Principal OpenShift Kubernetes Engineer - Remote
About The Position
Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find a culture guided by inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health optimization on a global scale. Join us to start Caring. Connecting. Growing together. Do you want the opportunity to build and innovate with autonomy? Do you enjoy pushing platforms and infrastructure to new levels of performance and reliability? Do you want to work alongside talented teammates who value collaboration, trust, and positive intent? At UnitedHealth Group, technology isn't just a support function—it's a strategic differentiator helping improve healthcare outcomes for millions of people. We operate some of the largest and most sophisticated infrastructure environments in the industry, and we're looking for a Senior OpenShift Kubernetes Administrator to help lead our cloud-native platform transformation. This is an opportunity to engineer, automate, and operate enterprise-scale OpenShift environments that power mission-critical healthcare applications. You'll work with cutting-edge technologies, solve complex platform challenges, and influence the future direction of our Kubernetes strategy. What You'll Do As a senior member of our Kubernetes Platform Engineering team, you will be responsible for the reliability, scalability, security, and automation of our OpenShift ecosystem. Join our team to help steward our on-prem Cloud deployed on High-Performance Compute infrastructure.
Requirements
- Bachelor's degree or equivalent experience
- 5+ years administering Kubernetes platforms in production environments
- Experience with Ansible and automation frameworks
- Experience with container technologies and image creation
- Experience troubleshooting enterprise-scale platform issues
- Experience deploying and administering OpenShift Virtualization (KubeVirt) to support both containerized and virtual machine workloads
- Experience implementing and supporting enterprise monitoring, logging, and alerting solutions using Grafana, Prometheus, Loki, AlertManager, and Thanos
- Experience with Git Action pipeline deployments for OpenShift, bash scripting using oc for controls, deployments, and working closely with application teams on deployments, new namespaces, affinities, and sizing
- Experience with cross-datacenter, high availability failover, and load balancing (F5 & haproxy) between multiple datacenters and K8s clusters
- Solid knowledge of Kubernetes internals including: Scheduling, Networking, Storage, Ingress and load balancing, Operators, Cluster lifecycle management
- Proficiency in shell scripting and at least one programming language such as Python or Go
- Proven deep expertise with Red Hat OpenShift
- Proven solid Linux administration skills, preferably Red Hat Enterprise Linux
- Proven excellent communication and technical documentation skills
- Demonstrated security-first mindset with expertise in platform hardening, identity and access management, vulnerability remediation, encryption, and regulatory compliance
Nice To Haves
- Red Hat OpenShift certification
- OpenShift deployed to IBM LinuxONE and IBM Z environments
- s390x Linux architecture
- Experience with GitOps, CI/CD pipelines, and Infrastructure-as-Code
- Experience supporting high-availability Kubernetes environments
- Experience supporting mission-critical applications with strict uptime requirements
- Knowledge of enterprise networking concepts and Kubernetes networking architectures
- Familiarity with GPFS (IBM Spectrum Scale) or other distributed storage technologies
Responsibilities
- Administer, maintain, and optimize enterprise OpenShift Kubernetes platforms deployed to our High-Performance Compute infrastructure
- Manage large-scale OpenShift clusters using: OpenShift Console, OpenShift CLI (oc), Advanced Cluster Manager (ACM), Infrastructure automation tools
- Design and implement automated deployment, configuration, and lifecycle management solutions
- Develop Infrastructure-as-Code and automation frameworks using Ansible and scripting
- Troubleshoot complex Kubernetes, container, networking, and platform issues
- Collaborate with developers to improve application reliability, observability, scalability, and performance
- Implement enterprise security controls and platform hardening standards
- Support high availability, disaster recovery, and multi-cluster architectures
- Drive platform modernization initiatives and operational excellence through automation
- Participate in architecture reviews and help define the future state of enterprise container platforms
Benefits
- comprehensive benefits package
- incentive and recognition programs
- equity stock purchase
- 401k contribution
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What This Job Offers
Job Type
Full-time
Career Level
Senior
