Director, Mainframe DB2 Performance and Capacity

The Role

As a Director within Fidelity’s Mainframe Capacity and Performance Engineering organization, you will be leading performance and capacity analysis for IBM Db2 on z/OS environments that support critical enterprise applications. This role focuses on analyzing workload behavior, forecasting future capacity needs, identifying performance improvement opportunities, and guiding major technology initiatives impacting database performance and resiliency. You will be partnering across application development, infrastructure, architecture, and operations teams while providing data-driven recommendations that improve customer experience, system stability, and technology efficiency. By translating complex technical findings into clear business decisions, you will help ensure Fidelity’s most important platforms remain scalable, resilient, and cost-effective.

The Expertise and

Skills

• You Bring

• 10+ years of experience in Db2 for z/OS performance engineering, capacity planning, database infrastructure, systems programming, or production support within large-scale enterprise environments

• Deep expertise in Db2 for z/OS architecture, Distributed Data Facility (DDF), SQL performance analysis, access path optimization, package management, thread processing, and subsystem tuning

• Strong understanding of IBM z/OS, Parallel Sysplex, workload management, processor utilization, memory management, and system performance concepts

• Experience analyzing performance and capacity data using tools such as IntelliMagic, SYSVIEW, OMEGAMON, SAS/MXG, Grafana, Power BI, Python, SQL, or similar platforms

• Proven ability to developing capacity forecasts and performance models using workload growth trends, stress-testing results, business volumes, and modernization roadmaps

• Experience leading production incident investigations, root-cause analysis, change assessments, and resiliency reviews in mission-critical environments

• Ability to translating complex technical analysis into concise recommendations, risk assessments, and decision options for senior technology and business leaders

• Experience partnering across database, application, infrastructure, storage, network, cloud, and architecture teams to address end-to-end performance challenges

• Demonstrated experience mentoring engineers, influencing technology strategy, and guiding cross-functional initiatives

• Bachelor’s degree in Computer Science, Engineering, Information Technology, Mathematics, or a related field preferred; equivalent experience will be considered

The Team

The Mainframe Capacity and Performance Engineering team is responsible for ensuring the scalability, reliability, and efficiency of Fidelity’s IBM mainframe ecosystem, which supports critical customer and business workloads across the firm. We provide performance analysis, capacity forecasting, system tuning, resiliency assessments, and advanced problem determination that help our technology organizations make informed decisions. Our team partners closely with application development, database engineering, infrastructure, storage, network, architecture, operations, and strategic vendor teams to support the health of some of Fidelity’s most business-critical platforms. We have a relentless commitment to our clients and leverage data-driven insights to improve performance, reduce operational risk, and support innovation across the enterprise.

Fidelity’s Onsite Working Model

Fidelity is transitioning to a full-time onsite working model through a phased rollout across regions and roles. Currently, some roles and locations require 100% onsite presence, while others require less. Onsite expectations are likely to evolve as the rollout continues. This transition does not apply to fully remote roles.

Certifications:

Category:

Information Technology

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.

Apply

All fields are required. Candidates should limit the number of roles they apply to at any given time.

First name:

Last name:

Email:

Career areas of interest:

Select Administrative Asset Management business Analysis & Project Management Corporate Services Crypto/Digital Assets/Blockchain Customer Service Finance & Accounting Investment Marketing & Communications Operations Product Development & Management Risk Management Sales & Relationship Management Technology

Country:

Select United States Afghanistan Albania Algeria American Samoa Andorra Angola Aol Antarctica Antigua and Barbuda Argentina Armenia Aruba Australia Austria Azerbaijan Bahamas Bahrain Bangladesh Barbados Belarus Belgium Belize Benin Bermuda Bhutan Bolivia, Plurinational State of Bonaire, Sint Eustatius and Saba Bosnia and Herzegovina Botswana Bouvet Island Brazil British Indian Ocean Territory Brunei Darussalam Bulgaria Burkina Faso Burundi Cabo Verde Cambodia Cameroon Canada Cayman Islands Central African Republic Chad Chile China Christmas Island Cocos (Keeling) Islands Colombia Comoros Congo Congo, The Democratic Republic of the Cook Islands Costa Rica Croatia Cuba Curaçao Cyprus Czechia Côte d'Ivoire Denmark Djibouti Dominica Dominican Republic Ecuador Egypt El Salvador Equatorial Guinea Eritrea Estonia Eswatini Ethiopia Falkland Islands (Malvinas) Faroe Islands Fiji Finland France French Guiana French Polynesia French Southern Territories Gabon Gambia Georgia Germany Ghana Gibraltar Greece Greenland Grenada Guadeloupe Guam Guatemala Guernsey Guinea Guinea-Bissau Guyana Haiti Holy See (Vatican City State) Honduras Hong Kong Hungary Iceland India Indonesia Iran, Islamic Republic of Iraq Ireland Isle of Man Israel Italy Jamaica Japan Jersey Jordan Kazakhstan Kenya Kiribati Korea, Democratic People's Republic of Korea, Republic of Kuwait Kyrgyzstan Lao People's Democratic Republic Latvia Lebanon Lesotho Liberia Libya Liechtenstein Lithuania Luxembourg Macao Madalgascar Malawi Malaysia Maldives Mali Malta Marshall Islands Martinique Mauritania Mauritius Mayotte Mexico Micronesia, Federated States of Moldova, Republic of Monaco Mongolia Montenegro Montserrat Morocco Mozambique Myanmar Namibia Nauru Nepal Netherlands New Caledonia New Zealand Nicaragua Niger Nigeria Niue Norfolk Island North Macedonia Northern Mariana Islands Norway Oman Pakistan Palau Palestine, State of Panama Papua New Guinea Paraguay Peru Philippines Pitcairn Poland Portugal Puerto Rico Qatar Romania Russian Federation Rwanda Réunion Saint Barthélemy Saint Helena, Ascension and Tristan da Cunha Saint Kitts and Nevis Saint Lucia Saint Martin (French part) Saint Pierre and Miquelon Saint Vincent and the Grenadines Samoa San Marino Sao Tome and Principe Saudi Arabia Senegal Serbia Seychelles Sierra Leone Singapore Sint Maarten (Dutch part) Slovakia Slovenia Solomon Islands Somalia South Africa South Georgia and the South Sandwich Islands South Sudan Spain Sri Lanka Sudan Suriname Svalbard and Jan Mayen Sweden Switzerland Syrian Arab Republic Taiwan, Province of China Tajikistan Tanzania, United Republic of Thailand Timor-Leste Togo Tokelau Tonga Trinidad and Tobago Tunisia Turkey Turkmenistan Turks and Caicos Islands Tuvalu Uganda Ukraine United Arab Emirates United Kingdom United States Minor Outlying Islands Uruguay Uzbekistan Vanuatu Venezuela, Bolivarian Republic of Viet Nam Virgin Islands, British Virgin Islands, U.S. Wallis and Futuna Western Sahara Yemen Zambia Zimbabwe Åland Islands

Postal code:

By clicking "I accept", you are indicating your acceptance of our collection, saving, use, transfer and disclosure of your personal information as described in The Applicant Privacy and Protection Notice Fidelity Privacy Policy. This notice is applicable to all personal information collected by Fidelity, through either this site operated on behalf of Fidelity by Beamery and/or other “Careers Sites”, including those Fidelity Websites and Web pages dedicated to employee recruitment across Fidelity business entities and geographical locations.

I Accept

Start Application

Benefits that balance life and work

From our fully paid parent leave to our on-si