Security Analyst: Linux & Android Security (PCI DSS)

Tesco; Eccles; On-site; GBP 42,000 - 64,000; Full time

Job summary

Booker is seeking a Security Analyst to protect and maintain branch systems, including Linux servers and Android devices, within its Technology Security team in the UK. The role emphasizes patching, vulnerability remediation and secure, compliant operations across a diverse retail tech estate.

You will collaborate with Technology and Operations teams, learn about governance and PCI DSS, and help implement security controls while keeping documentation up to date.

Qualifications

• Experience supporting and troubleshooting Linux-based systems.
• Experience with Android devices, mobile technologies or endpoint management tools.
• Understanding of vulnerability management, endpoint security and access controls.
• Strong analytical and problem-solving skills.
• Good communication and stakeholder management skills.
• Ability to prioritise work and manage competing demands.
• A proactive approach to learning and continuous improvement.

Responsibilities

• Schedule and monitor security patching and software upgrades across branch systems.
• Review security scan results and support remediation of vulnerabilities.
• Monitor software versions and ensure systems remain within supported lifecycles.
• Investigate and resolve issues affecting system security, stability and availability.
• Support the implementation and continuous improvement of security controls across the Booker estate.
• Maintain accurate asset inventories and technical documentation.
• Support security and technology projects, delivering agreed outcomes to time and quality expectations.
• Work collaboratively with technology, operational and supplier teams to support business needs.
• Follow change management, security and governance processes.

Skills

Linux systems

Android devices

Vulnerability management

Security controls

PCI DSS knowledge

Analytical skills

Communication skills

Stakeholder management

Prioritisation

Continuous improvement

Tools

Endpoint management tools

POS systems

MDM solutions

Security scanning tools

Job description

Booker is seeking a Security Analyst to protect and maintain branch systems, including Linux servers and Android devices, within its Technology Security team in the UK. The role emphasizes patching, vulnerability remediation and secure, compliant operations across a diverse retail tech estate.

You will collaborate with Technology and Operations teams, learn about governance and PCI DSS, and help implement security controls while keeping documentation up to date.