Senior DevOps Engineer – Infra Services

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.

We are seeking a highly experienced Senior DevOps Engineer – Infra Services with strong operational expertise in enterprise DNS platforms to implement and support our current and future DNS & Kubernetes architecture in private cloud. You will be directly responsible for ensuring the scalability, resilience, automation, and performance optimization of our DNS & Kubernetes environment by leveraging Infrastructure-as-Code (IaC) tools like Ansible, Python and Terraform

This is a deeply technical role requiring expert-level understanding of DNS, Kubernetes and extensive working knowledge on Linux Operating systems. You will also collaborate with platform and SRE teams to maintain secure, performant, and multi-tenant-isolated services that serve high-throughput, mission-critical applications.

Key Responsibilities

Implementand support large scale DNS Architecture that stretches private & public cloud across multiple regions.

Implement and support Infoblox DDI solutions (DNS, IPAM, DHCP), Cloudflare DNS management, Google & AWS DNS services.

Implement and support multi-tenant Kubernetes clusters leveraging BareMetal servers and Software defined storage protocols.

Implement Infrastructure as code leveraging CI/CD automation, Ansible, Terraform/Pulumi, Python and Bash for automated provisioning of DNS services.

Implementcontinuous delivery pipelines for Infrastructure updates, including patch management, service upgrade testing, and rollback procedures.

Develop automated monitoring, alerting, and healing mechanisms using GitOps principles and observability stacks (e.g., Prometheus, Loki, Grafana).

Harden services for high availability, disaster recovery, and scale-out operations.

Perform deep-dive troubleshooting and performance analysis of Infrastructure services across hypervisors, backend storage protocols and networking layers.

Be involved in Change management and Global team collaboration

Participate in on-call rotation, incident response, and root cause analysis for platform reliability issues.

Minimum Qualifications

5+ in managing global DNS & Kubernetes on Linux Operating Systems.

Expertise with Infoblox DDI systems (or similar enterprise DNS systems), Bind9, CloudFlare, GCP and AWS DNS services.

Expert knowledge in managing Kubernetes and Ubuntu Linux systems.

Proven experience automating infrastructure processes and deployments using Ansible, Terraform, Python, and CI/CD pipelines, with demonstrated ability to drive and scale a culture of automation.

Strong Linux (RHEL/CentOS/Ubuntu) systems engineering background with advanced scripting inPython, Bash, or

Familiar with various Infrastructure technology stacks like Hypervisor Technologies (KVM, Vsphere,), storage protocols (SDS) (iSCSI, NFS, CEPH), L2/L3 Networking

Strong experience supporting mission critical 24x7 customer facing production environments.

Ability to write technical documentation and contribute to community wikis or knowledge bases.

Preferred Qualifications

Good understanding of overall Enterprise Common Infrastructure service implementations with a focus on DNS & Kubernetes.

Understanding of security best practices for system patching and security compliance (e.g., CIS, NIST).

Background in telco, edge cloud, or large enterprise infrastructure environments.

Experience building and maintainingautomated test environments for system upgrades and DNS migrations.

Bachelor's degree in computer science, IT, Engineering, or a related field preferred; equivalent experience and relevant industry certifications will also be considered.

What You'll Get

A collaborative team that's deeply invested in infrastructure excellence.

Complex technical challenges that require creative, scalable solutions.

The opportunity to shape a next-generation private cloud platform-built reliability.

Access to the latest tools, frameworks, and upstream project developments.

Skills and Attributes:

Analytical Thinking & Problem Solving: Demonstrated ability to translate complex, cross-domain requirements into scalable and resilient cloud infrastructure and automation solutions.

Collaboration & Teamwork: Strong interpersonal and communication skills with a proven track record of effective collaboration across multidisciplinary teams, including developers, operations, security, and product stakeholders.

Mentorship & Leadership: Passionate about knowledge-sharing and mentorship, with experience guiding junior engineers and fostering a team culture of continuous learning, innovation, and technical excellence in cloud engineering and DevOps practices.

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