Director of Site Reliability Engineering

Join us in bringing joy to customer experience. Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide.

Living our values everyday results in our team-first culture and enables us to innovate, grow, and thrive while enjoying the journey together. We celebrate diversity and foster an inclusive environment, empowering our employees to be their authentic selves.

Director of Site Reliability Engineering

The Director of Site Reliability Engineering is responsible for leading the strategic vision, operational excellence, and organizational capability of our SRE function. This role combines technical leadership with people management to build and scale a world-class SRE organization that enables rapid innovation while maintaining exceptional reliability standards.

As the senior leader of the SRE discipline, you will establish the technical strategy, culture, and practices that ensure our systems can scale reliably to meet business demands. You will build and lead a team of SRE professionals, partner with engineering leadership across the organization, and drive the adoption of SRE principles and practices.

This is a hands-on leadership role requiring deep technical expertise, proven ability to scale engineering organizations, and a track record of building reliable systems at scale. The ideal candidate will balance reliability with tactical execution, driving both immediate operational excellence and long-term architectural improvements where necessary.

Key Responsibilities

Strategic Leadership & Vision

• Define and execute the long-term SRE strategy aligned with business objectives and technical roadmap
• Establish reliability standards, SLI / SLO frameworks, and error budget policies across services
• Drive architectural decisions that improve system reliability, scalability, and operational efficiency
• Partner with engineering leadership to influence platform and application design for reliability
• Represent SRE perspective in executive technical discussions and strategic planning

Team Leadership & Development

Operational Excellence & Incident Management

Cross-Functional Partnership

Platform & Tooling Strategy

Organizational & Process Innovation

Required Skills

Leadership & Management Experience

Technical Expertise

SRE & Operations Mastery

Business & Strategic Acumen

Desired Skills

Advanced Technical Background

Success Metrics

Reliability & Performance

Team & Organizational Development

Operational Excellence

Five9 embraces diversity and is committed to building a team that represents a variety of backgrounds, perspectives, and skills.  The more inclusive we are, the better we are.  Five9 is an equal opportunity employer.

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Note : Five9 will never request that an applicant send money as a prerequisite for commencing employment with Five9.

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Skills Required

Performance Optimization, Distributed Systems, Cost Management, Prometheus, Grafana, Datadog, Infrastructure Automation, Capacity Planning, Gcp, Incident Management, Azure, Kubernetes, Aws