer impact, and a more compelling tone: Senior Network Engineer Leidos - National Security Sector | Cyber & Analytics Business Area Make an Impact Where It Matters Most Leidos is seeking a
Senior Network Engineer
to join our elite team supporting mission-critical national security programs. In this role, you'll work at the forefront of cybersecurity, network engineering, and advanced analytics-helping defend and enable some of the nation's most vital operations. Our Cyber & Analytics Business Area (CABA) brings together experts in
Security Engineering, Computer Network Operations (CNO), SIGINT, Mission Software, and Cryptographic Key Management . If you're looking for meaningful work, cutting-edge challenges, and a team that values innovation and expertise-you'll find it here. Why Join Leidos?
We believe great work starts with supporting our people. That's why we offer: Competitive compensation & 401(k) with 6% match (immediate vesting)
Generous PTO + 11 paid holidays
Flexible work schedules (no travel required for this role)
Paid parental leave
Education, training, and certification support
Technical upskilling & career growth opportunities
Employee stock purchase plan
At Leidos, your growth is part of our mission. What You'll Do
As a Senior Network Engineer, you'll play a key role on a
high-visibility, fast-paced program
supporting multiple organizations from a centralized environment. You'll tackle complex challenges, influence network strategy, and mentor the next generation of engineers. Your responsibilities will include: Leading
advanced network troubleshooting and problem resolution
Analyzing and optimizing
network performance, latency, and throughput
Designing and implementing
scalable, secure network architectures
Working with technologies such as: Routing protocols & BGP
Policy-based routing & traffic shaping
IPSec tunneling & NAT
Firewalls, load balancing, and WAN optimization
Evaluating and integrating
emerging networking technologies
Collaborating with cross-functional teams to deliver mission-driven solutions
Mentoring junior engineers (Levels 0-2) and ensuring engineering excellence
What You Bring
12-15 years of network engineering experience
(or equivalent expertise)
Bachelor's degree in a technical field
(or 5 additional years of experience in lieu of degree)
Strong experience in
network design, optimization, and security
CCNA and CCNP certifications required
Proven ability to lead technical efforts and mentor teams
Security Clearance Requirement: Active
TS/SCI with Polygraph
(required)
Why This Role Stands Out
Work on a
mission-critical program with real-world impact
Join a
tight-knit, highly skilled team
in a collaborative environment
Gain exposure to
advanced technologies and high-level decision-making
Enjoy
stability, growth, and purpose -all in one role
Ready to take your career to the next level? Join Leidos and help shape the future of national security. Apply today at careers.leidos.com If you want, I can tailor this further for a specific audience (e.g., cleared candidates, passive LinkedIn prospects, or internal referrals) or shorten it for a job board. 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: May 4, 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 onlyand 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. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com. 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. More details are available at www.leidos.com/careers/pay-benefits. Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission. Commitment to Non-Discrimination All qualified 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, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws. Required
Preferred
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  • English
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