Develop and improve automation for provisioning, patching, upgrades, validation, and routine platform work using tools such as Ansible, Terraform, Helm, Git, Bash, Python, or similar technologies
Deploy and Support Ubuntu-based systems, hypervisors, Kubernetes clusters, and related platform services in day-to-day operations
Implement and maintain PXE-based provisioning environments leveraging Redfish APIs for large-scale server deployments
Operate and support virtualization and private cloud platforms, including KVM on Ubuntu, OpenStack environments and Harvester HCI
Monitor system performance, capacity, and availability; proactively address reliability risks
Troubleshoot complex cross-stack issues spanning hardware, OS, virtualization, OpenStack, and Kubernetes
Manage to SLAs, KPIs and error budgets
Participate in on-call escalation support for complex platform-related issues
Collaborate globally on change management, documentation, and operational best practices.
Develop and maintain runbooks, operational procedures, and technical documentation
Minimum Qualifications
Minimum 6 years of experience as a DevOps Engineer, Site Reliability Engineer, or Infrastructure Operations Engineer with a strong focus on compute
Strong hands-on experience operating bare metal compute environments at scale
Experience with PXE boot, automated OS provisioning, and server imaging systems
Practical experience supporting Bare Metal as a Service (BMaaS) platforms leveraging Redfish APIs
Strong Linux administration skills, especially with Ubuntu
Experience building and supporting CI/CD pipelines for infrastructure and platform automation
Proficiency with Infrastructure as Code tools (e.g., Terraform, Ansible, or similar)
Operational experience with virtualization and private cloud platforms, including KVM on Ubuntu, OpenStack operations and troubleshooting, Harvester HCI
Experience deploying and operating production Kubernetes environments
Strong scripting skills in Python, Bash, or similar languages
Strong understanding on SRE functions like toil reduction, error budgets and meeting SLAs
Proven troubleshooting and root cause analysis skills in complex distributed systems
Excellent written and verbal communication skills
Bachelor’s degree in computer science or equivalent professional experience.
Preferred Qualifications
OpenStack, Ubuntu KVM administration.
BareMetal as a Service (PXE, Redfish).
Kubernetes on BareMetal
Understanding CIS/NIST security and infrastructure lifecycle management.
ITIL Foundation/advanced certifications in support of ITSM standard methodology.
Background in telco, edge cloud, or large enterprise environments.
Ubuntu Certifications, CNCF Certified Kubernetes Administrator (CKA), Certified Kubernetes Security Specialist (CKS)
Master’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.
This role is hybrid and requires 3 days a week in office.
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.
Five9 is committed to providing reasonable accommodations for qualified individuals with disabilities throughout the application and interview process. If you need assistance or an accommodation due to a disability, please contact us at accommodations@five9.com to request an accommodation. Requests will be handled confidentially and in accordance with applicable law.
View our privacy policy, including our privacy notice to California residents here: https://www.five9.com/pt-pt/legal.
Note: Five9 will never request that an applicant send money as a prerequisite for commencing employment with Five9.
