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Mainframe Testing Jobs in Maryland (NOW HIRING)

Peraton

Senior Software Test Engineer

Lanham, MD · On-site

$80K - $128K/yr

Conduct functional and/or integration testing of multiple programs in an IBM mainframe, client/server or cloud environment. * Proactively identify use cases for test automation within supported ...

Peraton

Senior Software Test Engineer

Lanham, MD · Hybrid

$110K - $143K/yr

Conduct functional and/or integration testing of multiple programs in an IBM mainframe, client/server or cloud environment. * Proactively identify use cases for test automation within supported ...

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

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 ...

Peraton

Senior Test Automation Engineer

Lanham, MD · On-site

$80K - $128K/yr

This position supports the IRS Enterprise System Testing (EST) program , which provides ... Design, develop, and maintain automated test frameworks and scripts for mainframe and web ...

Peraton

Senior Test Automation Engineer

Lanham, MD

$80K - $128K/yr

This position supports the IRS Enterprise System Testing (EST) program , which provides ... Design, develop, and maintain automated test frameworks and scripts for mainframe and web ...

Peraton

Senior Test Automation Engineer

Lanham, MD · On-site

$80K - $128K/yr

This position supports the IRS Enterprise System Testing (EST) program , which provides ... Design, develop, and maintain automated test frameworks and scripts for mainframe and web ...

InstantServe LLC

Senior Business Analyst

Baltimore, MD · On-site

$91K - $118K/yr

Lead and facilitate data migration efforts from mainframe environment to a modern SaaS platform ... Testing and Quality Assurance: Develop and execute testing strategies, including data validation ...

Motion Recruitment

Software Engineer III

Owings Mills, MD · On-site

$54.75 - $73.75/hr

... mainframe and client/server applications, and major enhancement of existing systems Job ... testing • Modify existing programs to new standards and conduct unit testing of developed ...

Metadimensions, Inc.

Ab-Initio Developer

Woodlawn, MD · On-site

The successful candidate will provide support in requirements/design/coding/testing/validation ... Loader Experience in UNIX Systems Services on mainframe Experience in Database Design Strong ...

Metadimensions

Ab-Initio Developer

Woodlawn, MD · On-site

The successful candidate will provide support in requirements/design/coding/testing/validation ... Experience in UNIX Systems Services on mainframe * Experience in Database Design * Strong knowledge ...

Huntington

Site Reliability Engineer

Hagerstown, MD · On-site

$57K - $113K/yr

Support Mainframe technologies including z/OS, MVS, CICS, MQ, DB2, COBOL, JCL, TSO/ISPF, Easytrieve ... Support API testing and troubleshooting using Postman, SoapUI, Swagger/OpenAPI, or similar tools.

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Showing results 21-40

All JobsMainframe Testing JobsMainframe Testing Jobs in Maryland

Mainframe Testing information

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How much do mainframe testing jobs pay per hour?

As of Aug 10, 2026, the average hourly pay for mainframe testing in Maryland is $51.81, according to ZipRecruiter salary data. Most workers in this role earn between $45.72 and $58.80 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.

Are mainframe testing jobs in demand?

Mainframe testing jobs are in steady demand due to the continued reliance of large organizations on mainframe systems for critical operations. Professionals with skills in mainframe environments, testing tools, and scripting are sought after, especially in finance, insurance, and government sectors. The role often requires knowledge of COBOL, JCL, and testing frameworks, with opportunities available for experienced testers and those with certifications.

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 testing tools like IBM Rational or CA Test Data Manager. Gaining experience in software testing, scripting, and understanding mainframe architecture is essential, and certifications such as IBM Certified Mainframe Application Developer can enhance your credentials.

What are the key skills and qualifications needed to thrive in mainframe testing?

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 mainframe testing?

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 Maryland? For Mainframe Testing jobs in Maryland, the most frequently searched job titles are:
What job categories do people searching Mainframe Testing jobs in Maryland look for? The top searched job categories for Mainframe Testing jobs in Maryland are:
What cities in Maryland are hiring for Mainframe Testing jobs? Cities in Maryland with the most Mainframe Testing job openings:
Mainframe Testing jobs near you
Infographic showing various Mainframe Testing job openings in Maryland as of August 2026, with employment types broken down into 89% Full Time, and 11% Contract. Highlights an 95% In-person, and 5% Remote job distribution, with an average salary of $107,755 per year, or $51.8 per hour.

