Senior Mainframe COBOL Engineer - Payables & Compliance

Jobtailor; Kentucky; On-site; USD 90,000 - 130,000; Full time

Job summary

Jobtailor is seeking an experienced COBOL mainframe developer to maintain and enhance payment-related COBOL applications on IBM z/OS. You will diagnose complex system issues, implement regulatory updates, and collaborate with technology and business teams to model and improve payment capabilities.

You will present technical concepts to senior leadership, ensuring reliability, accuracy, and compliance in a high-availability environment.

Qualifications

• Strong proficiency in COBOL development with hands-on experience in IBM z/OS mainframe environments.
• Working knowledge of JCL, CICS, DB2, and VSAM.
• Experience using tools and platforms such as SAS, NDM, FILE‑AID, CompairX, Datamover, and BlueZone.
• Proven ability to analyze and resolve complex systems issues across interconnected applications.
• Strong interpersonal and communication skills with the ability to collaborate effectively within a legacy‑focused, highly interdependent team.
• Professional demeanor with the ability to navigate organizational dynamics thoughtfully and diplomatically.
• Demonstrated capability to present to senior leadership, clearly articulate technical concepts, and discuss project details at length when required.

Responsibilities

• Perform ongoing maintenance, support, and enhancement of mainframe-based COBOL applications supporting integrated payables and CPY mnemonic applications.
• Diagnose and resolve upstream and downstream system issues impacting client payment processing and operational workflows.
• Lead and implement federally mandated system updates and regulatory-driven changes that occur multiple times per year.
• Coordinate with internal technology and business teams seeking to leverage or model similar payment capabilities, offering expertise, guidance, and process improvement recommendations.
• Provide clear technical explanations, status updates, and risk assessments to senior leadership and business partners.
• Ensure system reliability, accuracy, and compliance in a high-availability, transaction-driven environment.

Skills

COBOL development

Mainframe experience

Analytical thinking

Communication skills

Tools

JCL

CICS

DB2

VSAM

SAS

NDM

FILE‑AID

CompairX

Datamover

BlueZone

Job description

Jobtailor is seeking an experienced COBOL mainframe developer to maintain and enhance payment-related COBOL applications on IBM z/OS. You will diagnose complex system issues, implement regulatory updates, and collaborate with technology and business teams to model and improve payment capabilities.

You will present technical concepts to senior leadership, ensuring reliability, accuracy, and compliance in a high-availability environment.