Security Operations Centre (SOC) Analyst
14d ago

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.

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.

The Role

You will be reporting to the Shift Lead and will be 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.

You will also lead the shift team during the absences of the Shift Lead.

The 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;
  • Ensure that SOC scheduled tasks, reported events and incidents are appropriately progressed.
  • Assisting as required with Security, Risk, Compliance and Service reporting.
  • Supporting Analysts in the resolution of incidents where the defined procedure for an incident cannot be followed but escalation is not appropriate.
  • Responding to incidents where a detailed understanding of the monitored estate is required and is beyond the capabilities of the Support Analysts.
  • Assist with maintenance of SOC documentation.
  • Support Compliance Programme activities as requested.
  • Provide input to the Service Improvement Plan (SIP).
  • 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.
  • Essential :

  • High standard of accuracy and attention to detail.
  • Understanding of network management, networking or system administration.
  • Appreciation of an operational environment.
  • 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.
  • Desirable :

  • Experience with SIEM, Analytics and Incident Management toolsets, ideally HP ArcSight, Splunk and Resilient Systems’ IRP and BMC Remedy.
  • Understanding of ISO 27001, ITIL or ISO 20000, ISO 22301 and relevant CESG GPGs
  • Experience with Intrusion Detection Systems (IDS) / Intrusion Prevention Systems (IPS)
  • An understanding of cryptography and related concepts and principles(e.g., encryption algorithms, hash functions, PKI, key exchange, certification authorities, digital signatures)
  • An understanding of cryptographic standards and protocols (e.g., PKCS, FIPS 140 2, IPSec, SSL / TLS).
  • 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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