Mainframe Developer – Unisys OS2200

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☕ Washington – Remote

☕ Washington – Remote

💵 $115k - $145k / year

⏰ Full Time

🟡 Mid-level

🟠 Senior

🖥 Software Engineer

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AG Consulting Partners, Inc.

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💼 Consulting

B2B • Consulting • Technology

AG Consulting Partners, Inc. is a consulting firm that assists businesses in overcoming complex challenges and achieving ambitious goals through strategic planning and execution. The company specializes in integrating technology and analytics to future-proof business operations, enhance sales and marketing strategies, and provide project leadership to turn strategic visions into reality. They emphasize creativity and innovation in content marketing, aiming to produce memorable content for brand growth. AG Consulting Partners also highlights their inclusive corporate culture focused on diversity, team collaboration, and individual authenticity to drive consulting success. Their track record of delivering transformational client outcomes includes technological implementations, data analytics, and change management initiatives. Recognized as one of the fastest-growing private companies in America, AG Consulting Partners has earned accolades for its dedication to clients and employee engagement.

📋 Description

• Analyze, maintain, enhance, and support mission-critical applications running on the Unisys OS2200 platform. • Develop, modify, troubleshoot, and optimize applications written in COBOL ANSI 74. • 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. • Work with SSG and related system utilities to support application and system functionality. • Perform application analysis, impact assessments, and root-cause investigations for production issues. • Develop and execute unit, integration, system, and user acceptance testing activities. • Create and maintain technical specifications, system documentation, operational procedures, and support materials. • Participate in application remediation, modernization, migration, and upgrade initiatives. • Collaborate with business analysts, project managers, architects, infrastructure teams, and end users to deliver high-quality solutions. • Support production deployments, release management activities, and post-implementation validation. • Support integration with Workday HCM, Payroll, Finance, and related enterprise services. • Enable reliable and secure data exchange between legacy applications and the Workday platform.

🎯 Requirements

• Bachelor's degree in Computer Science, Information Systems, Engineering, or a related field. • Equivalent combination of education and relevant experience may be considered. • 5+ years of experience developing and supporting enterprise applications in a mainframe environment. • Experience with Unisys OS2200. • Experience with COBOL ANSI 74. • Experience with ECL (Executive Control Language). • Experience with SSG. • Experience with DMS (Data Management System). • Experience with 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. • Excellent verbal and written communication skills. • Ability to create clear and comprehensive technical documentation, system procedures, and operational support guides. • Experience working in cross-functional project teams and collaborating with technical and business stakeholders. • Eligible to work in the United States. • Preferred: experience with application modernization, remediation, or migration initiatives involving legacy mainframe platforms. • Preferred: experience supporting large government, public sector, financial services, insurance, or enterprise environments. • Preferred: knowledge of SDLC, change management, and release management practices. • Preferred: experience participating in system integration, data conversion, or platform transformation projects. • Preferred: familiarity with Agile, Scrum, or hybrid project delivery methodologies. • Experience mentoring junior and mid-level developers. • Understanding of payroll, HR, finance, and workforce management business processes. • Experience communicating with executives, architects, business stakeholders, and technical teams.

🏖️ Benefits

• Medical insurance • Dental insurance • Vision insurance • PTO • 401K matching • Education reimbursement • Community and philanthropic events • Flexible career paths

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