Mainframe Application Developer – COBOL / PL/I

CTG is seeking to fill a Mainframe Application Developer – COBOL / PL/I position for our client.

Location: Remote

Duration: 12 months

Duties:

• Design, develop, enhance, test, and maintain mainframe applications using COBOL, PL/I, and CA Easytrieve.

• Develop and support applications utilizing IMS DB/DC, DB2, VSAM, and CICS.

• Develop and maintain JCL for complex batch-processing environments.

• Manage and monitor production jobs using CA Jobtrac and support production scheduling activities.

• Perform source-code and release management using Endevor.

• Work extensively with z/OS, MVS, JES, ISPF, and SDSF in development and production environments.

• Troubleshoot production issues and perform debugging using File-AID, Abend-AID, and Xpediter.

• Analyze and resolve abends, perform root-cause analysis, and execute restart and recovery procedures.

• Participate in requirements analysis, impact assessments, coding, testing, implementation, and deployment activities.

• Support mainframe-to-distributed system integrations using SFTP, FTP, TCP/IP, REXEC, and middleware connectivity.

• Design and maintain databases, develop SQL, support DB2 stored procedures, and perform DB2 performance tuning.

• Support system modernization, application migration, infrastructure upgrades, and platform transition initiatives.

• Develop and maintain technical documentation, participate in peer reviews, and provide knowledge transfer to team members.

• Provide application performance analysis and optimization to improve reliability, efficiency, and system responsiveness.

• Support testing for infrastructure and environment migrations, including disaster recovery validation.

• Work with production support, change management, and incident resolution processes as needed.

• Support applications and business processes associated with commercial oil and gas environments, including lease, contract, owner, division order, and accounting systems.

Skills:

• Strong proficiency with PL/I, COBOL, and CA Easytrieve.

• Hands-on experience with IMS DB/DC, DB2, VSAM, and CICS application development.

• Advanced JCL development and complex batch-processing experience.

• Experience with CA Jobtrac scheduling and production job monitoring.

• Experience with Endevor source-code and release management.

• Strong working knowledge of z/OS, MVS, JES, ISPF, and SDSF.

• Production debugging experience with File-AID, Abend-AID, and Xpediter.

• Strong understanding of abend resolution, root-cause analysis, restart, and recovery procedures.

• Experience with requirements analysis, impact assessment, coding, testing, and deployment.

• Knowledge of mainframe-to-distributed system integration technologies, including SFTP, FTP, TCP/IP, REXEC, and middleware connectivity.

• Strong DB2 skills, including SQL development, stored procedures, database design, and performance tuning.

• Strong troubleshooting, analytical, problem-solving, and communication skills.

• Familiarity with application modernization, migration, infrastructure upgrades, and platform transitions.

• Ability to create clear technical documentation and participate effectively in peer reviews and knowledge transfer.

Experience:

• 5+ years of professional mainframe application development experience preferred.

• Extensive hands-on experience developing and supporting COBOL and/or PL/I applications in enterprise mainframe environments.

• Experience supporting production applications, troubleshooting complex issues, and participating in on-call or production support processes.

• Experience with SPUFI, QMF, and SAVRS is a plus.

• Experience with SQL Server database analysis and troubleshooting is a plus.

• Experience troubleshooting and supporting DB2 Connect is a plus.

• Knowledge of mainframe security concepts, including ACF2, RACF, and user security administration, is a plus.

• Experience with ServiceNow, Azure DevOps (ADO), change management, and production support processes is preferred.

• Experience supporting infrastructure/environment migration testing and disaster recovery validation is preferred.

• Experience with oil and gas commercial applications, including lease, contract, owner, division order, and accounting systems, is highly desirable.

• Experience with application performance analysis and optimization is preferred.

Education:

• Bachelor's degree in Computer Science, Information Technology, Computer Engineering, or a related field preferred.

• Equivalent combination of education, training, and professional experience may be considered.

Excellent verbal and written English communication skills and the ability to interact professionally with a diverse group are required.

CTG does not accept unsolicited resumes from headhunters, recruitment agencies, or fee based recruitment services for this role.

To Apply:

To be considered, please apply directly to this requisition using the link provided. Kindly forward this to any other interested parties. Thank you!

The expected base salary for this position ranges from $45.00 to $50.00/hour. Salary offers are based on a wide range of factors including relevant skills, training, experience, education, market factors, and where applicable, licensure or certifications obtained. In addition to salary, a competitive benefit package is also offered.