CAS Ops Support Engineer - Level 3

  • Basingstoke, UK
  • Full-time

Company Description

Fascinated by the future and captivated by technology?

Smart, driven and want to make a difference in the world?

You’ll fit right in.

Join a diverse team at Visa, where your individuality fits right in. We can provide the opportunity to shape the payments experience globally. Together, let’s transform the way the world pays.

Think you know us?

Our mission is to connect the world through the most innovative, reliable and secure digital payment network that enables individuals, businesses and economies to thrive.

Individuality fuels our brand and our global team – we’re proud that we are a talented team of 15,000 individuals with unique backgrounds, perspectives and experiences. Therefore, we understand that you are much more than your day job. We encourage quality of life outside of the office, whether it’s taking advantage of agile work schedules or our wellness programs, Visa respects and encourages meaningful work/life balance for everyone. In addition, we offer market leading salary and have a fantastic benefits offering.

So, if you’re not satisfied with the status quo, we can satisfy your desire to explore new territory, giving you the runway to really make an impact, whilst connecting you with teams around the world in a truly inclusive culture that celebrates our uniqueness.

Job Description

If you think you could support Visa as an CAS Ops Support Engineer, we want to hear from you – together, let’s make Visa a great place to work.

What’s it all about?

Responsible for the supporting of the Clearing and Settlement BASE II Mainframe system in a multi-data centre and multi-processing environment. You are also responsible for first and second level problem determination and recovery of the MVS/BASEII Applications, Operating System, services and client related issues.

You will also help facilitate problem situations with the appropriate management and specialist/TL, support groups and service partners as required and is responsible for tracking progress and final resolution implementation.

This position is part of a shift structured team, and will require 12-hour shift work and may include night shifts. 

What we expect of you, day to day.

  • Running of the Day-to-Day CAS Operations by Supporting BASE II, Batch and MVS
  • Driving resolution of incidents and escalation of Processing on Mainframe the Environment of the Visa’s Core applications, operating system, and services with higher level of expertise and confidence
  • Work closely with service partners such as VIP Operations and Client Support teams to ensure all CAS related services are operational and with no impact
  • Work closely with CSS/CCM, VOCC, VCSCOV and Platform Support and associated regions when dealing with Client related issues
  • Ongoing/Proactive analysis of CAS Systems and applications to detect potential problems. When necessary make preventive corrections and work with Engineering/Development groups to implement long-term corrective measures
  • Help support CAS implementations, support TL/specialist in documenting daily Operations status calls.
  • Provide immediate escalation to TL/Specialist and Senior on-duty management
  • Help provide technical analysis and review in support of Operational efficiencies and enhancements
  • Continual Service Improvement - support initiatives to enhance tools functionality working with Tools Support and Engineering groups and ensure participation from colleagues
  • Ensure that all Incident, Changes, and Problem Tickets received in the shift are all accounted, updated and turned over if not completed within the shift

The role should exhibit the appropriate level of Visa Leadership Principles:

  • Lead by Example
  • Communicate Openly
  • Enable and Inspire
  • Excel with Partners
  • Act Decisively
  • Collaborate


What we’re after…

  • Knowledge of one or more of the following MVS OS/390, C:D, FTP, SFTP, SDSF, Solve (Netmaster), CA-ESP (scheduling package), COntrol-M, D-Series,  TSO & TPX, JCL, Sysview, Tandem, C1 Endeavor, Data Express, Prognosis, Netcool Alerting Tool, REXX/CLIST, application support, and Remedy reporting tool
  • Experience with large server (IBM mainframe) technologies and architectures in a complex, heterogeneous systems environment
  • Any experience in REXX, OPS/MVS, Systems State Manager, Windows, Netcool (Alerting), Control-M or ESP scheduling and operations
  • Experience in analysing processing environments with focus on identifying improvement opportunities and efficiencies to process, procedures, and Visa applications while working closely with support groups
  • Experience in working with various technical teams, which include application support, development, and engineering teams
  • Strong understanding in Incident, Problem and Change management
  • Strong ability to handle pressure and difficult situation in a manner reflective of a Visa employee
  • Perform Incident, Change and Problem Management according to documented guidelines
  • Be able to respond / action escalation utilising our knowledge base in Incident tickets, websites, and documented process/procedures.
  • Ensure all issues are tracked, resolved to maintain and make improvements to ensure no SLA’s are missed or extended outages occurs
  • Strong ability to apply efficient decision-making, problem-solving and technical skills.


  • A degree level qualification in Information Technology or Information Systems or related discipline. Industry experience or a diploma level qualification in IT.
  • Certification in ITIL V3 or Above, Six Sigma Green, Service Transition, Design & Operations.
  • Any working / practical knowledge of the Windows & Tandem environments
  • Any working knowledge of CICS, DB2, MQ Channel, and tape processing


Think you have what it takes?

If you are interested in a career that will challenge and inspire you – we’d love to hear from you!

Additional Information

Diversity & Inclusion

Universal acceptance for everyone, everywhere, is not only our brand promise, it’s the foundation of our company culture. We foster a feeling of connectedness in the workplace, support diversity of thought, culture and background, fight for important initiatives like Equal Pay and actively work to eliminate unconscious biases that hold us all back.

By leveraging the diverse backgrounds and perspectives of our worldwide teams, Visa is a better place to work and a better business partner to our clients. 

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