Vision Square Inc
Mainframe Developer
Skills
12 days ago
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Important information
Contract type:
Freelance / Contract
Location:
McLean, VA, USA
Work mode:
Onsite
Published on:
7 October 2026
What they need
Senior Mainframe Developer
Location: McLean, VA
Experience: 10+ Years
Work Arrangement: Onsite
Interview: Face-to-Face (F2F) Mandatory
Position Overview
We are seeking an experienced Senior Mainframe Developer with 10+ years of hands-on experience in mainframe application development, maintenance, enhancement, and production support. The ideal candidate should have strong expertise in COBOL, JCL, DB2, and CICS.
Must-Have Skills
- 10+ years of experience in Mainframe Development.
- Strong hands-on experience with COBOL.
- Strong experience with JCL and mainframe batch processing.
- Hands-on experience with DB2 and SQL.
- Strong experience with CICS.
- Experience with VSAM files.
- Experience in developing, enhancing, testing, and debugging mainframe applications.
- Strong knowledge of mainframe application development and production support.
- Experience with Job scheduling and batch processing.
- Experience with Change Management and version control tools.
- Strong troubleshooting and problem-solving skills.
- Ability to work in an onsite environment in McLean, VA.
- Must be available for a Face-to-Face interview.
Preferred Skills
- Experience in Banking / Financial Services.
- Experience with DB2 performance tuning.
- Knowledge of IMS/DB or IMS/DC.
- Experience with CA7, Control-M, or other scheduling tools.
- Knowledge of Endevor, Changeman, or Git.
- Experience with Mainframe testing and debugging tools.
- Experience working in Agile/Scrum environments.
- Strong production support and incident management experience.
- Experience working on large-scale enterprise applications.
Key Skills
COBOL | JCL | DB2 | CICS | VSAM | SQL | Mainframe | Batch Processing | Production Support
Work & Interview Requirements
- Onsite position in McLean, VA.
- F2F interview is mandatory.
- Candidates should be local.
- 10+ years of relevant Mainframe experience required.
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