Senior Mainframe Engineer
AceStack LLC
Senior Mainframe Engineer
Location: Plano, TX
Work Mode: Remote
Position Summary: We are seeking a highly skilled Senior Mainframe Engineer with strong expertise in CICS, MQ, and WAS on IBM z/OS environments. The ideal candidate will be responsible for maintaining, supporting, and optimizing mainframe systems, ensuring high availability, performance, and seamless integration with application teams.
Key Responsibilities:
- Install, configure, and maintain CICS Transaction Server and associated third-party software.
- Monitor CICS environments to ensure error-free operation and high availability.
- Perform administrative tasks such as defining new regions, removing obsolete regions, and applying RSU maintenance.
- Upgrade CICS and MQ versions and optimize transaction response times.
- Generate and analyze performance reports, tune system parameters, and improve overall CICS performance.
- Provide support and troubleshooting for MQSeries on z/OS, including installation, upgrade, and maintenance of MQ applications.
- Monitor and manage MQ objects and Queue Managers to maintain subsystem availability.
- Perform backups, delete messages, and manage MQ channels as required by authorized teams.
- Collaborate with application teams for system and application-related region modifications and transaction ABEND analysis.
- Review and maintain automation and dependencies for system tasks.
Required Skills & Qualifications:
- Bachelor’s degree in Computer Science, Information Technology, or a related field.
- Strong experience in CICS, MQ, and WAS on IBM z/OS environments.
- Expertise in installation, configuration, maintenance, and version upgrades of CICS and MQ.
- Solid understanding of debugging, problem analysis, and system performance tuning.
- Knowledge of mainframe operations, region management, and transaction monitoring.
- Experience in supporting application teams and managing MQ objects and subsystems.
- Excellent communication, problem-solving, and collaboration skills.
Vacancy posted 3 hours ago
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