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.

As part of the Product Engineering organization, the Senior DevOps Engineer plays a critical role in building, operating, and continuously improving cloud platform capabilities that power highly available, scalable services. This role directly supports a business-critical product that represents a significant portion of company revenue, making reliability, performance, and operational excellence essential to organizational success.
We are seeking a hands-on senior engineer who thrives in production environments, enjoys solving complex distributed systems challenges, and takes full ownership of platform reliability. The ideal candidate brings strong execution capability, sound engineering judgment, and a proactive mindset in driving automation and operational maturity.
This position requires shift-based work aligned with U.S. Pacific Time business hours and participation in an on-call rotation.

Key Responsibilities:

Design, implement, and automate components of large-scale distributed cloud infrastructure.
Build and enhance infrastructure-as-code frameworks, CI/CD pipelines, and operational tooling.
Improve system reliability, scalability, availability, latency, and overall performance.
Collaborate closely with platform, SRE, and product engineering teams to enable efficient and reliable software delivery.
Monitor production and staging environments; proactively identify risks and implement preventive measures.
Lead incident response efforts, perform deep debugging, and drive root cause analysis for production issues.
Contribute to operational excellence initiatives, improving key reliability metrics such as availability, MTTD, and MTTR.
Standardize and document architecture designs, operational procedures, and troubleshooting playbooks.
Drive automation and reduce manual operational overhead wherever possible.
Mentor junior engineers and promote best practices in reliability engineering and DevOps culture.

Requirements

5–7+ years of experience in Software Engineering, DevOps Engineering, or Production Operations.
3+ years of hands-on experience managing production systems and troubleshooting complex distributed environments.
3+ years of experience with public cloud platforms (AWS, GCP, or OpenStack); hybrid or data center experience is a plus.
Strong hands-on expertise with Infrastructure as Code (Terraform, Ansible) and scripting (Python, Bash, or similar).
Experience with containerization and orchestration technologies such as Kubernetes, Helm, and Docker.
Solid understanding of networking fundamentals, cloud architecture, and distributed systems principles.
Experience building and maintaining CI/CD pipelines using Git-based workflows (e.g., GitLab).
Working knowledge of databases and performance tuning concepts.
Strong troubleshooting and analytical skills across application, infrastructure, and cloud layers.
Excellent written and verbal communication skills.
Bachelor’s degree in Computer Science or equivalent practical experience.

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.

Senior DevOps Engineer

TLDR

Key Responsibilities:

Requirements