Commercial Account Manager (UK)

Mattermost is the leading collaborative workflow platform for defense, intelligence, security, and critical infrastructure. Trusted by the U.S. Department of War and Fortune 500s, our platform runs on-premises and in private clouds, delivering secure messaging, file sharing, workflow automation, audio/screenshare, and project management—all with full data and operational control. Mattermost powers high-stakes workflows across mission planning, real-time, real-world operations, DevSecOps, incident response, and cyber defense—enabling secure collaboration from tactical edge and DDIL environments to enterprise HQ. Teams operate across web, desktop, and mobile, with embedded interoperability for Microsoft Teams, Outlook, and Microsoft 365. To learn more, visit www.mattermost.com Mattermost is seeking a Commercial Account Manager (CAM) – UK to support and accelerate commercial growth across the region. This is a collaborative, territory-aligned sales role that operates alongside Account Executives (AEs). The CAM independently manages defined commercial sales motions while exercising strong judgment on when to partner with AEs on larger or more complex opportunities. This role is ideal for a commercially driven seller who thrives in a fast-paced SaaS environment and enjoys balancing net-new acquisition, expansion, and renewal management. What You’ll Do Inbound Net New Sales Own and execute inbound-led net-new opportunities Qualify and close small to mid-sized deals for customers no