I O Engineer

UnitedHealth Group • Eden Prairie, MN

21h • 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 diversity and inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health equity on a global scale. Join us to start Caring. Connecting. Growing together.
We are seeking an experienced Red Hat Linux Administrator to join our team and support the design, implementation, and management of our Linux-based infrastructure. The ideal candidate will have strong technical expertise in Red Hat Enterprise Linux (RHEL), automation, system security, and enterprise operations. This role will contribute to system reliability, performance optimization, and overall infrastructure modernization.
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 for a minimum of four days per week.
Schedule: Monday – Friday, standard hours, occasional nights and weekends for maintenance
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.

Requirements

• High School Diploma/GED (or higher)
• 3+ years of experience administering Red Hat Enterprise Linux systems
• 3+ years of hands-on experience with RHEL 7/8/9
• 3+ years of experience with automation tools such as Ansible
• 3+ years of experience with monitoring tools (Nagios, Zabbix, Prometheus, etc.)
• Advanced level of understanding of SELinux, systemd, firewalld, and package management (RPM, yum/dnf)
• Advanced level of knowledge of networking fundamentals (TCP/IP, routing, DNS, DHCP, VLANs)
• Intermediate level of understanding with virtualization platforms (VMware, KVM, or RHV)
• Proven solid troubleshooting, analytical, and documentation skills
• All Telecommuters will be required to adhere to UnitedHealth Group’s Telecommuter Policy.

Nice To Haves

• Red Hat certifications: RHCSA, RHCE
• Experience with cloud platforms (AWS, Azure, GCP)
• Experience with Git or CI/CD tools
• Familiarity with enterprise storage technologies

Responsibilities

• Install, configure, and maintain Red Hat Enterprise Linux (RHEL) servers across production and non‑production environments
• Manage user accounts, access controls, sudo policies, and authentication services (LDAP, AD integration, SSSD, Kerberos)
• Perform routine system updates, patching, kernel upgrades, and security hardening
• Configure and troubleshoot system services (systemd, SELinux, firewalld, NTP, DNS, DHCP)
• Monitor system health, performance, and capacity using enterprise monitoring tools
• Manage storage, logical volumes, file systems (ext4, XFS), and network file services (NFS, SMB)
• Support network configuration, routing, VLANs, bonding, and firewall rules
• Automate operational tasks using Bash, Python, or Ansible
• Participate in backup, recovery, and disaster‑recovery planning and execution
• Provide technical guidance to application teams and collaborate with security, network, and cloud engineering groups
• Maintain accurate system documentation and operational procedures
• Participate in on‑call rotation as needed
• Leverage enterprise-approved AI tools to enhance productivity and innovation by streamlining workflows and automating repetitive tasks. Evaluate emerging trends to drive continuous improvement and strategic innovation

Benefits

• In addition to your salary, we offer benefits such as, a comprehensive benefits package, incentive and recognition programs, equity stock purchase and 401k contribution (all benefits are subject to eligibility requirements).
• No matter where or when you begin a career with us, you’ll find a far-reaching choice of benefits and incentives.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: High school or GED