System Operator / Administrator

Environmental Conditions
Office
As part of the Thermo Fisher Scientific team youll discover meaningful work that makes a positive impact on a global scale. We provide our global teams with the resources needed to achieve individual career goals while helping to take science a step beyond by developing solutions for some of the worlds toughest challenges like protecting the environment making sure our food is safe or helping find cures for cancer.
The Mainframe Operator is responsible for the day-to-day operation monitoring and control of mainframe computer systems to ensure reliable secure and efficient processing. This role supports critical business applications by executing batch jobs monitoring system performance responding to alerts and escalating issues as needed.
Monitor mainframe systems (e.g. IBM z/OS ) to ensure availability and performance
Start stop and monitor batch jobs online regions and system tasks
Perform job scheduling and manage workloads using tools such as CA-7 and CSAR.
Ensure compliance with security audit and change management policies
Provide shift handover updates and participate in 24/7 operations as required
Associates or Bachelors degree in Information Technology Computer Science or equivalent experience
Experience operating IBM Mainframe systems (z/OS preferred)
JCL (Job Control Language)
Mainframe scheduling tools
Experience in a 24x7 production environment
Knowledge of mainframe storage (DASD tape systems)
Basic understanding of mainframe security (e.g. Exposure to ITIL-based operations or enterprise change management
Shift-based role (including nights weekends and holidays)
Required Experience: