Mattermost is seeking a Senior Technical Account Manager (TAM) is a customer-facing technical leader responsible for ensuring the successful deployment, integration, and operational success of the Mattermost platform for enterprise and public sector clients across the United Kingdom.
This role requires strong technical expertise in infrastructure, cybersecurity, and DevSecOps, combined with the ability to build trusted relationships with customers across multiple regions and languages. The TAM serves as a trusted technical advisor—partnering with engineering, product, and customer teams to ensure reliable, secure, and scalable deployments of Mattermost.
Key ResponsibilitiesCustomer Success & Technical Delivery- Lead onboarding, deployment, and optimization of Mattermost for strategic enterprise customers.
- Design and validate scalable architectures for cloud, hybrid, and on-premise deployments.
- Guide customers on integrating Mattermost with identity providers (SSO, SAML, OAuth, LDAP), CI/CD pipelines, and monitoring tools.
- Support adoption across distributed teams by ensuring high reliability, security, and performance.
- Provide proactive technical guidance to prevent issues and optimize system architecture.
- Serve as the primary technical advisor for assigned customer accounts.
- Work closely with Product, Engineering, and Support teams to resolve technical challenges.
- Capture customer insights and feedback to influence product roadmap and feature development.
- Develop documentation, deployment templates, and automation assets to support customer success at scale.
- Communicate complex technical concepts clearly to both technical and non-technical audiences.
- Build trusted relationships with stakeholders across UK
- Conduct technical workshops, architecture reviews, and implementation planning sessions.
- Maintain documentation of deployment architectures, customer requirements, and feedback.
- 5+ years experience in Technical Account Management, Solutions Engineering, DevOps Engineering, or a similar technical customer-facing role.
- Strong expertise in Linux, networking, containers (Docker/Kubernetes), and cloud infrastructure.
- Experience with scripting or development (Python, Go, Bash, Node.js, or similar).
- Familiarity with DevOps and CI/CD tools (GitHub/GitLab, Jenkins, Terraform, Jira).
- Strong understanding of cybersecurity best practices and secure system design.
- Proven ability to manage enterprise technical relationships and complex implementations.
- Applicants must meet eligibility requirements for access to export-controlled information as defined by U.S. export control laws, including EAR and ITAR.
- Fluent English (written and spoken) required.
- Excellent communication and stakeholder management skills.
- Must be authorized to work in the United Kingdom.
- Experience supporting public sector, defense, or regulated industries.
- Familiarity with compliance frameworks such as ISO 27001, SOC 2, GDPR, NIS2, or UK NCSC security guidance.
- Experience supporting air-gapped or highly secure deployments.
- Existing or eligibility for security clearance such as UK Security Clearance (SC), French defense clearance, or NATO Secret clearance.
- Experience with mobile device management platforms (Intune, MobileIron, Workspace ONE).
- Experience working in a startup or high-growth SaaS environment.
Mattermost takes a market-based approach to pay and pay may vary depending on your location. The successful candidate’s starting pay will be determined based on job-related skills, experience, qualifications, work location, and market conditions. These ranges may be modified in the future.
Top Skills
What We Do
Mattermost’s mission is to make the world safer and more productive by developing and delivering secure, open source collaboration software that is trusted, flexible and offers fast time-to-value. Mattermost’s first product is a collaboration platform built to accelerate DevOps workflows in high-trust environments by offering secure messaging across web, desktop and native mobile devices. www.mattermost.com
