Jobs at Leidos

Positions 26,589

Leidos is a global science, technology, and innovation company that partners with government agencies, defense, intelligence, and health organizations. Founded in 1969, the firm leverages advanced analytics, cybersecurity, and aerospace solutions to drive national security and public health outcomes.

Leidos hires software engineers, data scientists, cybersecurity analysts, systems architects, project managers, and field service technicians. Candidates can expect rigorous technical interviews, collaborative cross‑disciplinary teams, and opportunities to work on classified defense projects or large‑scale health data initiatives.

By browsing Leidos open positions on Job Transparency, job seekers gain immediate access to salary ranges, employee satisfaction metrics, and real‑time market benchmarks. This data empowers applicants to negotiate offers, assess fit, and compare compensation across similar roles in the tech sector.

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

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.

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.

Frequently Asked Questions

What is it like to work at Leidos?
Leidos fosters a mission‑driven culture where employees collaborate across engineering, analytics, and defense domains. The company offers competitive benefits, continuous learning programs, and a focus on work‑life balance. Employees often cite high engagement scores, frequent opportunities to contribute to national‑security projects, and access to cutting‑edge technology as key positives.
What types of positions are available at Leidos?
Leidos hires in software development, cybersecurity, data science, systems engineering, project management, logistics, and field service roles. The company also offers positions in intelligence analysis, health informatics, and supply‑chain optimization across its defense, intelligence, civil, and health markets.
How can I stand out as an applicant for Leidos?
Showcase relevant project experience that aligns with Leidos’ domains—e.g., defense‑grade software, secure data pipelines, or health‑tech analytics. Highlight certifications such as CISSP, CompTIA Security+, AWS Certified Solutions Architect, or PMP. Include measurable results, use Leidos‑specific keywords, and prepare to discuss how your work supports mission‑critical outcomes.

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