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Mainframe Development Jobs in Maryland (NOW HIRING)

Metadimensions, Inc.

Ab-Initio Developer

Woodlawn, MD · On-site

Maintenance of UNIX shell scripting for creating project directories on the UNIX System Services side of Mainframe. Guidance for best practices with regard to development of Ab Initio graphs. Peer ...

Peraton

Senior Software Test Engineer

Lanham, MD · Hybrid

$110K - $143K/yr

Use Government or Contractor-developed documentation to construct test cases with predetermined ... Experience with IBM Mainframe or Unisys Mainframe applications and operations * Market knowledge of ...

Peraton

Mid-Level Software Test Engineer

Lanham, MD · On-site

Use Government or Contractor-developed documentation to construct test cases with predetermined ... Experience with IBM Mainframe or Unisys Mainframe applications and operations * Market knowledge of ...

Peraton

Mid-Level Software Test Engineer

Lanham, MD · On-site

Use Government or Contractor-developed documentation to construct test cases with predetermined ... Experience with IBM Mainframe or Unisys Mainframe applications and operations * Market knowledge of ...

Peraton

Senior Software Test Engineer

Lanham, MD · Hybrid

$110K - $143K/yr

Use Government or Contractor-developed documentation to construct test cases with predetermined ... Experience with IBM Mainframe or Unisys Mainframe applications and operations * Market knowledge of ...

Peraton

Senior Software Test Engineer

Lanham, MD · On-site

$80K - $128K/yr

Use Government or Contractor-developed documentation to construct test cases with predetermined ... Experience with IBM Mainframe or Unisys Mainframe applications and operations * Market knowledge of ...

Peraton

Senior Software Test Engineer

Lanham, MD · On-site

$100 - $125/hr

Conduct functional and/or integration testing of multiple programs in an IBM mainframe, client ... Must have knowledge and experience working with and supporting the development of an overall test ...

TecTammina

Sr Java Position

Baltimore, MD · On-site

$57 - $72.50/hr

Extensive development work experience is required to design, develop and test application ... Experience with Mainframe technologies including CICS, COBOL, DB2 is a plus. * Experience working ...

Peraton

Senior Test Automation Engineer

Lanham, MD · On-site

$80K - $128K/yr

Design, develop, and maintain automated test frameworks and scripts for mainframe and web ... Solid understanding of software QA principles, test design, and agile development practices

Peraton

Senior Test Automation Engineer

Lanham, MD · On-site

$80K - $128K/yr

Design, develop, and maintain automated test frameworks and scripts for mainframe and web ... Solid understanding of software QA principles, test design, and agile development practices

Peraton

Senior Test Automation Engineer

Lanham, MD · On-site

$100 - $125/hr

Design, develop, and maintain automated test frameworks and scripts for mainframe and web ... Solid understanding of software QA principles, test design, and agile development practices

Peraton

Senior Test Automation Engineer

Lanham, MD · On-site

$80K - $128K/yr

Design, develop, and maintain automated test frameworks and scripts for mainframe and web ... Solid understanding of software QA principles, test design, and agile development practices

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All JobsMainframe Development JobsMainframe Development Jobs in Maryland

Mainframe Development information

See Maryland salary details

$28.4K

$90.4K

$143.5K

How much do mainframe development jobs pay per year?

As of Sep 9, 2026, the average yearly pay for mainframe development in Maryland is $90,368.00, according to ZipRecruiter salary data. Most workers in this role earn between $71,267.00 and $111,635.00 per year, depending on experience, location, and employer.

What is the difference between Mainframe Development vs Mainframe Testing?

AspectMainframe DevelopmentMainframe Testing
Primary FocusDesigning, coding, and maintaining mainframe applicationsVerifying and validating mainframe applications for bugs and performance
Required SkillsCOBOL, JCL, DB2, CICSTesting tools, scripting, debugging, knowledge of mainframe environments
Work EnvironmentDevelopment teams, coding in mainframe environmentsQuality assurance teams, testing labs, mainframe systems
CertificationsCOBOL certifications, IBM mainframe certificationsISTQB, mainframe testing certifications

While Mainframe Development involves creating and maintaining mainframe applications, Mainframe Testing focuses on ensuring those applications work correctly and efficiently. Both roles require knowledge of mainframe environments and related skills, but they serve different stages in the software lifecycle.

Is mainframe development a good career?

Mainframe development is a stable career with high demand in industries like finance and government that rely on legacy systems. It requires knowledge of languages such as COBOL and tools like JCL, and often offers competitive salaries and job security due to the specialized skills involved.

Is mainframe development still in demand?

Mainframe development remains in demand in industries such as finance, government, and healthcare that rely on legacy systems for critical operations. Skilled mainframe developers with knowledge of COBOL, JCL, and mainframe environments are sought after to maintain and modernize these systems, ensuring their continued relevance in enterprise IT infrastructure.

What does a mainframe developer do?

A mainframe developer designs, codes, tests, and maintains applications running on mainframe computers, often using languages like COBOL, PL/I, or Assembler. They work in environments that require high reliability and security, and typically collaborate with system administrators and analysts to ensure smooth operation of enterprise systems.
Mainframe Development jobs near you
Infographic showing various Mainframe Development job openings in Maryland as of August 2026, with employment types broken down into 1% As Needed, 82% Full Time, 15% Part Time, and 2% Contract. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution, with an average salary of $90,368 per year, or $43.4 per hour.

Ab-Initio Developer

Woodlawn, MD • On-site

Metadimensions, Inc.
See more jobs at Metadimensions, Inc.external

Full-time

Re-posted 10 days ago

Job description

Job Description: The successful candidate will provide support in requirements/design/coding/testing/validation efforts for systems that support the Office of Applications and Supplemental Security Income Systems. The candidate will be performing these activities and maintain applications for the Social Security Administration under the direction of the Technical Lead and Project Management. Skills Requirements The responsibilities of this position include: Administration of the Ab Initio co>operating system, Enterprise Metadata Environment, and Data Profiling Tool on UNIX Sun Solaris servers.

Administration of Ab Initio project directories and standard environment directories on UNIX Sun Solaris servers. Development of Ab Initio graphs. Deployment of Ab Initio graphs on UNIX Sun Solaris servers.

Maintenance on UNIX shell scripting for moving Ab Initio code from one UNIX environment to another and purging data over 30 days old from the UNIX Sun Solaris servers. Maintenance of UNIX shell scripting for creating project directories on the UNIX System Services side of Mainframe. Guidance for best practices with regard to development of Ab Initio graphs.

Peer Reviews for development of Ab Initio graphs. Guidance for best practices with regard to Data warehouse design using ORACLE for Ab Initio applications. Guidance for best practices with regard to Operational Data Stores using DB2 for Ab Initio applications.

Qualification: Minimum of 5 years of Ab Initio experience with the GDE, Metadata Repository, and Data Profiling Tool Six or more years of experience developing Ab Initio software in an enterprise environment Experience in defining Ab Initio best practices Should be able to understand the current design, review the code and suggest best design in Ab Initio Experience in SUN Solaris processing environment Expertise in UNIX and shell scripting 2-3 years of successfully demonstrated work experience using Oracle, SQL, and SQL*Loader Experience in UNIX Systems Services on mainframe Experience in Database Design Strong knowledge and use of BI/DW development methodologies, standards, and procedures Strong communication skills both written and verbal

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