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.
Electro-Mechanical Assembler
Company: Leidos
Location: Summerville, SC
Posted Jan 22, 2025
Leidos is seeking an Electro-Mechanical Assembler for its new Ladson, SC facility. The role involves assembling sub-assemblies and finished systems, reading and interpreting work instructions, and conducting quality checks. The ideal candidate should have 1+ years of manufacturing or R&D experience, a high school diploma, and the ability to obtain a Public Trust clearance. Preferred qualifications include IPC certifications. The company offers a competitive pay range and is part of the Security Enterprise Solutions team, which provides automated threat detection systems worldwide.
Information Systems Security Engineer (ISSE)
Company: Leidos
Location: Annapolis Junction, MD
Posted Jan 22, 2025
Energy Advisor
Company: Leidos
Location: Detroit, MI
Posted Jan 22, 2025
Leidos is currently seeking multiple Energy Advisors for positions in Detroit, Michigan. These roles involve marketing and supporting energy-efficiency programs at large industrial and commercial facilities. The ideal candidates should possess excellent outreach, sales, communication, and organizational skills. They must be able to identify efficiency opportunities, calculate energy savings, and maintain strong customer relationships. The positions offer a competitive salary range of $70,000 - $150,000, depending on the level of experience. Leidos values its employees, offering career advancement, growth opportunities, and a supportive work-life balance.
Senior Mechanical Engineer
Company: Leidos
Location: Springfield, VA
Posted Jan 22, 2025
Leidos, a technology-enabled solutions provider for defense and intelligence customers, is seeking a Senior Mechanical Engineer for a new opportunity. The role involves designing, estimating, scheduling, and overseeing mechanical systems including HVAC, plumbing, and fire protection. The ideal candidate should have a TS/SCI security clearance, a Mechanical Engineering degree, and extensive experience in mechanical systems design. They must be proficient in AutoCAD, Microsoft 365, and have strong communication skills. The position offers a competitive pay range and the chance to work on critical infrastructure projects.
Sr. FOIA Analyst TS/SCI Polygraph $5k SIGN ON BONUS!
Company: Leidos
Location: McLean, VA
Posted Jan 22, 2025
Leidos, a company dedicated to innovative solutions and customer success, is seeking a Senior FOIA Analyst with a TS/SCI security clearance for a critical Intelligence Community program in McLean, VA. The role involves responding to FOIA, PA, and MDR requests, supporting lawyers in litigation, and developing training on FOIA and privacy processes. The company offers competitive benefits and a supportive work environment.
Test Engineer (SME)
Company: Leidos
Location: Reston, VA
Posted Jan 22, 2025
Leidos is seeking a Senior Test Engineer to join their team, focusing on developing and executing automated testing scripts within a SAFe Agile DevSecOps pipeline. The role involves participating in Agile software development initiatives, collaborating with team members to assess StoryPoint/complexity efforts, and developing test validation scripts using Python. The ideal candidate should have expertise in scripting languages, software performance testing, and working within Commercial Cloud Platforms like AWS. They must possess excellent communication skills and an active TS/SCI with Polygraph. A MS degree with 15+ years of relevant experience is required, with preferred qualifications including experience with MS Windows Server or Linux environments and direct experience with AWS environments.
Sr. Contracts Representative
Company: Leidos
Location: Reston, VA
Posted Jan 22, 2025
Leidos is seeking an experienced Senior Contracts Representative for their Decision Advantaged Solution Business Area in the National Security Sector. The role involves overseeing major proposals, monitoring contracts, and resolving complex contractual issues. The candidate will report to the Contracts Director and manage a diverse portfolio of contracts. Key responsibilities include providing oversight, evaluating proposals, negotiating agreements, and ensuring compliance with Leidos policies. The ideal candidate should have a BA/MA/JD degree, relevant experience, and a strong background in Federal Acquisition Regulations. U.S. Citizenship and clearance eligibility are required. The position is based in Reston, Virginia or St. Louis, Missouri, with potential for hybrid work.
MFLC Counselor: Short Term or As Needed Coverage, Hawaii
Company: Leidos
Location: Honolulu, HI
Posted Jan 22, 2025
Leidos is seeking passionate, licensed mental healthcare providers for a Mission Ready Reserve (MFLC) position in Honolulu, Hawaii. This role involves providing counseling services to military service members and their families, with no insurance or paperwork hassles. MFLCs proactively offer preventative counseling, addressing issues before they escalate. The position offers flexibility, with no progress notes or treatment plans required. Benefits include unlimited free CEUs, job-related license renewal reimbursement, 401K eligibility, referral incentives, and access to health and wellness programs. The role involves face-to-face counseling, presentations on social skills development, and building rapport with military families through community events. The position is interim, with potential for long-term impact on those who serve our nation.
RCx Energy Advisor
Company: Leidos
Location: Grand Rapids, MI
Posted Jan 22, 2025
Leidos is seeking multiple RCx Energy Advisors/Engineers for industrial and commercial facilities near Detroit, Michigan. These positions offer a unique career opportunity for dynamic individuals with strong technical, communication, and organizational skills. The role involves identifying RCx efficiency opportunities, conducting site surveys, and delivering presentations. A Bachelor's degree in engineering or related technical field is required, with salary ranges varying based on experience. Leidos values diversity, offers career advancement, and promotes a healthy work-life balance.
TRICARE Beneficiary Services Representative Floater- Lakenheath
Company: Leidos
Location: Newmarket, United Kingdom
Posted Jan 22, 2025
Leidos is seeking a Beneficiary Services Representative Floater for a job in Lakenheath, England. The role involves providing education and enrollment services for the TRICARE Overseas Program, serving as a TRICARE liaison, and assisting in operating an integrated healthcare delivery system for military families overseas. The job offers competitive benefits, including PTO packages, paid holidays, tuition assistance, and a referral bonus program. The ideal candidate should have a high school diploma or GED, be a US citizen, and be eligible for ADP II/IT II clearance. Experience in U.S. military healthcare, civilian managed care, or medical/clinical environments is required, along with proficiency in CHCS or civilian healthcare computer systems. Fluency in English, strong communication skills, and the ability to work independently are desired.