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 Cyber AI/ML Engineer

Company: Leidos

Location: Columbia, MD

Posted Oct 03, 2024

Leidos National Security Sector is seeking a Senior Machine Learning Software Engineer for a mission-critical project in Columbia, MD. The role involves developing and improving AI/ML models for cybersecurity data analysis. The ideal candidate should have a Top Secret security clearance, a Bachelor's degree in Computer Science or related field, and 10+ years of software development or data science experience. Knowledge of cybersecurity domain, statistics, and experience with Python, SIEM, Endpoint, Network, or Threat Intelligence data is required. Familiarity with SOAR products, containerized environments, and agile development processes is a plus. The pay range is $122,200.00 - $220,900.00.

Junior Field Service Engineer

Company: Leidos

Location: Al Muharraq, Bahrain

Posted Oct 02, 2024

The Field Service Engineer/Technician (FSE/FST) role at Leidos involves providing high-level technical support for installed systems at airports. The FSE/FST is responsible for installing, commissioning, diagnosing, troubleshooting, repairing, and testing complex X-ray or CT-based electronic and electromechanical equipment. They must follow standard protocols, procedures, and best practices to resolve equipment or software issues. The role requires a degree in electronics technology, mechanical or electrical engineering, or equivalent military training. At least 3 years of relevant field service experience is necessary, preferably in an integrated systems technologies environment. The candidate must be proficient in using test equipment, have good customer skills, and be able to work under pressure. They must also be self-starters, adaptable, and willing to work on-call and off-shift as required. The role involves daily written reporting on maintenance activities and the ability to travel both domestically and internationally.

Foreign Language Instructor

Company: Leidos

Location: Vienna, VA

Posted Oct 03, 2024

Leidos is seeking full-time foreign language instructors for Russian, Chinese, Turkish, Bosnian/Croatian/Serbian, and Japanese. The ideal candidates should have native-like speaking skills, teaching experience, and knowledge of adult learning methodology. They will work 40 hours a week, teaching and developing lessons, assessing students, and receiving specific sponsor training. A BA/BS in education, foreign language, linguistics, or equivalent work experience is required. An active security clearance is preferred, and TS/SCI with polygraph is required upon hire. The pay range is $87,100.00 - $157,450.00.

Security Engineer - Senior

Company: Leidos

Location: Clarksburg, WV

Posted Oct 02, 2024

Leidos, a leading IT services provider, is seeking a software engineer with 8-12 years of experience for a role in Clarksburg, WV. The role involves performing security audits, developing technical solutions, and conducting research. The ideal candidate should have a degree in a related field, strong communication skills, and the ability to work collaboratively. Preferred qualifications include experience with Linux, JIRA, and Confluence, as well as a DOD Secret Clearance. The pay range is $101,400.00 - $183,300.00.

Chinese Linguist

Company: Leidos

Location: Vienna, VA

Posted Oct 03, 2024

Leidos is recruiting experienced Chinese Translators/Linguists for National Security Programs. The role involves translating, interpreting, transcribing, and summarizing materials, requiring strong language skills, cultural understanding, and regional dialect knowledge. The company will sponsor clearances, with TS/SCI with polygraph required. A BA/BS or equivalent military training and 8+ years of related experience are needed. Proficiency in multiple languages is desired. The position is located in the Washington, DC Metropolitan Area with a pay range of $87,100.00 - $157,450.00.

Cloud Architect (USAF Cloud One) - Various Level & Locations

Company: Leidos

Location: Capitol Heights, MD

Posted Oct 02, 2024

Leidos is seeking Cloud Architects for the U.S. Air Force Cloud One Architecture and Common Shared Services contract. The role involves modernizing a global-scale multi-cloud environment, supporting USAF system resiliency, security, and cost effectiveness. Key responsibilities include managing and optimizing cloud environments, implementing DevSecOps practices, containerizing applications, configuring hardware and software systems, and collaborating with team members. Minimum qualifications include a Bachelor's degree and 5+ years of experience, or a Master's degree and 3+ years of experience. Interim Secret clearance is required, with the ability to obtain Secret clearance. Preferred qualifications include experience with USAF Cloud One or Platform 1, Zero Trust Architecture, and cloud certifications in AWS, Azure, Google, or Oracle clouds.

