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.

Principal Software Scientist

Company: Leidos

Location: San Diego, CA

Posted Jan 21, 2025

Leidos Innovations Center's Information and Data Science Division is seeking a Senior Software Scientist to lead strategic solution development. The role involves developing innovative software solutions for DARPA and DoD, leading teams, and collaborating on AI-driven innovations. The ideal candidate should have a proven track record in software R&D, formal verification, and applied research in CPS.

Administrative Assistant

Company: Leidos

Location: Reston, VA

Posted Jan 21, 2025

Leidos is seeking a skilled Administrative Assistant for their Corporate Legal Department in Reston, VA. The role involves providing administrative support to multiple teams, coordinating travel and expense reports, preparing documents, managing professional memberships, and arranging team activities and events. The ideal candidate should have excellent interpersonal skills, be open to learning new skills, and work well under pressure. Required qualifications include a high school diploma or GED, 5+ years of relevant experience, proficiency in Microsoft Office, strong communication skills, and the ability to work independently. A Bachelor's degree is preferred.

Software Tester

Company: Leidos

Location: San Antonio, TX

Posted Jan 21, 2025

Systems Engineer

Company: Leidos

Location: Aurora, CO

Posted Jan 21, 2025

District Growth Manager

Company: Leidos

Location: San Diego, CA

Posted Jan 21, 2025

Project Manager

Company: Leidos

Location: Gambrills, MD

Posted Jan 21, 2025

Leidos' Digital Modernization Sector is seeking an experienced Project Manager for the GIG Service Management - Operations II (GSM-O II) contract at Fort Meade, MD. The role involves managing a team to develop innovative solutions, pursuing growth opportunities, and managing work authorizations, timecards, and charging time against plan. The successful candidate will also manage staff growth, performance, and professional development, and multiple concurrent tasks and projects. They will work closely with technical resources, stakeholders, and the DISA customer, communicating effectively at all levels. Basic qualifications include an active DoD SECRET Clearance, a Bachelor's degree or Master's degree with relevant experience, excellent communication and management skills, and Project Management experience. Preferred qualifications include PMP Certification, DISA Experience, ITIL knowledge, and experience in Firm Fixed Performance Based Contracts.

Jr. Full Stack Engineer

Company: Leidos

Location: Gaithersburg, MD

Posted Jan 21, 2025

Site Reliability Engineer

Company: Leidos

Location: Colorado Springs, CO

Posted Jan 21, 2025

Short Term or As Needed Coverage - MFLC Counselor - Fort Cavazos, TX

Company: Leidos

Location: Harker Heights, TX

Posted Jan 21, 2025

Leidos is recruiting licensed behavioral health professionals for their Military and Family Life Counselor (MFLC) program at Fort Cavazos Army Base. The role involves providing non-medical counseling to military service members and their families, addressing issues before they escalate. Benefits include no insurance filing, no progress notes, and a paid federal holiday schedule. The position is flexible, with shifts both locally and potential travel for short-term coverage. Candidates must be U.S. citizens with a valid independent mental health license.

Infrastructure Engineer

Company: Leidos

Location: San Diego, CA

Posted Jan 21, 2025

Leidos is seeking an Infrastructure Engineer to work in San Diego, CA on a new opportunity supporting the U.S. Special Operations Command (USSOCOM) Enterprise Development, Application, and Training (EDAT) mission. The program focuses on providing innovative solutions and enterprise architecture enhancements to enable seamless operations across USSOCOM's global network.

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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