Remote High-Availability Mainframe Engineer

Computer Task; United States; Remote; USD 95,000 - 102,000; Full time

Job summary

CTG is seeking a High Availability Mainframe Developer to join our client’s team in a remote, 12-month engagement. You will develop and support mainframe applications in a high-availability environment, provide Tier III production support, and participate in Agile ceremonies within a High Availability Scrum Team.

The ideal candidate has strong hands-on experience with Assembler, CICS, and COBOL, plus expertise in debugging, change management, and documentation.

Qualifications

• Demonstrated experience developing and supporting mainframe applications in high‑availability environments.
• Experience resolving production incidents, implementing enhancements, and providing Tier III support.
• Experience working in an Agile/Scrum team and delivering changes to quality standards.

Responsibilities

• Develop, maintain, enhance, and support business-critical mainframe apps in a high-availability environment.
• Analyze requirements and implement code and configuration changes.
• Provide Tier III production support, troubleshooting, debugging, and root-cause analysis.
• Test changes and prepare implementation and rollback documentation.
• Document resolutions, findings, and corrective actions for escalated incidents.
• Maintain runbooks and operational docs.
• Collaborate with the High Availability Scrum Team to complete deliverables.
• Participate in Agile ceremonies and ensure coding standards are met.

Skills

Assembler

CICS

COBOL

Mainframe troubleshooting

Production support

Testing & change management

Documentation & communication

Agile/Scrum experience

FIS Systems

Connex

JCL

DB2

Education

Relevant degree in Computer Science or related field

Tools

Connex

JCL

DB2

Job description

CTG is seeking a High Availability Mainframe Developer to join our client’s team in a remote, 12-month engagement. You will develop and support mainframe applications in a high-availability environment, provide Tier III production support, and participate in Agile ceremonies within a High Availability Scrum Team.

The ideal candidate has strong hands-on experience with Assembler, CICS, and COBOL, plus expertise in debugging, change management, and documentation.