Systems Engineer I - Infrastructure

About the role

At Booker, part of the Tesco family, we use technology to keep our business moving and support our colleagues to do their best work. We’re proud to create a workplace where everyone feels respected, included and empowered to grow.

As a Systems Engineer I in the Booker Technology Infrastructure team, you’ll help maintain and improve our core IT systems, including servers, storage, security, data and network connectivity. Your work will support reliability, security and performance, while ensuring our technology aligns with evolving business needs.

This role offers variety and opportunity to learn. You’ll be involved in day‑to‑day operations as well as contributing to longer‑term plans around capacity, resilience and efficiency. From system maintenance and performance optimisation to incident response and stakeholder collaboration, you’ll help keep our platforms running smoothly and ready for growth.

Reporting into one of our Systems Engineering Managers, you’ll work alongside a mix of internal colleagues and third‑party partners. A key focus of the role is administering Active Directory and using scripting to automate user and device management, helping to deliver a stable, secure and scalable environment. You’ll also support service level reporting, Disaster Recovery and Total Loss Recovery testing, and maintain a regular engagement cadence with application stakeholders to identify and embed improvements.

Main Responsibilities

• Operations & maintenance: Support optimal performance, availability, security and patching across systems in your scope
• Security & compliance: Help protect our data, follow security standards and maintain platform integrity
• Project delivery: Contribute to planning and delivery of infrastructure upgrades and new implementations
• Incident & change management: Assist with effective problem resolution, reduce disruption and follow consistent change processes
• Due diligence: Work within agreed budgets and keep technology decisions aligned to Booker’s business objectives
• Reporting & documentation: Maintain accurate documentation and contribute to Disaster and Total Loss Recovery reporting

You will need

We’re looking for someone who enjoys solving problems, values great service and wants to build secure, dependable infrastructure.

• Experience with Windows Server, Active Directory and PowerShell
• An understanding of infrastructure fundamentals; experience with VMware or other virtualisation platforms, networking basics or Zscaler Internet / Private Access is beneficial
• A strong focus on stability, security and continuous improvement
• Clear communication skills and the ability to work confidently with stakeholders and suppliers
• An organised approach to governance, project delivery and budget awareness
• A calm, practical mindset when responding to incidents or change
• The ability to balance future‑focused thinking with hands‑on technical work
• Confidence using tools and techniques to prioritise work and manage dependencies
• A genuine passion to deliver the right outcomes, with a bias for action and results

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

Apply now >