Leidos
The Senior C4A Systems Engineer Subject Matter Expert provides expert-level leadership and engineering support for Command, Control, Communications, Computers, and Assurance (C4A) activities across complex network and system architectures. This role involves leading engineering efforts for secure operational environments, including DoD classified and unclassified networks, while ensuring joint and coalition interoperability. The position requires a blend of systems engineering, cybersecurity, and project leadership to enable mission success in multi-domain operational settings.
Headquarters
Reston, Virginia, United States
Company Size
10001+ employees
Founded
1969
Leidos is a Fortune 500 science and technology company that delivers solutions at the intersection of national security, health, and critical infrastructure, serving defense, federal government, intelligence, and commercial markets. With a global workforce of approximately 47,000, the company provides capabilities across AI, cybersecurity, digital modernization, mission software, space, maritime, managed health, and energy infrastructure. Leidos partners with government agencies and large enterprises to deliver mission-critical innovations that address complex national and global challenges.
Headquarters
San Francisco, CA
Company Size
201-500 employees
Founded
2018
Industry
Technology
Glassdoor Rating
4.2 / 5
Sarah Johnson
Chief Executive Officer
Michael Chen
Chief Technology Officer
Emily Williams
VP of Engineering
David Rodriguez
VP of Product
Jessica Thompson
Chief Financial Officer
Andrew Park
VP of Sales
View leadership team, funding history,
and employee contacts for Leidos.
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