Overview
On Site
Depends on Experience
Contract - W2
Contract - 12 Month(s)
100% Travel
Skills
CICS
COBOL
JCL
IBM DB2
Mainframe
z/OS
Xpediter
VSAM
OLTP
Assembly Language
Assembler
Endeavour
Job Details
Job Title: Mainframe Developer
Location: Dallas, TX (Onsite)
Employment Type: W2 Only
Duration: 12+ Months
Job Summary:
We are seeking an experienced Mainframe Developer to design, develop, and maintain mission-critical z/OS applications. The ideal candidate will have strong expertise in COBOL, JCL, CICS, and DB2, with experience in modernizing legacy systems and integrating them with contemporary technologies.
Key Responsibilities:
- Develop, test, and maintain COBOL programs for core business applications
- Implement CICS online transaction processing systems
- Develop and maintain DB2 and IMS database structures
- Design optimized JCL procedures for batch operations with Assembler-level performance tuning
- Create and manage VSAM file structures
- Debug complex issues using Assembler dump analysis and mainframe tools
- Modernize legacy systems with Assembler-to-Java transition strategies
- Document Assembler macros and system-level programming logic
- Implement Endeavour-managed promotions across environments
- Perform debugging and troubleshooting using standard mainframe tools
- Participate in mainframe modernization initiatives
- Integrate mainframe applications with APIs and cloud services
- Collaborate with cross-functional teams on system enhancements
- Document technical specifications and system changes
Required Skills & Qualifications:
- 12+ years of hands-on mainframe development experience
- Strong proficiency in COBOL, JCL, and CICS
- Experience with DB2 and/or IMS databases
- Knowledge of VSAM file processing
- Strong knowledge of DB2/IMS with Assembler interfaces
- Familiarity with mainframe debugging tools (Xpediter, Abend-AID)
- Understanding of z/OS operating system fundamentals
- Experience with mainframe modernization techniques
- Basic knowledge of DevOps practices for mainframe
- Strong analytical and problem-solving skills
Nice-to-Have Skills:
- Experience with Assembler programming
- Knowledge of Java or Python for hybrid applications
- Exposure to cloud integration patterns
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