Leidos is searching for an experienced and fully cleared Network Engineer to join our team in Chantilly, VA.
The team is made-up of highly technical and motivated individuals. The engineer for this role will assist in troubleshooting complex problems and implementing cutting-edge solutions. As such, this individual must be an excellent problem solver and work well in a collaborative team environment. Candidate must have proven hands-on experience working as a network engineer. OCONUS experience is highly desired. 50% travel to OCONUS location.
The program is made up of CONUS and OCONUS teams who regularly interact across varying time zones. As a result, the candidate must have excellent communication skills and be flexible with regards to teamwork and tasking. A demonstrated ability to perform in cross-functional teams to achieve results in a timely manner is desired.
Primary Responsibilities:
Install, configure, and troubleshoot network appliances (routers, switches, and firewalls)
Monitor entire network infrastructure (LAN & WAN) and provide regular reporting
Collaborate closely with the Chief Engineer to ensure network optimization and the completion of other tasks
Ensure network uptime, performance, and security
Document and enforce network standards
Manage and maintain IP addressing schema
Travel OCONUS as needed
Maintain network lab in Chantilly, VA
REQUIRED Skills, Experience, and Education:
Bachelors and a minimum of 12 year experience OR Masters and a minimum of 10 years of experience OR minimum of 16 years of experience in lieu of degree
Must possess an active and in-scope TS/SCI With Poly to be considered
Active/current basic CCNA certification
Solid understanding of OSI or TCP/IP model
Hands-on experience with network monitoring, network diagnostics, and network analytics tools
Experience configuring/troubleshooting Cisco appliances
Experience configuring/troubleshooting routing and switching, including routing protocols
Experience writing scripts for Cisco switches, routers, and firewalls
Ability to work well individually, as well as within a team environment, and always maintain professional behavior with all stakeholders.
Ability to lift 50 lbs. and climb 30 ft.
Desired Qualifications:
CCNA/CCNP Security certification
Experience working with Cisco ASA/Firepower and Juniper SRX appliances
Experience implementing and troubleshooting IPSec VPN tunnels
Deep understanding of networking protocols, i.e., IPSEC, EIGRP, OSPF, QoS
Experience installing and troubleshooting iDirect VSATs
Experience using Solarwinds Performance Monitor and Configuration Manager
Experience implementing and troubleshooting AWS
Experience implementing and troubleshooting VoIP & PBX systems
Experience implementing and troubleshooting Asterisk
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:September 11, 2025For 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.
Skills Required
- Bachelors and a minimum of 12 year experience OR Masters and a minimum of 10 years OR minimum of 16 years in lieu of degree
- Must possess an active and in-scope TS/SCI With Poly
- Active/current basic CCNA certification
- Hands-on experience with network monitoring, diagnostics, and analytics tools
- Experience configuring/troubleshooting Cisco appliances
- Experience configuring/troubleshooting routing and switching
Leidos Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Leidos and has not been reviewed or approved by Leidos.
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Healthcare Strength — Healthcare coverage is described as comprehensive, with multiple plan options, low office-visit copays in some plans, and access to mental health and wellness support tools. The availability of HSA/FSA options and employer contributions is positioned as a meaningful part of the total package.
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Retirement Support — Retirement benefits are framed as a strong component of total rewards, highlighted by a 401(k) match and immediate vesting in the standard package. The Employee Stock Purchase Plan is also presented as an additional long-term wealth-building feature.
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Wellbeing & Lifestyle Benefits — Wellbeing and lifestyle supports extend beyond core insurance, including wellness programs, fitness-related stipends, and assistance resources. Work flexibility and related perks are also included as part of the broader rewards experience.
Leidos Insights
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.
