Posted today
Top Secret/SCI
$131,300 - $237,350
25%
Polygraph
IT - Hardware
Chantilly, VA (On-Site/Office)
R-00176277
Description
Leidos is looking for a Senior Network Engineer to be part of a team responsible for the design, migration, implementation, enhancement, optimization, and maintenance of LAN/WAN/Video/Voice/desktop infrastructure. Network engineers are responsible for designing, development, integration and configure unique networks.
This position will require the skillset and experience use free thinking and independent judgement to provide unique solutions. Maintain and upgrade the network hardware and software as well as providing individual solutions for the network to ensure network availability to all system users.
Tasks may include participation in the development of new network designs, assess network management architecture, document the architecture, develop test plans, and conduct the testing effort.
The candidate will be responsible for upgrades and support unique problem resolution.
No more than 5% CONUS travel is required for this position.
Duties shall include, but not be limited to the following:
Required Qualifications:
Preferred Qualifications:
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: February 18, 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 $131,300.00 - $237,350.00
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.
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.
Description
Leidos is looking for a Senior Network Engineer to be part of a team responsible for the design, migration, implementation, enhancement, optimization, and maintenance of LAN/WAN/Video/Voice/desktop infrastructure. Network engineers are responsible for designing, development, integration and configure unique networks.
This position will require the skillset and experience use free thinking and independent judgement to provide unique solutions. Maintain and upgrade the network hardware and software as well as providing individual solutions for the network to ensure network availability to all system users.
Tasks may include participation in the development of new network designs, assess network management architecture, document the architecture, develop test plans, and conduct the testing effort.
The candidate will be responsible for upgrades and support unique problem resolution.
No more than 5% CONUS travel is required for this position.
Duties shall include, but not be limited to the following:
- Develop technical solutions to issues that may be unclear and require deep technical knowledge.
- Utilizing of various data sources will be necessary to fully understand the issues and inform the solution, have strong skillsets in network monitoring tools and deep analysis of network data.
- Evaluate network service requests and validate/triage unique inquiries.
- Analyze existing and future network infrastructure and provide solutions requirements.
- Maintain network hardware and software, to include network layer communications providing transport.
- Monitor network to ensure availability to all system users and performs necessary maintenance to support network availability.
- Create and update network infrastructure documentation.
- Assist with the development of network architecture and roadmaps.
- Support design, design documentation, factory testing and integrations of network infrastructure.
- Be responsible for installations, upgrades, support assistance and problem determination for operating systems, network hardware, and software products.
- Work with stakeholders to identify short- and long-term priorities, to include multi-year road maps, five-year program and spending plans, strategic network upgrades, process efficiencies, strategic communications, and O&M frameworks.
Required Qualifications:
- Requires an active TS/SCI with poly to be considered.
- Prior experience with programs of similar size and complexity
- Requires a Bachelor's degree with 8+ years of prior relevant experience, 12+ years of experience in lieu of degree
- Hands on experience in network engineering, network administration
- Experience performing network engineering or network administration functions on programs of similar size, scope, and complexity.
- Cisco and Juniper Architecture experience required.
- Ability to lead others and clearly convey complex technical concepts.
- Proven leadership skills in a complex technical environment with tight security restrictions and a diverse work force (4+ years of experience)
Preferred Qualifications:
- Cisco or Juniper Certs
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: February 18, 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 $131,300.00 - $237,350.00
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.
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.
group id: SCNCAPI2
N
Introducing the Next Level of Leidos
