Senior Mainframe Dev: COBOL/IMS, Cloud Modernization

Cloud Pivot Solutions; Denver (CO); On-site; USD 120,000 - 180,000; Full time

Job summary

Cloud Pivot Solutions is seeking a Senior Mainframe Developer to maintain and evolve a COBOL-based mainframe platform. You will work hands-on with z/OS batch and online programs and pair with cloud-focused modernization efforts using AWS, Go, and Python.

You will document legacy logic, mentor junior developers, and partner with architecture and DevOps teams to implement scalable improvements while ensuring robust production support.

Qualifications

• Bachelor's degree in Computer Science, Engineering, or related field or equivalent experience.
• 8–12 years of hands‑on mainframe development with COBOL and modern tooling.
• Deep IMS (DB/DC) and DB2 experience with SQL, schema design, and tuning.
• Proficiency in JCL, VSAM, CICS; capable of production support and debugging.
• Experience with AWS services and Go/Python for modernization prototyping.

Responsibilities

• Design, develop, maintain COBOL programs on IBM mainframe (z/OS) for batch and online.
• Tackle mainframe modernization opportunities toward cloud-native patterns (AWS, Go, Python).
• Mentor junior developers and document legacy business rules and data flows.
• Collaborate with architecture and DevOps teams on hybrid integration patterns.

Skills

COBOL

IMS

DB2

JCL

CICS

AWS

Go

Python

AI tooling

Debugging

Communication

Education

Bachelor's degree in Computer Science or related field

Tools

Endevor

ChangeMan

Mainframe testing tools

Job description

Cloud Pivot Solutions is seeking a Senior Mainframe Developer to maintain and evolve a COBOL-based mainframe platform. You will work hands-on with z/OS batch and online programs and pair with cloud-focused modernization efforts using AWS, Go, and Python.

You will document legacy logic, mentor junior developers, and partner with architecture and DevOps teams to implement scalable improvements while ensuring robust production support.