Principal Mainframe Network Engineer – z/OS & VTAM

UnitedHealth Group

Eden Prairie (MN)

On-site

USD 113,000 - 193,000

Full time

14 days+

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Benefits offered by this job

Comprehensive benefits package

Equity stock purchase

401k contribution

Job summary

UnitedHealth Group is seeking a Principal Infrastructure & Operations Engineer specializing in zSystems mainframe networking to join the enterprise team. You will configure, tune, and optimize z/OS Communications Server, VTAM, and FTP/TN3270, ensuring high availability and secure operations across mainframe networks.

You will lead on-call rotations, implement Connect Direct/NDM, and drive continuous improvement using enterprise AI tools while exploring new trends in LinuxOne and mainframe

Qualifications

Undergraduate degree or 4+ years of mainframe network system programming experience.

Responsibilities

Configure, tune, and troubleshoot z/OS Communications Server and VTAM, TCP/IP, and FTP.
Install, configure, and maintain Connect Direct/NDM and FTP/SFTP/FTPS.
Define and maintain Policy Agent configurations and Open Systems Adapter definitions.
Provide advanced troubleshooting and performance optimization using mainframe tools.
Serve in on-call rotation for maintenance windows and weekend work.
Utilize AI tools to streamline workflows and analyze operational data.
Evaluate emerging AI trends for mainframe and LinuxOne.

Skills

Mainframe network

z/OS VTAM

TCP/IP

TN3270

FTP

Connect Direct

REXX scripting

NetView

OMEGAMON

SMP/E

Education

Mainframe-related degree

Tools

NetView

MainView

OMEGAMON

SMP/E

Connect Direct/NDM

REXX

Job description

You will lead on-call rotations, implement Connect Direct/NDM, and drive continuous improvement using enterprise AI tools while exploring new trends in LinuxOne and mainframe

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