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# Mainframe Developer (COBOL, CICS, DB2)

- **Company:** System One
- **Location:** Salt Lake City, UT, United States
- **Experience:** Expert
- **Contract:** Temporary contract
- **Skills:** Agile Methodology, Application Performance Management, Batch Processing, Customer Information Control System (CICS), COBOL (Programming Language), Code Review, Databases, Computer Engineering, IBM DB2, Software Debugging, Endevor, Job Control Language (JCL), Mainframes, Online Transaction Processing, Release Management, Application Data, SQL Stored Procedures, Virtual Storage Access Methods, Enterprise Software Applications, Mainframe Programming, Information Technology, Deployment Automation, Easytrieve, Control M
- **Published:** September 4, 2026
- **Apply:** https://www.techcareers.com/job.asp?id=3375502862&tx=VT6762THT&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54

## About the Role

* Bachelor's degree in Computer Science, Computer Engineering, Information Technology, or a related discipline, or equivalent professional experience.
 * 5+ years of experience developing, maintaining, enhancing, and supporting enterprise mainframe applications.
 * Strong hands-on experience with:
 * COBOL
 * CICS - Customer Information Control System
 * DB2
 * JCL - Job Control Language
 * VSAM - Virtual Storage Access Method
 * Easytrieve/EZtrieve
 * Strong experience with enterprise batch processing and production job support.
 * Experience troubleshooting mainframe applications, batch jobs, databases, and production incidents.
 * Experience with Control-M scheduling, workflow management, and production job monitoring.
 * Experience with Endevor or a comparable mainframe source-control and deployment tool.
 * Experience using mainframe debugging and performance-analysis tools.
 * Experience supporting multiple enterprise applications in a large, cross-functional environment.
 * Experience coordinating with offshore development and support teams.
 * Strong analytical, debugging, troubleshooting, and problem-solving abilities.
 * Ability to prioritize competing assignments and deliver solutions within project deadlines.
 * Strong verbal and written communication skills.
 * Ability to collaborate effectively with technical and non-technical stakeholders.
 * Ability to mentor junior developers and support continuous process improvement.
 * Willingness to participate in on-call production support.
 * Ability to work onsite five days per week in the Midvale/Salt Lake City, Utah area., * Experience supporting banking, financial services, insurance, government, or other highly regulated enterprise applications.
 * Experience modernizing or improving legacy mainframe applications.
 * Familiarity with Agile/Scrum delivery practices.
 * Experience with release management, change management, audit support, and production-readiness activities.
 * Experience improving application performance, batch-processing efficiency, automation, and operational reliability.

Required Competencies

Competency Importance Proficiency

Customer Information Control System - CICS Required Experienced

Common Business-Oriented Language - COBOL Required Experienced

IBM Database 2 - DB2 Required Experienced

Easytrieve/EZtrieve Required Experienced

Job Control Language - JCL Required Experienced

Virtual Storage Access Method - VSAM Required Experienced

## Description

* Seeking an experienced Mainframe Developer to develop, maintain, enhance, and support mission-critical enterprise applications. The selected candidate will work onsite at the client location in the Midvale/Salt Lake City area.
 * This role requires strong hands-on expertise in COBOL, CICS, DB2, JCL, VSAM, and Easytrieve. The developer will support online and batch-processing applications, troubleshoot production issues, maintain non-production environments, and coordinate application releases.
 * The ideal candidate will be comfortable working in a large enterprise environment and collaborating with product managers, business analysts, architects, QA teams, infrastructure teams, release management teams, and offshore development teams., * Design, develop, maintain, and enhance enterprise mainframe applications using COBOL, CICS, DB2, JCL, VSAM, Easytrieve, and related technologies.
 * Analyze business and technical requirements and recommend scalable, reliable, and maintainable solutions.
 * Develop and support CICS online transactions and COBOL-based batch-processing applications.
 * Create, update, and troubleshoot JCL jobs and enterprise batch workflows.
 * Develop and maintain DB2 programs, queries, stored procedures, and database-related components.
 * Work with VSAM datasets and ensure application data accuracy and integrity.
 * Use Easytrieve to develop and maintain reports, data extracts, and batch-processing programs.
 * Monitor and support Control-M schedules, production jobs, dependencies, and batch-processing workflows.
 * Troubleshoot application failures, database issues, batch-processing errors, and testing-environment problems.
 * Investigate production incidents, perform root-cause analysis, and implement permanent corrective solutions.
 * Manage non-production environments, including environment refreshes, deployments, configuration updates, and post-migration validation.
 * Coordinate releases and production implementations with QA, infrastructure, release management, change management, and offshore teams.
 * Use Endevor or similar source-control and deployment tools to manage application changes.
 * Perform mainframe debugging, performance analysis, code reviews, and technical validation.
 * Create and maintain technical documentation, operational procedures, user guides, and knowledge-base articles.
 * Serve as a technical subject-matter expert for assigned mainframe applications.
 * Participate in Agile ceremonies, technical-design discussions, code reviews, and continuous-improvement initiatives.
 * Mentor junior developers through technical coaching, knowledge sharing, and cross-training.
 * Provide on-call production support as required for mission-critical applications.


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