More jobs:
Mainframe System Maintenance & Administration Engineer
Job in
New York, New York County, New York, 10261, USA
Listed on 2026-05-07
Listing for:
Princeton IT Services, Inc
Seasonal/Temporary
position Listed on 2026-05-07
Job specializations:
-
IT/Tech
Systems Administrator
Job Description & How to Apply Below
Job Title:
Mainframe System Maintenance & Administration Engineer
Location:
New York, NY
Employment Type:
Contract
We are looking for a skilled Mainframe System Maintenance & Administration Engineer to manage and support enterprise mainframe environments. The role involves ensuring system availability, performance optimization, security compliance, and smooth execution of batch and online workloads in a z/OS environment.
Key Responsibilities- Perform day-to-day administration and maintenance of mainframe systems (z/OS)
- Monitor system performance, capacity, and availability; take proactive measures to optimize performance
- Execute system upgrades, apply patches (PTFs), and maintain system software
- Manage and troubleshoot batch jobs using scheduling tools like Control-M or CA-7
- Handle dataset allocation, storage management, and backup/recovery processes
- Administer security through RACF, including user access control and auditing
- Support and maintain core subsystems such as CICS, DB2, and IMS
- Diagnose and resolve system issues, abends, and performance bottlenecks
- Develop and maintain JCL and REXX scripts for automation and job processing
- Participate in disaster recovery planning, testing, and execution
- Maintain documentation for system configurations, procedures, and processes
- Collaborate with cross-functional teams to support business-critical applications
- Bachelor’s degree in Computer Science, IT, or a related field
- 5+ years of experience in mainframe system administration or support
- Strong knowledge of z/OS operating system
- Hands‑on experience with JCL and mainframe utilities
- Experience with job scheduling tools (Control‑M, CA‑7)
- Knowledge of RACF or equivalent security tools
- Familiarity with CICS, DB2, or IMS environments
- Strong analytical and troubleshooting skills
- Experience with REXX scripting or automation tools
- Knowledge of system monitoring tools (OMEGAMON, RMF)
- Exposure to disaster recovery and high availability environments
- IBM Mainframe certifications are a plus
- Mainframe System Administration
- z/OS Maintenance & Support
- JCL & REXX
- Performance Monitoring & Tuning
- RACF Security Administration
- Batch Processing & Scheduling
- Incident & Problem Management
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