Leidos
Leidos is a Fortune 500 science and technology company providing digital modernization, cybersecurity, mission software and engineering solutions for defense, intelligence, civil and health customers.
In Huntsville, AL
Leidos's largest Huntsville presence comes from Dynetics, a Huntsville-based applied research and national security company it bought in January 2020, when Dynetics had about 2,300 employees. Leidos's Dynetics Group builds the Enduring Shield launcher for the Army's Indirect Fire Protection Capability (IFPC) Increment 2 in Huntsville, works on hypersonic test flights under MACH-TB, and holds an Army Cyber Electromagnetic Activities (CEMA) contract performed at Redstone Arsenal. Leidos has also supported the Missile Defense Agency in Huntsville, from a building at 915 Explorer Boulevard in Cummings Research Park that it opened in 2019.
About Leidos in Huntsville, AL
Leidos is a Fortune 500 science and technology company headquartered in Reston, Virginia, with about 47,000 employees according to its fiscal 2025 10-K. Its work spans defense, intelligence, civil and health customers. In Huntsville, Leidos is closely tied to Dynetics, the Huntsville-based applied research and national security company it acquired in January 2020 for about $1.65 billion; Dynetics had about 2,300 employees at the time. Dynetics works on air and missile defense and hypersonics: it manufactures the Enduring Shield launcher for the Army's IFPC Increment 2, which is designed to defeat cruise missiles and drones, and works on hypersonic flight testing under the MACH-TB program. In 2023 it won a $124.7 million Army CEMA contract supporting PEO Missiles and Space, with work at Redstone Arsenal. Leidos's defense business has also supported the Missile Defense Agency in Huntsville, consolidating that work in 2019 in a 63,000-square-foot building at 915 Explorer Boulevard in Cummings Research Park.
Culture & Work Environment
Leidos says its values are integrity, inclusion, innovation, agility, collaboration and commitment. The company describes flexible working arrangements, with employees working "where and when is required to get the job done, in keeping with project and customer requirements". In Huntsville, much of the work is engineering, manufacturing and test on Army and missile defense programs, so some roles are on a production floor, in a lab or at Redstone Arsenal rather than in an office. Locally, Leidos says it sponsors the Huntsville Havoc hockey team, supports the Alabama School of Cyber & Engineering, and that employees mentor FIRST Robotics teams. Ask your interviewers about a team's site and schedule.
Hiring Process & Timeline
Apply through Leidos's careers site. The company does not publish a hiring timeline; a typical process is a recruiter screen followed by one or more interviews with the hiring manager and team, with technical questions for engineering and manufacturing roles. For cleared positions, the start date usually depends on the clearance step named in the listing. For Huntsville roles, put experience with missile defense, hypersonics, Army programs, systems integration, manufacturing or test up front where you have it.
Interview Tips
Read up on the program a role supports. In Huntsville that is often air and missile defense (the Enduring Shield launcher for IFPC Increment 2), hypersonic testing (MACH-TB) or electronic warfare work for Army PEO Missiles and Space, and knowing what the customer needs shows preparation. Prepare specific examples, in STAR form, of technical problems you solved, hardware you built or tested, and how you handled schedule pressure. Leidos lists integrity and collaboration among its values, so examples of raising issues early and working across teams are relevant. For manufacturing roles, be ready to talk about quality processes and working to drawings and specifications.
Security Clearance Requirements
Many Leidos listings in Huntsville ask for a U.S. security clearance, commonly Secret, and some ask for Top Secret or higher. Requirements vary by program, and some roles may need no clearance. Check each listing for whether an active clearance is required to start or whether the company will sponsor one. Cleared positions require U.S. citizenship. For how clearances work and how long investigations take, see the clearances guide on this site.
Compensation & Salary
Leidos posts a pay range on many of its listings, and those ranges are the best guide to what a given role pays. Check the ranges in Leidos's current Huntsville listings on this site rather than relying on general estimates. On benefits, the company lists a 401(k) match of 100% up to 6% of eligible pay per paycheck, an Employee Stock Purchase Plan with a 10% discount, eleven paid holidays for most employees, and flexible work practices. Its careers pages also describe tuition assistance and support for professional and technical certifications.
Peak hiring: October 2026 (386 roles)
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