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Mainframes Developer Jobs in Maryland (NOW HIRING)

They are seeking a Lead z/OS Systems Programmer to support, maintain, and enhance the client's IBM mainframe environment, ensuring the stability, security, and performance of mission-critical systems.

* This position required development support for redesigning the mainframe applications to web ... Network programming; HTTP and HTTPS. * Systems analysis and design. * Excellent written and verbal ...

... across multiple LPAR mainframe systems. Leverage deep expertise in CICS system programming ... application development, IBM MQ, CICS Transaction Gateway, SAS, REXX, IBM utilities, SMP/E, z/OSMF ...

Sr. Engineer

Owings Mills, MD · On-site

$99K - $136K/yr

... mainframe job Scheduler. • Troubleshoot and resolve application failures, batch job issues ... engineers. Qualifications : Required : • 10+ years in IT Production Support, with specific ...

Conduct functional and/or integration testing of multiple programs in an IBM mainframe, client ... Experience leading and assisting other Test Engineers. * Must have knowledge and experience working ...

Senior Software Test Engineer

Lanham, MD · Hybrid

$110K - $143K/yr

Conduct functional and/or integration testing of multiple programs in an IBM mainframe, client ... Experience leading and assisting other Test Engineers. * Must have knowledge and experience working ...

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 ... Experience leading and assisting other Test Engineers. * Must have knowledge and experience working ...

Senior Software Test Engineer

Lanham, MD · Hybrid

$110K - $143K/yr

Conduct functional and/or integration testing of multiple programs in an IBM mainframe, client ... Experience leading and assisting other Test Engineers. * Must have knowledge and experience working ...

Design, develop, and maintain automated test frameworks and scripts for mainframe and web ... DevOps, and product owners to ensure automation aligns with release goals * Provide guidance and ...

Design, develop, and maintain automated test frameworks and scripts for mainframe and web ... DevOps, and product owners to ensure automation aligns with release goals * Provide guidance and ...

Design, develop, and maintain automated test frameworks and scripts for mainframe and web ... DevOps, and product owners to ensure automation aligns with release goals * Provide guidance and ...

Support Mainframe technologies including z/OS, MVS, CICS, MQ, DB2, COBOL, JCL, TSO/ISPF, Easytrieve, IBM Utilities, SORT, FileAid, Xpediter, ChangeMan, AbendAid, and related tools. * Monitor and ...

Showing results 21-40

Mainframes Developer information

What is the difference between Mainframes Developer vs Mainframes Analyst?

AspectMainframes DeveloperMainframes Analyst
Required CredentialsTypically a degree in Computer Science or related field; certifications like IBM Certified SpecialistSimilar credentials; often holds certifications in mainframe systems and analysis
Work EnvironmentDevelops, codes, and tests mainframe applications in a software development settingAnalyzes existing mainframe systems, gathers requirements, and supports system improvements
Employer & Industry UsageUsed by banks, insurance companies, and large enterprises for application developmentEmployed in similar industries for system analysis, troubleshooting, and process optimization

While both roles require knowledge of mainframe systems and similar credentials, Mainframes Developers focus on creating and maintaining mainframe applications, whereas Mainframes Analysts analyze existing systems to improve performance and efficiency. Both roles are vital in large enterprise IT environments.

Is a mainframes developer a good career?

A mainframes developer is a specialized IT professional who maintains and develops applications on mainframe systems, which are used by large organizations for critical data processing. The role offers stable employment, competitive salaries, and opportunities to work with legacy systems and mainframe programming languages like COBOL. However, it requires specific skills and certifications, and the field may have limited growth compared to emerging technologies.

Is a mainframes developer still in demand?

Mainframes developers are still in demand in industries such as finance, government, and healthcare that rely on legacy systems. They typically work with COBOL, JCL, and mainframe environments, and demand persists due to the ongoing need to maintain and upgrade existing mainframe applications. However, the number of new positions is limited compared to emerging technologies, and skills in mainframe modernization are increasingly valued.

What does a mainframes developer do?

A mainframes developer designs, codes, tests, and maintains applications running on mainframe computers, often using languages like COBOL, PL/I, or Assembler. They ensure the stability, security, and efficiency of large-scale enterprise systems, frequently working with legacy code and mainframe-specific tools in a structured environment.

What are popular job titles related to Mainframes Developer jobs in Maryland?

For Mainframes Developer jobs in Maryland, the most frequently searched job titles are:

What job categories do people searching Mainframes Developer jobs in Maryland look for?

The top searched job categories for Mainframes Developer jobs in Maryland are:

Infographic showing various Mainframes Developer job openings in Maryland as of August 2026, with employment types broken down into 81% Full Time, 6% Part Time, and 13% Contract. Highlights an 79% Physical, 6% Hybrid, and 15% Remote job distribution.

Mainframe Storage Engineer -- DHA

Careers | Office of the Inspector General

Urbana, MD • On-site

$107K/yr

Full-time

Re-posted 13 days ago


Job description

IT Specialist positions are being filled through the Office of Personnel Management's delegated Direct Hire Authority, open to all U.S. citizens. Selections made under this bulletin will be processed as new appointments to the civil service. Current civil service employees would, therefore, be given new appointments to the civil service. Under the provisions of the Direct Hire Authority, Veterans Preference and the "Rule of Many" do not apply.Qualifications:Resumes exceeding two pages in length will not be considered, please visit the new resume guidance for more information.
READ ALL SECTIONS OF THIS ANNOUNCEMENT IN THEIR ENTIRETY. THIS INFORMATION IS CRUCIAL TO SUBMITTING A SUCCESSFUL APPLICATION.
To qualify for the 2210 IT Specialist series, you must demonstrate the following competencies. Experience must be IT related but may be demonstrated by paid or unpaid duties and/or completion of specific, intensive training (for example, IT certification), as appropriate.
  • Attention to Detail - Is thorough when performing work and conscientious about attending to detail.
  • Customer Service - Works with clients and customers (that is, any individuals who use or receive the services or products that your work unit produces, including the general public, individuals who work in the agency, other agencies, or organizations outside the Government) to assess their needs, provide information or assistance, resolve their problems, or satisfy their expectations; know about available products and services; and is committed to providing quality products and services.
  • Oral Communication - Expresses information (for example, ideas or facts) to individuals or groups effectively, taking into account the audience and nature of the information (for example, technical, sensitive, controversial); makes clear and convincing oral presentations; listens to others, attends to nonverbal cues, and responds appropriately.
  • Problem Solving - Identifies problems; determines accuracy and relevance of information; uses sound judgment to generate and evaluate alternatives, and to make recommendations.
In addition, to qualify for this GS-14 position you must have specialized experience at or equivalent to the GS-13 level or above, which is in or related to the work of the position to be filled, that has equipped you with the particular knowledge, skills, and abilities to successfully perform the duties of the position. Such experience must primarily consist of managing the implementation of mainframe storage infrastructure, advanced mainframe data storage administration skillsets, mainframe storage maintenance, and mainframe storage operations.
PLEASE NOTE: Specialized Experience is REQUIRED and must be explicitly documented/described in your resume or you will be disqualified from further consideration.
Qualification standards and additional information for this position can be found here: http://www.opm.gov/policy-data-oversight/classification-qualifications/general-schedule-qualification-standards/2200/information-technology-it-management-series-2210-alternative-a/Education:This position does not have an educational requirement.
Education cannot be substituted for Specialized Experience.Employment Type: OTHER