Lead installation, configuration, maintenance, and support of IBM z/OS mainframe environments. Plan upgrades, perform system maintenance, troubleshoot complex incidents, optimize performance and capacity, automate operations, support resiliency and disaster recovery, coordinate with vendors and cross-functional teams, and mentor junior staff to ensure secure, highly available banking services.
Overview
Responsible for the installation, configuration, maintenance, and support of the IBM z/OS operating system and associated mainframe infrastructure supporting critical banking applications. Ensures the stability, availability, security, and performance of the enterprise IBM Z platform through effective system administration, software maintenance, automation, troubleshooting, and technical leadership.
Serves as a senior technical contributor responsible for leading complex system initiatives, resolving advanced technical issues, mentoring junior staff, and driving operational excellence within the Mainframe Systems Programming team. Works closely with application support teams, infrastructure teams, vendors, and technology partners to maintain a highly resilient and secure computing environment.
Primary Responsibilities
- Install, configure, maintain, and support IBM z/OS operating systems and related system software in production and non-production environments.
- Plan and execute z/OS upgrades, migrations, maintenance, and service implementation activities utilizing SMP/E and established change management procedures.
- Lead technical efforts supporting enterprise mainframe infrastructure including operating system software, subsystem integration, and core platform services.
- Participate in cross-functional projects and provide technical leadership for infrastructure modernization, resiliency, automation, security, and performance improvement initiatives.
- Perform system software maintenance activities including installation of IBM and ISV software products, service application, health checks, and validation testing.
- Monitor system health, performance, and availability; identify trends and recommend improvements to optimize platform stability and efficiency.
- Investigate, diagnose, and resolve complex system incidents utilizing system traces, dumps, logs, vendor diagnostic utilities, and problem determination techniques.
- Coordinate with IBM and third-party software vendors to troubleshoot issues, implement fixes, and validate resolutions.
- Support and maintain enterprise resiliency technologies including Parallel Sysplex environments, system recovery processes, and disaster recovery capabilities.
- Develop and maintain automation solutions that improve operational efficiency, reduce manual effort, and enhance system reliability.
- Participate in capacity planning activities and provide analysis of processor, memory, storage, and workload utilization to support future growth.
- Schedule and implement maintenance activities while minimizing operational risk and service disruption.
- Provide after-hours support for planned implementations, maintenance activities, and critical production incidents.
- Create and maintain technical documentation, standards, procedures, and operational run books.
- Mentor and train less experienced systems programmers and provide technical guidance across project and operational activities.
- Attend vendor-sponsored training, conferences, and industry events to evaluate emerging technologies and recommend strategic improvements.
- Collaborate with cybersecurity, architecture, application development, storage, and network teams to ensure secure and efficient platform operation.
- Analyze operational trends and recurring issues to identify root causes and implement permanent corrective actions.
- Ensure compliance with corporate policies, regulatory requirements, audit standards, and technology control frameworks.
Scope of Responsibilities
The Systems Programmer III works independently on complex technical assignments and serves as a subject matter expert within one or more areas of the IBM Z platform. Responsibilities include supporting highly available production systems, leading technical initiatives, mentoring team members, and providing guidance on major infrastructure decisions.
This position directly influences the stability, security, and resiliency of critical banking services running on the enterprise mainframe platform.
Supervisor/Managerial Responsibilities
No direct management responsibility.
May provide technical leadership, mentorship, project coordination, and work direction to less experienced team members.
Education and Experience Required
- Combined minimum of 6 years of higher education and/or related work experience.
- Minimum 5 years of experience supporting IBM z/OS operating systems in a large enterprise environment.
- Experience installing, maintaining, and troubleshooting z/OS system software.
- Experience utilizing SMP/E for software maintenance and lifecycle management.
- Experience supporting IBM Z hardware and operating system infrastructure.
- Strong analytical and problem-solving skills with ability to diagnose complex system issues.
- Experience reading and interpreting technical documentation, dumps, traces, and diagnostic information.
- Strong written and verbal communication skills.
- Ability to manage multiple priorities in a mission-critical production environment.
- Experience leading technical projects and coordinating activities across multiple technology teams.
- Proven ability to mentor and train less experienced technical staff.
Education and Experience Preferred
- Bachelor's degree in Computer Science, Information Technology, Engineering, or related field.
- Combined minimum of 10 years of higher education and/or related work experience.
- 7+ years of IBM z/OS Systems Programming experience.
- Experience supporting one or more of the following:
- JES2
- HCD/HCM
- WLM
- RMF
- UNIX System Services (USS)
- TSO/E
- SDSF
- ISPF
- RACF
- IBM Z Workload Scheduler
- Parallel Sysplex
- GDPS
- Mainframe Automation products
- Experience with mainframe performance monitoring and capacity planning.
- Experience supporting disaster recovery and business continuity initiatives.
- Experience with REXX, JCL, CLIST, Ansible, Python, or other automation technologies.
- IBM z/OS certifications or related technical training.
- Experience supporting regulated financial services environments.
Preferred Technical Skills
Candidates with experience in several of the following areas are highly desirable:
- IBM z/OS
- IBM zSystems Hardware
- SMP/E
- JES2
- Parallel Sysplex
- GDPS
- RACF
- RMF
- SMF
- HCD/HCM
- USS
- SDSF
- TSO/ISPF
- REXX
- JCL
- OMEGAMON
- System Automation for z/OS
- Mainframe Security and Compliance
- Disaster Recovery and Resiliency
- Capacity Planning and Performance Analysis
We support our team members with generous benefits.
- Competitive compensation
- Health, welfare, and retirement benefits
- 401(k) match at 5%
- Work-life balance and flexible work arrangements
- Banking Officers start with 25 days PTO plus 12 paid holidays
- 40 hours paid volunteer hours per year
- Much more. For details, see: M&T Benefits Overview
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