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Mainframe Testing Jobs in Florida (NOW HIRING)

Donato Technologies, Inc

Mainframe Tester

Tampa, FL · On-site

$50 - $52/hr

TBD Experience - 10+ RTTO - 5 Days Onsite Required Skills & Experience * 10+ years of experience in manual testing with a focus on mainframe environments . * Strong understanding of ISO messaging ...

Prophecy Technologies

Mainframe Developer

Tampa, FL · On-site

$46.25 - $59.50/hr

Role Name Mainframe Developer REQUIREMENT_CITY Tampa, FL or Jersey City, NJ EXPERIENCE: 8-12 Years ... Testing & Debugging: * Perform unit testing, debugging, and troubleshooting to ensure application ...

MDAEdge

Principal Mainframe Architect

Tampa, FL · On-site

... testing, and deployment. • Strong analytical skills to diagnose and resolve complex technical issues in a mainframe environment. • Excellent communication skills to collaborate effectively with ...

Hirekeyz Inc

Senior Mainframe Developer

Tampa, FL · On-site

Participate in code reviews , testing (unit, integration, UAT), and deployment activities * Ensure ... Mainframe utilities (SORT, IDCAMS, IEBGENER) * Debugging tools like Expeditor, Abend-AID

DTCC

Lead Mainframe Developer

Tampa, FL · Hybrid

$44.50 - $57.25/hr

... the mainframe core of Fund/SERV-the industry's centralized platform for processing and settling ... Support development teams, testing, troubleshooting, and production support * Build applications ...

Seven Seven Software

Mainframe Developer

Tampa, FL · On-site

$46.25 - $59.50/hr

You will be responsible for the analysis, design, testing, integration, implementation and ... improvement * 10+ years' Mainframe Application / COBOL development experience * 7+ years ...

Citigroup, Inc.

Senior Mainframe Developer

Jacksonville, FL · On-site

$113.84K - $170.76K/yr

The Senior Mainframe Developer is a senior level position responsible for establishing and ... Utilize advanced knowledge of system flow and develop standards for coding, testing, debugging, and ...

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How much do mainframe testing jobs pay per hour?

As of May 29, 2026, the average hourly pay for mainframe testing in Florida is $39.89, according to ZipRecruiter salary data. Most workers in this role earn between $35.19 and $45.29 per hour, depending on experience, location, and employer.

What is a Mainframe Testing job?

A Mainframe Testing job involves validating and verifying applications running on mainframe systems to ensure they function correctly, efficiently, and securely. Testers perform various types of testing, including functional, integration, regression, and performance testing, using tools like JCL, COBOL, DB2, and CICS. They analyze test results, identify defects, and collaborate with developers to resolve issues. Mainframe testers need knowledge of batch processing, databases, and system interactions to ensure seamless operations. The role is critical in industries like banking, insurance, and healthcare, where mainframes handle high-volume transactions.

What are the key skills and qualifications needed to thrive in the Mainframe Testing position, and why are they important?

To thrive in Mainframe Testing, you need strong analytical abilities, a solid understanding of mainframe environments and programming languages like COBOL, JCL, and experience with testing methodologies. Familiarity with tools such as IBM Mainframe, CA7/Endevor, and mainframe testing frameworks, as well as ISTQB certification, is highly valuable. Attention to detail, strong problem-solving skills, and effective communication are essential soft skills in this role. These competencies help ensure that complex mainframe systems are thoroughly tested, reliable, and meet business requirements.

What are some common challenges faced by professionals working in Mainframe Testing?

Professionals in Mainframe Testing often encounter challenges such as understanding legacy code, dealing with limited documentation, and adapting to the evolving integration of mainframe and modern systems. Testers must also effectively validate large volumes of data, ensure compatibility across interconnected applications, and manage tight release deadlines. Collaborating closely with developers, business analysts, and operations teams is essential for clarifying requirements and troubleshooting issues. Successfully overcoming these challenges requires persistence, a willingness to learn, and strong teamwork skills.

What is a mainframe tester?

