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 Radar Software Engineer

Company: Leidos

Location: Huntsville, AL

Posted Nov 09, 2024

Leidos Defense Systems is looking for a skilled Principal Radar Software Engineer to join their team in Huntsville, AL. The role involves developing radar system software models for RF and EW projects, assessing operator-in-the-loop effects, and creating threat models. The ideal candidate should have a degree in Computer Science, Electrical Engineering, or related field, with 12+ years of experience, proficiency in C++ and digital signal processing, and familiarity with MATLAB or Python. Knowledge of radar fundamentals and electronic warfare is a plus. The job offers a competitive pay range and the opportunity to work on challenging projects in a highly technical team.

Principal Software Engineer

Company: Leidos

Location: Reston, VA

Posted Nov 09, 2024

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 and direct major deliverables of projects through all aspects of the software development lifecycle. Key responsibilities include software programming initiatives, system validation and testing, and leveraging automated deployment technologies. The ideal candidate will have proficiency in Java, Angular, Spring, and C2S, along with experience in the software development lifecycle and DevOps toolsets. Excellent communication skills and experience with version control and issue tracking systems are also required. US Citizenship and an active TS/SCI with Polygraph are mandatory.

Capture Manager - Federal Health and Civil Professional Services

Company: Leidos

Location: Reston, VA

Posted Nov 09, 2024

Leidos Health & Civil Sector Capture Excellence Group is recruiting a Capture Manager to lead high-performing teams in securing business opportunities. The ideal candidate should have experience in winning $50 to 200M+ awards from US Government customers in health-related offices and/or civilian agencies. The role involves developing a capture plan, managing the capture team, and focusing on final proposal submission. The position offers exposure to other customers, markets, and technologies, and emphasizes employee well-being. Basic qualifications include a Bachelor's degree, 10 years of related experience, and a proven track record in capture management.

Windows Systems Administrator, Senior

Company: Leidos

Location: Vicksburg, MS

Posted Nov 09, 2024

Leidos is seeking a Senior Windows Systems Administrator for their DoD HPC Modernization Program in Vicksburg, MS. The role involves standard Windows System Administration, coordination with network and security teams, and additional duties such as setting up accounts, developing policies, and participating in system installations. Required qualifications include a Bachelor's degree, DoD 8570 certification, and experience with Windows systems. Preferred skills include experience with software compilation, storage architectures, multi-factor authentication, and various technologies like Python, Apache, VMWare, Red Hat, BIND, Ansible, and Gitlab. The pay range is $68,900.00 - $124,550.00.

SecDevOps Technical Lead

Company: Leidos

Location: Chantilly, VA

Posted Nov 09, 2024

Leidos National Security Sector is seeking an experienced SecDevOps Lead to lead a diverse team of technical staff. The role involves ensuring continuous operation, maintenance, and security of an Intelligence Community customer's intelligence discovery website and application suite. Key responsibilities include enhancing and maintaining the CI/CD pipeline, automating infrastructure management, performing database administration, and developing scripts for automation. The candidate will work closely with government leads and stakeholders, participating in Agile release planning and other meetings. They will also provide Tier 1, 2, and 3 help desk support, ensuring system compatibility with all integrated dissemination applications. Active TS/SCI security clearance with polygraph clearance is required, along with a BS in Engineering, Computer Science, Systems Engineering, or related field, and 10+ years of experience in software development or related field.

Electrical System Design Engineer

Company: Leidos

Location: Huntsville, AL

Posted Nov 09, 2024

Leidos Defense Sector is looking for a skilled Electrical System Design Engineer to join their team in Huntsville, AL. The ideal candidate will have a Bachelor's degree in Electrical Engineering or related field, and at least 2 years of relevant experience. The role involves system level electrical design, parts selection, new hardware design verification testing, and system level integration activities. The candidate will primarily focus on the Enduring Shield ground based force protection system, but there are also opportunities to work on other mission-critical systems. The position requires strong collaboration skills, effective communication, and hands-on laboratory experience with instrumentation and test equipment. Candidates must be a US Citizen with a Final Secret Clearance or eligible to obtain one.

