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Security Operations Manager

2 months ago


Reading, Reading, United Kingdom Mobile Broadband Network Ltd (MBNL) Full time
Job Title: Security Operations Manager

Mobile Broadband Network Ltd (MBNL) is seeking a highly skilled Security Operations Manager to join our team. As a key member of our IT, Data and Cyber Security function, you will play a critical role in ensuring the security and integrity of our network.

Job Summary:

We are looking for a seasoned security professional with expertise in Azure and M365 security, Windows end-user devices, Sentinel, and Defender. The successful candidate will have a strong understanding of ISO27001 and risk management principles, as well as experience working in regulated security environments.

Key Responsibilities:
  • Ensure sufficient resource to deliver TSA compliance by assuming the responsibilities of the cyber security manager in various domains as required.
  • Work with Enterprise, Corporate, and RAN/Tx security teams to ensure project deliverables are met while domain teams concentrate on TSA delivery.
  • Support the Head of Information Security for delivery of security projects within the domains.
  • Deal with operational security issues, relieving teams for TSA delivery.
  • Attend governance forums and service review meetings.
  • Manage risk where required and support the budget demand.
  • Ensure compliance with security policies and procedures.
  • Heatmap data collation and threat modelling.
  • Undertake risk assessments and make risk-based recommendations for mitigation and compensating controls in a mobile telco environment.
  • Conduct complex investigations of cloud security violations and incidents.
Requirements:
  • Experience with Azure and M365 security.
  • Good knowledge of Windows end-user devices, Sentinel, and Defender.
  • Strong understanding of ISO27001 and risk management principles.
  • Experience working in regulated security environments.
  • Expertise in security policy, specifications, and standards.
  • Ability to work with minimal management intervention.
  • Experience of security project delivery from a technical perspective, ideally from a regulated industry (e.g., telco, finance, rail).
  • Good working knowledge of Microsoft Office suite and the ability to write clear and well-structured reports.
About MBNL:

MBNL is a leading mobile broadband network operator, owned equally by EE and Three. We are committed to creating maximum value for our shareholders by delivering and managing the best network experiences at the lowest cost. We value diversity, inclusion, and equality, and we are proud to be a Disability Confident accredited employer and a recipient of the Armed Forces Covenant Gold Award.

We offer flexible working arrangements, including non-standard hours, part-time, and remote working, to support our employees in building their careers without sacrificing their personal priorities.