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Lead Site Reliability Engineer

Mattermost - United States

Posted Feb 18, 2026

Benefits

Parental leave
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Non-birth-parent leave
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Family-building benefits
  • Fertility benefits: Not verified
  • Adoption assistance: Not verified
  • Surrogacy assistance: Not verified
Mental health support
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Relocation assistance
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Childcare support
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Learning budget
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Verification
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Salary
$145K-$200K From the posting source checked Jun 20, 2026
401(k) match
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Market context

U.S. role benchmark (BLS OEWS)
$116,543 U.S. median for this role
Projected growth (BLS Employment Projections)
+9.8% - Much faster than average

48% above the BLS role benchmark for software engineering aggregate.

Matched to SOC 15-1252 - Software Engineering aggregate by role bucket.

Source: U.S. Bureau of Labor Statistics, OEWS, May 2024 and Employment Projections, 2024-2034.

Role

Role function
Engineering From the posting source checked Jun 20, 2026
Seniority
Senior From the posting source checked Jun 20, 2026

Schedule

Shift type
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Weekend work
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Application

Cover letter
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Assessment
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Deadline
Not stated

Where they hire

State eligibility is not yet verified.

About this role

Lead Site Reliability Engineer United States 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 an experienced and visionary Lead Site Reliability Engineer (SRE) to guide the architecture, reliability, and operational excellence of the infrastructure powering our secure, mission-critical collaboration platform. In this role, you will provide technical leadership across our SRE function, driving strategic initiatives for scalability, observability, performance, and automation across cloud and hybrid environments. You will mentor engineers, establish best practices, and collaborate closely with development, security, and operations teams to ensure our customers in defense, government, and critical infrastructure sectors experience exceptional reliability and performance. Responsibilities Include: - Define the strategy, architecture, and roadmap for Mattermost's site reliability engineering function, aligning infrastructure initiatives with product and business goals. - Lead the design, deployment, and optimization of production-grade containerized workloads, infrastructure-as-code, and compliant cloud environments for regulated domains (e.g., FedRAMP, DoD). - Establish and evolve observability, monitoring, and alerting frameworks to ensure performance, reliability, and

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