Principal Linux Platform Engineer - Remote

Position: Principal Linux Platform Engineer  - Remote
** Requisition number:
** 2369577

** Job category:
** Technology

Optum Tech is a global leader in health care innovation. Our teams develop cutting-edge solutions that help people live healthier lives and help make the health system work better for everyone. From advanced data analytics and AI to cybersecurity, we use innovative approaches to solve some of health care's most complex challenges. Your contributions here have the potential to change lives.

Ready to build the next breakthrough? Join us to start  
** Caring. Connecting. Growing together.*
* ** Design and Operate Enterprise Linux Infrastructure at Massive Scale*
* 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? United Health Group is seeking a Linux Platform Engineer who is passionate about Linux, virtualization, automation, and enterprise infrastructure. This role will be responsible for engineering and operating highly scalable Linux environments that support mission-critical healthcare applications across our enterprise.

If you enjoy building Linux platforms, designing virtualization architectures, automating infrastructure, and solving complex operational challenges, this role offers a unique opportunity to work on some of the largest Linux environments in the industry.

** What You'll Do*
* As a Linux Platform Engineer, you'll help design, automate, and operate enterprise Linux and virtualization infrastructure that forms the foundation of our technology ecosystem. Join our team to help steward our on-prem Cloud deployed on High-Performance Compute infrastructure.

You'll enjoy the flexibility to work remotely
* from anywhere within the U.S. as you take on some tough challenges.

For all hires in the Minneapolis or Washington, D.C. area, you will be required to work in the office a minimum of four days per week.

*
* Primary Responsibilities:

*
* + Administer and maintain large-scale Red Hat Enterprise Linux environment deployed to our High-Performance Compute infrastructure

+ Design, deploy, and support KVM-based virtualization platforms

+ Build and maintain automation solutions using Ansible, Python, and shell scripting

+ Configure and support IBM Spectrum Scale (GPFS) storage environments

+ Implement system security, hardening, encryption, and compliance controls

+ Manage Linux networking including:

+ Bonding

+ Bridging

+ VLANs

+ macvtap

+ Configure and administer Linux storage technologies including:

+ LVM

+ dm-crypt

+ LUKS2

+ Troubleshoot complex operating system, virtualization, networking, and storage issues

+ Collaborate with Kubernetes, network, security, and application teams to deliver reliable infrastructure services

+ Drive platform modernization through automation and standardization initiatives

You'll be rewarded and recognized for your performance in an environment that will challenge you and give you clear direction on what it takes to succeed in your role as well as provide development for other roles you may be interested in.

*
* Required Qualifications:

*
* + Bachelor's degree or equivalent experience

+ 10+ years of Linux systems administration and engineering experience

+ Solid experience deploying and supporting KVM virtualization environments

+

Experience with Ansible automation and Infrastructure-as-Code methodologies

+ Experience implementing and supporting enterprise monitoring, logging, and alerting solutions using Grafana, Prometheus, Loki, Alert Manager, and Thanos

+ Solid experience automating infrastructure deployment, configuration, and operational processes using Ansible, scripting, and Infrastructure-as-Code practices

+ Experience administering Red Hat Identity Manager (IdM), including LDAP, Kerberos, SSSD, certificate management, and enterprise authentication services

+

Experience with cross-datacenter, high availability failover, and load balancing (F5 & haproxy) between multiple datacenters and K8s clusters

+ Deep expertise with Red Hat Enterprise Linux

+ Expert-level knowledge of:

+ Linux operating systems

+ SELinux

+ Linux…