Sr. Software Engineer

Senior Software Engineer - C-UAS Network Communication System (NCS)

Locations: Huntsville, AL and Alexandria, VA. Telecommuting may be available. Clearance: Current Secret clearance with the ability to obtain a Top Secret clearance. Position is contingent upon contract award.

Leidos

Leidos is seeking a Senior Software Engineer to lead design, development, integration, and prototyping for the Army’s Counter-UAS (C-UAS) Network Communication System (NCS). You’ll build secure, low-latency tactical software enabling network integration of M-LIDS and FS-LIDS systems supporting Short-Range Air Defense (SHORAD) missions.

Role Overview

You will serve as a senior technical lead across the full software lifecycle – architecture updates, rapid prototyping, secure communications development, cloud integration, remote access solutions, low-latency performance engineering, and deployment support in contested environments.

Key Responsibilities

• Software architecture leadership - modify and evolve C-UAS tactical software baselines.
• Rapid prototyping - build and demo proof-of-concept capabilities for government evaluators.
• Secure communications development - implement encrypted, authenticated tactical data transmission.
• Remote access engineering - design zero-trust gateways and encrypted remote sessions.
• Cloud integration - develop low-latency data transfer to Army-authorized cloud environments.
• Low-latency optimization - profile and tune software for near-real-time performance.
• Command-and-control tools - build centralized and distributed management capabilities.
• Integration & testing - validate prototypes in simulated contested environments.
• Cybersecurity support - contribute to secure coding, software assurance, and ATO documentation.

Basic Qualifications

• Masters degree in CS, Software Engineering, EE, or related field preferred. Bachelor’s degree in CS, Software Engineering, EE, or related field; 15+ years relevant experience is required.
• Senior-level development expertise in C, C++, Python, or Java for tactical/embedded systems.
• Current Secret security clearance with the ability to obtain a Top Secret security clearance.
• Proven leadership in prototype development and iterative build-test cycles.
• Experience designing/modifying complex tactical or networked software architectures.
• Hands-on experience with secure communications, encryption, MFA, and access control.
• Expertise in VPN/zero-trust remote access, secure gateways, and encrypted sessions.
• Demonstrated ability to engineer low-latency, jitter-optimized software.
• Experience developing software for DIL (degraded/intermittent/limited) environments.
• Knowledge of DoD cybersecurity, secure coding, and RMF/ATO processes.
• Strong technical writing and ability to brief government stakeholders.

Preferred Qualifications

• Experience with C-UAS, SHORAD, LIDS, or related Army air-defense programs.
• Background modifying fielded tactical defense software.
• Experience with edge/cloud architectures in contested environments.
• Participation in rapid capability demos or soldier touchpoints.
• Familiarity with DoD crypto standards, DevSecOps, or containerized environments.
• Prior DoD technical lead experience.
• AWS/Azure GovCloud certifications.

Pay Range

Pay Range $154,050.00 - $278,475.00

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

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

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.

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