Senior Mainframe Developer
Remote Job
27 months contract
Position Overview
We are seeking a highly skilled and experienced Senior Mainframe Developer to join our enterprise technology team. The ideal candidate will be responsible for the design, development, maintenance, and optimization of mission-critical applications running on IBM z/OS Mainframe platforms. This role operates within a fast-paced financial services environment where reliability, performance, and security are of the highest priority. You will collaborate closely with architects, business analysts, and cross-functional technology teams to deliver scalable, high-performance solutions that support core business operations.
Key Responsibilities
- Design, develop, test, and maintain batch and online COBOL/CICS applications on IBM z/OS Mainframe platforms.
- Write and optimize complex DB2 SQL queries, stored procedures, and manage relational database performance tuning.
- Develop and maintain JCL procedures, scripts, and job streams for batch processing and production scheduling.
- Participate in the full software development lifecycle (SDLC) including requirements gathering, technical design, coding, unit testing, and production support.
- Analyze, troubleshoot, and resolve complex production issues and performance bottlenecks in a timely manner.
- Collaborate with business analysts and architects to translate functional requirements into efficient technical solutions.
- Support code migrations and deployments using version control tools such as Endevor, ISPF, or ChangeMan.
- Ensure all code meets quality standards through peer reviews, unit testing, and adherence to development best practices.
- Develop and maintain technical documentation including design specifications, runbooks, and operational guides.
- Actively participate in Agile/Scrum ceremonies including sprint planning, retrospectives, and daily stand-ups.
- Mentor junior developers and provide technical guidance on Mainframe development standards and practices.
- Work with security and compliance teams to ensure applications meet regulatory and audit requirements applicable to financial services.
Required Technical Skills
- 5+ years of hands-on Mainframe development experience in a large-scale enterprise environment.
- Strong proficiency in COBOL (Enterprise COBOL) — both batch and online (CICS) programming.
- In-depth experience with IBM DB2 for z/OS — SQL, query optimization, and performance tuning.
- Solid working knowledge of JCL (Job Control Language), procedures, and batch job scheduling tools (e.g., CA-7, TWS/OPC).
- Experience with VSAM file structures (KSDS, RRDS, ESDS) and sequential file processing.
- Proficiency with ISPF/PDF, SDSF, and RACF or equivalent security tools.
- Working knowledge of source control and change management tools such as Endevor, ChangeMan, or SCLM.
- Familiarity with MQ Series (IBM MQ) for message queuing and integration with distributed systems.
- Experience with TSO/ISPF environments and z/OS system utilities.
- Understanding of Mainframe performance monitoring tools (e.g., IBM Omegamon, CA Mainview, or equivalent).
Preferred / Nice-to-Have Skills
- Experience with PL/I, Assembler, or REXX scripting is a strong plus.
- Exposure to Mainframe modernization efforts including integration with Java, REST APIs, or microservices.
- Familiarity with DevOps practices for Mainframe (e.g., IBM IDz, Broadcom Code4z, or similar toolsets).
- Knowledge of IMS DB/DC or Natural/ADABAS environments.
- Experience in a financial services or capital markets technology environment.
- Understanding of SOX, PCI-DSS, or other compliance frameworks relevant to mainframe environments.
- Knowledge of zOS Connect or similar tools for Mainframe-to-cloud API integration.
Education & Certifications
- Bachelor’s degree in Computer Science, Information Technology, Engineering, or a related technical field (or equivalent practical experience).
- IBM Certified Application Developer – CICS, DB2, or z/OS certifications are highly desirable.
Thanks,
Praveen
Technical Recruiter