Demo

Mainframe Developer

Fidelity TalentSource
Westlake, TX Full Time
POSTED ON 5/13/2026
AVAILABLE BEFORE 7/13/2026
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!

Mainframe Engineer

Seeking a Senior Software Engineer with superb technical skills to develop and maintain high volume, critical production platforms in the Money Movement Platforms within the Brokerage Record Keeping Technology.
You will engage with business and systems partners to deliver high quality and innovative software solutions. You are energized and hard-working to learn and grow to provide solid system stability to our applications. You will work closely with our operations partners and vendors and work on projects big and small to enhance the applications based on system requirements, product requirements, business requirements, or IRS/SEC requirements.
Join the teams working in a fast-paced environment, closely working with product, architecture, and other engineering teams. We offer dedicated time each month to develop new skills and investigate new technologies.

The Skills You Bring

  • 7-10 years of software development experience in business critical, enterprise-wide applications.
  • BS/BA or advanced degree, or equivalent experience preferred.
  • Excellent mainframe development skills in COBOL, CICS, DB2, VSAM, JCL, IBM Utilities, FileAID, Endevor, SQL, Debuggers, Schedulers, and IOMs
  • Ability to perform detailed analysis for maintenance and enhancement projects in the batch and online environments.
  • Design, deploy and support software releases into production environments.
  • Employ your data security skills to keep our customers’ information safe.
  • You are detailed oriented and execute thorough unit, functional and regression testing
  • Ability to perform hands on detailed analysis
  • Be proactive in your work in development and designing solutions
  • Identifies the root cause of problems and designs and implements technical design solutions to address them
  • Experienced in handling high severity/ critical production issues
  • Excellent documentation skills
  • Proven Experience writing COBOL/Native stored procedures is a plus (Nice to have/Willing to learn)
  • Experience in Distributed Technologies such as Java and service based architecture via RESTful APIs (Nice to have/Willing to learn)
  • Awareness or exposure to cloud platforms such as AWS or Azure, particularly in hybrid mainframe–cloud integration scenarios (Nice to have/Willing to learn)
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

At Fidelity, we are passionate about making our financial expertise broadly accessible and effective in helping people live the lives they want! We are a privately held company that places a high degree of value in creating and nurturing a work environment that attracts the best talent and reflects our commitment to our associates. We are proud of our diverse and inclusive workplace where we respect and value our associates for their unique perspectives and experiences. For information about working at Fidelity, visit FidelityCareers.com. Fidelity Investments is an equal opportunity employer. Fidelity will reasonably accommodate applicants with disabilities who need adjustments to complete the application or interview process.

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.

Salary.com Estimation for Mainframe Developer in Westlake, TX
$106,775 to $133,818
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