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.

Information System Security Officer (ISSO)

Company: Leidos

Location: O'Fallon, IL

Posted Nov 09, 2024

Leidos is seeking Information System Security Officers (ISSOs) with current TS/SCI security clearance for potential openings at Scott AFB, IL. The ISSO will support the ACC Cybersecurity Chief Information Security Officer and unit ISSOs in maintaining a robust cybersecurity program. Key duties include assisting in the development of local unit cybersecurity programs, gathering data for compliance reports, interacting with local units and HHQ IISMs for cybersecurity assessments, and providing on-the-job training to personnel. Qualifications include a TS/SCI security clearance, relevant experience, IAT Level II certification, and experience with AF and IC plans and policies.

Principal Mechanical Engineer

Company: Leidos

Location: Albuquerque, NM

Posted Nov 09, 2024

Leidos is seeking a Principal Mechanical Engineer with extensive experience in weapon systems development for the Department of Defense. The ideal candidate will have superior analytical skills, be able to work independently and collaboratively, and possess strong communication abilities. The role involves creating 3D models, conducting mechanical analysis, and providing technical direction. The successful candidate will work in a research and development environment, guiding the team to incorporate directed energy technologies into weapon systems. The job requires US citizenship, a DoD security clearance, and the ability to work with minimal supervision. The pay range is $122,200.00 - $220,900.00.

Desktop Engineer

Company: Leidos

Location: Rockville, MD

Posted Nov 09, 2024

Leidos' Health Solutions is seeking a Desktop Engineer for a federal agency's mission-critical 24/7/365 enterprise Service Desk. The role involves providing on-site and remote support for computer workstations, printers, peripherals, and teleconferencing equipment. The candidate must possess exceptional communication skills, technical, and analytical skills. They should have experience in resolving technical client support issues, performing troubleshooting, and providing data analysis. The position requires proficiency in MDM including Intune, Windows Autopilot, and Jamf Pro, and knowledge of IT Service Management, Customer Service, and Service Level Agreements (SLA). The ideal candidate will have a Bachelor's degree, preferably in Mathematics, Information Technology, Computer Science, Engineering, Business Administration, or Project Management, or equivalent experience. They must have at least four years of experience in troubleshooting end-user hardware and peripherals, operating systems, imaging, software applications, network connectivity, configuration, security compliance, Active Directory administration, and endpoint management.

District Growth Manager

Company: Leidos

Location: Portland, OR

Posted Nov 09, 2024

Leidos Energy, Infrastructure & Automation (EIA) is seeking a District Growth Manager. The role involves leading cross-functional teams to develop and implement client pursuit strategies, researching industry trends, developing client relationships, forecasting business opportunities, overseeing marketing strategies, and managing business proposals. The ideal candidate should have a bachelor's degree, 5+ years of relationship management, strong networking skills, excellent communication abilities, and the capacity to travel up to 75% of the time. The pay range is $81,250.00 - $146,875.00.

Air Force Acquisition Operational Energy Analyst

Company: Leidos

Location: Arlington, VA

Posted Nov 09, 2024

Leidos is seeking an Acquisition Operational Energy Analyst to support the Deputy Assistant Secretary of the Air Force for Operational Energy at the Pentagon in Arlington, VA. The role involves coordinating and maintaining program documents, providing updates to leadership, and participating in strategic planning activities. The position requires a Secret clearance and eligibility for Top Secret/SCI. A Bachelor's degree and at least 8 years of relevant USAF acquisition/operations experience are necessary, with DoD acquisition experience preferred.

Solution Architect

Company: Leidos

Location: Remote

Posted Nov 09, 2024

Leidos is seeking a Solution Architect for a high-level security clearance role in Huntingdon, UK, with occasional travel to West London. The role involves working on diverse, complex, and secure systems, driving successful delivery, and realizing maximum business value. Key duties include providing architectural guidance, designing high-level designs, fostering an inclusive environment, enabling project delivery, collaborating with various teams, driving growth, managing suppliers, and possessing relevant technical skills. Leidos offers a competitive package including pension, medical insurance, annual leave, flexible benefits, and a commitment to diversity and inclusion.

