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 not aligned to strategic AE territories Run discovery, qualification, objection handling, and closing motions independently Expansion Ownership Lead expansions within existing accounts when scope and complexity allow Identify upsell and cross-sell opportunities through customer engagement and usage insights Partner with AEs on expansions that become larger, more strategic, or more complex Manage inbound expansion requests from existing customers (e.g., incremental license additions) Renewal Management (Value-Driven) Own renewals requiring active customer engagement, risk mitigation, or expansion discovery Collaborate cross-functionally to ensure smooth, on-time renewals Serve as a trusted advisor by helping customers realize the value of Mattermost and building business cases to support renewals Sales & Ecosystem Exposure Gain hands-on experience with the full buying cycle and commercial procurement considerations Territory Enablement & Hygiene Act as a capacity multiplier for Account Executives Maintain strong CRM hygiene, forecasting accuracy, and deal documentation Own renewal and expansion records for assigned accounts, as well as net-new sales records within your scope Share insights and learnings to continuously improve territory execution Required Background / Skills Required 2–5+ years of experience in sales, account management, renewal management, or commercial closing roles Demonstrated ability to manage multiple sales cycles in parallel Strong discovery, comm