Sr Mainframe developer/Lead Mainframe developer

iMedhas Consulting Services
Westlake Village, United States of America
15 days ago

Role details

Contract type
Temporary contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Experience level
Senior
Compensation
$ 104K

Job location

Westlake Village, United States of America

Tech stack

API
Customer Information Control System (CICS)
Cloud Computing
COBOL
Code Review
IBM DB2
Software Debugging
Embedded SQL
Job Control Language (JCL)
IBM Mainframe
IBM WebSphere MQ
Mainframes
Performance Tuning
Software Engineering
SQL Stored Procedures
Systems Integration
Transaction Processing (Computing)
System Availability
File-aid
Low Latency
Data Management
REST

Job description

  • Design, write, test, and implement complex, highly secure batch and online programs utilizing enterprise COBOL within IBM zOS environments.
  • Transaction Processing - CICS
  • Architect and optimize online CICS applications to ensure ultra-low latency, optimal screen data layouts, high-volume throughput, and robust error-handling protocols.
  • Database Management - DB2
  • Design efficient relational tables, write high-performance embedded SQL statements, and optimize DB2 store procedures, indexes, and queries to eliminate processing bottlenecks.
  • Batch Architecture and JCL
  • Manage, write, and optimize complex JCL (Job Control Language) streams, utilities (IEBGENER, IDCAMS, SORT), and automated batch scheduling systems.
  • Performance Tuning and Debugging
  • Perform advanced root-cause analysis, system tracing, and performance tuning using tools like Dump Analysis, Xpediter, InterTest, or File-AID to maintain high availability.
  • Systems Integration and API Enablement
  • Partner with Cloud and Integration Architects to expose core mainframe data and transactional logic to modern RESTful APIs via zOS Connect or MQ Series.
  • Technical Stewardship
  • Define and enforce coding standards, lead rigorous code reviews, and maintain comprehensive documentation for legacy architectures.

Requirements

  • 8+ years of professional experience in IBM Mainframe software engineering.
  • Proven track record in high-volume, transactional environments (e.g., Financial Services, Healthcare, Logistics, or Insurance).
  • Skill Matrix
  • Domain: Languages
  • Required Tooling and Concepts: Enterprise COBOL, JCL, Embedded SQL, Assembler/EZTrieve is a plus
  • Domain: Online Processing
  • Required Tooling and Concepts: CICS BMS Maps, TS/TD Queues, Program Control, Intercommunication
  • Domain: Data Management
  • Required Tooling and Concepts: DB2 Relational design

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