About this opportunity
TBC lists this z/OS Mainframe Operator opportunity in scottsdale, Arizona. Review the employer’s description below for duties, qualifications and application requirements.
Job description
TB Consulting for CVS Healthcare
Below covers everything you need to know about what this opportunity entails, as well as what is expected from applicants.
Role: z/OS Mainframe Operations Specialist (L1/L2)
Client: Major Healthcare Entity (Phoenix-based)
Location: 100% Remote. Must live in the U.S. and not require sponsorship
Shift: 1st and 3rd Shift (Overnight) and Weekends include some Sundays. U.S. MST Time
Compensation:
W2 or 1099
Opportunity Overview
We are seeking a high-caliber Mainframe Operations Specialist to join a mission-critical infrastructure team supporting a large-scale healthcare environment. This is not a "watch and wait" batch role; you will have direct responsibility for HMC operations, System IPLs, and POR execution across a complex multi-LPAR environment.
If you have a "keep the lights on" mentality and thrive in high-availability environments where uptime is measured in lives impacted, we want to talk to you.
Core Technical Responsibilities
System Health & LPAR Management
Perform daily production/QA checkouts of all LPARs , verifying started tasks and hardware configurations.
Monitor and manage JES spool utilization ; add capacity, purge output, or cancel batch jobs to maintain stability.
Manage system resources (CPU, JNUM, JQES, BUFX ) and execute "spin-offs" for resource-intensive tasks.
Execute recycle procedures for MQ, DB2, CICS, and zOSconnect subsystems.
Console & Hardware Operations (HMC)
Manage restricted-access HMC operations , including POR profiles, LPAR load/dump profiles, and capacity weights.
Execute Power-On Resets (POR) of mainframes, Coupling Facilities, and IDAA devices.
Perform Data Transfer Pool Swaps and manage STP/time arbiter roles.
Support z/OS hardware upgrades by configuring BCPii networking and creating new CEC profiles.
Change Management & IPLs
Own the Sunday Mainframe Change Window , managing full System IPLs and PARMLIB updates.
Maintain the master IPL SHEET (SOP) , accounting for PORs, GDPS changes, and z/OS upgrades.
Lead weekly Thursday IPL review meetings with Systems and Hardware Engineering.
Emergency Response & Support
Identify and mitigate looping jobs; perform address space or full stand-alone dumps on crashed systems.
Execute DBAR system restoration in alternate data centers during major outages.
Provide Level 1/2 triage, including TSO session management and user ID restoration.
Qualifications
Must-Have: Hands-on experience in a Production z/OS Mainframe Operations environment.
Command Line Mastery: Proficiency with JES2/JES3, VTAM, TSO/ISPF , and MVS system commands.
Hardware Familiarity: Proven experience with HMC, POR, and LPAR configuration.
Operational Discipline: Experience managing GDPS/Parallel Sysplex environments is highly preferred.
Shift Flexibility: Must be comfortable and proven in a 3rd shift (Overnight) capacity.
Why This Role?
This is a rare 100% remote opportunity to work on a modern mainframe stack (z16/z15 ) for a massive healthcare infrastructure. xhqgsiq You will be a key player in the Sunday Change Windows , giving you high visibility and technical ownership that most "Operator" roles lack.
Worksite address
scottsdale, AZ, 85261, US
Who can apply
Review the original listing for work authorization, qualifications and employer requirements.