LeidosCybersecurity company profile

Government & Defense CyberpublicSales org
ByDecipherU Editorial
Version 1.0 · Published April 2026 · Last verified April 2026
DecipherU is not affiliated with, endorsed by, or sponsored by Leidos. Information is compiled from publicly available sources for educational purposes.

Leidos is a Fortune 500 defense, intelligence, and IT services company that provides cybersecurity solutions to the U.S. federal government. The company holds major contracts including the Defense Information Systems Agency (DISA) Global Services Management Operations (GSM-O). Leidos acquired Dynetics in 2020 and merged with Lockheed Martin's IT division in 2016.

Company at a Glance

Headquarters

Reston, Virginia

Founded

2013

Employees

45,000-50,000

Ownership

public

Primary Focus

Defense IT and cybersecurity for U.S. government agencies

Sales Org

Yes

Key Cybersecurity Products & Services

  • Managed Network Defense
  • Cyber Operations Center Services
  • Insider Threat Solutions
  • Cloud Security Services
  • Vulnerability Assessment and Penetration Testing

Cybersecurity Roles at Leidos

Careers at Leidos

View current openings at Leidos on their official careers page.

View Leidos careers page

Leidos is a Fortune 500 defense, intelligence, and IT services company that provides cybersecurity solutions to the U.S. federal government. The company holds major contracts including the Defense Information Systems Agency (DISA) Global Services Management Operations (GSM-O). Leidos acquired Dynetics in 2020 and merged with Lockheed Martin's IT division in 2016.

Leidos typically hires for roles including Security Engineer, Security Architect, SOC Analyst, Threat Intelligence Analyst, Penetration Tester. Check their careers page for current openings.

Leidos is a public cybersecurity company headquartered in Reston, Virginia with 45,000-50,000 employees. They focus on Defense IT and cybersecurity for U.S. government agencies. Research their official careers page and professional network presence for employee perspectives.

Last verified: April 2026?Report an inaccuracy

Related Resources

Related Cybersecurity Certifications

Related Cybersecurity Assessments