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Mainframe Testing Jobs in Maryland (NOW HIRING)

JS Consulting

Sr. Mainframe Developer

Woodlawn, MD · On-site

$51 - $65.50/hr

Job Title- Sr. Mainframe Developer Project Location - Woodlawn, MD (5 days per week onsite ... Responsible for unit testing and validation against desired outcomes. The resource is expected to ...

MissionStaff

COBOL Developer

Woodlawn, MD · On-site

$52.25 - $70.75/hr

This role will focus on maintaining, enhancing, testing, and modernizing mission-critical mainframe applications used in a large-scale government environment. The ideal candidate has strong hands-on ...

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 ...

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

MissionStaff

COBOL Developer

Woodlawn, MD · On-site

$52.25 - $70.75/hr

Participate in development, testing, and ongoing system support Requirements: Required Skills: * Strong hands-on experience with COBOL in mainframe environments * Ability to clearly demonstrate ...

NTT Ltd.

Requires 10+ years' experience/proficiency with Mainframe DB2 Systems software * Experience installing DB2 using SMP/E * Installation, customization, testing, and maintenance for DB2 * Installation ...

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 ...

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Mainframe Testing information

See Maryland salary details

$9

$51

$70

How much do mainframe testing jobs pay per hour?

As of Jul 14, 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.

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 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 July 2026, with employment types broken down into 83% Full Time, and 17% Contract. Highlights an 83% In-person, and 17% Remote job distribution, with an average salary of $107,755 per year, or $51.8 per hour.
IRS MBI Cleared Testers

IRS MBI Cleared Testers

MATRIX SYSTEMS & TECHNOLOGIES INC

Bowie, MD • On-site

$65K - $95K/yr

Full-time

Medical, PTO

Re-posted yesterday

Job description

Benefits:
  • Health insurance
  • Paid time off
  • Training & development

We are looking for IRS MBI Cleared candidates to fulfill the roles of:
  1. Functional Testers
  2. Integration Testers
  3. Automation Testers
  4. Software QA Engineer & Testers
  5. Performance Testers
  6. IBM Mainframe Testers
  7. Enterprise System Testing
Functional Tester Qualifications:
  • Bachelor's degree in Computer Science, Information Technology, or a related field (preferred).
  • Minimum 5 years of experience in software testing, with a focus on functional testing
  • Proven experience in functional testing, integration testing, and test automation.
  • Working knowledge of agile methodologies (e.g., Scrum). Familiarity with Agile, test case design, and defect tracking.
  • Familiarity with IRS testing methodologies (e.g., SAT, FIT) is a plus.
  • 5+ years functional testing experience.
  • Must be eligible to obtain a US security clearance.
  • IRS experience
Integration Tester Qualifications:
  • Bachelor's degree in Computer Science, Information Technology, or a related field (preferred).
  • Minimum 5 years of experience in integration/system testing.
  • Experience with multi-system validation and tax processing preferred.
  • Working knowledge of agile methodologies (e.g., Scrum). Familiarity with Agile, test case design, and defect tracking.
  • Familiarity with IRS testing methodologies (e.g., SAT, FIT) is a plus.
  • Must be eligible to obtain a US security clearance.
  • IRS experience
Automation Tester Qualifications:
  • Bachelor's degree in Computer Science, Information Technology, or a related field (preferred).
  • 5+ years automation experience; knowledge of Rational ELM a plus.
  • Experience in Agile and DevOps test integration.
  • Must be eligible to obtain a US security clearance.
  • IRS experience
Software QA Engineer & Tester Qualifications:
  • 5+ years experience in testing software applications
  • Experience working in Agile and SDLC work environments
  • Proficient with Microsoft Office tools (Outlook, Word, Excel, PowerPoint, Project, and Visio)
  • Some experience in test automation including the development and execution of automated test scripts
  • Experience with 508 functional testing
  • Experience with defect tracking/requirements management tool, desired technologies include: IBM Rational Suite, (ClearQuest, Requirements Pro, Functional Test)
  • Experience in all phases of software testing including test planning, functional testing, and regression testing
  • Experience testing all layers of the application, including web-based user interface, service layer, data migration, integration layer, data layer, and performance testing
Performance Tester Qualifications:
  • Bachelor's degree in Computer Science, Information Technology, or a related field (preferred).
  • Minimum 5 years of experience in performance testing and tools (e.g., HP LoadRunner, IBM RPT).
  • Understanding of IRS SLAs and performance modeling.
  • Working knowledge of agile methodologies (e.g., Scrum).
  • Familiarity with IRS testing methodologies (e.g., SAT, FIT) is a plus.
  • Must be eligible to obtain a US security clearance.
  • IRS experience
IBM Mainframe Tester Qualifications:
  • 6+ years of experience in manual testing and developing automation scripts.
  • 6+ years of experience with mainframe systems and using tools such as JCL, batch processing, and configuration management tools.
  • 6+ years of experience in software testing, with a focus on mainframe systems.
  • Bachelors degree in computer science, engineering, or a related field
  • Must be eligible to obtain a US security clearance.
  • IRS experience
Enterprise System Tester Qualifications:
  • Bachelor's degree in Computer Science, Information Technology, or a related field (preferred).
  • Minimum 10 years of experience in software testing, with a focus on enterprise applications.
  • Proven experience in functional testing, integration testing, and test automation.
  • Working knowledge of agile methodologies (e.g., Scrum).
  • Familiarity with IRS testing methodologies (e.g., SAT, FIT) is a plus.
  • Experience with industry-standard testing tools (e.g., Selenium, JMeter) is a plus.
  • Excellent analytical, problem-solving, and communication skills.
  • Ability to work independently and as part of a team in a fast-paced environment.
  • Strong attention to detail and commitment to quality assurance.
  • Must be eligible to obtain a US security clearance.
  • IRS experience