Sr Mainframe Developer

Our Client, an IT Services and Consultant company, is looking for a Sr Mainframe Developer for their Philadelphia, PA/Hybrid location.

Responsibilities:

• Design and maintain geospatial data processing workflows on mainframe platforms using Cobol, DB2 and VSAM to ensure accurate and timely delivery of mapping information to downstream systems.
• Develop and optimize Cobol batch and online programs that process high volume spatial and attribute data to support enterprise scale location intelligence capabilities.
• Configure and support mainframe CICS transactions that expose geospatial services to consuming applications ensuring stable performance and predictable response times.
• Implement robust DB2 database structures and VSAM files tuned for geospatial workloads ensuring data integrity, efficient query access and reliable storage management.
• Create and maintain reusable components for map data ingestion transformation and export enabling consistent integration across multiple business functions.
• Analyze existing mainframe geospatial applications to identify performance bottlenecks and implement tuning strategies that reduce resource consumption and processing time.
• Collaborate with cross functional teams including application developers' data analysts and infrastructure specialists to align geospatial solutions with broader enterprise architecture strategies.
• Establish and maintain technical documentation covering system design data models process flows and operational procedures to support maintainability and knowledge sharing.
• Implement monitoring and alerting practices for mainframe-based mapping solutions to detect failures early minimize downtime and ensure compliant service levels.
• Develop and execute unit and integration tests for Cobol DB2 VSAM and CICS components ensuring reliability of geospatial functions before deployment to production environments.
• Coordinate with quality and compliance teams to ensure that map data handling meets regulatory expectations data governance policies and internal audit standards.
• Provide day-to-day support for incidents change requests and enhancements related to mainframe geospatial applications ensuring minimal disruption to business operations.
• Guide peers and junior engineers by sharing best practices for mainframe geospatial development thereby strengthening delivery quality and overall team capability.

Requirements:

• Possess professional experience in mainframe development spanning eight to twelve years with strong exposure to enterprise grade geospatial or mapping solutions.
• Demonstrate advanced proficiency in Cobol development including structured programming practices performance tuning techniques and error handling strategies.
• Exhibit strong expertise in DB2 database design query optimization and data modeling practices tailored for complex spatial and attribute datasets.
• Apply solid hands-on experience with VSAM file design access methods and performance tuning for large volume data processing workloads.
• Utilize practical knowledge of mainframe CICS for designing reliable online transaction processing solutions that expose geospatial services to other systems.
• Bring working familiarity with job control concepts scheduling practices and operational tools used to manage mainframe batch workloads.
• Show capability to interpret business requirements prepare clear technical specifications and translate them into maintainable mainframe implementations.
• Display effective communication and collaboration skills to work in hybrid teams across locations and time zones while maintaining strong delivery focus.

Why Should You Apply?

• Health Benefits
• Referral Program
• Excellent growth and advancement opportunities