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.

.NET Developer

Company: Leidos

Location: Remote

Posted Dec 11, 2024

This is a job posting for a NET Developer position on the ESA V program at the Department of Justice. The role involves supporting the implementation of Okta authentication on the ESA V program. The successful candidate will be required to coordinate system requirements with technical resources, project managers, and customers. The position is 100% remote and requires working in a fast-paced dynamic environment. The required qualifications include a Bachelor's degree in computer science or a similar field, 8+ years of related experience, and Agile Software Development Experience. The preferred qualifications include experience with Amazon Web Services, Build tools, Docker Kubernetes, OpenShift, software development tools, and software scanning tools.

Tier 2 Hardware System Administrator - TS/SCI with Poly

Company: Leidos

Location: Greater Denver Area

Posted Dec 11, 2024

The National Security Sector at Leidos is seeking a Tier 2 Hardware System Maintainer for their Incident and Service Request Response Team in Alice Springs, Australia. The role requires an active TSSCI with Polygraph and approved medical and psychological exams. The Tier 2 Hardware System Maintainer will be responsible for hardware troubleshooting, customer communication, researching problems, technical communications, maintaining systems, and more. Basic qualifications include a TSSCI with Polygraph, a BA degree, and 2-4 years of prior relevant experience. Preferred qualifications include working knowledge of ServiceNowHelpNow, experience with system users, and flexibility.

Azure Cloud Administrator

Company: Leidos

Location: Washington DC

Posted Dec 08, 2024

The Department of Homeland Security is seeking a Cloud Administrator with experience in designing, deploying, and managing cloud environments from Amazon Web Services and Microsoft Azure. The successful candidate will possess a strategic mindset, excellent communication skills, and the ability to collaborate effectively with cross-functional teams. The primary responsibilities include designing, deploying, and managing cloud-oriented solutions, providing technical expertise, and creating cloud implementation plans. The ideal candidate should have a Bachelor's or Master's degree, 8+ years of relevant experience, and must have experience as a Cloud Admin for AWS or Azure.

Senior System Administrator

Company: Leidos

Location: Baltimore, MD

Posted Dec 10, 2024

Leidos is seeking a System Administrator to work on projects that can potentially change the world. The role offers competitive benefits, including four or more weeks of Paid Time Off, flexible schedules, discounted stock purchase plans, unlimited education and training, parental paid leave, and more. The System Administrator will provide support for implementation, troubleshooting, and maintenance of IT systems, manage IT system infrastructure, and provide assistance to users. The role requires 10 years of experience as a System Administrator and a Bachelor's degree in a technical discipline.

Systems Administrator w/ TS/SCI

Company: Leidos

Location: Washington DC

Posted Dec 11, 2024

Leidos is seeking a Systems Administrator with experience in Linux and Windows to support multiple programs and projects in their Arlington VA office. The role involves maintaining workstations and servers, deploying patches, and assisting in policy development and information assurance. The ideal candidate should have knowledge of Active Directory, HyperV, VMWare, and Azure, as well as experience with patching, STIGing, and system upgrades in a classified environment.

Junior Configuration Manager

Company: Leidos

Location: Other US Location

Posted Dec 10, 2024

Leidos Defense Systems is seeking a Junior Configuration Manager to support Air Defense Autonomy and CounterUnmanned Aircraft Systems CUAS software programs. The selected individual will track product design changes, ensure configuration identification, author and review design release documents, prepare deviations and waivers, and communicate with peers across multiple software teams.

​​Tier 1 VAT Analyst ​

Company: Leidos

Location: Washington DC

Posted Dec 12, 2024

The text describes a job posting for a Department of Homeland Security (DHS) Customs and Border Protection (CBP) Security Operations Center (SOC) position. The SOC is responsible for preventing, identifying, and containing cyber threats to CBP networks. The VAT Analyst will assist with ISVM compliance, execute vulnerability scans, and conduct vulnerability assessments of IT systems. The ideal candidate should have expertise in vulnerability scanning tools, experience with DHS CDM tools, and a Secret Clearance.

Network Engineer

Company: Leidos

Location: Baltimore, MD

Posted Dec 09, 2024

Leidos is seeking a Network Engineer to fill a critical position in their Fort Meade, Maryland office. The role involves managing and maintaining complex network systems, including LAN, WAN, SIPRNET, and NIPRNET. The Network Engineer will also be responsible for feasibility studies, in-depth analyses, and keeping up with emerging technology to predict future network needs. The position requires a Bachelor's Degree and 7+ years of experience, as well as a current TSSCI security clearance and Information Assurance DOD 85701M IAT Level II Certification.

Linux Systems Administrator

Company: Leidos

Location: St. Louis, MO

Posted Dec 10, 2024

The Leidos Spatial Solutions team is seeking an experienced System Administrator to work on cloud-based systems with a mission operations team. The team is involved in the operation and sustainment of multiple operational cloud-deployed geospatial solutions. The successful candidate will have experience with installation, configuration, administration, support, and maintenance of cloud-based systems. Primary responsibilities will involve responding to user incidents, monitoring operational systems, performing routine health checks, deploying security patches and bug fixes, updating databases with new data, and basic system maintenance.

Implementations Network Engineer II

Company: Leidos

Location: Other US Location

Posted Dec 08, 2024

The text describes a job position for an Implementations Network Engineer at Leidos, working on projects supporting the Department of Defense networks. The role involves performing network equipment installation, configuration, testing, monitoring, and servicing. The candidate should have knowledge of various network hardware, equipment specifications, and testing processes. The position requires strong communication skills and an active Secret security clearance.

Application Developer

Company: Leidos

Location: Other US Location

Posted Dec 10, 2024

The Digital Modernization Sector is offering a career opportunity for an Application Developer to support the Global Solutions Management Operations II GSMO II contract at DISA. The role involves ensuring the reliability, availability, and security of the ENET solution in multiple environments, leading planning and migration of ENET infrastructure and applications from the Data Center environment to the AWS cloud, and managing the full life cycle of the project. The candidate must have US Citizenship, an active security certification that meets DOD 8570 IAT level II or higher, an active DoD Secret clearance, and relevant experience.

Senior Network Engineer

Company: Leidos

Location: Orlando, FL

Posted Dec 11, 2024

Leidos is seeking a Senior Network Engineer to support several programs in the Orlando area. The role involves defining, implementing, and delivering a capability focused on Cyber Training systems and Synthetic Environment Generation. The candidate will have the opportunity to work with a broad range of systems providing overall support for various critical networks. The position requires a Bachelor of Science degree and eight years of IT-related experience, with a focus on Network Administration, Engineering, or a Masters of Science Degree with six years of relevant experience. The candidate must have experience with various network hardware, software, and protocols.

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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