24x7 Mainframe Operator

Job Description:

About the Role

We are seeking a z/OS Mainframe Operator to join our 247 Operations team supporting missioncritical enterprise systems. This role is responsible for the continuous monitoring control and operational support of IBM z/OS mainframe environments ensuring system availability stability and service level objectives are consistently met.

You will work as part of a highly skilled operations team acting as the first point of response for production events batch processing issues and system alerts across multiple environments.

Key Responsibilities

• Provide 247 operational support for z/OS mainframe environments across rotating shifts
• Monitor system consoles automation tools and hardware/software alerts
• Execute and monitor batch processing and scheduling ensuring production deadlines are met
• Perform firstlevel incident investigation troubleshooting and recovery for batch console and system issues
• Execute job restarts reruns holds and releases in accordance with documented procedures
• Monitor and manage output and report distribution
• Perform system start/stop activities including scheduled IPLs and planned maintenance tasks
• Maintain accurate incident change and operational documentation
• Escalate incidents to specialist support teams in line with operational procedures and SLAs
• Participate in disaster recovery activities and testing exercises
• Communicate effectively with internal stakeholders during incidents and service events

Skills & Experience

Essential:

• Experience working in a z/OS mainframe operations or production support environment
• Working knowledge of:
  • z/OS JES2/JES3
  • JCL
  • TSO/ISPF SDSF
• Familiarity with at least one enterprise scheduling tool (e.g. ControlM CA7 IBM Workload Scheduler)
• Experience supporting batch processing in a 247 environment
• Understanding of ITIL Incident Change and Problem Management practices
• Strong analytical troubleshooting and communication skills
• Ability to work independently and make sound decisions under pressure

Desirable:

• Experience with automation and monitoring tools (e.g. OPS/MVS NetView)
• Exposure to output management tools (e.g. ControlD OMCS)
• Experience supporting regulated or missioncritical environments (financial government utilities)
• Prior experience working on rotating 12hour shift rosters

Trust Transform & Thrivewith a company whose mission is to lead our clients on their digital transformation journey. DXC Technology is recognized globally as a force multiplier enabling clients to seize the opportunities presented by todays rapidly changing technologies. At DXC Technology we believe strong connections and community are key to our success. Our work model prioritizes in-person collaboration while offering flexibility to support wellbeing productivity individual work styles and life circumstances. Were committed to fostering an inclusive environment where everyone can thrive.

At DXC Technology we believe strong connections and community are key to our success. Our work model prioritizes in-person collaboration while offering flexibility to support wellbeing productivity individual work styles and life circumstances. Were committed to fostering an inclusive environment where everyone can thrive.

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