A mainframe tester is a professional who tests mainframe computer systems and applications to ensure they function correctly, securely, and efficiently. They typically use testing tools and scripting languages, and may work with legacy systems, requiring knowledge of mainframe environments like COBOL, JCL, and DB2.
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Infographic showing various Mainframe Testing job openings in Florida as of May 2026, with employment types broken down into 70% Full Time, 3% Part Time, and 27% Contract. Highlights an 97% In-person, and 3% Hybrid job distribution, with an average salary of $82,969 per year, or $39.9 per hour.
Mainframe Software Engineer III - QA Testing

Mainframe Software Engineer III - QA Testing

JP Morgan Chase

Tampa, FL

Full-time

Medical, Retirement

Posted yesterday

JPMorgan Chase & Co. rating

8.1

Company rating: 8.1 out of 10

Based on 466 frontline employees who took The Breakroom Quiz

45th of 141 rated banks

Job description

We 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 responsibilities

  • Executes software solutions, design, development, and technical troubleshooting with ability to think beyond routine or conventional approaches to build solutions or break down technical problems
  • Creates secure and high-quality production code and maintains algorithms that run synchronously with appropriate systems
  • Produces architecture and design artifacts for complex applications while being accountable for ensuring design constraints are met by software code development
  • Gathers, analyzes, synthesizes, and develops visualizations and reporting from large, diverse data sets in service of continuous improvement of software applications and systems
  • Proactively identifies hidden problems and patterns in data and uses these insights to drive improvements to coding hygiene and system architecture
  • Contributes to software engineering communities of practice and events that explore new and emerging technologies
  • Adds to team culture of diversity, opportunity, inclusion, and respect

Required qualifications, capabilities, and skills

  • Formal training or certification on Software Engineering concepts and 3+ years applied experience
  • 3+ years of hands-on mainframe testing experience, including test planning, test case design, execution, and defect management
  • Demonstrated 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 stability

  • Proficiency in mainframe testing tools such as IBM Debug Tool, Xpediter, File-AID, and ISPF for test data setup and validation
  • Experience with batch job testing, JCL validation, and online transaction testing in a mainframe environment
  • Solid understanding of regression testing, integration testing, and end-to-end testing methodologies for complex mainframe systems
  • Experience in test data management, data masking, and test environment configuration on mainframe platforms
  • Familiarity with defect tracking and test management tools such as JIRA, ALM, or equivalent

Preferred qualifications, capabilities, and skills

  • Experience with test automation frameworks and tools for mainframe applications
  • Proficiency in programming languages such Java/Python for scripting
  • Testing Frameworks: JUnit, Powermock / Mockito, Cucumber, Mutation Testing, Selenium
  • Familiarity with DevOps tools like Jules, Jenkins, Maven
JPMorganChase, one of the oldest financial institutions, offers innovative financial solutions to millions of consumers, small businesses and many of the world's most prominent corporate, institutional and government clients under the J.P. Morgan and Chase brands. Our history spans over 200 years and today we are a leader in investment banking, consumer and small business banking, commercial banking, financial transaction processing and asset management.

We offer a competitive total rewards package including base salary determined based on the role, experience, skill set and location. Those in eligible roles may receive commission-based pay and/or discretionary incentive compensation, paid in the form of cash and/or forfeitable equity, awarded in recognition of individual achievements and contributions. We also offer a range of benefits and programs to meet employee needs, based on eligibility. These benefits include comprehensive health care coverage, on-site health and wellness centers, a retirement savings plan, backup childcare, tuition reimbursement, mental health support, financial coaching and more. Additional details about total compensation and benefits will be provided during the hiring process. 

We recognize that our people are our strength and the diverse talents they bring to our global workforce are directly linked to our success. We are an equal opportunity employer and place a high value on diversity and inclusion at our company. We do not discriminate on the basis of any protected attribute, including race, religion, color, national origin, gender, sexual orientation, gender identity, gender expression, age, marital or veteran status, pregnancy or disability, or any other basis protected under applicable law. We also make reasonable accommodations for applicants' and employees' religious practices and beliefs, as well as mental health or physical disability needs. Visit our FAQs for more information about requesting an accommodation.

JPMorgan Chase & Co. is an Equal Opportunity Employer, including Disability/Veterans

J.P. Morgan's Commercial & Investment Bank is a global leader across banking, markets, securities services and payments. Corporations, governments and institutions throughout the world entrust us with their business in more than 100 countries. The Commercial & Investment Bank provides strategic advice, raises capital, manages risk and extends liquidity in markets around the world. 

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