Lead Network Software Engineer

Leidos


Job Location:

Huntsville, AL - USA

Monthly Salary: $ 107900 - 195050
Posted on: 9 days ago
Vacancies: 1 Vacancy

Job Summary

Leidos has a new and exciting opportunity for a Lead Network Software Engineer in our National Security Sectors (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering Computer Network Operations (CNO) Mission Software Analytical Methods and Modeling Signals Intelligence (SIGINT) and Cryptographic Key Management. At Leidos we offer competitive benefits including Paid Time Off 11 paid Holidays 401K with a 6% company match and immediate vesting Flexible Schedules Discounted Stock Purchase Plans Technical Upskilling Education and Training Support Parental Paid Leave and much more. Join us and make a difference in National Security!

The Lead will support DARPA QuANET and the position builds on building and testing software that integrates network emulation routing telemetry and cyberresponse logic. The developer will work handson with Python and C create reproducible test environments debug Linux and container networking issues and collaborate with senior engineers across hardware cyber and networking teams. Strong systems and distributednetworking skills are essential; quantumdomain experience is not required. Candidates with deep implementation ability and broad networking expertise are preferred.

Primary Responsibilities:

  • Lead the design and execution of routing network emulation telemetry and network-response capabilities for the program.

  • Translate open-ended R&D objectives into concrete technical plans experiments software tasks and integration milestones.

  • Own container-to-routing-protocol integration in the teams network emulation environment.

  • Guide implementation in Python and C including design review pull request review and technical debugging.

  • Build and maintain scalable network simulation or emulation environments for large virtual topologies.

  • Integrate distributed telemetry and cross-component state data into routing and network response decisions.

  • Establish reproducible CI/CD regression testing and experiment validation workflows for network code.

  • Coordinate standing technical co-design with adjacent teams so interfaces assumptions and dependencies remain explicit.

  • Represent technical decisions in customer PI advisor and program-management discussions with evidence-based reasoning.

  • Communicate technical risks tradeoffs and status clearly to both technical and non-technical audiences.

Basic Qualifications:

  • Bachelors degree in computer science computer engineering electrical engineering networking or a related technical field and 8 years of relevant experience; additional relevant experience may be considered in lieu of degree.

  • Experience leading the design and execution of routing network emulation telemetry and network-response capabilities.

  • Deep routing protocol knowledge including protocol-internals understanding of BGP OSPF IS-IS or comparable protocols.

  • Experience with SPF behavior LSA flooding path attributes convergence behavior and routing tradeoffs.

  • Hands-on Linux networking experience including namespaces veth pairs iproute2 iptables/nftables and tc.

  • Docker or container networking experience including bridge macvlan host modes CNI plugins and nested networking failure modes.

  • Experience with open-source routing stacks such as FRR Bird Quagga or similar.

  • Hands-on programming experience in Python and C with ability to read write and review production-quality code.

  • Experience with network simulation or emulation at scale.

  • Experience implementing CI/CD regression testing or reproducible validation pipelines for networking or systems projects.

  • Experience with distributed systems network telemetry or state-distribution mechanisms.

  • Ability to lead technical work under ambiguity while remaining hands-on with implementation and lab execution.

  • Must be a US citizen with ability to obtain and maintain a US government security clearance.

Preferred Qualifications:

  • Experience with gNMI OpenConfig streaming telemetry or comparable observability/control-plane data sources.

  • Open-source routing or network-stack contribution history.

  • Prior experience on government-funded R&D programs such as DARPA IARPA ONR AFRL ARL DOE or NSF.

  • Experience leading small technical teams in high-ambiguity research prototype or advanced development environments.

  • Experience presenting and defending technical approaches to government customers technical reviewers or external advisors.

If youre looking for comfort keep scrolling. At Leidos we outthink outbuild and outpace the status quo because the mission demands it. Were not hiring followers. Were recruiting the ones who disrupt provoke and refuse to fail. Step 10 is ancient history. Were already at step 30 and moving faster than anyone else dares.

Original Posting:

June 24 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 $107900.00 - $195050.00

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.


Required Experience:

IC

Leidos has a new and exciting opportunity for a Lead Network Software Engineer in our National Security Sectors (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering Computer Network Operations (CNO) Mission Software Analytical Methods and Modeli...

About Company

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Leidos is an innovation company rapidly addressing the world's most vexing challenges in national security and health. Our 47,000 employees collaborate to create smarter technology solutions for customers in these critical markets.

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