Mainframe Software Engineer III - QA Testing

MainframeMaster; Tampa (FL); On-site; USD 90,000 - 120,000; Full time

Job summary

MainframeMaster is hiring a Software Engineer III to be part of a dynamic agile team in Tampa, Florida. This role involves designing and delivering technology products, ensuring high-quality code, and analyzing large data sets for software improvements.

The ideal candidate has a strong background in mainframe testing, including skills in COBOL, JCL, CICS, and relevant testing tools. This position offers full-time employment with opportunities in a collaborative environment, focused on growth and innovation.

Qualifications

• 3+ years applied experience in Software Engineering concepts.
• 3+ years of hands-on mainframe testing experience.
• Demonstrated knowledge of software applications in mainframe technical discipline.

Responsibilities

• Execute software solutions including design, development, and troubleshooting.
• Create secure and high-quality production code.
• Analyze and develop visualizations from diverse data sets.

Skills

COBOL

DB2

JCL

CICS

MQ

REXX

JIRA

Python

Java

File Aid

Expeditor

Education

Formal training or certification on Software Engineering concepts

Tools

IBM Debug Tool

Xpediter

ISPF

Jenkins

Maven

JUnit

Job description

# Mainframe Software Engineer III - QA TestingJPMorgan ChaseFull-timeTampa, United States0 viewsPosted June 5, 2026## Job DescriptionJOB DESCRIPTIONWe have an exciting and rewarding opportunity for you to take your software engineering career to the next level.As a Software Engineer III at JPMorganChase within the Commercial & Investment Bank, you serve as a seasoned member of an agile team to design and deliver trusted market-leading technology products in a secure, stable, and scalable way. You are responsible for carrying out critical technology solutions across multiple technical areas within various business functions in support of the firm’s business objectives.Job responsibilitiesExecutes software solutions, design, development, and technical troubleshooting with ability to think beyond routine or conventional approaches to build solutions or break down technical problemsCreates secure and high-quality production code and maintains algorithms that run synchronously with appropriate systemsProduces architecture and design artifacts for complex applications while being accountable for ensuring design constraints are met by software code developmentGathers, analyzes, synthesizes, and develops visualizations and reporting from large, diverse data sets in service of continuous improvement of software applications and systemsProactively identifies hidden problems and patterns in data and uses these insights to drive improvements to coding hygiene and system architectureContributes to software engineering communities of practice and events that explore new and emerging technologiesAdds to team culture of diversity, opportunity, inclusion, and respectRequired qualifications, capabilities, and skillsFormal training or certification on Software Engineering concepts and 3+ years applied experience3+ years of hands-on mainframe testing experience, including test planning, test case design, execution, and defect managementDemonstrated knowledge of software applications and technical processes within the mainframe technical discipline ( **COBOL**, **DB2**, **JCL** ,**VSAM**, **CICS**, **MQ**)Experience with **File Aid**, **Expeditor**, Stored Procedures, Endevor, CA-7, **NDM**, MFTS, s-FTP, XML, CLIST, **REXX**Hands-on practical experience in system design, application development, testing, and operational stabilityProficiency in mainframe testing tools such as IBM Debug Tool, Xpediter, File-AID, and ISPF for test data setup and validationExperience with batch job testing, **JCL** validation, and online transaction testing in a mainframe environmentSolid understanding of regression testing, integration testing, and end-to-end testing methodologies for complex mainframe systemsExperience in test data management, data masking, and test environment configuration on mainframe platformsFamiliarity with defect tracking and test management tools such as **JIRA**, ALM, or equivalentPreferred qualifications, capabilities, and skillsExperience with test automation frameworks and tools for mainframe applicationsProficiency in programming languages such **Java**/**Python** for scriptingTesting Frameworks: JUnit, Powermock / Mockito, Cucumber, Mutation Testing, SeleniumFamiliarity with DevOps tools like Jules, **Jenkins**, **Maven**## How to ApplyApply directly through the application link above### Technologies* COBOL* JCL* CICS* Vsam* DB2* Mq* Rexx* Expeditor* File Aid* Jenkins* Python* Oracle* Maven* Cloud* Java* Jira* Git* Ndm* Aws