[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.ResponsibilitiesMonitor, analyze, and tune mainframe system performance (CPU, memory, I/O, workloads)Identify performance bottlenecks and implement corrective actionsAnalyze SMF/RMF data to provide actionable insights and recommendationsOptimize WLM policies and service class definitions to align with business prioritiesDevelop and maintain capacity models to predict future demand and growthPerform trend analysis and forecasting for CPU, DASD, and throughput requirementsCollaborate with engineering and business teams to align capacity plans with strategic initiativesSupport hardware upgrades, LPAR sizing, and infrastructure scaling decisionsPerform z/OS system programming tasks including installation, configuration, and maintenanceTune system parameters (PARMLIB, JES2, WLM, SRM) for performance optimizationSupport and enhance system automation and health monitoringMaintain system software including SMP/E maintenance, patching, and upgradesTroubleshoot system-level issues impacting performance and availabilityUtilize performance tools such as RMF, SMF, OMEGAMON, or equivalentGenerate reports and dashboards to communicate performance metrics to stakeholdersDevelop scripts or automation (REXX, Python, or similar) to improve efficiencyFollow 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 improvementAchieve operational excellence by automating processes and creating maintainable, supportable, and testable solutionsKeep up with technology trends and innovations in your field(s) of practiceProvide operational support and troubleshooting for your team’s products and servicesProvide coaching, mentoring, and training for new or less experienced team membersSkillsBachelor's degree in a relevant technology field or equivalent combination of education and work experience8+ years of engineering or other IT work experience relevant to the positionStrong expertise in z/OS internals, WLM, RMF, SMF, JES2/JES3Hands-on experience with capacity planning and performance analysisProficiency in system-level diagnostics and problem determinationExperience with SMP/E, PARMLIB configuration, and system upgradesStrong problem-solving and communication skillsWillingness to work in a highly-collaborative environmentSolid understanding and significant experience with modern software development practices, tools, and/or hardware technologiesSolid understanding of IT security best practicesExpertise in one or more technical and/or functional domains relevant to the positionExperience designing, implementing, and supporting complex technical solutionsTechnical skills per the specific position's requirementsBenefitsOur 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 OverviewFifth Third Bancorp is a financial services company that specializes in small business, retail banking, and investments. It is a sub-organization of Fifth Third Bank. It was founded in 1858, and is headquartered in Cincinnati, Ohio, USA, with a workforce of 10001+ employees. Its website is http://53.com.