Power Distribution Electrical Engineer

Company: Leidos

Location: Park Ridge, IL

Posted Nov 09, 2024

Leidos is seeking a talented Electrical Engineer for the National Airspace Systems Integration Support (NISC) program. The ideal candidate will support the FAA Central Service Area Engineering Services Infrastructure Team in Des Plaines, IL. Duties include planning and designing electrical systems, conducting on-site surveys, generating detailed reports, testing power systems, and coordinating with a multi-disciplinary team. The role requires a Bachelor's Degree in Electrical Engineering or a related field, at least 4 years of relevant experience, and proficiency in power system analysis software. The position offers a competitive pay range, flexible work arrangements, and opportunities for career development and growth.

Instructional Technologist

Company: Leidos

Location: Chantilly, VA

Posted Nov 09, 2024

Leidos is seeking a full-time Instructional Technologist to design, develop, deliver, and evaluate specialized and technical training. The role involves creating engaging classroom instruction, online learning modules, and experiential activities. The ideal candidate should be a talented, creative, detail-oriented, tech-comfortable, and people-focused learning designer. They will work as part of a team to support a dynamic specialized training program, conduct consultations, manage projects, and analyze training requirements. The position requires a current TS/SCI with polygraph clearance, a Bachelor's degree or higher in adult learning, education, or online learning, and at least 12+ years of relevant experience.

Systems Engineer, Simulation and Cooperative Driving Automation

Company: Leidos

Location: McLean, VA

Posted Nov 09, 2024

Leidos is seeking a Systems Engineer to join their team at the Saxton Transportation Operations Laboratory (STOL) in McLean, Virginia. The role involves working on cooperative driving automation software, smart infrastructure technology, and collaborative simulation tools. The ideal candidate should have a strong background in hardware and software integration, testing, and evaluation. Key responsibilities include collaborating with project teams, conducting simulation and field testing of automated vehicles and connected infrastructure, and overseeing integration, verification, validation, and regression testing. The candidate should have a Bachelor's degree or higher in a related field, 2+ years of experience in a laboratory or test environment, and proficiency in C++, Python, Linux, and Agile Scrum methodology.

Microelectronics ASIC Design Engineer

Company: Leidos

Location: San Diego, CA

Posted Nov 09, 2024

The EW Division of Leidos is seeking a Microelectronics Design Engineer to collaborate with a diverse team on innovative microelectronics design. The role involves DSP algorithms implementation in MATLAB and FPGAs, integration, test, and verification. The candidate will support technical assessments, interface with various stakeholders, conduct experimental tests, and provide status reports. Basic qualifications include U.S. citizenship, a degree in a related field, and experience in DSP, FPGA, and microchip EDA tools. A master's degree and additional years of experience are preferred.

Information Operations SME - Cyber Ops

Company: Leidos

Location: Gambrills, MD

Posted Nov 09, 2024

Leidos, a company dedicated to delivering innovative solutions and contributing to communities, is hiring for an Information Operations Subject Matter Expert. The role involves providing expert guidance and direction to planning activities, developing strategies and doctrines, conducting campaign assessments, and ensuring secure IT communications. The ideal candidate should have a Top Secret/SCI security clearance, a degree in a relevant field, and at least 10 years of experience in Information Operations. They should also possess knowledge of Joint targeting, intelligence analysis, and the Joint planning process. The role offers opportunities for operational improvement, collaboration across agencies, and working with advanced technologies.

Residential Field Energy Specialist

Company: Leidos

Location: Peoria, IL

Posted Nov 09, 2024

Leidos is seeking a Residential Field Energy Specialist to manage relationships with Program Allies, oversee project flow, and ensure production goals are met. The role involves training, recruiting, and orienting Program Allies, maintaining Program Ally system records, and providing technical support. The ideal candidate will have a Bachelor's degree, strong communication skills, and relevant experience. Leidos offers career advancement, growth opportunities, and a supportive work environment.

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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