Senior Security Analyst in Manchester

As a Senior Security Analyst you will strengthen and evolve security across our branch systems, driving improvements to IT security controls with a layered defence approach.

You will lead vulnerability identification, manage patching and upgrades, investigate security incidents, and support the wider team with technical guidance, mentoring, and project delivery.

Responsibilities

• 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.

Qualifications

• 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.

Benefits

• 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, i. e. thirteen times a year.
• 10% off at Tesco Café and 20% off all F&F purchases.
• 10% off monthly pay and SIM‑only deals with Tesco Mobile for yourself, with further great deals throughout the year.
• Up to 30% off car, pet and home insurance at Tesco Bank (terms and conditions apply).
• Free eye test when you spend £50 or more.
• 30% off glasses, prescription sunglasses and contact lenses when you spend £50 or more.
• 50% off health checks at Tesco Pharmacy.
• Exclusive access to discounted RAC breakdown cover rates.
• Exclusive deals and discounts website, including a cycle‑to‑work scheme.
• After 3 months service, you can join our annual Save As You Earn share scheme, allowing you to buy Tesco shares at a discount.
• Retirement savings plan (pension) – save up to 5% and Booker will match your contribution.
• Life Assurance – coverage for death in service, life cover 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 generous holiday package.
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