[Remote] Principal Platform Engineer
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. They are seeking a Principal Platform Engineer to evaluate, design, and implement technology solutions while serving as the application owner responsible for third-party software aligned with a line of business.
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
- Our Total Rewards include comprehensive benefits and differentiated compensation offerings to give each employee the opportunity to be their best every day.
- 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.
Company Overview