Principal Platform Engineer
Fifth Third BankAbout the role
Make banking a Fifth Third better®
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GENERAL FUNCTION:
Evaluate, design and implement technology solutions to build and progress technology strategies with a line of business. In the majority of situations, the incumbent will be the application owner responsible for third party, purchased software aligned with a LOB. Will have responsibility to work with vendor to understand upcoming changes, how the software fits into the technology roadmap and design plans to ensure business continuity and effectiveness. Understands the banks systems, how they are configured, how we need to reconfigure to meet the changes. If aligned to an agile squad may work closely with the product owner to ensure user stories are defined appropriately to develop effective technology solutions.
All employees are responsible and accountable for risk by openly exchanging ideas and opinions, elevating concerns, and following policies and procedures as defined. Accountable for always doing the right thing for customers and colleagues, and ensuring that actions and behaviors drive a positive customer experience. Operating within the Bank's risk appetite, you will achieve results while consistently identifying, assessing, managing, monitoring, and reporting risks of all types.
ESSENTIAL DUTIES AND RESPONSIBILITIES:
Monitor, analyze, and tune mainframe system performance (CPU, memory, I/O, workloads)
Identify performance bottlenecks and implement corrective actions
Analyze SMF/RMF data to provide actionable insights and recommendations
Optimize WLM policies and service class definitions to align with business priorities
Develop and maintain capacity models to predict future demand and growth
Perform trend analysis and forecasting for CPU, DASD, and throughput requirements
Collaborate with engineering and business teams to align capacity plans with strategic initiatives
Support hardware upgrades, LPAR sizing, and infrastructure scaling decisions
Perform z/OS system programming tasks including installation, configuration, and maintenance
Tune system parameters (PARMLIB, JES2, WLM, SRM) for performance optimization
Support and enhance system automation and health monitoring
Maintain system software including SMP/E maintenance, patching, and upgrades
Troubleshoot system-level issues impacting performance and availability
Utilize performance tools such as RMF, SMF, OMEGAMON, or equivalent
Generate reports and dashboards to communicate performance metrics to stakeholders
Develop scripts or automation (REXX, Python, or similar) to improve efficiency
Follow industry and organizational best practices and standards, and participate in company communities of practice to continuously refine and communicate them. Contribute to a culture of continuous improvement.
Achieve operational excellence by automating processes and creating maintainable, supportable, and testable solutions
Keep up with technology trends and innovations in your field(s) of practice
Provide operational support and troubleshooting for your team’s products and services
Provide coaching, mentoring, and training for new or less experienced team members
SUPERVISORY RESPONSIBILITIES: None
MINIMUM KNOWLEDGE, SKILLS AND ABILITIES REQUIRED:
Bachelor’s degree in a relevant technology field or equivalent combination of education and work experience
8+ years of engineering or other IT work experience relevant to the position
Strong expertise in z/OS internals, WLM, RMF, SMF, JES2/JES3
Hands-on experience with capacity planning and performance analysis
Proficiency in system-level diagnostics and problem determination
Experience with SMP/E, PARMLIB configuration, and system upgrades
Strong problem-solving and communication skills
Willingness to work in a highly-collaborative environment
Solid understanding and significant experience with modern software development practices, tools, and/or hardware technologies
Solid understanding of IT security best practices
Expertise in one or more technical and/or functional domains relevant to the position
Experience designing, implementing, and supporting complex technical solutions
Technical skills per the spe
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