eSentire, a managed detection and response cybersecurity provider, employs roughly 316 people across several countries. Recent staffing data shows 21 net additions to the team and 37 recorded departures, signaling ongoing but measured workforce adjustments. The overall headcount reflects the company’s focus on combining security expertise with customer-facing support to deliver 24/7 threat protection.
Sales and Support is eSentire’s largest function with 84 employees, demonstrating the firm’s emphasis on client service and rapid incident response. Engineering follows with 64 professionals dedicated to developing and maintaining the MDR platform, while Finance and Administration accounts for 60 employees who support core business operations. Additional talent is distributed across Marketing & Product (30), Business Management (24), Information Technology (21), Operations (16), Other roles (15), and a very small Consulting group, creating a balanced structure that supports both product innovation and service delivery.
The company retains deep roots in Canada, with 30 employees in Waterloo and 29 in Kitchener, along with teams in Toronto, Cambridge, Guelph, London, and the broader Greater Toronto Area. Internationally, eSentire maintains a presence in Bengaluru and Austin. A substantial cohort of 189 employees is classified under “Other,” indicating a mix of remote staff and smaller satellite offices that extend the firm’s reach across multiple time zones.