Senior Technical Account Manager (Federal)

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 Senior Technical Account Manager (TAM) to serve as a trusted technical advisor to our U.S. Federal and enterprise customers . In this role, you will ensure the successful deployment, integration, and secure operation of the Mattermost platform in mission-critical and high-security environments .

You will combine expertise in infrastructure, cybersecurity, and DevSecOps with strong customer engagement and project leadership skills. As a strategic partner, you will bridge engineering, product, and customer teams , driving secure, compliant, and scalable implementations that enable organizations to collaborate with confidence.

Key Responsibilities

Customer Success & Secure Solution Delivery

Lead technical onboarding, configuration, and production deployments for strategic enterprise and U.S. Federal customers

Design, validate, and implement secure, scalable architectures for Mattermost across cloud, on-premise, hybrid, and air-gapped environments

Support alignment with security and compliance frameworks such as FedRAMP, NIST 800-53, DoD STIG, and SOC 2

Guide customers in integrating Mattermost with authentication and identity management systems (SSO, SAML, OAuth) , DevOps pipelines, and monitoring tools

Provide proactive technical guidance to minimize operational risk and ensure long-term platform success

Technical Leadership & Advocacy

Serve as the primary technical point of contact for assigned accounts

Collaborate with Product, Engineering, and Support to resolve complex technical issues and advocate for customer needs

Develop reusable deployment assets including scripts, playbooks, and technical documentation to accelerate implementations

Participate in internal reviews to improve onboarding methodologies and deployment best practices

Communication & Stakeholder Management

Present complex technical concepts to both executive and technical stakeholders , tailoring communication to audience and context

Build trusted relationships that drive adoption, expansion, and long-term customer success

Maintain detailed records of architectural decisions, deployment strategies, and customer feedback

Required Qualifications

Senior-level experience in Technical Account Management, Sales Engineering, Customer Success Engineering, or a similar customer-facing technical role

Strong technical knowledge of Linux system administration, networking, containers (Docker/Kubernetes), and cloud infrastructure

Hands-on scripting or development experience with Python, Go, Node.js, or similar languages

Strong understanding of cybersecurity principles and secure system architecture

Familiarity with DevSecOps tools and workflows (GitHub, Jenkins, Jira, Terraform, etc.)

Experience managing large enterprise or government customers and aligning technical delivery with business and security requirements

Excellent communication skills with the ability to collaborate across technical and non-technical stakeholders

Applicants must meet eligibility requirements for access to export-controlled information as defined by U.S. export control laws, including EAR and ITAR.

This role may require the candidate to obtain and maintain a U.S. government security clearance in the future.

Preferred Qualifications

Experience working with U.S. Federal agencies, defense organizations, or regulated industries

Familiarity with IT Service Management (ITSM) frameworks

Knowledge of compliance standards such as FedRAMP, NIST, SOC 2, or ISO 27001

Experience with secure collaboration platforms or open-source technologies

Exposure to mobile device management (Intune, Workspace ONE, MobileIron) environments

Experience working in a startup or high-growth SaaS environment

Compensation

Mattermost takes a market-based approach to pay. Actual compensation may vary based on location, skills, experience, qualifications, and market conditions.

Target Salary Range: $125,000 - $165,000 USD plus commission

U.S. Eligibility & Compliance

This role may require obtaining and maintaining a U.S. government security clearance. Candidates must meet federal eligibility requirements to be considered. For more information visit Security Clearances — United States Department of State

Applicants must meet eligibility requirements for access to export-controlled information as defined by U.S. export control laws, including EAR and ITAR. For more information visit the Bureau of Industry and Security and the Directorate of Defense Trade Controls .

Mattermost is an EEO Employer, we are a remote-first, open-source company.

We are continually working to expand our hiring in more countries and regions, ensuring compliance with local laws and regulations, which takes time.

Mattermost values your unique perspective—we welcome all applicants. We encourage individuals from all backgrounds to apply and are committed to assessing candidates based on their skills and qualifications. We do not tolerate discrimination against staff or applicants based on race, religion, national origin, age, disability, pregnancy status, veteran status, or other personal characteristics.

If you require accommodations during the interview process, please let us know—we’re happy to assist.