Sr. Manager, Site Reliability Engineer; SRE

Founded in 1992 in Dover, NH, Planet Fitness is one of the largest and fastest-growing franchisors and operators of fitness centers in the world by number of members and locations. As of March
31, 2026, Planet Fitness had approximately 21.5 million members and 2,909 clubs in all 50 states, the District of Columbia, Puerto Rico, Canada, Panama, Mexico, Australia and Spain.

The Company's mission is to enhance people's lives by providing a high-quality fitness experience in a welcoming, non-intimidating environment, which we call the Judgement Free Zone. Approximately 90% of Planet Fitness clubs are owned and operated by independent business owners.

At Planet Fitness, our purpose is to create a more connected and Judgement Free planet, where fitness and wellbeing are within reach for all. That commitment extends to our team members and how we work together.

Breaking Boundaries Together is how we bring our employee experience to life, creating a place where people can show up as themselves, explore what's possible, continue to grow and achieve more together than they can alone. Guided by our PLANET Principles, we put people first, lead with authenticity and integrity, embrace change and thrive together.

For the past 30 years, we've helped millions of people in their fitness journey and revolutionized the industry along the way. And we're just getting started!

The Sr. Manager, Site Reliability Engineering (SRE) leads the strategy, execution, and continuous improvement of reliability, availability, and performance across Planet Fitness's retail technology ecosystem. This role is responsible for ensuring that both digital platforms and in-club systems run reliably, efficiently, and s position will lead teams responsible for incident management, observability, platform reliability, and end-to-end technology support. This role operates at the intersection of software engineering and infrastructure, driving automation, reducing toil, and embedding reliability into the software development lifecycle.

This role follows a hybrid schedule and requires regular, in-person work at our Boston, MA or Hampton, NH office. Our hybrid model is M/T/W in office and TH/F are optional work-from-home. Candidates must reside within commuting distance of one of these locations. Fully remote work is not available for this role.

Reliability & Performance Engineering

• Define and own Service Level Objectives (SLOs), Service Level Indicators (SLIs), and error budgets across critical systems.
• Drive reliability engineering practices across the software lifecycle, embedding resilience into system design.
• Lead performance engineering, capacity planning, and scalability strategies aligned to retail demand cycles.
• Implement and mature incident management processes, including post-incident root cause analysis (RCA) and continuous improvement loops.
• Design and implement cross-functional support and escalation process for IT platforms to align with business and technical goals; including stakeholder alignment across engineering, operations, and support teams.
• Act as incident commander for high-severity issues, ensuring rapid resolution and clear stakeholder communication.
• Establish production readiness and operational acceptance criteria for new platforms and services.

Platform & Automation

• Champion infrastructure as code (IaC), automation, and self-healing systems to reduce manual intervention and operational toil.
• Partner with platform engineering to build scalable, resilient cloud-native architectures.
• Drive adoption of CI/CD pipelines, safe deployment strategies (e.g., canary, blue/green), and automated rollback mechanisms.

Observability & Monitoring

• Implement comprehensive observability (metrics, logs, traces) to provide actionable insights into system health.
• Standardize monitoring frameworks and alerting strategies aligned to business-critical services.
• Enable real-time visibility into customer experience across digital and physical retail channels.

Cross-Functional Collaboration

• Partner with technology operations, engineering, product, security, and infrastructure teams to embed reliability into design and delivery.
• Act as a key liaison during high-impact incidents, communicating clearly with technical and business stakeholders.
• Align reliability initiatives with business priorities such as uptime during peak retail periods.
• Partner with security and compliance teams to ensure operational controls meet enterprise standards

Strategy and Continuous…