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Mainframe/Data Platform Production Support Engineer (COBOL)

Fidelity Open
Westlake Full-time Mid-level Data Engineering

At a glance

Mid-level Data Engineering role at Fidelity. Westlake · full-time · no salary stated · we estimate $112,500–$160,000 across the United States.

Estimated pay

Fidelity has not published a salary for this role. The figure below is our estimate, not theirs.

$112,500 – $160,000
What the middle half of mid-level data engineering roles in the United States paid, among postings that did state a salary.
Worked out from 439 postings that stated pay, median $135,000. Last updated Nov 6, 2026.
RoleData Engineering
SeniorityMid-level
LocationWestlake
EmploymentFull-time
PostedOct 2, 2026
Role brief

dataroles summary, based on the employer's posting.

What you'll do

  • Take Level 3 escalations for complex production problems across mainframe and distributed systems
  • Diagnose incidents involving COBOL, JCL, DB2, Oracle and SQL, then drive them through resolution
  • Trace root causes with development, infrastructure and database teams while protecting data accuracy
  • Keep critical data platforms and applications reliable and stable for Workplace Investing

What you bring

  • At least five years supporting enterprise applications, data platforms or production operations
  • Hands-on mainframe support experience with COBOL, JCL, DB2, CICS and VSAM
  • Strong Oracle and SQL skills, including query writing, data checks and stored procedure troubleshooting
  • A computer science degree or related qualification, or equivalent practical experience

Who this fits

This role suits a mid-level production support engineer comfortable owning complex Level 3 issues across mainframe, databases, APIs and batch systems. You will work closely with development, infrastructure and database teams. Fidelity will not sponsor immigration for this position. Onsite expectations vary by role and location and may change as the rollout progresses.

From the employer

Fidelity will not provide immigration sponsorship for this position.

Job Description:

The Role


As a Mainframe/Data Platform Production Support Engineer, you will provide Level 3 support for critical enterprise data platforms and applications that power Workplace Investing. You will troubleshoot and resolve complex production issues across Mainframe and distributed environments, with a strong focus on COBOL, JCL, DB2, Oracle, and SQL-based platforms. Working closely with development, infrastructure, and database teams, you will perform root cause analysis, support data integrity, and help ensure the reliability and stability of business-critical systems that are used across the organization.


The Expertise and Skills You Bring


  • Bachelor's degree in Computer Science or a related field, or equivalent experience.
  • 5+ years of experience supporting enterprise applications, data platforms, or production environments.
  • Experience supporting Mainframe environments, including COBOL, JCL, DB2, CICS, and VSAM.
  • Strong experience with Oracle and SQL, including data analysis, query development, troubleshooting, stored procedures, and data validation.
  • Experience supporting enterprise batch processing and scheduling tools, preferably Control-M.
  • Experience supporting data platforms, database-driven applications, and backend services utilizing SQL and REST APIs.
  • Familiarity with DevOps practices, CI/CD pipelines, and tools such as Git, Bitbucket, and Jenkins.

The Team


The Employer Journey Data Platform team supports the critical data services that power Workplace Investing. As the Level 3 Development Support team, they serve as the primary escalation point for complex production issues across Mainframe, database, API, and batch processing environments. The team supports more than 170 applications, manages the core data platforms that house critical customer information, and helps ensure accurate, reliable data for business areas. This is a highly visible team that partners closely with development and business partners to solve complex issues, support data integrity, and maintain the foundational platforms relied upon across the organization.

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.

Opportunity

Data Engineering work from LinkedIn, X, Reddit and Upwork, in one list.

Each morning you get everything that fits, strongest first.

Data Engineering

Find me work

By the team behind dataroles.

Find me work
Opportunity

Data Engineering work from LinkedIn, X, Reddit and Upwork, in one list.

Each morning you get everything that fits, strongest first.

Find me work

By the team behind dataroles.