Posted today
Secret
$92,300 - $166,850
25%
Unspecified
IT - Hardware
Aberdeen Proving Ground, MD (On-Site/Office)
R-00177052
Description
Leidos’ Defense Sector is seeking a Senior Network Engineer (RTSS) to support an Army Program focused on delivering advanced capabilities for operational decision-making in complex and dynamic environments. The Senior Network Engineer is responsible for architecting, implementing, and supporting complex network infrastructures across the enterprise. This role provides technical leadership, drives network modernization initiatives, and ensures the reliability, scalability, and security of mission‑critical systems. The ideal candidate brings deep expertise in routing, switching, and network design, along with the ability to mentor junior engineers and lead cross‑functional technical efforts. This position plays a key role in shaping long‑term network strategy and delivering high‑performance solutions that support organizational growth.
Locations include Aberdeen Proving Ground, MD; Fort Belvoir, FL; Tampa, FL
This position is contingent upon program award, anticipated late March.
Primary Responsibilities:
Basic 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 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 $92,300.00 - $166,850.00
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’ Defense Sector is seeking a Senior Network Engineer (RTSS) to support an Army Program focused on delivering advanced capabilities for operational decision-making in complex and dynamic environments. The Senior Network Engineer is responsible for architecting, implementing, and supporting complex network infrastructures across the enterprise. This role provides technical leadership, drives network modernization initiatives, and ensures the reliability, scalability, and security of mission‑critical systems. The ideal candidate brings deep expertise in routing, switching, and network design, along with the ability to mentor junior engineers and lead cross‑functional technical efforts. This position plays a key role in shaping long‑term network strategy and delivering high‑performance solutions that support organizational growth.
Locations include Aberdeen Proving Ground, MD; Fort Belvoir, FL; Tampa, FL
This position is contingent upon program award, anticipated late March.
Primary Responsibilities:
- Design, implement, and maintain enterprise‑class network architectures across data centers, cloud environments, and remote sites.
- Lead complex network engineering projects, including upgrades, migrations, and new deployments.
- Develop and enforce network standards, best practices, and configuration baselines.
- Troubleshoot advanced network issues and provide Tier‑III escalation support.
- Optimize network performance through capacity planning, traffic analysis, and proactive monitoring.
- Implement and manage routing protocols (OSPF, BGP, EIGRP), switching technologies, and WAN architectures.
- Ensure network security through segmentation, firewall policies, access controls, and compliance frameworks.
- Collaborate with infrastructure, security, and application teams to support business initiatives.
- Mentor and guide junior network engineers, providing technical oversight and knowledge sharing.
- Maintain accurate network documentation, diagrams, and operational procedures.
Basic Qualifications:
- Bachelor’s degree in Computer Science, Information Technology, Engineering, or related field with 8+ years of experience or a Master’s degree with 6+ years of experience. Additional experience may be considered in lieu of a degree.
- Active Secret clearance with the ability to obtain a TS/SCI.
- Experience in network engineering or network operations.
- Expert‑level knowledge of TCP/IP, routing, switching, VLANs, and network protocols.
- Strong experience with enterprise networking platforms (Cisco, Juniper, Arista, or equivalent).
- Proficiency with routing protocols such as OSPF, BGP, and EIGRP.
- Experience with firewalls, VPNs, and network security technologies.
- Ability to diagnose and resolve complex network issues in large‑scale environments.
- Familiarity with network monitoring and analysis tools (SolarWinds, Wireshark, NetFlow, etc.).
- Strong communication, documentation, and leadership skills.
Preferred Qualifications:
- Professional certifications such as CCNP, CCIE, JNCIP, or equivalent.
- Experience with SDN, network automation, and scripting (Python, Ansible).
- Knowledge of cloud networking (AWS, Azure, GCP) and hybrid architectures.
- Experience with MPLS, Segment Routing, or advanced WAN technologies.
- Familiarity with Zero Trust architectures and modern security frameworks.
- Background in designing highly available, large‑scale, or multi‑site network environments.
- Experience leading technical teams or serving as a project technical lead.
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 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 $92,300.00 - $166,850.00
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
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Introducing the Next Level of Leidos
