FMR

Principal Mainframe Software Engineer (COBOL, DB2, VSAM)

United States · Work style not stated · Full time

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About the role

Description from the employer’s posting. Check the employer’s page for the current version.

EmployerFMR
LocationUnited States
Work styleWork style not stated
Employment typeFull time
Employer posted5 Oct 2026

Fidelity will not provide immigration sponsorship for this position.

Job Description:

Principal Mainframe Software Engineer

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 and Skills You Bring

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 plus) years of experience in the job offered or five or more (10 plus) 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.

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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

Your Demonstrated Expertise ('DE') in defining, developing, and leading an interactive team to implement scalable application solutions
Your DE in mainframe application development, automation, and support, utilizing COBOL, CICS, DB2, JCL, VSAM, MQ-Series, and SQL
Your DE in mainframe performance tuning and capacity planning, including ways to reduce I/Os, CPU Time, MSUs, and MIPs, using Strobe, iStrobe, and Platinum Detector
Your DE 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 on-going development efforts

The Team

This group develops applications and provides support on a mainframe environment, using COBOL, DB2, CICS, JCL, MQ-Series, SQL, and VSAM files. Analyzes and recommends changes in project development policies, procedures, standards, and strategies to development experts and management.

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.

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