Senior Remote Application Performance Engineer

UnitedHealth Group; Eden Prairie, Northern (MN, KY); Hybrid; Confidential; Full time

Benefits offered by this job

Comprehensive benefits package

Equity stock purchase program

401k contribution

Job summary

UnitedHealth Group’s Optum division is seeking an experienced Application Performance Specialist to optimize large-scale mainframe and modern platform workloads. You will tune in z/OS environments and deliver code across COBOL, Java, Python, Go, JCL, and REXX.

Remote US-wide role with forensics using Strobe, DB2 Visualizer, and Omegamon; review batch streams; mentor teammates; provide 24/7 support and AI-enhanced analytics to drive performance improvements.

Qualifications

• Undergraduate degree or equivalent experience
• 10+ years of application performance experience with proficiency in tuning on large multi-processor, multi-LPAR environments
• Knowledge of z/OS, Strobe, and monitoring systems (e.g. Omegamon)
• Knowledge and proficiency in the use of TSO, ISPF, JCL, and ability to modify job streams for batch
• Working understanding of USS (Unix), CICS, Liberty, DB2, and SQL

Responsibilities

• Perform deep dive performance forensics using Strobe, DB2 Visualizer, and exception reporting to isolate code level drivers of degradation
• Use SQL statements and DB2 processing to improve CPU usage and run time
• Deliver technical code in COBOL, Java, Python, Go, JCL, and REXX
• Must be comfortable with performing application code review for tuning recommendations
• Daily review of exception report metrics to address anomalies as they occur
• Provide routine awareness of technical solutions and education among the APM team
• Assist in war room hosting for issues that arise impacting application support
• Engage in technology proof of concept and proof of technology support
• Provide mentorship to less experienced application performance technical team
• Deliver 7x24x365 technical support for application improvements
• Leverage AI tools daily to enhance analysis efficiency, streamline support activities, and improve overall productivity

Job description

UnitedHealth Group’s Optum division is seeking an experienced Application Performance Specialist to optimize large-scale mainframe and modern platform workloads. You will tune in z/OS environments and deliver code across COBOL, Java, Python, Go, JCL, and REXX.

Remote US-wide role with forensics using Strobe, DB2 Visualizer, and Omegamon; review batch streams; mentor teammates; provide 24/7 support and AI-enhanced analytics to drive performance improvements.