Security Systems Engineer II

Booker; Wellingborough; On-site; GBP 50,000 - 70,000; Full time

Benefits offered by this job

Booker colleague card

Tesco discounts

Tesco Mobile deals

Tesco Bank insurance discount

Eye test discount

Health checks discount

RAC breakdown cover

Cycle to work scheme

Save As You Earn shares

Pension plan

Life assurance

Employee assistance program

Holiday package

Job summary

Booker seeks a Security Systems Engineer II to design, implement, and enhance security technologies across end‑to‑end infrastructure. You will help secure users, devices, apps and services while aligning with enterprise security standards.

You will work with teams and suppliers to embed security into projects, investigate issues, and support incident response. The role focuses on enhancing security controls and reducing risk in a dynamic environment.

Qualifications

• Experience engineering and supporting enterprise security technologies.
• Knowledge of endpoint security, vulnerability management, identity and access management, security monitoring and Microsoft security solutions.
• Understanding of security engineering principles across on-premise and cloud environments.
• Strong troubleshooting, analytical and problem-solving skills.
• Experience managing and delivering technical changes within a structured environment.
• Ability to communicate complex technical concepts clearly to both technical and non-technical audiences.
• Experience working with cross-functional teams, suppliers and managed service partners.
• Knowledge of security frameworks, risk management and data protection requirements.
• Strong organisational skills and the ability to manage multiple priorities effectively.
• A collaborative approach, curiosity to learn and a passion for improving security outcomes.

Responsibilities

• Design, implement, maintain and continuously improve security controls across the technology estate.
• Support security monitoring, vulnerability management, incident response and remediation activities.
• Investigate and resolve security-related issues affecting systems, services and users.
• Collaborate with colleagues, suppliers and stakeholders to embed security requirements into projects and operational processes.
• Contribute to security architecture, engineering standards and technology roadmaps.
• Deliver technical changes and security improvements through controlled change management processes.
• Create and maintain clear technical documentation, operational procedures and support materials.
• Identify opportunities to automate processes and improve operational efficiency.
• Work with service partners and suppliers to ensure secure, reliable and cost-effective solutions.
• Promote secure engineering practices and contribute to a culture of continuous improvement.
• Champion inclusion, collaboration and respect, helping to create an environment where everyone feels welcome and valued.

Skills

Security technologies

Endpoint security

IAM

Security monitoring

Microsoft security

Security engineering

Communication

Cross-functional work

Risk & data protection

Problem solving

Job description

What's in it for you

At Booker, along with being a great place to work and giving you an opportunity to get on in your career, we also offer the following fantastic package of benefits:

• 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, ie. thirteen times a year. In addition to 10% off at Tesco Cafe and 20% off all F&F purchases.
• 10% off pay monthly & SIM only deals with Tesco Mobile for yourself, along with further great deals through-out 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. You can also save 30% when you spend £50 or more on glasses, prescription sunglasses and contact lenses.
• 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 which allows you to buy Tesco shares in the future at a discount.
• 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

About the role

At Booker, we're proud to create a workplace where everyone can be themselves and have the opportunity to thrive. As part of our IS Workplace team, you'll play an important role in helping to protect our colleagues, customers, systems and data through secure, resilient and innovative technology solutions. Based within a collaborative and supportive environment, you'll work with colleagues across Booker and Tesco to strengthen our security capabilities and drive continuous improvement.

As a Security Systems Engineer II, you'll be responsible for designing, implementing, supporting and enhancing security technologies that protect our users, devices, applications and infrastructure.

You'll provide hands‑on engineering expertise across endpoint, identity, cloud and infrastructure security, helping to reduce risk while enabling the business to operate effectively and securely. Working closely with internal teams, suppliers and stakeholders, you'll investigate technical issues, improve security controls, support incident response activities and contribute to the delivery of secure technology solutions.

This is an exciting opportunity for someone who enjoys solving complex technical problems, keeping up to date with emerging cyber security trends and making a meaningful impact through technology.

You will be responsible for

• Design, implement, maintain and continuously improve security controls across the technology estate.
• Support security monitoring, vulnerability management, incident response and remediation activities.
• Investigate and resolve security-related issues affecting systems, services and users.
• Collaborate with colleagues, suppliers and stakeholders to embed security requirements into projects and operational processes.
• Contribute to security architecture, engineering standards and technology roadmaps.
• Deliver technical changes and security improvements through controlled change management processes.
• Create and maintain clear technical documentation, operational procedures and support materials.
• Identify opportunities to automate processes and improve operational efficiency.
• Work with service partners and suppliers to ensure secure, reliable and cost-effective solutions.
• Promote secure engineering practices and contribute to a culture of continuous improvement.
• Champion inclusion, collaboration and respect, helping to create an environment where everyone feels welcome and valued.

You will need

• Experience engineering and supporting enterprise security technologies.
• Knowledge of endpoint security, vulnerability management, identity and access management, security monitoring and Microsoft security solutions.
• Understanding of security engineering principles across on‑premise and cloud environments.
• Strong troubleshooting, analytical and problem‑solving skills.
• Experience managing and delivering technical changes within a structured environment.
• Ability to communicate complex technical concepts clearly to both technical and non‑technical audiences.
• Experience working with cross‑functional teams, suppliers and managed service partners.
• Knowledge of security frameworks, risk management and data protection requirements.
• Strong organisational skills and the ability to manage multiple priorities effectively.
• A collaborative approach, curiosity to learn and a passion for improving security outcomes.