What are the responsibilities and job description for the Mainframe Developer position at VMC Soft Technologies, Inc?
Senior Mainframe Developer
Hartford, CT - Onsite
Must Have Skills:
⦁ 5 years of experience in IBM z/OS application development (multiple client engagements).
⦁ Hands-on experience with z/OS Connect Enterprise Edition.
⦁ Proven experience with:
o Inbound APIs: Cloud → z/OS Connect → CICS and/or IMS
o Outbound APIs: CICS → Cloud-based REST APIs
⦁ Strong knowledge of CICS TS and/or IMS TM environments.
⦁ Experience working with COBOL (or PL/I) backend programs.
⦁ Solid understanding of RESTful API design, HTTP methods, JSON, and Open API.
⦁ Familiarity with security concepts such as OAuth 2.0, TLS, and API authentication.
Nice to Have Skills:
⦁ Experience with API management platforms (e.g., IBM API Connect).
⦁ Knowledge of MQ, DB2, and VSAM data access patterns.
⦁ Familiarity with Changeman
⦁ Experience integrating mainframe workloads with public cloud platforms (AWS, Azure, or GCP).
⦁ Understanding of z/OS system concepts, including SMF, ACF2, and workload management.
⦁ z/OS Connect Enterprise Edition server configuration specifically server.xml.
Detailed Job Description:
We are seeking an experienced z/OS Connect Applications Developer to design, develop, and support API-based integrations between IBM Z platforms and cloud systems. This role focuses on both outbound integrations (CICS → Cloud APIs) and inbound integrations (Cloud APIs → z/OS Connect endpoints) connecting to CICS and/or IMS transaction processing environments.
The ideal candidate has strong mainframe application experience, hands-on knowledge of z/OS Connect EE, and a solid understanding of modern RESTful API design and cloud integration patterns.
Key Responsibilities
API Design & Development
⦁ Design, build, and maintain RESTful APIs using z/OS Connect Enterprise Edition (EE).
⦁ Develop inbound APIs exposing CICS and/or IMS transactions via z/OS Connect endpoints.
⦁ Develop outbound API integrations enabling CICS applications to securely invoke cloud-based REST APIs.
⦁ Define and maintain API contracts using Open API / Swagger specifications.
Mainframe Integration
⦁ Integrate z/OS Connect with CICS Transaction Server and/or IMS TM applications.
⦁ Configure and manage service archives (SAR), z/OS Connect services, and related artifacts.
⦁ Work with COBOL, PL/I, or assembler-based backend programs to support API enablement.
Security & Governance
⦁ Implement authentication and authorization using OAuth 2.0, JWT, TLS, and certificates.
⦁ Ensure APIs conform to enterprise security, data protection, and compliance standards.
⦁ Collaborate with platform and security teams to support API lifecycle management and governance.
Operations & Support
⦁ Troubleshoot and resolve API integration, performance, and connectivity issues.
⦁ Monitor API usage and performance using z/OS Connect logs and enterprise monitoring tools.
⦁ Support deployment automation and CI/CD pipelines for z/OS Connect and related components.
Collaboration
⦁ Work closely with cloud, distributed systems, and application teams to design end-to-end solutions.
⦁ Participate in architecture reviews, code reviews, and design discussions.
⦁ Create and maintain technical documentation and integration runbooks.
Technical Recruiter
VMC Soft Technologies inc.
EMail: recruiterbang@vmcsofttech.com
Ph No: : 480-750-7071 Ext: 241