Senior Mainframe Developer - Unisys OS2200 & COBOL

Ag-Consulting-Partners; Tacoma (WA); On-site; USD 115,000 - 145,000; Full time

Benefits offered by this job

Medical benefits

Dental

Vision

PTO

401K matching

Education reimbursement

Community events

Flexible career paths

Job summary

AG Consulting Partners, Inc. is seeking an experienced Mainframe Developer with deep Unisys OS2200 expertise to maintain, enhance, test, and document critical enterprise applications.

The role supports integration with Workday HCM, Payroll, Finance, and related services. You will collaborate with enterprise architects, Workday developers, analysts, and infrastructure teams to ensure reliable data exchange between legacy systems and the Workday platform, participate in remediation and

Qualifications

• 5+ years of experience developing and supporting enterprise applications in a mainframe environment.
• Demonstrated experience with Unisys OS2200, COBOL ANSI 74, ECL (Executive Control Language), SSG, DMS (Data Management System), TIP (Transaction Interface Package).
• Strong experience performing application testing, defect analysis, and quality assurance activities.
• Experience supporting large-scale legacy application environments and mission-critical business systems.
• Strong analytical and troubleshooting skills with the ability to resolve complex technical issues.

Responsibilities

• Analyze, maintain, enhance, and support mission-critical applications on the Unisys OS2200 platform.
• Develop, modify, troubleshoot, and optimize COBOL ANSI 74 code.
• Design, develop, and maintain ECL job streams and batch processing solutions.
• Support and maintain applications utilizing DMS databases.
• Develop and maintain TIP online transaction processing applications.
• Collaborate with SSG and related system utilities to support functionality.
• Perform impact analyses and root-cause investigations for production issues.
• Develop and execute unit, integration, system, and user acceptance testing.

Skills

Mainframe development

Unisys OS2200

COBOL ANSI 74

ECL

SSG

DMS

TIP

Testing and QA

Documentation

Cross-functional collaboration

Education

Bachelor's degree in Computer Science, Information Systems, Engineering, or related field

Job description

AG Consulting Partners, Inc. is seeking an experienced Mainframe Developer with deep Unisys OS2200 expertise to maintain, enhance, test, and document critical enterprise applications.

The role supports integration with Workday HCM, Payroll, Finance, and related services. You will collaborate with enterprise architects, Workday developers, analysts, and infrastructure teams to ensure reliable data exchange between legacy systems and the Workday platform, participate in remediation and