Senior Mainframe Software Engineer – Java, COBOL, DB2/VSAM

skillventory - A Leading Talent Research Firm

Mainframe Developer developing and maintaining trading applications for Fidelity. Collaborating with teams to ensure production stability and deliver exceptional user experiences.

Posted 6/24/2026full-timeMerrimack • New Hampshire, Rhode Island • 🇺🇸 United StatesSeniorWebsite

Tech Stack

Tools & technologies

Java

About the role

Key responsibilities & impact

Develop and maintain high volume production platforms in the Electronic Channel Applications domain of Institutional Technology.
Engage collaboratively with systems and business partners to deliver high quality and innovative software solutions.
Join agile teams working in a fast-paced environment, closely partnering with product, architecture, and other engineering teams.

Requirements

What you’ll need

8+ years of software development experience in business critical, enterprise-wide applications
Mainframe development expertise in COBOL, JCL, CICS, DB2 & VSAM
Knowledge of MQ would be nice to have
Development expertise in Java
Ability to perform detailed analysis and documentation for maintenance and improvement projects in the batch and online environments
Deploy and support software releases into production environments
Employ your data security skills to keep our customers information safe
You are detailed and thorough with unit, functional and regression testing
Proven Experience writing COBOL/Native stored procedures is a plus
Experience in Distributed Technologies (Nice to have/Willing to learn)
Confidence to think and act strategically, share innovative insights, and offer creative solutions to deliver exceptional user experiences
Proven strong interpersonal and organizational skills coupled with effective written and verbal communication skills
Embrace flexibility and shift focus to meet the most pressing customer/client needs.
You bring a growth mentality to work every day as you continue to learn new technologies and skills and seek to share that knowledge with your squad members.

Benefits

Comp & perks

Dedicated time each month to develop new skills and investigate new technologies

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

COBOLJCLCICSDB2VSAMJavaMQunit testingfunctional testingregression testing

Soft Skills

interpersonal skillsorganizational skillswritten communicationverbal communicationstrategic thinkingcreativityflexibilitygrowth mentalitycollaborationattention to detail