Mainframe Developer

Fidelity TalentSource

USonsitePosted Jun 25, 2026
Posting intelligenceActively listedReposted 4×, possible evergreen/ghost posting

Skills

pythonjavaios

About the role

Fidelity TalentSource is your destination for discovering your next temporary role at Fidelity Investments. We are currently sourcing for a Mainframe Developer to work in Westlake, TX!

The Role

Fidelity Investments Workplace Investing (WI) organization is seeking an experienced mainframe Software Engineer to join our Development team within Stock Plan Services (SPS) Technology tasked with making quality improvements to our equity compensation application. The selected candidate will provide technical leadership on a globally distributed team using a Mainframe technology stack. This role demands significant collaboration with members of various business and IT groups throughout the lifecycle of a typical problem or request.

The Expertise We’re Looking For

Bachelor’s degree (or foreign education equivalent) in Computer Science, Engineering, Information Technology, Information Systems, Mathematics, Physics, or a closely related field and five or more (10+) years of experience in the job offered or five or more (10+) years of experience as a technical lead in mainframe brokerage or stock plan services systems and application development.

Or, alternatively, Master’s degree (or foreign education equivalent) in Computer Science, Engineering, Information Technology, Information Systems, Mathematics, Physics, or a closely related field and three (6) years of experience in the job offered or three (6) years of experience as a technical lead in mainframe brokerage and stock plan services systems and application development.

While not required, knowledge of ETL, Informatica, Java, Python, or other distributed languages is a plus

The Purpose of Your Role

Use business and technical knowledge to translate the vision for divisional initiatives into business solutions by developing complex stock plan services software applications on a mainframe platform running under a Z/OS environment.

The Skills You Bring

Demonstrated expertise in defining, developing, and owning an interactive team to implement scalable application solutions

Proven expertise in mainframe application development, automation, and support, utilizing COBOL, CICS, DB2, JCL, VSAM, MQ-Series, and SQL

Demonstrated expertise in mainframe performance tuning and capacity planning, including ways to reduce I/Os, CPU Time, MSUs, and MIPs, using Strobe, iStrobe, and Platinum Detector

Demonstrated expertise in mainframe application development including: file format and comparison using File-AID; version management using Endeavor; debugging and unit testing using Intertest and Abend-AID; and job scheduling using Control-M

The Value You Deliver

Performing as a full stack engineer within an Agile team, including requirements gathering, development, and end-to-end testing

Defining, developing, and leading interactive team to implement application level architecture, giving due consideration to application scalability and extensibility, and conformance to established standards

Providing on-site and on-call support as needed and acting as a subject matter expert as part of a cross-functional crisis management team

Developing applications on complex projects, components, and subsystems for the division

Recommending development testing tools and methodologies and reviewing and validating test plans

Resolving technical roadblocks involving multiple technologies and making recommendations and improvements to avoid them in the future

Collaborating with multiple layers of management to share approaches, develop solutions, and improve capabilities throughout the organization

Leading collaborative sessions and ceremonies with stakeholders and providing guidance and feedback to team members

Being responsible for QA readiness of software deliverables

Planning and conducting system testing

Developing comprehensive documentation for multiple applications or subsystems

Establishing full project life cycle plans for complex projects across multiple platforms

Being responsible for meeting project goals on-time and on-budget

Advising on risk assessment and risk management strategies for projects

Planning and coordinating project schedules and assignments for multiple projects

Acting as a primary liaison for business units to resolve various project/technology issues

Providing technology solutions to daily issues and technical evaluation estimates on technology initiatives

Performing independent and complex technical and functional analysis for multiple projects supporting several initiatives

Developing original and creative technical solutions to ongoing development efforts

The Team

Stock Plan Services administers equity compensation programs on behalf of public and private companies offering various compensations programs such as: Employee Stock Purchase Plans, Restricted Stock Awards/Units, Stock Option Plans, Stock Appreciation Rights and Performance based Awards. Currently SPS services over 1.6M participants employed by over 300 clients and spread out in 150 countries. The business is looking to further in the international equity compensation market, focused initially on western European countries and companies based there. As part of this business initiative, we are extending our capabilities to enable a truly global platform.

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.

Company Overview

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.

For information about working at Fidelity TalentSource, visit FTSJobs.com.

Fidelity TalentSource will reasonably accommodate applicants with disabilities who need adjustments in order to complete the application or interview process. Please email us at HR@ftsjobs.com if you would like to request an accommodation.

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