Jobs at Leidos

26,589 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.

Executive Administrative Assistant

Company: Leidos

Location: Alexandria, VA

Posted Oct 02, 2024

Leidos, a company dedicated to delivering innovative solutions, is seeking an Administrative Assistant for its National Security Sector. The role involves managing and maintaining the AWG website and budget, collaborating with programmers, and supporting DoD Senior Leadership. The ideal candidate should have a Bachelor's Degree, 7+ years of experience in executive support, and an active DoD TS/SCI Clearance. PMP certification and proficiency in Microsoft Office suite are preferred. The job offers a competitive pay range and the opportunity to thrive in a supportive, diverse environment.

Secure Communications Encryption Expert

Company: Leidos

Location: Riyadh, Saudi Arabia

Posted Oct 02, 2024

Leidos is offering a one-year assignment, with potential renewal, for a Secure Communications Encryption Expert to support a US Air Force Foreign Military Sales program in the Kingdom of Saudi Arabia. The role involves developing improvement plans for COMSEC management, executing tasks assigned by the Head of Department, establishing comprehensive training programs, and providing train-the-trainer instruction. Basic qualifications include a Bachelor's degree and 10 years of directly related experience, or 15 years with proper certification. Bilingual Arabic/English is required, along with supervisory and managerial experience in COMSEC management, and experience with specific encryption devices and secure communications hardware. The job requires strong communication skills and US citizenship with an active SECRET level security clearance.

Military Family Life Counselor - (School)

Company: Leidos

Location: Harker Heights, TX

Posted Oct 02, 2024

Leidos is recruiting licensed behavioral health professionals to join their Military and Family Life Counselor (MFLC) Child and Youth Behavioral team at Fort Cavozos Military Installation near Killeen, TX. This is a 9-month school calendar position. The role involves providing non-medical support, including counseling, consultation, and outreach, to military families. Responsibilities include working at schools with military youth, offering presentations on social skills development, building rapport with parents, and assisting with transition adjustments. Benefits include no insurance filing, no progress notes, no treatment plans, an iPad for digital reporting, paid federal holidays, free training, license renewal reimbursement, and 401K eligibility. The role requires a master's degree or higher in Behavioral Health Professions and a valid independent license in the mental health field from any US state or territory.

Structural Test Engineer

Company: Leidos

Location: Decatur, AL

Posted Oct 02, 2024

The Space Division at Leidos is seeking a Structural Test Engineer for their Decatur, AL test facility. The role involves performing structural qualification testing on large hardware with up to 4 million pounds of load. Key responsibilities include assembly, integration, and test activities for space structures, systems, and hardware. The candidate will be required to perform test planning, execution, scheduling, and resource management. They will also lead tooling and ground support equipment development, and interface with customers routinely. The ideal candidate will have a Bachelor of Science degree in Mechanical or Aerospace Engineering, and at least 8 years of related experience in the aerospace or structural testing. Preferred qualifications include experience with MOOG Control systems, HBM Data systems, and launch vehicle hardware and physical integration.

Systems Engineering Technician

Company: Leidos

Location: Chevy Chase, MD

Posted Oct 02, 2024

Leidos' High Fidelity Simulation Business Area is seeking a Systems Engineering Technician. The role involves working with cutting-edge technology to shape naval training systems. The job offers stability, growth, flexibility, and impactful work. The candidate must have a Technical AA degree or equivalent, or relevant Navy experience, and a U.S. security clearance. Previous experience with audio systems, secure IT systems, and tools like Linux, Atlassian Products, AutoCAD is desired. The pay range is $53,950.00 - $97,525.00.

Cyber Security Engineer

Company: Leidos

Location: St. Louis, MO

Posted Oct 02, 2024

Leidos is looking for a Cyber Security Engineer to work on an IC customer program. The engineer will be responsible for integrating, operating, and sustaining various systems, both legacy and in development. They will need to be a self-starter with strong analytical and problem-solving skills, and the ability to manage multiple tasks. The engineer will work with internal teams and leadership to ensure system functionality, security, and scalability. They will design and develop cyber security technology, maintain enterprise-wide cyber systems and networks, and have expertise in security assessment and authorization. The ideal candidate will have a TS/SCI security clearance, a relevant degree, and several years of experience. Familiarity with AWS, system engineering documentation, and collaboration tools is preferred.

