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.
Technical Writer Intern
Company: Leidos
Location: Other US Location
Posted May 19, 2024
The job posting is for a Technical Writer Intern position at Leidos, with responsibilities including supporting the Office of Service Management Capability, assembling knowledge documents, and authoring process documentation. The job requires a current or matriculating college student with proficiency in Microsoft Office and ServiceNow, and US Citizenship.
SATCOM Network Engineer
Company: Leidos
Location: Fayetteville-Springdale-Rogers, AR
Posted May 11, 2024
Leidos is currently seeking a System Engineer for the Digital Modernization Sector to support the XVIII Airborne Corps HQS. This role involves providing Mission, SATCOM, and Network system engineering support under the GSM -O II Contract. Key responsibilities include IP network support, IP satellite modem support, troubleshooting SATCOM and IP network issues, and technical support for network changes and sustainment. The ideal candidate should have a Bachelor's degree or Master's degree with relevant experience, DoD 8570, IAT Level II (SEC+ or equivalent) Certification, and significant understanding of SATCOM architecture and MILSATCOM encryption devices. The pay range is $87,100.00 - $157,450.00.
Sr. ISSO
Company: Leidos
Location: Baltimore, MD
Posted May 12, 2024
Leidos is seeking an Information System Security Officer (ISSO) with an active TS/SCI Polygraph clearance for a position in Annapolis Junction, MD. The ISSO will support a large software development program, implementing and enforcing security policies, evaluating security solutions, and maintaining the operational security posture. The role requires a Bachelor's degree and 12-15 years of relevant experience, with a preference for DoD 8570 compliance and extensive experience in large software development programs.
RHN Network Engineer
Company: Leidos
Location: Other US Location
Posted May 12, 2024
Leidos is seeking a RHN Network Engineer for the Warfighter Readiness program in Augusta, GA. The role involves supporting the Regional Hub Node (RHN), managing network infrastructure, and implementing emerging technologies. The candidate will also be responsible for designing, integrating, and improving the PM-Tactical Network's infrastructure. The position requires an active DoD Secret security clearance, experience with Cisco hardware, and knowledge of DoD IA/RMF and IT regulations.
AI/ML Technical Advisor
Company: Leidos
Location: Washington DC
Posted May 11, 2024
Leidos is seeking an AI/ML Technical Advisor for the ARPA-H Program Managers. The role involves refining program concepts, guiding development of Technical Areas, addressing risks, ensuring a sound transition plan, and advising on a realistic program budget. The candidate must be a US Citizen with a Public Trust level 5, and be located in the US for at least 3 consecutive years. The position is mostly telecommuting with preference for candidates local to the DC Metro area. The ideal candidate should have a Master's Degree and 10 years of related experience in AI/ML, bioinformatics, and excellent communication skills. The pay range is $122,200.00 - $220,900.00.
Systems Engineer
Company: Leidos
Location: Albuquerque, NM
Posted May 19, 2024
The job posting is for a position integral to the design and development of flight computer systems, requiring an Electrical or Computer Engineering degree and TS or Q security clearance. Preferred qualifications include previous experience with Sandia Labs, firmware operating systems, and Python scripts. The pay range is $53,950.00 - $97,525.00.
Senior Active Directory Exchange Specialist
Company: Leidos
Location: Other US Location
Posted May 11, 2024
Leidos is seeking a Senior Active Directory Exchange Specialist for their SMIT Team in Camp Butler, Japan. The role involves overseeing network systems, architecture, and topology, managing Active Directory, Exchange, ADAM, and GAL, and ensuring high availability and service dependability. The candidate must have a high school diploma, ten years of IT experience, six years of Active Directory and/or Exchange experience, and a DoD Secret security clearance. Enhanced knowledge of Microsoft Windows Server, Active Directory, TCP/IP Protocols, and Group Policies is required. The role involves root cause analysis, providing technical advice, enforcing security policies, collaborating on infrastructure needs, and serving as the IT liaison for application support. The pay range is $68,900.00 - $124,550.00.
Palo Alto Engineer
Company: Leidos
Location: Washington DC
Posted May 11, 2024
Leidos is seeking a Senior Palo Alto Engineer for a 100% onsite position in Arlington, VA. The engineer will support the Compartmented Enterprise Services Office (CESO) Task Order for the GIG Service Management - Operations II (GSM-O II) contract. The role involves identifying and remediating security issues, providing Tier 3 support, maintaining hardware and software components, and supporting mission-critical Continuity of Operations (COOP). The ideal candidate should have 10+ years of hands-on Cisco / Palo Alto Firewall experience, strong knowledge of Palo Alto concepts and best practices, and an active DOD Top Secret level security clearance.
Senior Windows Engineer
Company: Leidos
Location: Other US Location
Posted May 12, 2024
Leidos is hiring a Senior Windows Engineer for the NOAA Cyber Security Center contract. The role involves leading engineering and administration support for hardware, virtualization, and Windows systems. The candidate will serve as a system owner for windows infrastructure systems, design secure systems, and support the project lifecycle. Basic qualifications include a Bachelor's Degree and 8-12 years of relevant experience, with strong troubleshooting skills and proficiency in NIST SP 800-53 control families. Preferred qualifications include formal leadership training, experience managing an IT Infrastructure functional team, and Microsoft Certifications.
Business Development Manager - DHS IT
Company: Leidos
Location: Washington DC
Posted May 27, 2024
The Business Development Manager for DHS is responsible for identifying, developing, and leading opportunity maturation and pursuit. The individual must thrive in an environment where they are responsible for the management and execution of the full life-cycle process across multiple simultaneous pursuits.
Junior ITSM Engineer
Company: Leidos
Location: Other US Location
Posted May 12, 2024
Leidos is currently seeking a Junior IT Service Management Engineer for the NOAA Cyber Security Center contract. The successful candidate will join the Security Engineering and Operations (SE&O) team, responsible for managing infrastructure and security tools for the NOAA Cyber Security Center and supporting 5 Trusted Internet Connection Access Provider (TICAP) sites. Key responsibilities include supporting service management processes, handling incident response, and working with engineering teams for service restoration. The ideal candidate should have a Bachelor's degree in a relevant field, a strong desire to learn about cybersecurity, and basic understanding of networking, virtualization, and system maintenance. Preferred qualifications include experience with Red Hat Linux and Windows systems, helpdesk support, and Security Operations Center experience.
Software Engineer Intern
Company: Leidos
Location: San Diego, CA
Posted May 19, 2024
Leidos is currently recruiting for 2024 Summer Interns, starting in June 2024, in San Diego, CA. The interns will be software engineering students working on space sensor technologies. The role involves developing code, unit tests, documentation, simulations, and user interfaces. The ideal candidate should have a strong background in C, C++, Java, MatLab, Python, VHDL, and JSON, and understanding of software unit testing, full Software Development Lifecycle, OSI model, and low level communications. US citizenship and eligibility for DoD security clearance are required. The pay range is $44,850.00 - $81,075.00.