System Administrator (SMIP, Redhat)

14 Apr 2018
16 May 2018
Contract Type
Full Time

O2 is the commercial brand of Telefonica UK Limited, a leading digital communications company owned by Telefonica S.A. With over 25 million customers across the UK, O2 is one of the world’s most innovative companies putting our customers at the heart of everything we do.

We are more than just a network. We open up the endless possibilities of technology, connecting our customers to the things that they love and exploring new ways to open up the world for them.

We are always on the lookout for great talent. Just like our customers, we offer our employees more. From a choice of benefits, rewards, training and ongoing career development there are many reasons to join O2.

About the Team:

Working in the mobile data domain we are responsible for installation, integration, support and fault fix of the infrastructure, databases and applications for the Smart Metering Environment. The team’s responsibilities are end to end troubleshooting of smart metering central and distributed infrastructure, database and application issues. The team also provide operational consultancy to help shape the design, testing and operation of new applications, products and services.

Your Role:

This exciting high visibility role is working as a second line on-call support engineer within the mobile data domain, you will build, integrate and support our new smart metering environment.

You will be a senior seasoned professional with a flair for thinking outside the box when problem solving, you will have excellent influencing and communication skills and work independently or as part of a highly skilled technical team.

Your role will involve out of hours work and on-call rota (24x7). You will also need to be flexible in your approach to travel and working out of hours at short notice. If you are an experienced System Administrator, we’d love to hear from you.


  • To deliver a five nines service. Experience working in a similar high availability environment would be beneficial.
  • Maintain and support applications with a focus on Hardware Security Modules
  • Support project deliverables (SMIP releases and DCC 2.0).

Skills & experience:

  • Working knowledge of Redhat, RHEL is essential.
  • System Administrator experience in a high availability environment.
  • Previous experience supporting hardware security modules
  • Previous experience of application support in a mission critical environment.
  • Able to demonstrate ability to build secure systems to CIS/SOX/PSN standards and produce supporting technical documentation.

Additional Information:

No line manager responsibility. Travel to our test and live sites may be necessary but rarely.

Grade: PTG

Salary and benefits:

We are looking to pay a competitive salary (depending on experience) for this position, and in addition we have some great benefits that could include a bonus, life cover, health care, holiday entitlement and lots of flexible benefits too.

Telefonica’s commitment to a great work-life balance allows us to consider flexible approaches to working. Like to know more? Feel free to raise it.

Joining Telefonica means opening up a world of freedom, support and possibility. A fascinating world where you’ll be able to think bigger, be bolder and try new things. And where there are endless opportunities to develop your career.

There’s so much to discover. Your adventure starts here.

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