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Mainframe Testing Jobs in Washington (NOW HIRING)

TriTech Enterprise Systems, Inc.

Testers

Lanham, MD · On-site

... Mainframe for multiple IRS applications using Oracle, ETL (Informatica), JBoss, Java, and in ... Demonstrated experience in testing data loading jobs implemented in ETL Informatica/Control-M tool ...

Tata Consultancy Services

Engineer

Mclean, VA · On-site

... into robust mainframe solutions • Perform unit testing, system testing support, and bug fixes • Handle batch job monitoring, performance tuning, and failure analysis • Support production ...

Serigor, Inc.

Senior .NET Developer (Onsite)

Columbia, MD · On-site

$53.75 - $70.75/hr

Collaborate with Mainframe SMEs, architects, QA teams, DevOps engineers, and business analysts * Support remediation, integration testing, regression testing, and functional equivalence validation

4 Consulting Inc.

Software Developers

Fairfax, VA · On-site

... testing, data management, cybersecurity, infrastructure, or project delivery services for client ... Develop, maintain, and enhance enterprise mainframe applications while supporting batch and online ...

BCforward

Greenplum Software Tester

Lanham, MD · On-site

Individual will conduct functional and/or integration testing of multiple programs in a client/server and/or IBM mainframe environment. Programs typically support the Internal Revenue Service (IRS ...

BCforward

Greenplum Software Tester

Lanham, MD · On-site

Individual will conduct functional and/or integration testing of multiple programs in a client/server and/or IBM mainframe environment. Programs typically support the Internal Revenue Service (IRS ...

USM

Security Implementation Engineer

Washington, DC

Experience with developing and executing web and/or mainframe application performance testing using the performance testing monitoring tools (e.g., HP tool suites). * Experience in Windows and/or ...

System One

.NET Mainframe Developer

Vienna, VA · Remote

$50.25 - $64.50/hr

Collaborate with Core Banking, testing, middleware, and platform teams to manage dependencies, mitigate risk, and meet aggressive delivery timelines. * Design, develop, and optimize high-quality ...

System One Holdings, LLC

.NET Mainframe Developer

Vienna, VA · On-site

$49.25 - $63.25/hr

Collaborate with Core Banking, testing, middleware, and platform teams to manage dependencies, mitigate risk, and meet aggressive delivery timelines. * Design, develop, and optimize high-quality ...

System One

.NET Mainframe Developer

Vienna, VA · Remote

$50.25 - $64.50/hr

Collaborate with Core Banking, testing, middleware, and platform teams to manage dependencies, mitigate risk, and meet aggressive delivery timelines. * Design, develop, and optimize high-quality ...

System One

.NET Mainframe Developer

Vienna, VA · Remote

$50.25 - $64.50/hr

Collaborate with Core Banking, testing, middleware, and platform teams to manage dependencies, mitigate risk, and meet aggressive delivery timelines. * Design, develop, and optimize high-quality ...

System One

.NET Mainframe Developer

Vienna, VA · Remote

$50.25 - $64.50/hr

Collaborate with Core Banking, testing, middleware, and platform teams to manage dependencies, mitigate risk, and meet aggressive delivery timelines. * Design, develop, and optimize high-quality ...

E Logic

IT Software Developer III

Washington, DC · On-site

$95K/yr

... a UNISYS mainframe environment supporting Taxpayer Digital Communications initiatives. The ideal candidate will possess strong expertise in COBOL development, systems integration, testing ...

E Logic

IT Systems Architect

Washington, DC · Remote

$125K/yr

Release management and testing processes * Experience with: * UNISYS mainframe environments * COBOL-based systems * CMPlus or similar configuration management tools * Database and batch processing ...

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How much do mainframe testing jobs pay per hour?

As of Jul 11, 2026, the average hourly pay for mainframe testing in Washington is $60.46, according to ZipRecruiter salary data. Most workers in this role earn between $53.37 and $68.61 per hour, depending on experience, location, and employer.

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 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 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 popular job titles related to Mainframe Testing jobs in Washington? For Mainframe Testing jobs in Washington, the most frequently searched job titles are:
What job categories do people searching Mainframe Testing jobs in Washington look for? The top searched job categories for Mainframe Testing jobs in Washington are:
Mainframe Testing jobs near you
Infographic showing various Mainframe Testing job openings in Washington as of July 2026, with employment types broken down into 4% Locum Tenens, 78% Full Time, 8% Part Time, 7% Contract, and 3% Summer. Highlights an 82% Physical, 6% Hybrid, and 12% Remote job distribution, with an average salary of $125,748 per year, or $60.5 per hour.
Testers

Testers

TriTech Enterprise Systems, Inc.

Lanham, MD • On-site

Full-time

Posted 21 hours ago

Job description

*****Treasury MBI Clearance required. *****
(*An active IRS Minimum Background Investigation MBI/ 58C Tier 2RS clearance required is required on Day 1 to start.*)
TriTech Enterprise Systems, Inc. is actively seeking IRS Business, Technical, Functional, QA, Performance and Mainframe for multiple IRS applications using Oracle, ETL (Informatica), JBoss, Java, and in Control-M environments. This would include creating test plan, creating test data requirements, validating, documenting, reporting, test results (durations, volumes), logging defects for any issues encountered for development teams to resolve. Will be responsible for coordinating and taking ownership of working with the development and deployment team to troubleshoot and determine root cause for any performance issues.
Required Skills/Level of Experience:
  • Demonstrated experience in testing data loading jobs implemented in ETL Informatica/Control-M tool loading large volume data in Oracle database - 5 years
  • Proficient SQL writing, ETL Informatica workflow and rule validation experience, able to comprehend Oracle AWR reports, able to comprehend systems reports (Unix & Linux), analytical, and team player - 3 years
  • Demonstrated experience in setting up the performance testing strategy for a data warehouse application - 3 years
  • Experience conducting performance testing builds for enterprise applications built on top Java, Oracle and Informatics ETL technologies - 3 years
  • Demonstrated experience in Performance Testing using Rational tools - 3 years
  • In-depth understanding of the software development life cycle for implementing Enterprise level systems - 3 years
  • Must have Treasury MBI Clearance

Nice to have skills:
  • IRS system and data knowledge experience
  • Healthcare system experience
  • Informatica ETL/Control-M
  • Rational Clear Quest
  • Oracle 11 g
  • WebMethods
  • JBoss
  • Java

TriTech Enterprise Systems, Inc. is an Equal Opportunity Employer

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