Senior Mainframe Engineer

Ovii's Interpretation of the Role

We need a Senior Mainframe Engineer to design, develop, and maintain high‑volume COBOL applications on IBM Mainframe platforms for the financial services sector. The role is fully remote, contract‑based, and focuses on reliable transaction processing, performance tuning, and legacy modernization.

Role Snapshot

• Design & maintain COBOL applications
• Develop batch and online transaction processing
• Troubleshoot production incidents
• Collaborate with architects and business stakeholders
• Support mainframe modernization initiatives
• Document technical solutions

Must-Have Requirements

• COBOL
• JCL
• CICS
• DB2
• VSAM
• SDLC
• Strong analytical and problem‑solving abilities
• Excellent communication and collaboration
• IBM Mainframe development

Nice-to-Have Signals

• IBM z/OS
• File‑AID / Abend‑AID / Expeditor / Endevor / Changeman
• Financial transaction processing knowledge
• Experience in BFSI industry
• Agile development exposure
• Mainframe modernization experience
• Integration of mainframe apps with distributed systems or APIs
• Banking / Financial Services / Insurance (BFSI) industry
• Mainframe tooling
• Agile methodologies
• Mainframe modernization
• Banking
• Financial Services
• Insurance

Work Setup

• Location: United States
• Work mode: REMOTE
• Remote scope: COUNTRY_RESTRICTED
• Remote countries: United States
• Employment type: Contract

Not Specified in JD

• Salary range
• Visa sponsorship
• Security clearance
• Travel
• Coding test
• Portfolio
• GitHub
• Cover letter

What You'll Likely Work On

• Design, code, test, and maintain enterprise COBOL applications on IBM Mainframe.
• Build and enhance batch and online transaction processing systems for high‑volume financial operations.
• Analyze business and technical requirements to deliver scalable, reliable solutions.
• Diagnose and resolve production issues, optimizing performance and stability.
• Participate in code reviews and enforce development best practices.
• Collaborate across architecture, business, and engineering teams throughout the software lifecycle.
• Contribute to modernization efforts, integrating legacy mainframe apps with newer technologies and APIs.
• Create and keep technical documentation up to date.

Good Fit If You Have

• Experience in banking, financial services, or insurance domains.
• Familiarity with IBM z/OS and mainframe tooling.
• Exposure to Agile development and modernization projects.