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This role requires 3 days working from our London Farringdon office, not WGC. We're looking for an exceptional Design Lead to lead the design strategy for our Customer Experience Horizontal (CXH) team, part of the broader Online Shopping UXDR function. As our Online Shopping business continues to grow across Grocery Home Delivery, Whoosh, F&F Clothing, and Marketplace, delivering a seamless, cohesive experience across propositions has never been more important. While proposition teams focus on creating outstanding experiences within their own domains, the CXH team is responsible for the experiences that connect them-ensuring customers experience one intuitive, joined-up shopping journey, regardless of how or where they shop. This is a highly strategic design leadership role. You'll define and evolve the shared customer experience across our app and web platforms, shaping the moments every customer interacts with-from the digital front door and homepage, through navigation and search, to the patterns and principles that create consistency at scale. Working closely with Product, Engineering, Research, Content Design, and our Design System team, you'll establish the design principles, interaction patterns, and UX standards that enable proposition teams to innovate while maintaining a cohesive, best-in-class customer experience. You'll also play a key role in defining the future of our shopping experience, balancing customer needs, commercial priorities, and emerging technologies-including AI-to ensure we continue to raise the quality and consistency of our digital experiences. You will be responsible for • Partnering with the Design Manager to define and deliver the UX strategy for the Customer Experience Horizontal (CXH) team across app and web platforms., • Owning the design vision for shared customer journeys and experiences that span multiple propositions., • Shaping the digital front door, information architecture, navigation, search, and other cross-platform experiences., • Defining and championing high-level UX principles, interaction patterns, and experience standards., • Partnering with the Design System team to ensure consistency between strategic UX patterns and reusable UI components., • Creating and evolving documentation, playbooks, and best practices that enable teams to deliver consistently high-quality experiences., • Collaborating with and influencing Design Leads across proposition teams to balance local optimisation with platform-wide consistency., • Working closely with Product and Engineering leaders to ensure customer experience remains a strategic consideration across roadmaps and delivery., • Using customer insights, data, and experimentation to continuously improve the end-to-end shopping experience., • Contributing hands‑on to complex, high-impact design initiatives from discovery and problem definition through to detailed design and delivery., • Working with the Accessibility Design Lead to champion accessibility and inclusive design, ensuring shared journeys and patterns meet the needs of diverse customers., • Partnering with the Design Manager to maintain high standards of design quality, providing guidance on interaction design, platform conventions, and technical execution through implementation., • Leading design critique sessions and fostering a culture of constructive feedback and continuous improvement., • Significant experience leading UX design strategy and delivering customer‑centred digital experiences across web and mobile platforms., • Strong expertise in user experience design, information architecture, navigation, interaction design, and customer journey mapping., • Experience designing and optimising end‑to‑end customer journeys that span multiple products, propositions, or teams., • A strong understanding of design systems and the relationship between UX patterns and reusable UI components., • Proven ability to influence stakeholders and collaborate effectively with Product, Engineering, Design, and Accessibility teams., • Experience using customer research, behavioural data, analytics, and experimentation to inform design decisions., • Excellent communication and storytelling skills, with the ability to articulate design rationale and build alignment across stakeholders., • Strong facilitation skills, including leading design critiques, workshops, and collaborative working sessions., • A passion for accessibility and inclusive design, with a solid understanding of accessibility principles and standards., • Experience creating frameworks, playbooks, and best‑practice guidance that support design quality and consistency at scale., • The ability to balance strategic thinking with hands‑on design execution in a fast‑paced environment., • A collaborative mindset and a commitment to delivering exceptional customer experiences., • Annual bonus scheme of up to 20% of base salary., • Holiday starting at 25 days plus a personal day (plus Bank holidays)., • Private medical insurance., • 26 weeks maternity and adoption leave (12 months service required at the qualifying date) at full pay, followed by 13 weeks of Statutory Maternity Pay or Statutory Adoption Pay, we also offer 6 weeks fully paid paternity leave., • Free 24/7 virtual GP service, Employee Assistance Programme (EAP) for you and your family, free access to a range of experts to support your mental wellbeing. #J-18808-Ljbffr

