Principal Platform Engineer

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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 specific position’s requirements

Position not available for immigration sponsorship

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At Fifth Third, we understand the importance of recognizing our employees for the role they play in improving the lives of our customers, communities and each other. Our Total Rewards include comprehensive benefits and differentiated compensation offerings to give each employee the opportunity to be their best every day.

The base salary for this position is reflective of the range of salary levels for all roles within this pay grade across the U.S. Individual salaries within this range will vary based on factors such as role, relevant skillset, relevant experience, education and geographic location. In addition to the base salary, this role is 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. You can learn more about those programs on our 53.com Careers page at: https://www.53.com/content/fifth-third/en/careers/benefits.html or by consulting with your talent acquisition partner. 

Attention search firms and staffing agencies: do not submit unsolicited resumes for this posting.  Fifth Third does not accept resumes from any agency that does not have an active agreement with Fifth Third.  Any unsolicited resumes – no matter how they are submitted – will be considered the property of Fifth Third and Fifth Third will not be responsible for any associated fee.

Fifth Third Bank, National Association is proud to have an engaged and inclusive culture and to promote and ensure equal employment opportunity in all employment decisions regardless of race, color, gender, national origin, religion, age, disability, sexual orientation, gender identity, military status, veteran status or any other legally protected status.