Sr Network Engineer Level 3

Company: Leidos

Location: Baltimore, MD

Posted Oct 02, 2024

Leidos has a career opportunity for a Network Engineer with Cisco experience in the Columbia MD area. The job requires an active TSSCI with Polygraph and 12+ years of experience providing network engineering support.

SecDevOps Technical Lead

Company: Leidos

Location: Washington DC

Posted Oct 02, 2024

The job posting is seeking an experienced SecDevOps Lead to lead a team of developers and engineers in maintaining and enhancing a customer's intelligence discovery website and application suite. The candidate will be responsible for ensuring the continuous operation, maintenance, and security of the systems, as well as enhancing and maintaining the CICD pipeline, automating infrastructure management, and developing scripts for automation.

Field Services Engineer

Company: Leidos

Location: Remote

Posted Oct 02, 2024

Leidos is seeking a Field Service Engineer with a Secret security clearance and a degree in Engineering, Computer Science, or Information Systems. The role involves installing, testing, and deploying complex telecommunication systems, requiring proficiency in Cisco, Ciena, and Safenet network elements. The position is remote but requires extensive travel. Key responsibilities include conducting installations, configuring equipment, and ensuring compliance with NIST and DISN standards. The ideal candidate should have strong analytical skills, excellent communication abilities, and the capacity to work flexible hours. Preferred qualifications include DoD Directive 8570 IAT Level II certification, ITIL v3 Foundation Certification, and BICSI certification.

Research Assistant - Hearing Conservation / Occupational Audiology

Company: Leidos

Location: Groton, CT

Posted Oct 02, 2024

Leidos is seeking a Research Assistant for the Regional Hearing Conservation Team at Naval Submarine Base New London. The role involves providing scientific and technical assistance, following standard operating procedures, using experimental equipment, generating study documentation, performing data entry, reviewing project materials, participating in team meetings, identifying necessary equipment, generating data visualizations, setting up and testing equipment, recruiting research participants, coordinating with participants, adhering to scientific review board procedures, and maintaining a SECRET classification access level. The ideal candidate should have a Bachelor's degree in hearing science or related field, proven capability to follow research protocols, strong communication skills, proficiency in Microsoft Office Suite, be detail-oriented, able to work independently and in a team, and have US citizenship. The job offers opportunities for career growth and a pay range of $37,050.00 - $66,975.00.

Synthetic ISR Scenario Developer

Company: Leidos

Location: Las Vegas, NV

Posted Oct 02, 2024

Leidos is seeking a Mid-Level Synthetic ISR Scenario Developer for a large Air Force ISR contract at Nellis AFB, Nevada. The candidate will provide Modeling and Simulation expertise, support advanced ISR testing, tactics development, and training integration. The ideal candidate should have experience with SIGINT and IMINT tools, knowledge of intelligence collection processes, and the ability to create layered intelligence products. The role involves working with customers and team members, multitasking, and delivering quality products within specified timelines.

Sr Capture Manager - Aerospace Systems, Defense Sector

Company: Leidos

Location: Chantilly, VA

Posted Oct 03, 2024

Leidos is seeking an experienced Capture Manager for their Aerospace Systems Business Area in the Defense Systems Sector. The role involves managing the full capture life-cycle, developing win strategies, and mentoring other professionals. The ideal candidate should have a BA degree and 15+ years of relevant experience, or a Master's degree with 13+ years of experience. They must possess leadership skills, knowledge of the Department of Defense, and experience with federal government budgets and acquisition processes. The position can be based in Huntsville, AB, Chantilly, VA, or San Diego, CA, with flexibility for remote work. The pay range is $144,300.00 - $260,850.00.

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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