Note: The job is a remote job and is open to candidates in USA. Fifth Third Bank is a leading financial institution dedicated to connecting great people to great opportunities. The Principal Platform Engineer will evaluate, design, and implement technology solutions, ensuring effective performance and alignment with business strategies.

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

Skills

• 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 specific position's requirements

Benefits

• Comprehensive benefits and differentiated compensation offerings
• Eligible to participate in an incentive compensation plan, with any such payment based upon company, line of business and/or individual performance
• Our extensive benefits programs are designed to support the individual needs of our employees and their families, encompassing physical, financial, emotional and social well-being

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