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.

Chinese OSINT Collector - TS/SCI

Company: Leidos

Location: Rockledge, FL

Posted Jan 22, 2025

Cyber Security Engineer

Company: Leidos

Location: Herndon, VA

Posted Jan 22, 2025

Leidos National Security Sector is seeking a Cyber Security Engineer with active TS/SCI with Polygraph clearance. The role involves utilizing penetration testing and ethical hacking skills to assess and exploit risk and vulnerabilities of information systems. The engineer will document risks, perform vulnerability analyses, review program-level documentation, recommend changes, create testing plans, and execute hands-on penetration testing. They will also analyze test results, recommend countermeasures, participate in technical exchange meetings, and brief management on activities. Required skills include experience in cyber penetration testing, understanding of cyber security principles for Linux, Windows, and virtual platforms, and designing IT security architecture.

Proposal Excellence SME

Company: Leidos

Location: Reston, VA

Posted Jan 22, 2025

RF Signals Analyst 24x7

Company: Leidos

Location: Aurora, CO

Posted Jan 22, 2025

Video Workflow Automation Engineer

Company: Leidos

Location: Huntsville, AL

Posted Jan 22, 2025

Leidos is looking for a Video Workflow Automation Engineer to join the AEGIS Enterprise Video Services team. The role involves software development, focusing on creating efficient and scalable video workflows. Key responsibilities include workflow development, automation, optimization, integration, problem-solving, and collaboration. The ideal candidate should have strong programming skills, experience with video encoding and transcoding technologies, knowledge of video streaming protocols, familiarity with cloud platforms, and excellent problem-solving skills. Preferred qualifications include experience with video delivery networks, video analytics tools, containerization technologies, and scripting languages. A Bachelor's degree in Computer Science, Engineering, or a related field, along with 3+ years of software development experience, is required.

Senior Information Systems Security Officer

Company: Leidos

Location: Annapolis Junction, MD

Posted Jan 22, 2025

Leidos is offering a Senior Information Systems Security Officer (ISSO) position in their National Security Sector's Cyber & Analytics Business Area. The role involves maintaining and securing information systems, implementing security measures, and managing security aspects of the system. The job includes assisting with information assurance programs, proposing and enforcing security policies, and conducting vulnerability assessments. The position requires a Bachelor's degree in a related field and at least 12 years of experience as an ISSO. Leidos offers competitive benefits including paid time off, 401K, flexible schedules, and technical upskilling. The job is located in Annapolis Junction, MD and involves working on a massive, multi-year contract with the government.

WebOPSS Template Developer

Company: Leidos

Location: Oklahoma City, OK

Posted Jan 22, 2025

Leidos NISC IV program is seeking a WebOPSS Template Developer to support the FAA. The role involves creating, updating, and archiving WebOPSS document templates, working with Aviation Safety policy SMEs, and maintaining tracking methods for template development workload. Basic qualifications include a bachelor's degree, relevant work experience, and knowledge of web-based applications. Preferred qualifications include SQL knowledge, HTML editing experience, and familiarity with technical writing methods and WebOPSS.

Quality Engineer

Company: Leidos

Location: Huntsville, AL

Posted Jan 22, 2025

Leidos Inc. is seeking a Quality Engineer for their Mechanical Manufacturing Facility. The role involves supporting mechanical manufacturing and assembly integration and testing for aerospace and defense manufacturing. Key responsibilities include program quality planning, developing inspection/test procedures, and coordinating review of nonconformance documentation. The candidate must possess strong problem-solving skills and experience in quality engineering under an AS9100 system or equivalent. Basic qualifications include a BS degree with 4-8 years of relevant work experience or a Master's degree with 2-6 years of experience. The position requires collaboration in a multi-disciplinary engineering environment and the ability to lift up to 25 lbs.

Customer Care Specialist

Company: Leidos

Location: Peoria, IL

Posted Jan 22, 2025

Leidos is seeking a Customer Care Specialist for a utility-based Energy Efficiency Program. The role involves assisting customers with energy efficiency, reviewing energy audit reports, and helping with contractor scheduling. The position is remote but prefers candidates in the Illinois Ameren area. Responsibilities include creating energy efficiency plans, managing customer data, and providing excellent customer service. Required qualifications include a high school diploma, customer service experience, and proficiency in English and Microsoft Office. Leidos values diversity, offers growth opportunities, and provides competitive compensation.

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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