Jobs at Leidos

26,584 open positions

Leidos is a leading technology and engineering company that delivers solutions for defense, civil, and health agencies. With a focus on cyber, AI, and systems integration, Leidos helps clients protect critical infrastructure and innovate across national security and public health.

Leidos hires a wide spectrum of talent—from software engineers and data scientists to cybersecurity analysts, systems integrators, and project managers. Candidates can expect competitive benefits, continuous learning opportunities, and projects that have real‑world impact on government and commercial customers.

Checking Leidos listings on Job Transparency gives you instant access to salary ranges, employee sentiment, and market benchmarks, letting you negotiate confidently and find the best match for your career goals.

Software Engineer

Company: Leidos

Location: Chantilly, VA

Posted Jan 22, 2025

Solution Architect Intern

Company: Leidos

Location: Reston, VA

Posted Jan 22, 2025

Transport Operations Network Security & Information Assurance Engineer

Company: Leidos

Location: Honolulu, HI

Posted Jan 22, 2025

Leidos is seeking a Network Security & Information Assurance Engineer for a position in Honolulu, HI. The role involves designing, implementing, and maintaining global network security solutions, collaborating with cross-functional teams, and ensuring the highest levels of security and operational integrity. The ideal candidate should have a B.S. degree, a minimum of 8 years of relevant experience, and an active DoD Secret security clearance. They must also possess DoD 8570.01 IAT Level III Certification and an Associate level Network Vendor Certification. The role requires extensive experience in network engineering, troubleshooting, and understanding of defense-in-depth principles.

Senior Director for Personnel Readiness

Company: Leidos

Location: Reston, VA

Posted Jan 22, 2025

Leidos Health and Civil Sector Growth Office is seeking a Senior Director for Personnel Readiness. The role is remote with travel for conferences and meetings. The candidate should have a strong background in DoD Personnel Readiness and federal policy, with a proven track record of building relationships with key stakeholders. The Senior Director will work with various teams to drive business growth and expansion within DoD, DHA, and other civilian agencies. They will provide strategic leadership, direction, and planning for all personnel readiness activities. The role involves directing and representing Leidos in the personnel readiness space, driving the expansion of Leidos' reputation, and developing and executing a comprehensive strategy for growth. The ideal candidate will have a Bachelor's degree and 15+ years of experience, or a Master's with 13+ years, in the DoD personnel space, with a strong network of relationships within DoD, DHA, and the Services.

Program Analyst

Company: Leidos

Location: Washington, DC

Posted Jan 22, 2025

Chief Engineer Intern

Company: Leidos

Location: Remote

Posted Jan 22, 2025

Leidos is seeking an intern to assist the Chief Engineer for the Department of Justice IT Portfolio. The intern will help with various tasks, including documenting root cause analyses, planning technical upgrades, and collaborating with customers. This is an exciting opportunity to gain broad exposure to technical challenges.

Principal Software Engineer

Company: Leidos

Location: Reston, VA

Posted Jan 22, 2025

Leidos is seeking a Principal Software Engineer for an immediate role. The candidate will provide Agile DevOps support to mission-critical systems, building strong systems, software, and cloud environments. They will participate in all aspects of the software development lifecycle, including scope and work estimation, architecture and design, coding, and unit testing. The role involves using Java, JavaScript, Python, SpringBoot, Hibernate, and other tools for software programming and innovation. The candidate must have extensive experience in Agile practices, Java, Spring, C2S, software development lifecycle, DevOps toolsets, software testing tools, scripting languages, Agile development environments, and commercial cloud platforms. A Bachelor's degree with 12+ years of experience or a Master's with 10+ years is required, along with US Citizenship and active TS/SCI with Polygraph. The role offers a competitive pay range of $126,100.00 - $227,950.00.

Software Engineer - TS/SCI with CI Poly

Company: Leidos

Location: Aurora, CO

Posted Jan 22, 2025

Leidos is seeking a passionate Software Engineer to work on complex problems with leading-edge technology. The team ensures accurate and reliable data integration, making a direct impact on mission-critical decisions.

Senior Site Reliability Engineer

Company: Leidos

Location: Remote

Posted Jan 22, 2025

Leidos' Multi Domain Solutions Division is seeking a Site Reliability Engineer for a US Space Force program. The role involves delivering IT and support services, ensuring mission success and adherence to DoD standards. The engineer will design, develop, and deploy systems in a hybrid Microsoft Azure environment, focusing on reliability, availability, and maintainability. Key responsibilities include developing reliability test plans, analyzing test data, managing risks, and ensuring compliance with DoD reliability standards. The ideal candidate should have a SECRET Clearance, relevant degree, and extensive experience with Microsoft Azure and DoD reliability standards. Preferred qualifications include experience with embedded systems, complex aerospace systems, and DevSecOps environments.

Substation Civil Structural Engineer

Company: Leidos

Location: Minneapolis, MN

Posted Jan 22, 2025

Security Technical Surveillance Countermeasures (TSCM) Program Specialist

Company: Leidos

Location: Chevy Chase, MD

Posted Jan 22, 2025

Job Description:Develop, implement, and maintain TSCM programs and capabilities.Conduct physical and technical assessments to identify vulnerabilities and recommend mitigation.Perform Technical Surveillance Countermeasures (TSCM) inspections and TEMPEST surveys.Conduct acoustic testing to determine ICD 705 waiver requirements.Research and develop policy and instruction at the agency and ICD level.

Senior Information Systems Security Officer

Company: Leidos

Location: Annapolis Junction, MD

Posted Jan 22, 2025

Frequently Asked Questions

What is it like to work at Leidos?
Leidos offers a collaborative environment focused on mission‑driven projects. Employees benefit from flexible work arrangements, competitive health coverage, and tuition‑support programs. The culture emphasizes continuous learning, with internal training and certification pathways for cybersecurity, cloud, and data science.
What types of positions are available at Leidos?
Leidos needs talent in software development, data analytics, AI research, cybersecurity, systems engineering, project management, and technical writing. Roles range from entry‑level developers to senior architects, with opportunities in cloud platforms, edge computing, and defense‑grade systems.
How can I stand out as a Leidos applicant?
Tailor your resume to highlight mission‑aligned projects, quantify results, and list relevant certifications (e.g., CISSP, AWS Certified Solutions Architect). Showcase problem‑solving through portfolio or code samples, and mention experience with agile or defense‑grade standards. Leverage employee referrals through the Leidos LinkedIn group and prepare to discuss how your background supports national security or public‑health initiatives.

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