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Mainframe Testing Jobs in Maryland (NOW HIRING)

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 · On-site

$80 - $128/hr

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 ...

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 ...

TecTammina

Sr. WebFOCUS developer

Baltimore, MD · On-site

Knowledge of both client/server and mainframe-based systems. Strong background in coding and testing Section 508 standards. Ability to use Microsoft office suite for creating documents, spreadsheets ...

OBXtek

Systems Programmer JCL z/OS DB2

Woodlawn, MD · On-site

Perform DB2 binds and implement CICS and IDMS changes on the z/OS mainframe operating system. This ... testing and production environments. This is a daily/ongoing activity. * Independently install ...

OBXtek

Systems Programmer JCL z/OS DB2

Woodlawn, MD

Perform DB2 binds and implement CICS and IDMS changes on the z/OS mainframe operating system. This ... testing and production environments. This is a daily/ongoing activity. * Independently install ...

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How much do mainframe testing jobs pay per hour?

As of Aug 26, 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 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 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 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.

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, often supported by certifications such as IBM Certified Solution Developer. Attention to detail and the ability to work with legacy systems are important in this role.

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 83% Full Time, and 17% Contract. Highlights an 100% In-person job distribution, with an average salary of $107,755 per year, or $51.8 per hour.

Senior Test Automation Engineer

Peraton

Lanham, MD • On-site

$80K - $128K/yr

Full-time

Re-posted 7 days ago

Peraton rating

8.3

Company rating: 8.3 out of 10

Based on 56 frontline employees who took The Breakroom Quiz

52nd of 225 rated it services

Job description

Responsibilities
Peraton is seeking a Senior Test Automation Engineer to join our team of qualified, diverse individuals. This is a hands-on position focused on designing and developing automation frameworks, driving test coverage, and enabling continuous integration and delivery. The ideal candidate is a strong engineer who thinks like a tester, collaborates effectively across teams, and is passionate about delivering high-quality software.
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 is in Lanham, Maryland.
Day to Day Roles and Responsibilies:
  • Design, develop, and maintain automated test frameworks and scripts for mainframe and web applications
  • Ensure automated tests are reliable, efficient, and integrated into CI/CD pipelines
  • Identify high-value test automation opportunities and implement them to maximize coverage and efficiency.
  • Troubleshoot and stabilize flaky or failing tests, driving root-cause analysis
  • Support collaboration with developers, QA engineers, DevOps, and product owners to ensure automation aligns with release goals
  • Provide guidance and mentorship to peers on automation best practices
  • Contribute to improving testing processes, tools, and standards across the team

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 U.S. Citizen or U.S. Permanent Resident (Green Card holder) with at least three years of continuous U.S. residency.
  • Must be able to obtain and maintain a Moderate Background Investigation (MBI) clearance
  • Solid understanding of software QA principles, test design, and agile development practices
  • Strong programming skills in at least one language (e.g., Java, Python, JavaScript, or C#)
  • Experience with modern automation frameworks and tools (e.g., Selenium, UiPath, QTP, HP-UFT, Playwright, Cypress, Appium, REST-assured)
  • Hands-on experience with CI/CD pipelines and modern development toolchains, including Jenkins, GitHub/GitHub Actions, GitLab CI, Azure DevOps, version control platforms, test management tools such as Xray for JIRA, and Atlassian-based work management tools.
  • Strong problem-solving skills and attention to detail

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
  • 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: 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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