Illumio develops zero-trust segmentation software and employs roughly 630 people worldwide. Recent records show more than 100 new hires against fewer than 70 departures, yielding steady net growth in staff. Hiring has continued to outpace attrition, indicating ongoing investment in both product innovation and customer-facing functions. The workforce is distributed across North America, EMEA, and APAC, with a core presence in the San Francisco Bay Area.
Sales and Support is the largest group at about 231 employees, a little over one-third of total headcount. Engineering follows with 181 team members, or roughly 29 percent, underscoring sustained emphasis on product development and security research. Marketing and Product combine for 70 employees, while corporate functions—Business Management, IT, Finance & Administration, Human Resources, Operations, Real Estate, and Other teams—make up the remaining balance. This mix illustrates a workforce weighted toward both customer acquisition and technical execution.
Approximately 196 employees work across Illumio’s Bay Area sites, led by the San Francisco headquarters and nearby offices in San Jose, Sunnyvale, and Santa Clara. The company also maintains smaller hubs in Denver, New York, Austin, London, and Sydney, each ranging from single to low-double-digit headcount. An additional 351 team members are classified under “Other,” reflecting hybrid and remote roles spread across multiple regions. This footprint highlights a North American nucleus complemented by growing international teams in EMEA and the Asia-Pacific region.