Rocket Admin & Mainframe Modernization Engineer

Compunnel, Inc.; Kansas City (MO); On-site; USD 110,000 - 160,000; Full time

Benefits offered by this job

AWS migration experience

CI/CD knowledge

Enterprise modernization exposure

Job summary

Compunnel, Inc. is seeking a Rocket Administrator / Mainframe Modernization Engineer to support a large-scale modernization initiative. The role requires hands-on Rocket Software administration, Linux/Unix expertise, and COBOL experience to migrate legacy applications to cloud environments.

The ideal candidate will collaborate with development teams, participate in deployments, and ensure system reliability during the migration lifecycle, including after-hours work as needed.

Qualifications

• 3+ years of hands-on Rocket Software administration experience.
• Experience with Micro Focus Enterprise Server / related tooling.
• Strong COBOL knowledge in enterprise mainframe environments.
• Proficient Linux/Unix system administration.
• Experience supporting production environments and incident resolution.
• Experience with deployment, environment management, and release activities.
• Excellent analytical, troubleshooting, and problem-solving skills.
• Ability to work independently while managing multiple CST-hours priorities.
• Excellent communication and collaboration skills.
• Preferred: experience migrating mainframe apps to AWS.
• Familiarity with JCL, CICS, VSAM, and IBM z/OS environments.
• Experience with DevOps practices, automation, and CI/CD pipelines.

Responsibilities

• Administer, configure, maintain, and support Rocket Software environments.
• Support modernization by assisting with migration of legacy mainframe applications to cloud infrastructure.
• Perform system installations, upgrades, patching, deployments, and ongoing maintenance.
• Monitor system performance and implement corrective actions for platform stability.
• Troubleshoot production incidents and provide operational support for enterprise apps.
• Collaborate with development teams during code promotions, deployments, and releases.
• Support testing, cutover, go-live, and post-deployment stabilization activities.
• Maintain technical documentation, procedures, and system configuration records.
• Partner with internal engineering and implementation teams to support modernization.
• Participate in after-hours or weekend deployment activities as required.
• Ensure system reliability and operational readiness throughout migration lifecycle.

Skills

Rocket Software

Micro Focus ES

COBOL

Linux/Unix

Production Support

Deployment

Troubleshooting

Communication

Tools

AWS

CI/CD pipelines

DevOps

Z/OS knowledge

Job description

Compunnel, Inc. is seeking a Rocket Administrator / Mainframe Modernization Engineer to support a large-scale modernization initiative. The role requires hands-on Rocket Software administration, Linux/Unix expertise, and COBOL experience to migrate legacy applications to cloud environments.

The ideal candidate will collaborate with development teams, participate in deployments, and ensure system reliability during the migration lifecycle, including after-hours work as needed.