Responsibilities
- 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
- The TAM serves as a trusted technical advisor—partnering with engineering, product, and customer teams to ensure reliable, secure, and scalable deployments of Mattermost
- 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
Qualifications
- 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
- Proven ability to manage enterprise technical relationships and complex implementations
- Familiarity with DevOps and CI/CD tools (GitHub/GitLab, Jenkins, Terraform, Jira)
- Strong expertise in Linux, networking, containers (Docker/Kubernetes), and cloud infrastructure
- Excellent communication and stakeholder management skills
- Strong understanding of cybersecurity best practices and secure system design
- Fluent English (written and spoken) required
- 5+ years experience in Technical Account Management, Solutions Engineering, DevOps Engineering, or a similar technical customer-facing role
- Experience with scripting or development (Python, Go, Bash, Node.js, or similar)
- Applicants must meet eligibility requirements for access to export-controlled information as defined by U.S. export control laws, including EAR and ITAR
- 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 working in a startup or high-growth SaaS environment
- Experience with mobile device management platforms (Intune, MobileIron, Workspace ONE)
Benefits
- Fully remote work
- Office setup fund
- Coworking space stipend
- Global and regional team meetups
- Growth fund
- Unlimited vacation
- Family and Friends Days
- Async weeks
- Health benefits
- 401(k)
- Pension
- Open Source Fridays
- Community hackathons and events
