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Senior Mainframe Developer at Ensono - ApplyBlast

Senior Mainframe Developer

Ensono

4 months ago

4.1 on Glassdoor

United States

Hybrid

Full Time

Senior

0 applicants

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About this role

This role involves designing, developing, and maintaining mainframe applications using core technologies like COBOL, CICS, IMS, DB2, MQ, and VSAM within the Netron Frame environment. The position requires proficiency in enterprise ticketing systems, Agile or waterfall methodologies, and technical troubleshooting for complex integrations while creating comprehensive documentation. Candidates will align technical implementations with business needs and participate in performance tuning and optimization of legacy systems.

Responsibilities

Design and develop mainframe applications using COBOL and CICS
Maintain legacy systems including IMS DB/DC, DB2, MQ, and VSAM
Execute performance tuning for complex application queries and databases
Manage enterprise ticketing workflows using ServiceNow or similar platforms
Create technical documentation including SOPs and knowledge base articles

Skills

Qualifications

Bachelor's degree in Computer Science or related fieldMaster's degree in Computer Science or related field

About Ensono

ensono.com

Headquarters

Downers Grove, Illinois, United States

Company Size

1001-5000 employees

Founded

1969

View Profile

Ensono is a managed IT services and hybrid cloud provider that helps enterprises run, modernize, and secure complex infrastructure and applications. They deliver managed hosting, cloud migration and operations, mainframe modernization, and application and data services across public, private and multi‑cloud environments. Ensono emphasizes deep operational expertise for regulated and mission‑critical industries (financial services, insurance, healthcare), combining infrastructure management, security and compliance to reduce risk and accelerate modernization. Their services pair consulting and engineering with ongoing managed operations to drive cost, performance and resiliency improvements.