Zscaler is a cloud-based security company with a global workforce of about 4,400 employees. Recent staffing data shows 695 new hires and 604 departures, indicating modest net growth while maintaining a steady talent base. The numbers highlight Zscaler’s continuing investment in skilled professionals to support its cloud security platform and enterprise customer base.
Zscaler’s largest group is Sales and Support with roughly 1,819 employees—about 41 % of total headcount—underscoring the company’s customer-facing focus. Engineering follows at 1,132 employees, representing around 26 % and reflecting the ongoing development of its security solutions. Marketing & Product (335) and Business Management (318) form a mid-sized tier, while Finance & Administration, IT, HR, Operations, and Risk/Compliance collectively account for the remainder. The firm added approximately 16 % new staff relative to current size while attrition was close to 14 %, suggesting balanced workforce dynamics across most functions.
Employee distribution is spread across North America, Europe, and Asia-Pacific. The largest single hub is San Francisco with about 319 employees, closely followed by Bengaluru (252) and San Jose (235), highlighting a mix of U.S. headquarters and major engineering presence in India. Additional clusters are found in Boston, London, Chandigarh, Washington DC, Austin, and Chicago, each ranging from 52 to 113 employees. An “Other” category of roughly 633 staff reflects remote workers and smaller regional offices, underscoring a flexible, multi-site operating model.