Principal I O Engineering

UnitedHealth Group•Eden Prairie, MN

9d•$112,700 - $193,200•Onsite

About The Position

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. As a Principal Infrastructure & Operations Engineer specializing in zSystems Mainframe Network Programming, you will join our enterprise infrastructure team to configure, tune, and optimize critical mainframe network communications. In this role, you will be responsible for ensuring high availability, performance, and security across z/OS Communications Server environments, file transfer protocols, and mainframe networking infrastructure. You will leverage modern mainframe tools and enterprise-approved AI capabilities to streamline workflows, troubleshoot complex operational issues, and drive continuous excellence across enterprise healthcare systems.

Requirements

Undergraduate degree or 4+ years of mainframe network system programming experience
10+ years of mainframe system programming experience with demonstrated proficiency in TSO/ISPF
10+ years of experience configuring, tuning, and troubleshooting zSeries Communication Services (VTAM, TCP/IP, TN3270)
5+ years of experience utilizing network monitoring and troubleshooting tools (e.g., NetView, MainView, or OMEGAMON)
3+ years of experience installing, configuring, and supporting Connect Direct / NDM

Nice To Haves

Undergraduate degree in Computer Science, Information Technology, or a related field
Experience with Connect Direct File Agent implementation and usage
Hands-on experience using SMP/E for software installation and maintenance
Proficiency in writing and maintaining REXX and/or NetView REXX scripts
Ability to leverage enterprise-approved AI tools (such as Microsoft 365 Copilot) to analyze data, summarize meetings, draft communications, and provide technical recommendations
Awareness of emerging AI trends and applications for LinuxOne and mainframe system programming

Responsibilities

Configure, tune, and troubleshoot z/OS Communications Server and associated tasks, including VTAM, TCP/IP, Policy Agent, TN3270, and FTP
Install, configure, and maintain Connect:Direct/NDM and native file transfer protocols (FTP, SFTP, FTPS using TLS)
Define, implement, and maintain Policy Agent configurations and Open Systems Adapter (OSA) definitions
Provide advanced technical troubleshooting and performance optimization using mainframe network monitoring tools
Serve in an on-call rotation to support maintenance change windows and system updates, including scheduled weekend work
Use enterprise-approved AI tools to streamline workflows, automate routine tasks, analyze operational data, and drive continuous process improvement
Evaluate emerging technology trends, including AI integration capabilities for mainframe and LinuxOne system programming, to inform solution design and operational strategy