Vacancy Information

We are seeking a Senior Platform and Infrastructure Specialist who specialises in Cyber Security to support our organisation in delivering secure operations and continuous improvement in our cyber security posture.

In this role, you will collaborate with our Cyber Security Partner to monitor and respond to security events. Reporting to the Platform and Infrastructure Manager, you will work closely with the Technical and Product Leads to implement security initiatives and optimise tools.

Expertise in Microsoft Defender (MDE, MDI, MDCA, MDO365) and Microsoft Sentinel is key to enhancing detection and response capabilities. Experience with SIEM/SOAR tools and Microsoft Defender for IoT is a plus. If you’re passionate about cybersecurity and enjoy collaboration, we'd love for you to join our team.

We can offer you:

25 days (5 weeks) annual leave, pro-rated, increasing with service (in addition to bank holidays), plus 1 additional floating day

Management Bonus Scheme which is worth up to of your salary

Profit share: We want everyone to share in the success of the business, so we distribute 10% of our profits to all our employees who have at least 6-month service, or more, each year

Private Medical Insurance which is free for you and subsidised for your dependants

Permanent Health Insurance which is a replacement income scheme

You will automatically join our Greggs pension scheme which is a fantastic way to save for your retirement and allows you to benefit from employer contributions and tax advantages

Defined contribution management pension scheme

Death in service benefit which provides a lump-sum payment equal to 4 times your year’s salary

Colleague discount, up to 50% off our own-produced products

Share save schemes that let you buy discounted Greggs shares, by saving a set amount of money over a fixed time, to have an even bigger share of our profits

Career progression and learning and development

Employee Assistance Programme; A free, confidential helpline, offering advice and support with financial, relationship, work-related and wellbeing issues, 24 hours a day, 365 days a year. Including a mobile app providing a range of wellness content on physical, mental, social, and financial wellbeing

Perks and savings, such as digital gift card discounts, online cashback, in-store and online coupons and lifestyle offers

Cycle to Work scheme

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Colleague Networks – internal groups where colleagues and their allies can share their own experiences, offer feedback on the way we do things at Greggs, and provide support to one another

About the role

This is a full-time role, however flexibility in this will be considered We know that having a work-life balance is important, so we offer our colleagues as much flexibility as possible in line with the needs of their role The base location for this role isNewcastle Upon Tyne, ideally you'll live within one hour travel of this location

What you'll do

Serve as the technical authority for all cybersecurity matters within the Platform and Infrastructure team. Manage and maintain Azure Global Admin and Security Admin roles, ensuring robust security configurations and compliance. Lead the onboarding process for new solutions into our Cyber Security Partner’s Managed Detection and Response (MDR) services, ensuring seamless integration and operation. Serve as the point of contact for Business As Usual (BAU) security operations queries from our Cyber Security Partner, providing organisational context and support. Work closely with our Cyber Security Partner, who provides SOC/MDR service monitoring, alerting, and incident response. Ensure alignment and effective collaboration on security matters, including their delegated authority. Manage incident notification and escalation processes, ensuring stakeholders are informed and engaged as needed. Work under the direction of the Technical Lead and Product Lead in the Secure Operations (Safe and Secure Environments) Product workstream, who are accountable for the cyber security strategy. Execute security recommendations provided by the Recommendation Implementation Owner(s) to enhance our security posture. Oversee the Microsoft Sentinel instance as IT Service Owner, ensuring it meets organisational needs and internal requirements, while the Cyber Security Partner handles setup, day-to-day operations, utilisation and support of the SIEM.

About you

You will bring a proactive attitude, thrive in a creative and collaborative environment, and work effectively across teams and stakeholders.

As a lifelong learner, you’ll join us on a journey of continuous improvement, helping us become a high-performing, self-organising product team that uses adaptive planning to deliver innovative solutions.

You will focus on delivering outstanding service through scalable, secure, and resilient technology, while sharing knowledge to drive improvement across the product team.

You should have and be able to demonstrate:

Strong knowledge of Microsoft Defender (MDE, MDI, MDCA, MDO365). Experience with Microsoft Sentinel and SIEM/SOAR tooling. Extensive experience with Azure administration and security. Proven track record in incident management and response. Experience working with organisations to optimise security tooling/configuration using Microsoft 365 E5 licensing. Excellent communication and collaboration skills. A proactive, can-do attitude and enjoyment in contributing towards an adaptive, fun, and creative environment. Experience in building trust and highly effective working relationships with a diverse range of technical and non-technical stakeholders at all levels of the organisation.

It would be advantageous if you had any of the following:

Relevant certifications (, CISSP, CISM, Azure Security Engineer). Experience with Microsoft Defender for IoT. Microsoft Purview Data Governance experience. Microsoft Entra experience. Experience working closely with a Cyber Security Partner who utilises Microsoft SIEM/SOAR tooling.

About Greggs

Here at Greggs, we love what we do, and we have fun! What makes Greggs so special is our culture – the way we are, the way we behave and the way we support each other. We're hard-working, but above all else we're family; and it doesn't matter who you are, where you're from or what your favourite bake is, we’d love you to join us! We want everyone to feel welcome at Greggs and our colleagues to be able to be themselves at work, whatever their background, preferences, or views.