24x7 Mainframe Operator

DXC Technology (NYSE: DXC) is the world’s leading independent, end-to-end IT services company, helping clients harness the power of innovation to thrive on change. Created by the merger of CSC and the Enterprise Services business of Hewlett Packard Enterprise, DXC Technology serves nearly 6,000 private and public sector clients across 70 countries. The company’s technology independence, global talent and extensive partner alliance combine to deliver powerful next-generation IT services and solutions. DXC Technology is recognized among the best corporate citizens globally. For more information, visit www.dxc.technology

About the Role

We are seeking a z/OS Mainframe Operator to join our 24×7 Operations team, supporting mission‑critical 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 24×7 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 first‑level 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. Control‑M, CA‑7, IBM Workload Scheduler)

• Experience supporting batch processing in a 24×7 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. Control‑D, OMCS)
• Experience supporting regulated or mission‑critical environments (financial, government, utilities)
• Prior experience working on rotating 12‑hour shift rosters

Trust, Transform & Thrive with 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 today's 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. We’re 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. We’re committed to fostering an inclusive environment where everyone can thrive.