Mainframe Developer

Job Description

Benefits:

Competitive salary

Location

100% Remote (Eastern Hours)

Experience Level

Senior Level (10 or more years of relevant experience)

Role Overview

The Senior Mainframe Developer supports enterprise Medicaid systems with a focus on claims adjudication, payment processing, and legacy system enhancements. This role is responsible for maintaining and updating production systems, supporting ongoing initiatives, and collaborating with cross-functional teams to ensure reliable system performance. The position requires strong technical expertise in mainframe technologies along with effective communication and teamwork skills in a fast-paced environment.

Key Responsibilities

Mainframe Development & System Maintenance

Develop, modify, and maintain COBOL applications running on mainframe systems

Implement coding changes to support claims adjudication and payment processing workflows

Work with IDMS Network and Relational databases to support application functionality

Perform debugging, unit testing, and integration testing for all changesProduction Support & Issue Resolution

Support production systems and resolve defects or performance issues

Collaborate with QA teams to address issues identified during testing phases

Participate in on-call rotation to support system availability and operational continuity

Ensure timely resolution of incidents and system defectsCollaboration & Project Support

Work collaboratively with development, QA, operations, and business teams

Support smaller project initiatives and enhancements alongside ongoing system maintenance

Communicate progress, issues, and solutions effectively across stakeholders

Contribute to system improvements and support evolving business needsTesting, Validation & Deployment Support

Support Quality Assurance, User Acceptance Testing, and external testing activities

Make necessary code adjustments based on testing outcomes

Ensure changes meet functional and technical requirements prior to production releaseRequired Qualifications

10 or more years of experience with mainframe systems

10 or more years of experience with MVS COBOL development

10 or more years of experience working with JCL

10 or more years of experience working with IDMS Network databases

10 or more years of experience working with DB2

7 or more years of experience with CA-ADS

5 or more years of experience with Changeman

5 or more years of experience with CICS

5 or more years of experience with VSAM

Associates degree or equivalent professional experiencePreferred Qualifications

Experience with SAS

Experience with File-Aid

Experience supporting Medicaid or Medicare claims processing systems

Experience with MQ messaging

Experience with Endevor or Xpeditor toolsCore Skills & Attributes

Strong analytical and problem-solving capabilities

Excellent written and verbal communication skills

Ability to work effectively in fast-paced and high-pressure environments

Strong collaboration and teamwork skills

Self-motivated with strong time management abilities

Flexibility and adaptability to changing priorities

This is a remote position.

Full-time

Fully remote