Mainframe Operator

Mainframe Operator
Viseu
Viseu, Viseu District, Portugal

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People & Culture | Tech Recruiter at Emagine
Emagine is currently seeking a Mainframe Operator to join a
- term assignment with one of our international clients. This is a strategic opportunity to contribute to the reliability, performance, and cost optimization of our client's core systems, supporting a critical environment hosted on an outsourced IBM mainframe and developed in a mixture of Cobol, PL/I, SAS, DB2, Java, and Python. The selected professionals will be part of a dedicated team responsible for 24/7 mainframe operations, ensuring smooth execution, stability, and high performance across essential applications. The role requires a strong technical mindset,
- oriented attitude, and the ability to collaborate effectively with Danish colleagues in an international setting. Your main responsibilities:
- Operate and monitor IBM mainframe systems to ensure stability, availability, and optimal performance. - Support applications developed in Cobol, PL/I, SAS, DB2, and other technologies such as Java and Python. - Identify, analyze, and resolve performance or capacity issues in collaboration with our client's internal teams. - Follow operational processes and standards to maintain high service quality and compliance with SLAs. - Collaborate closely with the department manager and colleagues in Denmark, contributing to effective communication and issue resolution. - Participate in capacity management and performance optimization activities using tools such as SMT Data’s ITBITM for Z. - Support 24/7 operations across three shifts, ensuring business continuity and incident response. - Document incidents, changes, and operational procedures with precision and attention to detail. - Contribute to the continuous improvement of operational workflows and team efficiency. You bring:
- Solid experience working with IBM mainframe systems. - Hands-on knowledge of Cobol, PL/I, SAS, and DB2 (knowledge of Java and Python is a strong advantage). - Experience with performance monitoring, capacity management, and incident handling in mainframe environments. - Service-minded approach, flexibility, and ability to work under pressure. - Willingness to work mainly
- site and collaborate closely with colleagues from Denmark. - Availability to travel occasionally to Denmark for workshops or team coordination. - Readiness to work outside normal hours as part of a 24/7 operational setup (three-shift rotation). - Strong communication skills and a
- oriented mindset. - Fluent English (knowledge of Danish is an advantage). - Support hours: 24/7 (07–17 Full Team | 17–23 Stand-by | 23–07 Full Team)- Location: Mainly
- site, Lisbon
Seniority
- Seniority level
Mid-Senior level
Employment
- Employment type
Contract
Job
- Job function
Information Technology- Industries
IT Services and IT Consulting
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