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Mainframe Tester Jobs in Dallas, TX (NOW HIRING)

Key responsibilities will include coding, testing, debugging, and maintaining mainframe applications, resolving data defects as well as collaborating with other product teams to ensure system ...

Mainframe Developer

Plano, TX · On-site

$58 - $61/hr

Supporting analysis, design, development, testing and documentation with minimal oversight. 3-5 ... Mainframe technology - IBM z/OS systems * Proficient in COBOL, TSO, JCL, Easytrieve * Experience ...

New

Implement cutover plans, rollback strategies, and failover testing to minimize downtime. 2. Mainframe Infrastructure Setup & Configuration * Configure and optimize IBM zSeries (z/OS, z/VM, z/Linux ...

Mainframe Developer

Dallas, TX · On-site

$100K - $110K/yr

Participate in code reviews, testing, and documentation of mainframe applications * Support data management tasks including DB2, VSAM, and IMS database operations Requirements: * Proven experience in ...

Mainframe Developer

Plano, TX · On-site

$45.75 - $58.75/hr

Writing, testing, and debugging COBOL programs using established coding standards and best ... Writing and maintaining CICS transaction programs to provide online access to mainframe ...

Mainframe Developer

Plano, TX · On-site

$45.75 - $58.75/hr

Writing, testing, and debugging COBOL programs using established coding standards and best ... Writing and maintaining CICS transaction programs to provide online access to mainframe ...

Mainframe Engineer

Plano, TX · On-site

$47.25 - $60.75/hr

They are seeking a Mainframe Engineer to execute software solutions and develop high-quality ... testing, and operational stability. • Proficient in coding in one or more languages (e.g ...

Mainframe Engineer

Westlake, TX · On-site

$55 - $60/hr

Execute thorough unit, functional, and regression testing. * Identify root causes of problems and ... Excellent mainframe development skills in COBOL, CICS, DB2, VSAM, JCL, IBM utilities, FileAID ...

Mainframe Software Engineer

Plano, TX · On-site

$91K - $146K/yr

Mainframe Software Engineer Broadcom's Mainframe Software Division is looking for a talented and ... Performing validation and verification testing. * Excellent written and verbal communication skills ...

Mainframe QA

Westlake, TX · On-site

$40/hr

We have Mainframe QA opportunity in Infosys at Westlake, TX location. 5+ years' experience in Software IT Good knowledge and hands on in MF testing - JCL, DB2, ISPF, TSO Agile scrum methodology STLC ...

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Mainframe Tester information

See Dallas, TX salary details

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How much do mainframe tester jobs pay per hour?

As of Aug 15, 2026, the average hourly pay for mainframe tester in Dallas, TX is $40.90, according to ZipRecruiter salary data. Most workers in this role earn between $31.39 and $49.28 per hour, depending on experience, location, and employer.

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

A Mainframe Tester needs strong analytical abilities, proficiency in mainframe environments (such as IBM z/OS), and knowledge of programming languages like COBOL, JCL, and SQL, often supported by a degree in computer science or a related field. Experience with test automation tools (e.g., IBM Rational, CA tools), debugging utilities, and relevant certifications like ISTQB can be highly beneficial. Excellent problem-solving skills, attention to detail, teamwork, and effective communication help testers excel in cross-functional teams. These skills and qualities are crucial for ensuring reliability, compliance, and performance of mission-critical mainframe systems in large organizations.

What are the typical responsibilities and daily tasks of a mainframe tester?

Mainframe Testers are primarily responsible for designing, developing, and executing test cases on mainframe applications to ensure their accuracy and performance. On a daily basis, you might review requirements, create test data, identify defects, and work closely with developers to resolve coding issues. The role often involves collaborating with business analysts and system architects to understand the application's functionality and ensure compliance with business and technical standards. Mainframe Testers frequently use specialized testing tools and may participate in both manual and automated testing cycles. This collaborative and detail-oriented environment helps ensure high-quality and reliable mainframe systems for the organization.

Are mainframe tester jobs in demand?

Mainframe tester jobs remain in demand due to the continued use of legacy mainframe systems in industries like finance and government. These roles require skills in testing mainframe applications, often involving tools like JCL, COBOL, and testing frameworks, and tend to offer stable employment opportunities.

What is a mainframe tester?

A Mainframe Tester is responsible for testing applications running on mainframe systems to ensure their functionality, reliability, and security. They create and execute test cases, validate data processing, and identify defects in mainframe applications. They work with technologies like COBOL, JCL, DB2, and CICS to test batch and online processes. Their role is critical in industries like banking, insurance, and healthcare, where mainframes handle large-scale transaction processing. The tester collaborates with developers and business analysts to ensure the applications meet business requirements.

How to be a mainframe tester?

To become a mainframe tester, you should have a strong understanding of mainframe environments, including COBOL, JCL, and DB2, along with experience in software testing and quality assurance. Familiarity with testing tools like IBM Rational or CA Test Data Manager and obtaining relevant certifications can enhance your prospects. Developing skills in scripting, debugging, and understanding legacy systems is also beneficial.

What job categories do people searching Mainframe Tester jobs in Dallas, TX look for?

The top searched job categories for Mainframe Tester jobs in Dallas, TX are:

What cities near Dallas, TX are hiring for Mainframe Tester jobs?

Cities near Dallas, TX with the most Mainframe Tester job openings:

Infographic showing various Mainframe Tester job openings in Dallas, TX as of August 2026, with employment types broken down into 53% Full Time, and 47% Contract. Highlights an 95% In-person, and 5% Remote job distribution, with an average salary of $85,065 per year, or $40.9 per hour.

Mainframe Tester

Qualis1 Inc

Dallas, TX • On-site

Contractor

Re-posted 17 days ago


Job description

Role: Mainframe Tester

Location: Dallas, TX, onsite

Duration: 6 months

Description

Need  Mainframe tester