Mainframe Systems Engineer - z/OS

About the role

The Mainframe Systems Engineer position at Regions is responsible for installing and maintaining mainframe operating systems, ensuring the stability, performance, and security of the mainframe environment. This role involves driving innovation and continuous improvement.

Responsibilities

• Evaluates system specifications, input/output processes, and working parameters for hardware/software compatibility
• Troubleshoots and resolves complex technical issues related to mainframe systems and applications
• Administers, configures, and maintains mainframe systems, including hardware, operating systems, and software components
• Maintains operational effectiveness and efficiency by monitoring, evaluating, and adjusting mainframe operating systems
• Maintains quality service by establishing and enforcing organization standards
• Maintains installation records by documenting system configurations, procedures, and best practices
• Solves problems by determining cause, providing technical assistance to applications and other support staff
• Develops and implements backup and disaster recovery strategies to ensure business continuity
• Covers on call 24x7 on a rotating basis for problem resolution and SEV1 incidents
• Ensures compliance with risk management programs, rules and regulations, and cybersecurity practices; identifies opportunities for and supports process improvements; applies disciplined change management practices

Requirements

• Bachelor's degree in Computer Science, Business, or a related field and six (6) years of mainframe infrastructure technical software and hardware analysis, programming, and installation experience
• High School Diploma or GED with ten (10) years of experience of mainframe infrastructure technical software and hardware analysis, programming, and installation
• Experience in installation and support of Mainframe system products including ZOS, CICS, MQ, DB2, Storage, Automation, ZLINUX or Networking
• Experience in problem determination, installation and support of mainframe products, disaster recovery experience and knowledge, and performance and tuning experience
• Experience in opening, managing, solving, and closing problems with vendor support centers

Skills and Competencies

• Ability to interpret and ensure compliance with applicable rules, regulations, and industry guidance
• Ability to work in a team environment when applicable
• Ability to work under limited guidance
• Ability to work under pressure and meet deadlines
• Excellent problem solving and trouble shooting skills
• Strong communication and collaboration abilities
• Strong understanding of mainframe hardware
• Administer and support IBM z/OS storage infrastructure including DASD, tape, and virtual storage environments
• Manage and maintain IBM DFSMS components including SMS, ACS routines, DFSMSdss, DFHSM, and RMM
• Monitor storage performance and implement tuning recommendations to improve system efficiency
• Develop and maintain storage standards, policies, procedures, and disaster recovery documentation
• Support storage provisioning, volume management, catalog management, and dataset migration activities
• Troubleshoot and resolve storage-related incidents, performance issues, and hardware failures
• Coordinate storage upgrades, maintenance activities, and vendor engagements
• Participate in disaster recovery testing and business continuity planning initiatives
• Maintain system health and replication status using GDPS automation and management tools
• Analyze and resolve complex GDPS, Sysplex, replication, and availability issues
• Develop and maintain disaster recovery runbooks, procedures, and technical documentation
• Assist with audits, compliance reviews, and business continuity assessments

Preferred Qualifications

• 5+ years of z/OS infrastructure support experience
• IBM GDPS certification or equivalent experience
• Familiarity with z/OS system programming, storage administration, and network technologies