Senior Mainframe Application Support Engineer (COBOL/JCL/DB2)

Soteria Reinsurance Ltd.; Merrimack (NH); On-site; USD 90,000 - 120,000; Full time

Job summary

Fidelity Investments Inc. seeks a Senior Mainframe Application Support Engineer to support its Participant Recordkeeping platform, focusing on production support and batch processing in a large mainframe environment.

You will analyze JCL, DB2, and COBOL workloads, troubleshoot incidents, and collaborate with global teams to ensure 24x7 operational coverage. The role blends production support with development tasks in a hybrid/onsite setting.

Qualifications

• 4-6 years of experience supporting, developing, or maintaining enterprise mainframe applications.

Responsibilities

• Provide production and non-production support for Fidelity's Participant Recordkeeping platform.
• Monitor, analyze, and troubleshoot batch processing issues, application failures, and production incidents.
• Perform root cause analysis and partner with technology and business teams to drive issues to resolution.
• Support high-volume daily batch processing in a large-scale mainframe environment.
• Develop, test, implement, and maintain application enhancements using COBOL and related mainframe technologies.

Skills

COBOL

JCL

DB2

Job description

Senior Mainframe Application Support Engineer (COBOL/JCL/DB2)### Senior Mainframe Application Support Engineer (COBOL/JCL/DB2)Apply: Merrimack, NH: Full time: Posted Today: 2137551**Fidelity will not provide immigration sponsorship for this position.**## ## Job Description: **The Role** As a **Senior Mainframe Application Support Engineer**, you will support Fidelity's Participant Recordkeeping platform, a critical system supporting 401(k) and retirement recordkeeping operations. Working as part of the WI Mainframe Batch Support organization, you will help ensure the stability, availability, and reliability of business-critical applications that process high volumes of participant transactions and daily batch workloads. This role is a blend of production support and application engineering, with approximately **70% focused on production support, incident troubleshooting, and batch processing operations** and **30% focused on application enhancements and development**. You will leverage your technical expertise and analytical skills to investigate complex issues, resolve production incidents, improve system performance, and support ongoing enhancements to the platform. In this role, you will: * Provide production and non-production support for applications supporting Fidelity's Participant Recordkeeping platform.* Monitor, analyze, and troubleshoot batch processing issues, application failures, and production incidents.* Perform root cause analysis and partner with technology and business teams to drive issues through resolution.* Support high-volume daily batch processing in a large-scale mainframe environment.* Develop, test, implement, and maintain application enhancements using COBOL and related mainframe technologies.* Analyze JCL, DB2, application code, and batch workflows to identify and resolve processing issues.* Participate in system maintenance, application upgrades, and continuous improvement initiatives.* Collaborate with distributed global support teams to ensure 24x7 operational coverage. **The Skills and Experience You Bring** * **4-6 years of experience supporting, developing, or maintaining enterprise mainframe applications.*** Hands-on experience with: + COBOL + JCL + DB2* Experience supporting production environments and troubleshooting complex application issues.* Strong analytical and problem-solving skills with the ability to diagnose issues and identify root causes.* Experience supporting batch processing environments and high-volume transaction systems.* Ability to analyze application flows, job streams, and production failures within a mainframe environment.* Strong communication and collaboration skills with the ability to work effectively across technical and business teams.* Ability to manage multiple priorities in a fast-paced production support environment. **The Team** The WI Mainframe Batch Support team is responsible for supporting the applications and batch processing environments that power Fidelity's Participant Recordkeeping platform. The team provides operational support for critical retirement recordkeeping systems and partners closely with engineering, product, and business stakeholders to ensure accurate and reliable processing. This is a collaborative global organization that provides 24x7 support coverage. The U.S.-based team consists of five associates and is focused on maintaining platform stability, resolving production issues, supporting daily batch operations, and delivering enhancements that improve the reliability and performance of core recordkeeping applications.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 TechnologyPlease 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.