As a Security Engineer within Tesco’s Detection Engineering team, you will design and implement advanced security monitoring capabilities that proactively protect a global retail ecosystem serving millions of customers. This role is central to evolving Tesco’s cyber defence posture by deploying scalable, detection and prevention solutions. You will bridge foundational engineering, emerging architecture, embedding automation, innovation, and resilience into the organisation’s security fabric. Operating with a strong engineering mindset, you will help ensure threats are identified and mitigated before they impact customers or operations. As a Security Engineer within Tesco’s Detection Engineering team, you will design and implement advanced security monitoring capabilities that proactively protect a global retail ecosystem serving millions of customers. This role is central to evolving Tesco’s cyber defence posture by deploying scalable, detection and prevention solutions. You will bridge foundational engineering, emerging architecture, embedding automation, innovation, and resilience into the organisation’s security fabric. Operating with a strong engineering mindset, you will help ensure threats are identified and mitigated before they impact customers or operations. As a Security Engineer within Tesco’s Detection Engineering team, you will design and implement advanced security monitoring capabilities that proactively protect a global retail ecosystem serving millions of customers. This role is central to evolving Tesco’s cyber defence posture by deploying scalable, detection and prevention solutions. You will bridge foundational engineering, emerging architecture, embedding automation, innovation, and resilience into the organisation’s security fabric. Operating with a strong engineering mindset, you will help ensure threats are identified and mitigated before they impact customers or operations. • Engineer and deploy robust security controls and detection logic to proactively identify and mitigate cyber threats across Tesco’s technology landscape., • Apply secure, test-driven development principles to build resilient, maintainable, and scalable security solutions., • Leverage automation and Applied Artificial Intelligence (AI) to enhance detection accuracy, reduce false positives, and optimise response workflows., • Contribute to the hardening of cloud and enterprise environments through innovative detection and prevention mechanisms., • Work closely with Security Operations Centre (SOC), Threat Intelligence, and platform engineering teams to deliver integrated, customer-first security outcomes., • Actively learn from incidents, research emerging threats, and translate insights into improved detection coverage and engineering practices, fostering an inclusive and innovative team culture., • Demonstrable understanding of software development lifecycles, with hands-on exposure to programming and building production-grade solutions., • Experience applying secure coding practices and test-driven development approaches within an engineering or security context., • Practical exposure to security platforms (e.g., Security Information and Event Management (SIEM), Endpoint Detection and Response (EDR)) and their role in detection engineering., • Understanding of how custom detection rules, alerts, and telemetry are designed, tested, and implemented to identify malicious activity at scale. Able to reduce noise without impacting visibility, and to sustain detection quality over time,, • Evidence of strong curiosity and commitment to professional development, staying current with evolving threats and technologies., • Ability to work effectively within diverse, cross-functional teams, contributing to an inclusive and supportive engineering environment., • Solid critical thinking capability, with the ability to break down complex problems and deliver practical, scalable solutions., • Exposure to core technology platforms and retail technology environments., • Understanding of cloud and container security principles., • Experience in security evaluation, functionality testing, and validation of controls., • Familiarity with Applied Artificial Intelligence (AI) concepts in cyber defence., • Experience using tools such as Github, Jira, Zendesk, and xMatters for engineering workflow and operational collaboration., • Experience with a querying language such as SPL, KQL, SQL, etc. In a Security Environment., • Strong communication and influencing skills within technical teams., • Awareness of product methodologies and agile delivery approaches., • Exposure to technical security architecture concepts and data analytics for security., • Understanding of responsible AI governance and compliance principles. We’re all about the little helps. That’s why we make sure our Tesco colleague benefits package takes care of you – both in and out of work. • Annual bonus scheme of up to 20% of base salary., • Holiday starting at 25 days plus a personal day (plus Bank holidays)., • Private medical insurance., • 26 weeks maternity and adoption leave (12 months service required at the qualifying date) at full pay, followed by 13 weeks of Statutory Maternity Pay or Statutory Adoption Pay, we also offer 6 weeks fully paid paternity leave., • Free 24/7 virtual GP service, Employee Assistance Programme (EAP) for you and your family, free access to a range of experts to