Mainframe Developer

Position: Mainframe Developer (Banking Domain)

Location: McLean, VA (Onsite, 5 days/week)

Note: This position is open to local candidates in McLean, VA only. Face-to-face (F2F) interviews are mandatory, so candidates must be available to attend an in-person interview.

We are seeking an experienced Mainframe Developer with strong expertise in the Banking domain to design, develop, maintain, and support mission‑critical mainframe applications. The ideal candidate should have hands‑on experience with COBOL, JCL, DB2, CICS, VSAM, and IBM mainframe technologies, along with a solid understanding of banking processes such as deposits, loans, payments, cards, or core banking.

• Design, develop, test, and maintain IBM Mainframe applications
• Analyze business and functional requirements and convert them into technical solutions
• Develop and enhance applications using COBOL, JCL, CICS, DB2, and VSAM
• Create and modify JCLs for batch processing and job scheduling
• Perform code reviews, unit testing, integration testing, and production support
• Troubleshoot production issues and perform root cause analysis
• Optimize application performance and improve batch processing efficiency
• Work with business analysts, QA teams, and stakeholders throughout the SDLC
• Participate in system upgrades, migrations, and application modernization initiatives
• Maintain technical documentation and follow development standards

• COBOL
• JCL
• CICS
• DB2
• VSAM
• IMS (preferred)
• TSO/ISPF
• IBM z/OS
• File‑AID
• Endevor, Changeman, or ISPW
• SDSF
• SPUFI
• Database
• SQL
• Version Control
• Git (preferred)
• Scheduling Tools
• CA-7
• Control‑M
• OPC/TWS (preferred)