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.
Senior Software Engineer
Company: Leidos
Location: Alexandria, VA
Posted Oct 03, 2024
Leidos is seeking a Senior Software Engineer to join a high-performing agile team. The role involves software development activities, including turning agile stories into implementable concepts, development, testing, and deployment of new capabilities. The team uses BDD, test automation tools, and a suite of collaboration tools. The candidate will analyze and resolve complex software issues, collaborate on design and development, and provide technical leadership. Qualified candidates with a Bachelor's degree in a technical discipline and at least 12 years of software engineering experience are preferred. Experience with Java, Python, C/C++, and various software development tools is required. An active TS/SCI with Polygraph security clearance is necessary. The role offers a competitive pay range and potential for enhanced incentives.
Material Planner
Company: Leidos
Location: Chantilly, VA
Posted Oct 03, 2024
Leidos is hiring for a Material Planner position in Chantilly, VA. The role involves working with the Program team to ensure a streamlined procurement process, generating material requirements, and providing support for acquisition plans. The candidate must have a Top Secret/SCI clearance, a BA degree or equivalent experience, and 2+ years of relevant experience. Strong Microsoft Office skills, organization, communication, and attention to detail are required. Preferred qualifications include buying experience, supply chain management experience, and knowledge of Federal Acquisition Regulation (FAR) requirements.
Principal Software Engineer
Company: Leidos
Location: Annapolis Junction, MD
Posted Oct 03, 2024
Leidos is seeking a Principal Software Engineer in Annapolis Junction, MD. The role involves developing, maintaining, and enhancing complex software systems. The ideal candidate should have 20 years of experience in software engineering, a bachelor's degree in Computer Science, and active TS/SCI with polygraph clearance. The company offers competitive benefits and a positive work environment focused on customer success and sustainability.
Software Engineer
Company: Leidos
Location: Alexandria, VA
Posted Oct 03, 2024
Leidos is seeking a Software Engineer to join a high-performing agile team using SAFe methodology for a significant cryptographic key management program. The role involves software development, testing, and deployment, with opportunities for server-side business logic, client web application, and UI development. The ideal candidate should have a Bachelor's degree and at least 8 years of relevant experience, with expertise in Java, Python, C/C++, SQL, and other technologies. Familiarity with Agile practices, BDD, and SAFe methodology is preferred. The role requires a TS/SCI security clearance.
SATCOM IP Network Support Specialist
Company: Leidos
Location: Ogden, UT
Posted Oct 03, 2024
Leidos is seeking a Network Technician for their Enterprise SATCOM Gateway Services (ESGS) Operations Support Cell at Hill AFB, UT. The role involves assisting with network management, ticket creation, real-time monitoring, IP network support, and SATCOM modem configuration. The ideal candidate should have a DoD-8570 IAT Level 2 certification, experience with SAA/GAAs, MILSATCOM encryption devices, and SATCOM architecture. A Secret security clearance is required. The job offers a pay range of $44,850.00 - $81,075.00.
Geospatial Data Scientist
Company: Leidos
Location: Albany, OR
Posted Oct 03, 2024
Leidos is seeking a Geospatial Data Scientist to work at the U.S. Department of Energy's National Energy Technology Laboratory (NETL) in Albany, OR or Morgantown, WV. The successful candidate will conduct high-impact research focused on accelerating carbon management, mitigating methane emissions, evaluating energy infrastructure, and developing processes for critical minerals. The role involves working on applied, cutting-edge projects with global impact, mentored by leading energy scientists and engineers. Key responsibilities include supporting data acquisition, processing, and integration using GIS software and Python scripting, and collaborating with an interdisciplinary team. Required qualifications include a Master's degree in a relevant field, 2+ years of Python programming experience, and expertise in ESRI products.
Senior Software Engineer
Company: Leidos
Location: Aurora, CO
Posted Oct 03, 2024
Leidos is seeking a Senior Software Engineer for a high-performing agile team supporting a significant cryptographic key management program. The role involves software development, testing, and deployment of new capabilities using BDD and DEVOPS practices. The candidate will collaborate with experts to design, develop, and debug software, providing technical leadership in an agile environment. The position requires a Bachelor's degree in a technical field and at least 12 years of software engineering experience, with demonstrated expertise in Java and other relevant technologies. An active TS/SCI with Polygraph security clearance is mandatory. Preferred qualifications include experience with JEE, SQL, application servers, scripting, and Agile methodologies like SAFe.
Information Systems Security Officers (ISSO)
Company: Leidos
Location: Washington, DC
Posted Oct 03, 2024
The Health and Civil Sector are actively seeking an Information Systems Security Officer (ISSO) with at least 10 years of experience. The role involves supporting Accreditation and Authorization (A&A) projects at the Group organizational level, developing and reviewing security policies, performing Certification & Accreditation (C&A), System Assessment & Authorization (SA&A), and managing risks associated with information systems. The candidate must be a US Citizen with a Public Trust level 4 clearance and local to the DC Metro area for onsite meetings. The role primarily involves telecommuting with occasional onsite requirements. The candidate should have BA/BS degree, previous ISSO experience, and certifications like CISSP or GSLC. The pay range is $101,400.00 - $183,300.00.
Systems Engineer
Company: Leidos
Location: Frimley, United Kingdom
Posted Oct 03, 2024
Leidos is seeking an experienced Systems Engineer for a critical national infrastructure programme. The role involves designing, implementing, and maintaining complex systems that align with business objectives using industry-standard architecture frameworks. The ideal candidate should have extensive experience in defence, security, or safety-critical information systems sectors, strong experience with systems modelling and MBSE tools, and excellent customer-facing skills. The role offers a collaborative culture, support for career goals, and a competitive employment package.
Senior Principal Proposal Manager
Company: Leidos
Location: Reston, VA
Posted Oct 03, 2024
Leidos is seeking a Senior Principal Proposal Manager with extensive Federal proposal experience to lead the proposal development process. The role involves establishing compliant structures, overseeing schedules, and ensuring win strategy, compliance, and customer understanding are reflected in the final proposal documents. The ideal candidate should have a successful track record of high-quality, high-scoring proposals and be able to manage geographically disparate teams. Fluency with Microsoft Office and SharePoint is required, and U.S. Citizenship is necessary due to the nature of the role.
Network Operations Intern
Company: Leidos
Location: Kapolei, HI
Posted Oct 03, 2024
Leidos, a global defense, intelligence, homeland security, and advanced technology company, is seeking motivated interns for the Network Operations team under the GSM-O II contract. The role involves onsite support at Ford Island, Hawaii, and focuses on various network operations support functions. Required skills include familiarity with IT and computer networking concepts, data entry tasks, and customer support. Candidates must be enrolled in a relevant degree program, obtain a Secret clearance, and be a US citizen. The pay range is $44,850.00 - $81,075.00.
Principal RF Engineer
Company: Leidos
Location: San Diego, CA
Posted Oct 03, 2024
Leidos Innovations Center is seeking a Principal RF Engineer for their San Diego, CA office. The role involves developing disruptive RF technologies for future DoD systems, working with current RF engineers, and potentially serving as a supervisor. The ideal candidate should have a Bachelor's or higher in engineering, physics, or optics, with 12+ years of relevant experience. Proficiency in applied computational electromagnetics, RF device design, and material properties is required. Expertise in metamaterials, time-varying systems, and Windows is preferred. Strong communication skills and a mission-oriented approach are essential. The position offers opportunities for growth and collaboration in a rapidly expanding sector.