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Senior Security Analyst

United Kingdom, Eccles · Job Posted May 27, 2026
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Job Responsibility

  • Drive and improve IT security controls across Booker systems
  • Plan and manage patching and software updates in line with security standards
  • Identify, assess and remediate vulnerabilities, risks and security gaps
  • Lead investigations into security incidents and provide clear recommendations
  • Act as a technical escalation point for complex security issues
  • Ensure systems are secure, compliant and accurately maintained
  • Support day-to-day service delivery and coordinate workload across the team
  • Lead delivery of small to medium security projects and improvements
  • Maintain high-quality documentation aligned to audit and compliance standards
  • Build strong relationships with stakeholders, suppliers and colleagues
  • Provide mentoring, guidance and line management support to junior team members

Requirements

  • Experience working in IT security within a production or enterprise environment
  • Hands-on knowledge of security technologies such as firewalls, SIEM, endpoint protection or MDM tools
  • Understanding of network security, authentication and threat mitigation
  • Experience supporting and securing Linux-based systems
  • Strong problem-solving skills and the ability to make decisions in fast-paced environments
  • Excellent communication and stakeholder management skills
  • Knowledge of governance, risk and compliance principles
  • A collaborative and inclusive approach to teamwork and leadership
  • Ability to balance immediate operational priorities with longer-term security improvements

What we offer

  • A Booker colleague card with 10% off purchases at Booker and double discount events up to three times a year
  • After 3 months service, a Tesco colleague discount card with 10% increasing to 15% off most purchases at Tesco for a 4 day period after every four-weekly pay day
  • 10% off pay monthly & SIM only deals with Tesco Mobile
  • Up to 30% off car, pet and home insurance at Tesco bank
  • Free eye test when you spend £50 or more
  • 50% off health checks at Tesco Pharmacy
  • Exclusive access to discounted RAC breakdown cover rates
  • An exclusive deals and discounts website saving you money on everyday purchases including a cycle to work scheme
  • After 3 months service, you can join our annual Save As You Earn share scheme
  • Retirement savings plan (pension) - save up to 5% and Booker will match your contribution
  • Life Assurance - You are covered for death in service life cover of up to three times annual pay
  • Health and Wellbeing support and resources including our 24/7, confidential Employee Assistance Programme and Virtual GP for you and your family
  • A great holiday package

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