COBOL/Mainframe Developer

Compunnel, Inc.; Columbus, Northern (OH, KY); Hybrid; USD 90,000 - 130,000; Full time

Job summary

Compunnel, Inc. in Columbus, Ohio, is seeking a Mainframe / COBOL Developer to develop, test, maintain, upgrade, and optimize COBOL programs and JCL scripts within mainframe environments supporting financial data processing, reporting, and regulatory compliance.

The role translates business requirements into technical solutions and collaborates with business and technical teams. You will execute testing and troubleshooting activities, support production deployments, and ensure data accuracy and

Qualifications

• Bachelor’s degree in Computer Science or related field.
• 3+ years of COBOL development on mainframe systems.
• Proficiency in COBOL, JCL, Easytrieve, VSAM, and DB2.
• Experience with File-AID, TSO/ISPF, Abend-AID.
• Experience using Changeman for version control and deployment.
• Experience with mainframe scheduling tools for job automation and batch processing.
• Ability to work independently and manage multiple concurrent projects.
• Excellent communication, analytical, and problem-solving skills.

Responsibilities

• Develop, test, maintain, upgrade, and optimize COBOL programs and JCL scripts for data processing and reporting.
• Write and manage JCL scripts for batch job execution.
• Analyze business requirements and translate them into technical solutions.
• Collaborate with business partners and technical teams to implement logic changes and ensure data accuracy for financial reporting and regulatory compliance.
• Collaborate with analysts, QA, and other developers to deliver high-quality solutions.
• Execute testing cycles and assist with troubleshooting and performance tuning.
• Document code changes and create technical documentation.
• Participate in code reviews and adhere to development standards.
• Support production deployments and incident resolution.

Skills

COBOL

JCL

Easytrieve

VSAM

DB2

TSO/ISPF

Abend-AID

File-AID

Changeman

Batch scheduling

Education

Bachelor’s degree in Computer Science, Information Systems, or a related field

Tools

File-AID

TSO/ISPF

Abend-AID

Changeman

Job description

The Mainframe / COBOL Developer will develop, test, maintain, upgrade, and optimize COBOL programs and JCL scripts within mainframe environments supporting financial data processing, reporting, and regulatory compliance. The role will translate business requirements into technical solutions, collaborate with business and technical teams, execute testing and troubleshooting activities, support production deployments, and ensure data accuracy and high-quality deliverables. This is an onsite position based in Columbus, OH.

Key Responsibilities

• Develop, test, maintain, upgrade, and optimize COBOL programs and JCL scripts for data processing and reporting.


• Write and manage JCL scripts for batch job execution.


• Analyze business requirements and translate them into technical solutions.


• Collaborate with business partners and technical teams to implement logic changes and ensure data accuracy for financial reporting and regulatory compliance.


• Collaborate with analysts, QA, and other developers to deliver high-quality solutions.


• Execute testing cycles and assist with troubleshooting and performance tuning.


• Document code changes and create technical documentation.


• Participate in code reviews and adhere to development standards.


• Support production deployments and incident resolution.

Required Qualifications

• Bachelor’s degree in Computer Science, Information Systems, or a related field.


• 3+ years of experience in COBOL development and mainframe systems.


• Proficiency in COBOL, JCL, Easytrieve, VSAM, and DB2.


• Experience with File-AID, TSO/ISPF, and Abend-AID.


• Experience using Changeman for version control and deployment.


• Experience with mainframe scheduling tools for job automation and batch processing.


• Ability to work independently and manage multiple concurrent projects.


• Excellent communication, analytical, and problem-solving skills.

Preferred Qualifications

• Experience with Oracle Financial Services Analytical Applications (OFSAA).


• Experience with ZEKE/ZENA scheduling tools.


• Industry experience in finance.


• Experience with financial data structures and financial and regulatory reporting.