Kibana Software Engineer

Company: Leidos

Location: Fort Meade, MD

Posted Oct 02, 2024

The Leidos Digital Modernization Sector is seeking a UX/UI Software Engineer to join the Innovations Group on the GSM-O II JMT Program. The successful candidate will work on the SA/COP Team to architect, design, and develop a unified UX/UI on the Kibana platform. They will collaborate with operational end users and support teams, conducting usability studies and designing UI mockups and wireframes. The role requires strong communication skills, software development experience with Python, Java, and SQL, and knowledge of HTML and JavaScript. The candidate must be able to obtain a Secret DoD Security clearance and Security+ certification within 14 days of start date. Preferred qualifications include experience with Elastic/Kibana, JavaScript, HTML, CSS, JSON/REST APIs, AWS, and DevOps/DevSecOps concepts.

Software Engineer

Company: Leidos

Location: Laurel, MD

Posted Oct 02, 2024

Leidos is seeking a Senior Software Engineer with a TS/SCI polygraph clearance for a role in Fort Meade, MD. The position involves developing data collection and analysis tools for Windows Blue Team's Systems Vulnerability Analysts. The ideal candidate should have a Computer Science degree, knowledge of Windows architecture, and experience with PowerShell and Windows scripting/development. Leidos offers a competitive benefits package and opportunities for professional growth. The pay range is $101,400.00 - $183,300.00.

Quality Engineer and Control Representative

Company: Leidos

Location: Gambrills, MD

Posted Oct 02, 2024

Leidos is supporting the Defense Information Systems Agency (DISA) in centralizing Common Use IT infrastructure for the Department of Defense's Fourth Estate agencies. The QEC Representative will focus on supporting the DES Program, ensuring all performance standards and contract deliverables are in conformance with the contract and performance work statement. The role involves Quality Management, Performance and Control, Internal Audits, and Continual Improvement. Required experience includes a Bachelor's degree in a related discipline with 4-8 years of professional experience, and a DoD Secret Security Clearance. Familiarity with Government and DoD IT and security policies, ISO 9001:2015, CMMI-SVC, and Lean Six Sigma Green Belt certification is preferred.

Network Systems Administrator

Company: Leidos

Location: Virginia Beach, VA

Posted Oct 02, 2024

Leidos National Security Sector is seeking an experienced Network Systems Administrator for a 6-month on, 3-month off rotating mission aboard government-owned Ocean Surveillance Ships. The role involves maintaining shipboard network connectivity, repairing CISCO servers, switches, and routers, and assisting with network and communications systems repairs, upgrades, and installations. The position requires a Bachelor's degree in Computer Science or related discipline, or equivalent experience, along with relevant certifications. The role offers a competitive salary range of $55,250.00 - $99,875.00, along with benefits such as medical, dental, vision, 401K, paid holidays, floating holidays, and bonuses for mission completion.

Embedded Firmware Developer

Company: Leidos

Location: Huntsville, AL

Posted Oct 02, 2024

Leidos Defense Systems Sector is seeking a skilled Embedded Firmware Developer to join a diverse team. The ideal candidate will have experience in embedded software development, real-time software principles, and FPGA system design. They must be a self-starter with leadership skills and experience working with inter-disciplinary teams. The role involves developing architectures for embedded systems integrated into aerospace and military systems. The candidate must possess a Bachelor's degree in Electrical or Computer Engineering with 8+ years of relevant experience or a Master's degree with 6+ years of experience. They should be a US Citizen and eligible for a Secret Clearance.

Energy Advisor

Company: Leidos

Location: East Lansing, MI

Posted Oct 02, 2024

Leidos is seeking multiple Energy Advisors to market and support energy-efficiency programs at large industrial and commercial facilities near Detroit, Michigan. The positions offer a unique career opportunity for dynamic individuals with excellent outreach, sales, communication, and organizational skills. The role involves identifying efficiency opportunities, calculating energy savings, maintaining strong customer relationships, and delivering presentations. Leidos values diversity and invests in employees' future through career advancement, growth opportunities, and continuous improvement. The pay range is $55,250.00 - $99,875.00.

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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