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.
System Maintainer - Tier 2 (shift) - TS/SCI with Poly
Company: Leidos
Location: Ripon, United Kingdom
Posted Jan 21, 2025
Electrical Engineering Intern
Company: Leidos
Location: Xenia, OH
Posted Jan 21, 2025
Leidos' ISR MEP/PED Systems Division is offering an Electrical Engineering Intern position in Beavercreek, Ohio. The role involves supporting the Air Force Research Labs (AFRL) Sensors Directorate, Rapid Technology Development & Demonstrations (RTD2) program. Key responsibilities include designing electrical components for military R&D platforms, generating wiring schematics, building wire harnesses, participating in testing, documenting solutions, and using modeling tools. The ideal candidate should be pursuing a Bachelors in Electrical Engineering, have strong communication skills, and preferably possess a DoD Secret (or higher) Clearance, previous CAD experience, and DoD/Military electrical hardware experience.
Zero Trust Architect
Company: Leidos
Location: Stuttgart, Germany
Posted Jan 21, 2025
Leidos Digital Modernization sector is seeking an experienced Zero Trust Architect to support a Department of Defense organization in Stuttgart, Germany. The position requires travel OCONUS and holds a current DoD Top Secret/SCI clearance. The job involves designing and implementing a Zero Trust security architecture, collaborating with cross-functional teams, and ensuring secure access and network configuration.
Senior Contracts Manager
Company: Leidos
Location: Reston, VA
Posted Jan 21, 2025
Leidos is seeking a Senior Contract Manager for its National Security Sector to support the Department of Homeland Security (DHS) and its agencies. The role involves overseeing a portfolio of contracts, ensuring compliance, and managing contract administration for various contract types. The candidate must have extensive experience in DHS contracts, proposal development, and contract negotiation. They should be able to work independently and collaboratively, possess strong interpersonal skills, and have a strategic mindset. Proficiency in Adobe and Microsoft Office Suite, along with a Top-Secret clearance, is required. The pay range is $112,450.00 - $203,275.00.
Information Security Systems Engineer
Company: Leidos
Location: Frederick, MD
Posted Jan 21, 2025
The Information Security Systems Engineer (ISSE) role involves providing Information Assurance (IA) Architecture Analysis and Security Engineering Support for the National Leadership Command Capability (NLCC) in support of Nuclear Command, Control, and Communications (NC3), Continuity of Government (COG), and Senior Leader communications. The ISSE will act in a consultant-like role, delivering threat-informed cybersecurity products such as risk assessments, architecture reviews, and engineering guidance. Key responsibilities include conducting cybersecurity risk assessments, supporting real-time threat detection and mitigation, analyzing candidate architectures, researching emerging technologies, and aiding in the development of innovative solutions. The role requires a Bachelor's degree in a related field, 7+ years of experience as an ISSE, CISSP or CASP certification, expertise in Risk Management Framework (RMF), and knowledge of NIST Special Publications 800 Series, CNSSI 1253, and DoD 8500. Clearance: Active TS/SCI with polygraph, US Citizenship required.
Electro-Mechanical Technician
Company: Leidos
Location: Huntsville, AL
Posted Jan 21, 2025
Leidos, a diverse and talented team-focused company, is seeking an experienced Electro-Mechanical Technician for their Defense Systems division. The role involves leading a team to design and build hardware for complex problems, requiring skills in reading schematic drawings, building electrical/mechanical systems for DoD, and IPC-WHMA-A-620 training. The ideal candidate should be a resident or willing to relocate to Huntsville, North Alabama, a US Citizen with a Final Secret Clearance or eligibility. The position offers a competitive pay range and opportunities for career growth.
Short Term or As Needed Coverage , MFLC Counselor , Miramar (CA)
Company: Leidos
Location: Oceanside, CA
Posted Jan 21, 2025
Leidos is seeking passionate, licensed mental healthcare providers to join their Mission Ready Reserve (MRR) program as Military and Family Life Counselors (MFLCs). This role involves providing counseling services to military service members and their families, preventing mental health issues from escalating. MFLCs can support adults or minors in various settings, including military units, families, and schools. The MRR model offers benefits like no insurance filing, no progress notes, and free CEUs. Responsibilities include face-to-face counseling, referrals, presentations on social skills, and building rapport with military families. The position is based at Marine Corps Air Station in Miramar, CA, with potential for other short-term assignments.
Onsite Construction Manager - Electrical Engineer
Company: Leidos
Location: Philadelphia, PA
Posted Jan 21, 2025
Leidos is looking for an Electrical Engineer with construction management experience to join the NISC IV team. The role involves supporting the FAA's Eastern Service Area, overseeing construction projects for Air Traffic Control facilities across the eastern US and Caribbean. The ideal candidate should have a Bachelor's or Master's in Electrical Engineering, relevant construction experience, and ability to travel extensively. Key responsibilities include ensuring contractor compliance with FAA policies, on-site supervision, quality assurance, and project management tasks.
HRIS Data Analyst - Bethesda TS/SCI Poly
Company: Leidos
Location: Chevy Chase, MD
Posted Jan 21, 2025
Leidos is seeking a Journeyman HRIS Data Analyst with TS/SCI clearance for a critical Intelligence Community program in Bethesda, MD. The role involves managing and conducting data analysis, developing data models, extracting data, and collaborating with EEO leadership. Leidos offers competitive benefits and a supportive work environment. The ideal candidate should have 4-8 years of experience, strong analytical skills, and proficiency in MS Office, ETK EEO, COTS Data tools, Tableau, and SQL.
Information System Security Officer (ISSO)
Company: Leidos
Location: O'Fallon, IL
Posted Jan 21, 2025
Leidos is seeking an Information System Security Officer (ISSO) 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 responsibilities include assisting in the development of local unit Cybersecurity programs, gathering data for compliance analysis, and providing Cybersecurity assessments and solutions to commanders. The ISSO will also supervise a team, handling administrative tasks and on-the-job training for personnel. Qualifications include a current TS/SCI security clearance, relevant experience, and education. The pay range is $85,150.00 - $153,925.00.