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Mainframe Developer With Cobol Jobs in Baltimore, MD

HRUCKUS

z/OS Systems Programmer

Annapolis, MD · On-site

... with REXX, JCL, and mainframe utilities • Knowledge of TCP/IP, VTAM, and network configuration on z/OS • Experience with DR, backup/restore, and high availability environments • Strong ...

Peraton

Senior Software Automation Engineer

Lanham, MD · On-site

$110K - $143K/yr

Responsibilities Peraton is seeking a Senior Software Test Engineer to join our team of qualified ... Experience with IBM Mainframe or Unisys Mainframe applications and operations. * Experience ...

Metadimensions

JAVA Web Services

Woodlawn, MD · On-site

... technologies, familiarity with mainframe technologies will be a plus. Skills Requirements ... Network programming; HTTP and HTTPS. * Systems analysis and design. * Excellent written and verbal ...

Metadimensions, Inc.

JAVA Web Services

Woodlawn, MD · On-site

... with mainframe technologies will be a plus. Skills Requirements: Experience with SQL and one or ... Network programming; HTTP and HTTPS. Systems analysis and design. Excellent written and verbal ...

Peraton

Senior Software Automation Engineer

Lanham, MD

$110K - $143K/yr

Responsibilities Peraton is seeking a Senior Software Test Engineer to join our team of qualified ... Experience with IBM Mainframe or Unisys Mainframe applications and operations. * Experience ...

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Mainframe Developer With Cobol information

See Baltimore, MD salary details

$10

$53

$71

How much do mainframe developer with cobol jobs pay per hour?

As of Sep 7, 2026, the average hourly pay for mainframe developer with cobol in Baltimore, MD is $53.04, according to ZipRecruiter salary data. Most workers in this role earn between $46.83 and $60.19 per hour, depending on experience, location, and employer.

What is a mainframe developer with COBOL?

Mainframe Developers with COBOL are IT professionals who specialize in developing, maintaining, and supporting applications that run on mainframe computers using the COBOL programming language. They work with legacy systems, often in industries like banking, insurance, or government, where mainframes are still prevalent due to their reliability and processing power. Their responsibilities include coding, debugging, testing, and optimizing COBOL programs, as well as integrating mainframe applications with newer technologies. Mainframe Developers also ensure the performance and security of mission-critical systems that handle large volumes of data.

What are the key skills and qualifications needed to thrive as a mainframe developer with COBOL?

To thrive as a Mainframe Developer with COBOL, you need expertise in COBOL programming, mainframe systems (such as IBM z/OS), JCL, and database management, typically supported by a degree in computer science or a related field. Familiarity with tools like TSO/ISPF, DB2, CICS, and source control systems is commonly required, and certifications in mainframe technologies can be advantageous. Strong problem-solving, attention to detail, and effective communication skills help you manage complex legacy systems and collaborate with cross-functional teams. These skills and qualifications are vital for maintaining, enhancing, and supporting critical business applications that rely on mainframe environments.

What are some common challenges faced by mainframe developers working with COBOL, and how can they be overcome?

Mainframe Developers working with COBOL often encounter challenges such as maintaining legacy code, integrating mainframe systems with modern technologies, and adapting to evolving business requirements. Legacy systems may lack proper documentation, making it crucial to develop strong debugging and reverse-engineering skills. Collaborating closely with business analysts and other IT teams helps ensure a clear understanding of requirements and smoother integration projects. Staying up-to-date with mainframe modernization tools and participating in knowledge-sharing sessions within your team can also help overcome these challenges and support career growth.

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Mainframe Developer With Cobol jobs near you
Infographic showing various Mainframe Developer With Cobol job openings in Baltimore, MD as of August 2026, with employment types broken down into 79% Full Time, 7% Part Time, and 14% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution, with an average salary of $110,320 per year, or $53 per hour.

IBM Mainframe Test Scheduler/Execution with IRS MBI and IRS Experience

MATRIX SYSTEMS & TECHNOLOGIES INC

Bowie, MD • On-site

$60K - $80K/yr

Full-time

Re-posted 15 hours ago

Key responsibilities

  • Conduct functional and/or integration testing of multiple programs in an IBM mainframe or client/server environment.

  • Use documentation to construct test cases with predetermined results and test data, and review output to verify program functionality and interfaces.

  • Coordinate test activities and work assignments with project stakeholders to ensure timely and accurate completion of testing.

Job description

***Must have current MBI Clearance***
9 years of manual and automation testing experience with a Bachelor’s degree; Masters or PhD may be considered in addition to just years of experience
Roles and Responsibilities: · Conduct functional and/or integration testing of multiple programs in an IBM mainframe or client/server environment. · Use relevant 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 or not 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. · Provide inputs on the required testing level of effort for Unified Work Requests. 
Minimum Experience:

9 years experience  IBM Mainframe Test Engineering
3 years of developing and writing SQL scripts
Experience with Any Batch scheduler (Control M)
Experience with IBM z/OS Mainframe
Experience with  BMS
Experience extracting Member/Subscriber data from the legacy database
Experience with creating and modifying JCL
Extensive experience with ISPF
Experience with Schema’s
Worked with SME’s, SA’s, DBA’s and CICS SA’s to identify and resolve issues
Exposure to IBM Rational Tools: ClearQuest, and JAZZ/Rational Team Concert and Rational Developer z
Preferred Experience with the following IRS Projects:

MeF (Modernized e-File)
ITPE (Individual Tax Processing Engine)
RRP (Return Review Program), IDOCS (Individual Document Specific Programs),
BDOC (Business Document Specific Programs)
IMF (Individual Master File)
BMF (Business Master File)
CADE2 (Customer Account Data Engine 2)
Preferred Skills:

Preferred Qualifications: 
Test automation experience (for example Cucumber, Selenium Webdriver, UFT, etc)
Experience with the following skills will be considered a significant plus in considering prospective candidates: · IBM Mainframe Unisys Mainframe DB2 · Informatica Business Objects · Knowledge of current IRS tax administration software applications is a significant plus. · Experience with TOAD · Rational CLM tools (Quality Manager, Team Concert, Doors Next Generation) · Microsoft (MS) Office Excel, MS Word, MS Project, MS Visio · CTRL-M (server) · Adobe Pro · SecureCRT, SecureFx · IBM Mainframe (TSO and JCL) · Java Batch (SpringBatch) · Experience with XML and JSON and previous testing experience to include test cases, test data and the software testing life cycle · Agile, Iterative and Rapid Development methodologies · Performance testing, Cybersecurity testing, and Section 508 compliance testing · Experience with IRS tax administration systems · Working knowledge of IBM REXX language · IBM File Manager skills with maps/templates on ancient data formats/CRL’s · Experience with IBM File comparison utilities · Knowledge of standard IBM Utilities and Rational CLM (i.e. compare utilities, Rational Quality Manager (RQM), Rational Team Concert (RTC), etc.) · Software testing or development experience in an IBM mainframe batch processing environment · Working knowledge of updating/executing IBM JCL · Knowledge of industry standard Performance tools · Knowledge of Individual Tax Processing Engine (ITPE) processing · Proficiency with Greenplum Database, PgAdmin tool, and SQL ·