Senior Software Engineer - Mainframe, MQ, CICS

Job Description:

Senior Software Engineer - Mainframe, MQ, CICS

Note: Fidelity will not provide immigration sponsorship for this position

The Team

The Mainframe Application Infrastructure (MAI) team is part of the Enterprise Technology group. The MAI team provides common solutions for mainframe brokerage applications as well as general mainframe engineering and consultation services. The team is responsible for the common infrastructure solutions to support applications that leverage CICS, DB2 and MQ technologies in a two site, active-active environment.

The team's primary focus areas are:

• Production Stability

• Application Scalability

• Engineering Excellence

• Mainframe-to-Cloud Migration Enablement

The team is responsible for application infrastructure software development/maintenance in addition to online (MQ, CICS and DB2) environment configuration and management.

The software development responsibilities include development and support of proprietary solutions for communication interfaces, dynamic transaction routing, MQ messaging, multisite operations, file replication and user authorization. Environment management responsibilities include CICS/MQ topology, remote DB2 connection management and configuration for reuse of common cloud enablement solutions.

The Role

You will be part of a squad responsible for MQ and multi-site infrastructure software development and maintenance. This software is used across the brokerage platform to allow switching the mainframe sites they are connected to. This is mission critical software which processes millions of transactions every day. Additional responsibilities include participation in an on-call rotation for all software owned by the team. You will also work with the team leads and stakeholders from other organizations to help prioritize the backlog and plan out major initiatives.

The Expertise You Have

• BS/BA Degree or equivalent experience preferred

• 2 plus years of mainframe application development experience which utilize CICS, DB2, MQ

• Exposure to designing, building, deploying, and supporting mainframe applications.

• Familiarity with the following: CICS, COBOL, VSAM, MQ, SQL.

• Knowledge in Assembler, REXX, JCL, JAVA, Control-M a plus but not required.

The Skills You Bring

• You have experience and feel confident working in an agile environment (Scrum and Kanban).

• Excellent analytical and problem-solving skills.

• You bring your curiosity and excitement; desire to collaborate with team members.

• Enjoy learning the business behind the applications outside of our own team.

• Clear written and verbal communication skills.

The Value You Deliver

• Collaborating across a wide range of teams within and outside our own organization.

• Being an excellent teammate developing/deploying software in a fast-paced and highly flexible environment.

• Continued focus on improving production stability.

• Forever learning and growing your skillsets to be an active contributor to a well-rounded team.

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.

Client-provided location(s): Westlake, TX

Job ID: Fidelity-2132680

Employment Type: OTHER

Posted: 2026-09-01T23:47:55