Senior Software Test Engineer

Peraton

Lanham, MD • On-site

$80K - $128K/yr

Full-time

Posted 21 days ago

Peraton rating

8.3

Company rating: 8.3 out of 10

Based on 56 frontline employees who took The Breakroom Quiz

50th of 223 rated it services

Job description

Responsibilities
Peraton is seeking a Senior Software Test Engineer to join our team of qualified, diverse individuals. The ideal candidate is a senior testing professional who thrives in dynamic environments, provides leadership across Agile, Waterfall, and Hybrid methodologies, and ensures testing excellence through proactive guidance and cross-team collaboration.
This position supports the IRS Enterprise System Testing (EST) program, which provides comprehensive testing and quality assurance services to ensure mission critical IRS applications are secure, reliable, and ready for deployment.
This position will be in Lanham, Maryland.
Day to Day Roles and Responsibilities:
  • Conduct functional and/or integration testing of multiple programs in an IBM mainframe, client/server or cloud environment.
  • Proactively identify use cases for test automation within supported projects.
  • Use test automation tools to execute test scripts that validate functional, technical, and performance requirements.
  • Use Government or Contractor-developed documentation to construct test cases with predetermined results and test data to verify program functionality and/or interfaces through assigned systems.
  • Review output to determine whether the test results fulfill the established requirements, and if necessary, notify the responsible programmers, both verbally and in writing, of errors, omissions, and inconsistencies in the programs and/or documentation.
  • Coordinate test activities with project stakeholders.
  • Coordinate work assignments to ensure timely and accurate completion of testing.
  • Train other contractors or government personnel in use of automated testing tools.
  • Lead and oversee testing activities with initiative and accountability, applying deep expertise while guiding others and rapidly adapting to new systems and domains.

Qualifications
Basic Qualifications:
  • Bachelors degree and 8 years of experience or a Masters degree and 6 years of experience or an Associates degree and 10 years of experience or a High School diploma/equivalent and 12 years of experience
  • Must be a US Citizen or US Permanent Resident (Green card holder- must have 3 or more US residency)
  • Must be able to obtain and maintain an MBI clearance.
  • Demonstrated mastery in software testing, bringing deep expertise and advanced problem-solving capabilities.
  • Experience providing strategic guidance on testing practices across Agile, Waterfall, and Hybrid delivery models, ensuring alignment and quality across diverse project environments.
  • Experience leading and assisting other Test Engineers.
  • Must have knowledge and experience working with and supporting the development of an overall test Plan and tailored test plans for each release.
  • Must have experience preparing comprehensive reports on testing progress/issues and remedial action.
  • Hands-on experience with Jira and Xray, familiarity with Atlassian products, version control and collaborative software such as GitHub
  • Experience using test automation tools such as:
    • Selenium
    • UiPath
    • QTP
    • HP-UFT
    • Rational Functional Teste

Preferred Qualifications:
  • Current active IRS MBI Clearance strongly preferred
  • Experience working with the federal government
  • Knowledge of current IRS tax administration software applications
  • Experience with IBM Mainframe or Unisys Mainframe applications and operations
  • Market knowledge of various classes of test automation tools, including low code/code free automated testing tools
  • Exposure to wide automation concepts, framework & best practices from industry in automating mainframe and web applications
  • Demonstrated experience in designing & implementing customized test automation frameworks as needed
  • Experience with the following skills will be considered a significant plus:
    • Hands on experience with technology standards such as: Java, Service Oriented Architecture/Web Services, SQL, XML, Agile Testing Methodology and the ability to proactively respond to emerging technology trends
    • Utilization of Test Tools such as: Jmeter, Junit, Parasoft - LoadTest, Selenium Automated Testing, SOAPUI (free version), INFOConnect, Pegasus, UiPath
    • Deep understanding of: Databricks platform, Medallion architecture (Bronze/Silver/Gold) and PySpark dataframes
    • Familiarity with Accessibility Tools such as: Freedom Scientific JAWS; ZoomText; Dragon Naturally Speaking

Peraton Overview
Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can't be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we're keeping people around the world safe and secure.
Target Salary Range
$80,000 - $128,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual's experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.
EEO
EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.

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About Peraton

Sourced by ZipRecruiter

At Peraton, we re at the forefront of delivering the next big thing every day. We re the partner of choice to help solve some of the world s most daunting challenges, delivering bold, new solutions to keep people around the world safer and more secure.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Herndon, VA, US

Year founded

2017

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