Mainframe High Availability Engineer

Title: Mainframe High Availability Engineer

Location: Fully Remote (EST/CST candidates only)
Work Mode: Remote

Role Overview

We are seeking an experienced Mainframe High Availability Engineer to support mainframe enhancements, production stability, and high-availability operations. The ideal candidate will have strong mainframe development skills, hands-on production support experience, and expertise in root-cause analysis, change management, testing, and technical documentation.

Key Responsibilities

• Analyze, develop, review, and implement code or configuration changes for assigned mainframe enhancements and production fixes.

• Ensure changes meet established technical requirements, quality standards, and agreed acceptance criteria.

• Prepare and maintain test evidence, implementation plans, and backout procedures for every change.

• Diagnose and resolve escalated production incidents in a high-availability mainframe environment.

• Document troubleshooting activities, resolutions, escalation paths, and root-cause analysis (RCA) findings.

• Update operational runbooks and technical documentation as required.

• Link all deliverables to the assigned team work items and provide regular status updates.

• Participate in multi-party code reviews, change reviews, and knowledge-transfer sessions.

• Support reliable system operations while minimizing service disruptions and operational risks.

Required Skills & Experience

• Hands-on experience in Mainframe Development and High-Availability Environments.

• Strong production support, incident troubleshooting, and root-cause analysis skills.

• Experience delivering mainframe code enhancements, fixes, or configuration changes.

• Knowledge of change management, implementation planning, and backout procedures.

• Experience preparing test evidence and technical implementation documentation.

• Ability to work with formal acceptance criteria and structured review processes.

• Strong analytical, problem-solving, documentation, and communication skills.

• Ability to collaborate with technical teams and provide effective knowledge transfer.

Key Deliverables

• Technical analysis documents.

• Reviewed mainframe code or configuration changes.

• Test results and supporting evidence.

• Implementation and backout notes.

• Root-cause analysis reports.

• Updated operational runbooks and knowledge-transfer documentation.