ECS Federal LLC has 4,242 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is -6.5%.
Data source: Revelio Labs Coverage: Global workforce Latest update: September 2025
How can organizations navigate today's increasingly complex landscape of cyber threats? How can they unlock the power of cloud, data and AI, and always-on cybersecurity to meet the mission? These are the questions that drive us at ECS. A segment of ASGN (NYSE: ASGN) headquartered in Fairfax, Virginia, ECS delivers advanced technology, science, and digital transformation solutions that solve critical challenges for customers in the U.S. public and private sectors. ECS maintains premier partnerships with leading cloud, cybersecurity, and AI/ML providers and holds specialized certifications in their technologies. The secret to our success? Our people: a staff of 3,800+ hard-working, bright, resilient, curious, and collaborative professionals. We believe in bringing our best selves to the table, and our values -- grit, excellence, drive, and community -- define our culture. Recognized as a Top Workplace by The Washington Post six times, ECS is ready to help you maximize your potential, put your expertise to work, and grow along the way! Learn more about us at www.ECStech.com.
As of September 2025
ECS Federal
workforce metrics
Headcount
4.2k
Avg. Salary
$113.3k
Tenure
4.2yr
Growth Rate
-6.5%
Hiring Rate
Attrition Rate
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Interactive chart of ECS Federal annual worldwide employee count from 2023 to 2025.
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Interactive chart of ECS Federal annual active job postings from 2023 to 2025.
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