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Mainframe Administration Jobs in Washington (NOW HIRING)

Peraton

Senior Software Test Engineer

Lanham, MD · On-site

$80K - $128K/yr

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 ...

Peraton

Senior Software Test Engineer

Lanham, MD · Hybrid

$110K - $143K/yr

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 ...

USM

Urgent Need Infrastructure Engineer

Washington, DC

$121K - $159K/yr

Utilizing our industry knowledge, administration service offering expertise and innovation ... Mid-tier/Mainframe platforms and their associated Operation Systems and Tools including: a ...

Peraton

Senior Test Automation Engineer

Lanham, MD · On-site

$80K - $128K/yr

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 ...

Peraton

Senior Test Automation Engineer

Lanham, MD

$80K - $128K/yr

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 ...

Peraton

Senior Test Automation Engineer

Lanham, MD · On-site

$80K - $128K/yr

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 ...

Visa

Senior IT Auditor

Ashburn, VA · On-site

$96K - $126K/yr

Masters, MBA, JD, MD, or PhD) Preferred Qualifications: * 3 or more years of work experience with a ... mainframe, or Hadoop. * Experience in working on audit project teams in a complex operational and ...

Visa

Senior IT Auditor

Ashburn, VA · Hybrid

$96K - $126K/yr

Masters, MBA, JD, MD, or PhD) Preferred Qualifications: * 3 or more years of work experience with a ... mainframe, or Hadoop. * Experience in working on audit project teams in a complex operational and ...

Visa

IT Audit Manager

Ashburn, VA · Hybrid

Masters, MBA, JD, MD) or 0 years of work experience with a PhD degree * 3-6 years of technical ... mainframe, or Hadoop. * Experience in working on audit project teams in a complex operational and ...

Visa

IT Audit Manager

Ashburn, VA · On-site

Masters, MBA, JD, MD) or 0 years of work experience with a PhD degree * 3-6 years of technical ... mainframe, or Hadoop. * Experience in working on audit project teams in a complex operational and ...

T-Rex Solutions

Database SME

Washington, DC · On-site

$80K - $175K/yr

... or administration * 4+ years of experience with IBM DB2 database management * 4+ years of experience using IBM z/OS mainframe operating systems * Strong understanding of government security ...

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Mainframe Administration information

What are the key skills and qualifications needed to thrive as a mainframe administrator, and why are they important?

To thrive as a Mainframe Administrator, you need a solid understanding of mainframe operating systems (such as z/OS), system configuration, and troubleshooting, typically supported by a degree in computer science or related IT experience. Familiarity with tools like IBM System Automation, JCL, RACF, and monitoring solutions, as well as certifications such as IBM Certified System Administrator, is highly valued. Strong analytical thinking, attention to detail, and effective communication skills help administrators efficiently resolve issues and collaborate with IT teams. These skills and qualifications are essential to ensure the reliability, security, and optimal performance of critical enterprise computing environments.

What are some common challenges faced by mainframe administrators and how can they be addressed?

Mainframe Administrators often encounter challenges such as managing legacy systems, ensuring system uptime, and balancing security with accessibility. Keeping up with evolving technologies and integrating mainframes with modern applications can require continuous learning and adaptation. Effective communication with development and operations teams is vital to ensure seamless updates and minimize downtime. Proactively monitoring system performance and applying best practices for disaster recovery can also help mitigate risks and maintain reliability.

What is the difference between Mainframe Administration vs Mainframe Support?

AspectMainframe AdministrationMainframe Support
CertificationsIBM Certified System Administrator, z/OS certificationsSimilar certifications, often including z/OS support certifications
Work EnvironmentData centers, enterprise IT departments managing mainframe systemsHelp desks, support teams assisting users and troubleshooting issues
ResponsibilitiesSystem setup, configuration, maintenance, performance tuningIssue resolution, user support, incident management
Industry UsageFinancial institutions, government agencies, large corporationsSame industries, focusing on user support and problem resolution

Mainframe Administration involves managing and maintaining mainframe systems, ensuring optimal performance and security. Mainframe Support focuses on assisting users, troubleshooting issues, and resolving incidents. Both roles require similar certifications and are vital in industries relying on mainframe technology, but they differ in daily responsibilities and focus areas.

What is mainframe administration?

Mainframe Administration involves managing and maintaining mainframe computer systems, which are powerful servers used by large organizations for critical applications and bulk data processing. Mainframe Administrators are responsible for installing, configuring, monitoring, and securing mainframe hardware and software. They ensure system performance, troubleshoot technical issues, handle backup and recovery, and apply updates or patches to keep systems running smoothly and securely. This role often requires strong technical skills, attention to detail, and the ability to work with legacy systems.
What are popular job titles related to Mainframe Administration jobs in Washington? For Mainframe Administration jobs in Washington, the most frequently searched job titles are:
What job categories do people searching Mainframe Administration jobs in Washington look for? The top searched job categories for Mainframe Administration jobs in Washington are:
Mainframe Administration jobs near you
Infographic showing various Mainframe Administration job openings in Washington as of August 2026, with employment types broken down into 1% As Needed, 83% Full Time, 13% Part Time, 1% Temporary, and 2% Contract. Highlights an 92% Physical, 3% Hybrid, and 5% Remote job distribution.

Senior Software Test Engineer

Peraton

Lanham, MD • On-site

$80K - $128K/yr

Full-time

Posted 23 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

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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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