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Tesco

Grocery and general merchandise retailer

Security Analyst 3 - SOC

Security Operations & Incident ResponseConfirmed live in the last 24 hours
Full-timeUnited KingdomNo salary listed

About the Job

Requirements

  • Over 2 years’ experience working in an internal SOC or 3 years at an MSSP in a senior role.
  • Deep knowledge of cybersecurity frameworks: MITRE ATT&CK, Cyber Kill Chain, Incident Response Lifecycle, and Pyramid of Pain.
  • Expertise in threat hunting and advanced investigative analysis.
  • Deep understanding of attacker tactics, techniques, and procedures and threat actor behaviours.
  • Proficiency in security information and event management and extended detection and response platforms, and in tuning detection logic, use cases, and alert optimisation.
  • Advanced querying and scripting skills, such as KQL and SPL, for data analysis and threat detection.
  • Ability to recommend tooling enhancements and process improvements to strengthen SOC capability.
  • Practical knowledge of networks, operating systems, and scripting for investigative purposes.
  • Experience in leading technical initiatives and driving service maturity improvements.
  • Demonstrated ability to coach and develop team members, fostering technical excellence.

Responsibilities

  • Deliver high-quality investigative analysis to ensure rapid and accurate incident resolution.
  • Act as the escalation point and technical authority for complex SOC investigations.
  • Lead proactive threat-hunting initiatives to identify and mitigate emerging threats before they impact the business.
  • Role-model analytical excellence and decision-making, setting the benchmark for SOC performance.
  • Coach and mentor analysts to build technical depth and confidence across the team.
  • Drive SOC maturity objectives, improving processes, tooling, and automation for greater efficiency.
  • Enhance SOC tool utilisation, including workflow optimisation.
  • Identify and implement automation, artificial intelligence-driven enhancements, and playbook developments.
  • Support CSIRT activities during major incidents, ensuring coordinated and effective response.
  • Monitor managed security service provider performance, ensuring alert triage and investigations meet quality and timeliness standards.

Desired Qualifications

  • GIAC certifications.
  • Other relevant certifications such as CISSP or CISM will be considered.
  • A relevant degree, with professional experience.

About the Company

Tesco

Grocery and general merchandise retailer

Tesco is best understood as a multinational grocery and general-merchandise retailer. The group combines customer-facing retail with distribution, digital, commercial, and analytical capabilities. It serves households through stores and online shopping while also operating wholesale, data-science, and financial-service businesses. Work spans stores, fulfillment, supply chain, product, technology, data, finance, and group functions. The scope reflects Tesco PLC and its principal business lines without implying every role sits in the core supermarket operation.

Company size
Not listed
Company stage
IPO
Headquarters
Broxbourne, United Kingdom
Founded
1919

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