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Security Operations Analyst (SIEM)

Company: Quanta part of QCS Staffing

Location: Manises, London

Posted: June 09, 2026

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Position Details

Security Operations Analyst (SIEM) - 6-Month Contract - Spain/fully remote 

Long running contract opportunity for a Security Operations Analyst to work on a fully remote basis, or hybrid/onsite at the client's offices in Valencia, Spain. You'll join an existing security operations team and help manage, identify and resolve security-related incidents with the main client and it's end customers. One of your main responsibilities will be the administration and engineering of SIEM platforms.

Single stage Teams interviews will take place at the end of June with onboarding in July or early August. It will be an initial 6 month contract that will extend multiple times, probably running for four years or more. 


Your Security Operations Analyst duties:
  • Build, adjust and implement analytics and detection rules for SIEM, EDR and AV
  • Contribute to the preparation of KPIs for cybersecurity operations capabilities
  • Monitor and invest...