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Cyber Security Analyst

Date: 13-May-2021


Company: Telefonica S.A.

Here at O2, we’re about technology that creates exciting experiences. It’s why there are over 25 million people who choose to live life on O2. 


Being part of Telefonica, one of the world’s most creative digital companies, we’re able to open up all sorts of possibilities – not just for customers, but for the people who work for us, too. 


Great benefits. Great rewards. High-quality training. Ongoing career development. Flexible working. These are just some of the reasons we attract great talent. 


Our inclusive approach to recruitment helps us be a true reflection of our customers and their communities. That’s why everybody’s welcome at O2 – it’s time to get everyone in the room. 



About the Team


The Telefónica UK Security Operations Centre (SOC) acts as the centre of excellence for the monitoring and management of any event that may impact the security of Telefónica UK’s internal systems and the Smart Metering communications infrastructure.


About the Role


The SOC Support Analyst is part of the shift based SOC Team that monitors and responds to any identified event from the security monitoring processes in place or any reported security event or incident. 


Key Responsibilities


• Monitoring for events across multiple security technologies, including intruder detection systems, malware detection, file integrity systems, SIEM toolset and others as defined for this service.
• Initial assessment of incidents.
• Assigning incident tickets to a resolved state and/or assigning them to queues according to the resolution procedure.
• Recording observations in the incident ticket.
• Providing feedback to rule definers to improve the effectiveness of filters and rules used in the automated creation and population of incident tickets.
• Provide input as requested for Security, Risk, Compliance and Service reporting.

Everything else:
• Assist with maintenance of SOC documentation. 
• Support Compliance Programme activities as requested.
• Receiving and acting on calls, emails, alerts, etc. relating to security events and possible security incidents.

SOX and PCI compliance:
Demonstrate understanding with regards company policy and security, legal and regulatory compliance best practice.


Key Skills/Experience


  • Appreciation of an operational environment.
  • High standard of accuracy and attention to detail.
  • Desire to work as part of a team and contribute to the team’s objectives.
  • Exposure to IT Service Management best practices such as ITIL.
  • Excellent self-motivation and the ability to deliver key activities unsupervised.
  • Excellent communication & organisational skills.



  • A solid understanding of Information Security paradigm; relating to the Confidentiality, Integrity, and Availability of Information.
  • Experience working in an operational team environment.
  • Scripting skills using Python or Powershell


Location: Northampton 
Grade: TE3

Closing Date - 30th June



We’ll be sending you emails about the status of your application. To make sure you receive these, please add and to your Safe Senders list.


We’re looking to pay a great compensation package (depending on experience) for this position. We also offer plenty of extras to sweeten the deal, which could include things like bonuses, life assurance cover, health care and lots of flexible benefits.  


We also believe a great work-life balance is important, so we’re open to considering flexible working arrangements. Like to know more, feel free to raise it.  


Join us and we’ll encourage you to be bold every day. So take a deep breath, your career is about to go to exciting new places. 


If you have any questions around the role then please email who will be happy to help.