Cyber Intrusion Analyst - Top Secret

Company: Leidos

Location: Kapolei, HI

Posted Nov 09, 2024

Leidos is seeking Cyber Intrusion Analysts for the Network Assurance Team in Pearl Harbor, Hawaii. The role involves working closely with government counterparts, maintaining cyber system security, coordinating incident response, and providing C2 support. Key responsibilities include network traffic analysis, threat data review, and developing custom signatures. The ideal candidate will have a DoD Top Secret clearance, a Bachelor's Degree, and relevant experience. Preferred qualifications include additional IA certifications, UNIX skills, and experience with malware analysis.

Automated Software Testing Developer

Company: Leidos

Location: Chantilly, VA

Posted Nov 09, 2024

Leidos is hiring an Automated Testing Software Developer for a government contract in the National Capital Region. The ideal candidate will develop test programs using LabVIEW or similar software, maintain hardware and software for automated testing systems, and support a software configuration management system. The role involves writing and maintaining source code, creating software applications, and applying frameworks for software releases. The candidate must have an active TS/SCI clearance, a Bachelor's degree, and 8 years of relevant experience. Demonstrated experience with LabVIEW, electronic devices, and commercial test equipment is required. The role also involves training other users, communicating with internal and external teams, and attending meetings and reviews.

Mobile Application Development Technical Lead

Company: Leidos

Location: Reston, VA

Posted Nov 09, 2024

Leidos National Security Sector is seeking an experienced Mobile Application Technical Lead to lead a team in designing and developing a mobile intelligence delivery application for a critical Intelligence Community customer. The role involves replacing a legacy solution with a new application on iOS and Android devices, facilitating the compilation of intelligence from various sources, and providing capabilities for global collaboration using AI/ML. The ideal candidate should be technically proficient in both front-end and back-end development, foster team collaboration, and have experience in software development, technology management, or a related field. Active TS/SCI security clearance with polygraph capability is required. The role offers a competitive pay range of $122,200.00 - $220,900.00.

Staff Operations Officer TS/SCI Poly

Company: Leidos

Location: Reston, VA

Posted Nov 09, 2024

Leidos is seeking a skilled and experienced Staff Operations Officer with an active TS/SCI with Polygraph security clearance for a challenging role in the Washington Metropolitan Area. The role involves providing operational research and analysis to support the client's intelligence acquisition objectives. The officer will interact with customer personnel, provide thorough briefings, and utilize customer-specific databases for research. Leidos values diversity, sustainability, and community contribution. The company offers opportunities for professional growth and a meaningful career.

Swahili Translators

Company: Leidos

Location: Reston, VA

Posted Nov 09, 2024

Leidos is seeking an experienced Swahili + another foreign language translator for a dynamic role. The ideal candidate will have expertise in translating, interpreting, and transcribing materials, with a strong understanding of regional dialects. They should possess excellent English-language verbal and written communication skills. The role involves a full range of activities and requires proficiency in MS Office and basic web research. Leidos offers opportunities for career growth and a meaningful career, with a competitive pay range of $68,900.00 - $124,550.00. The company is dedicated to its mission in the National Security Sector, using advanced technologies to support customers' missions.

Systems Engineers

Company: Leidos

Location: Capitol Heights, MD

Posted Nov 09, 2024

Leidos, a company dedicated to innovation and customer success, is seeking experienced IT Professionals for the Air Force National Capital Region IT Services program. The role involves supporting the Air Force District of Washington and Headquarters Air Force customers on NIPRNet and SIPRNet domains. Key responsibilities include providing technical leadership in IT planning, target architecture, solution specification, design, and implementation. Leidos is looking for ACAS Systems Engineers, Technical Project Managers, VMware Engineers, Linux Engineers, and SharePoint Systems Administrators. Qualifications include a Bachelor's degree in Information Technology, at least 4 years of relevant experience, a current DoD Top Secret clearance, and DoD 8570 compliance certs. Excellent analytical, problem-solving, and communication skills are required. The job posting anticipates a pay range from $81,250.00 to $146,875.00.

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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