Principal Mainframe Capacity & Performance Engineer
Job Description
Job Description:
Note: Fidelity will not provide immigration sponsorship for this position.
Join Fidelity's Enterprise Infrastructure Operations team as a Principal Mainframe Capacity & Performance Engineer. In this highly visible, technically advanced role, you will drive stability and innovation across our z/OS mainframe environment-leveraging cutting-edge tools and collaborating with world-class experts to solve and prevent complex performance challenges. You'll be at the forefront of capacity planning, performance tuning, and optimization for one of the industry's most sophisticated mainframe platforms, supporting mission-critical business applications and infrastructure.
The Expertise You Have and The Skills You Bring
Lead Capacity Planning & Performance Tuning: Monitor, analyze, forecast utilization and business volumes. Recommend resource provisioning for mainframe processors and peripherals.
Innovate with Modern Tools: Use and develop advanced dashboards (Grafana, Power BI), automate workflows (SAS, R, Python), and fully exploit real-time monitoring (IBM/Broadcom SYSVIEW).
Collaborate Across Fidelity: Partner with internal teams and vendors, supporting diverse business and technical units.
Deliver Value: Provide technical support, reporting, analysis, and recommendations to ensure optimal performance and capacity for hardware, OS, storage, and applications.
Drive Continuous Improvement: Analyze data, identify trends, and implement enhancements for daily operations and strategic projects.
Deep expertise in mainframe capacity and performance engineering within large-scale, complex enterprises.
Advanced knowledge of IBM zEnterprise hardware, RMF, SMF, SAS, MXG, Intellimagic, and related tools.
Experience with SYSPLEX design, WLM policy tuning, and PR/SM optimization of GP & zIIP configurations.
Strong programming skills (SAS/MXG, Python, R, Grafana, Power BI).
Ability to communicate complex technical concepts to senior leadership and cross-functional teams.
Self-motivated, collaborative, and committed to advancing technology and processes.
Note: Fidelity will not provide immigration sponsorship for this position.
Certifications:
Category:
Information TechnologyMost roles at Fidelity are Hybrid, requiring associates to work onsite every other week (all business days, M-F) in a Fidelity office. This does not apply to Remote or fully Onsite roles.
Please be advised that Fidelity's business is governed by the provisions of the Securities Exchange Act of 1934, the Investment Advisers Act of 1940, the Investment Company Act of 1940, ERISA, numerous state laws governing securities, investment and retirement-related financial activities and the rules and regulations of numerous self-regulatory organizations, including FINRA, among others. Those laws and regulations may restrict Fidelity from hiring and/or associating with individuals with certain Criminal Histories.
Job Description:
Note: Fidelity will not provide immigration sponsorship for this position.
Join Fidelity's Enterprise Infrastructure Operations team as a Principal Mainframe Capacity & Performance Engineer. In this highly visible, technically advanced role, you will drive stability and innovation across our z/OS mainframe environment-leveraging cutting-edge tools and collaborating with world-class experts to solve and prevent complex performance challenges. You'll be at the forefront of capacity planning, performance tuning, and optimization for one of the industry's most sophisticated mainframe platforms, supporting mission-critical business applications and infrastructure.
The Expertise You Have and The Skills You Bring
Lead Capacity Planning & Performance Tuning: Monitor, analyze, forecast utilization and business volumes. Recommend resource provisioning for mainframe processors and peripherals.
Innovate with Modern Tools: Use and develop advanced dashboards (Grafana, Power BI), automate workflows (SAS, R, Python), and fully exploit real-time monitoring (IBM/Broadcom SYSVIEW).
Collaborate Across Fidelity: Partner with internal teams and vendors, supporting diverse business and technical units.
Deliver Value: Provide technical support, reporting, analysis, and recommendations to ensure optimal performance and capacity for hardware, OS, storage, and applications.
Drive Continuous Improvement: Analyze data, identify trends, and implement enhancements for daily operations and strategic projects.
Deep expertise in mainframe capacity and performance engineering within large-scale, complex enterprises.
Advanced knowledge of IBM zEnterprise hardware, RMF, SMF, SAS, MXG, Intellimagic, and related tools.
Experience with SYSPLEX design, WLM policy tuning, and PR/SM optimization of GP & zIIP configurations.
Strong programming skills (SAS/MXG, Python, R, Grafana, Power BI).
Ability to communicate complex technical concepts to senior leadership and cross-functional teams.
Self-motivated, collaborative, and committed to advancing technology and processes.
Note: Fidelity will not provide immigration sponsorship for this position.
Certifications:
Category:
Information TechnologyMost roles at Fidelity are Hybrid, requiring associates to work onsite every other week (all business days, M-F) in a Fidelity office. This does not apply to Remote or fully Onsite roles.
Please be advised that Fidelity's business is governed by the provisions of the Securities Exchange Act of 1934, the Investment Advisers Act of 1940, the Investment Company Act of 1940, ERISA, numerous state laws governing securities, investment and retirement-related financial activities and the rules and regulations of numerous self-regulatory organizations, including FINRA, among others. Those laws and regulations may restrict Fidelity from hiring and/or associating with individuals with certain Criminal Histories.
About Fidelity Investments
At Fidelity, since our founding in 1946, we have been dedicated to strengthening and security our clients’ financial well-being through exceptional service and innovative solutions. We empower over ~50 million people to achieve their most important financial goals, manage employee benefit programs for nearly 24,000 businesses, and support more than 16,000 wealth management firms and institutions with cutting-edge investments and technology. Our diverse business portfolio and independence provide us with a comprehensive view of the market and the stability to deliver long-term value for our customers. As the financial industry evolves and customer needs grow more complex, Fidelity continues to reinvent, innovate, and transform to meet the challenges of tomorrow’s financial landscape.
*Specifically serviced by our Clearing & Custody team within Fidelity Institutional
Fidelity TalentSource, is the in-house temporary staffing provider for Fidelity Investments. Unlike traditional staffing agencies, we are an internal business unit within Fidelity’s Talent Acquisition team, dedicated to recruiting talent from various backgrounds for roles in Fidelity’s regional and investor center locations. Our mission is to help you experience Fidelity’s diverse and inclusive workplace while expanding your skill set and professional network, with the ultimate goal of conversion to full-time employment as part of Fidelity’s long-term strategy. To learn more about temporary positions at Fidelity Investments, visit FidelityTalentSource.com.
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