Principal Platform Engineer
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Job Description
Principal Platform Engineer at Fifth Third Bank, evaluating, designing, and implementing technology solutions with a focus on mainframe system performance and capacity planning.
Responsibilities:
- Evaluate, design and implement technology solutions to build and progress technology strategies with a line of business
- Be the application owner responsible for third party, purchased software aligned with a LOB
- Work with vendor to understand upcoming changes
- Design plans to ensure business continuity and effectiveness
- 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
Requirements:
- 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
Benefits:
- health insurance
- 401(k) matching
- paid time off
- comprehensive benefits programs to support physical, financial, emotional, and social well-being
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