Apply for Senior Mainframe Developer at AG Consulting Partners, Inc. (Tacoma, Washington, United States). Listing 6c7805. Research the role and tailor your resume with JobFiest AI tools.
AG Consulting Partners, Inc. · Tacoma, Washington, United States
About This Opportunity We are seeking an experienced Senior Mainframe Developer to lead the remediation and modernization of a 50-year-old legacy COBOL system running on a Unisys mainframe platform. This role will be responsible for analyzing, modifying, and enhancing critical business applications to support integration with Workday Human Capital Management (HCM), Payroll, Finance, and related enterprise services. This individual will work closely with enterprise architects, Workday integration developers, business analysts, infrastructure teams, and business stakeholders to enable reliable and secure data exchange between legacy applications and the Workday platform. Key Responsibilities: Legacy System Assessment & Remediation Analyze and document existing Unisys-based COBOL applications, batch processes, databases, interfaces, and data flows. Review and assess approximately 50 years of application code for technical debt, dependencies, and remediation requirements. Identify and resolve code defects, performance bottlenecks,