support your mental wellbeing. The above information is a shortened summary, refer to our policies for full details. You might know us as a supermarket, technology company or even for our award-winning mobile network. Truth is, we’re all of those things, and much more. Our colleagues work with one goal in mind, helping to make every day a little better for our customers, colleagues and communities all over the world. No two customers are the same, neither are our colleagues. At Tesco, we champion a balance that lets you thrive both in and out of work. Spend 60% of your week collaborating with colleagues at our office locations or local sites and the rest remotely. Whether you're just kicking off your career, juggling passions, or navigating big life events, we're here to support you. We always welcome a conversation about flexible working, so talk to us throughout your application about how we can support. We're proud to be an accredited Disability Confident Leader, where everyone’s welcome. That’s why we commit to providing a fully inclusive and accessible recruitment process. If you need support with your application, And if you're interested in joining our team but don't tick every box, don't let that hold you back from applying. #J-18808-Ljbffr

We are passionate about step changing our cyber security capability to better protect customers and colleagues across our global business, and we’re building an internal penetration testing function to complement and help further mature our defensive security capabilities. This new role challenges you to use your offensive skills to discover and demonstrate vulnerabilities and weaknesses in our systems. Tesco Technology has hundreds of software and infrastructure engineers deploying solutions at scale using many different technology stacks, from traditional on‑premise infrastructure to cloud‑centric containerised deployments. Working collaboratively with our developers is key to us identifying and addressing these findings, efficiently and at scale across Tesco. You will have the opportunity to help application teams remediate issues, to help infrastructure teams to build better supporting functions and to help improve our detection and response teams by proposing new detection ideas or providing your offensive security knowledge to aid in incident response. We believe that skilled and hard‑working people are our greatest asset in reducing cyber risk to our business and customers. We encourage and support continual development and recognise the importance of keeping up with the latest technology (as well as all the older stuff) and an evolving threat landscape. Are you up for this challenge? You’ll be working in an offensively trained and defensively focused security team. Your primary responsibility will be to deliver high‑quality security assessments in a variety of areas including web application, API, mobile, and infrastructure. But, unlike in a typical consultancy role, you’ll also have the advantage of being able to use internal knowledge, data sources and tools to help identify attack vectors and be able to test out your hypotheses. There will be other opportunities to stretch your skills: • You could work with our security engineers to refine and develop our detections, • Participate in purple teaming exercises carrying out wider assessments of our security posture, • Help triage and validate findings from our bug bounty program, • Triage and validate Tesco’s risk posture for newly released CVEs as part of vulnerability management We support our colleagues on their career development and provide time and opportunities throughout the year to carry out research, as well as training supported by us to ensure you continue to develop and innovate in offensive security. • Penetration testing experience performing authorised tests on computer systems, exposing weaknesses in security that potentially could be exploited., • GPEN, CREST, OSCP, OSEP or other industry relevant certifications are helpful but not crucial., • An understanding of operating system and networking fundamentals, and underlying principles., • Knowledge of preventative and detective controls (EDR, firewalls, IDS, IPS, anti‑virus, etc)., • Analytical and critical thinking skills, willingness to challenge status quo., • Good written and oral communication skills., • To be comfortable working both independently, and collaboratively in a diverse team. We’re all about the little helps. That’s why we make sure our Tesco colleague benefits package takes care of you – both in and out of work. Click Hereto find out more! • Annual bonus scheme of up to 20% of base salary, • Holiday starting at 25 days plus a personal day (plus Bank holidays), • Private medical insurance, • 26 weeks maternity and adoption leave (after 1 year’s service) at full pay, followed by 13 weeks of Statutory Maternity Pay or Statutory Adoption Pay, we also offer 4 weeks fully paid paternity leave, • Free 24/7 virtual GP service, Employee Assistance Programme (EAP) for you and your family, free access to a range of experts to support your mental wellbeing Our vision at Tesco is to become every customer’s favourite way to shop, whether they are at home or out on the move. Our core purpose is ‘Serving our customers, communities and planet a little better every day’. Serving means more than a transactional relationship with our customers. It means acting as a responsible and sustainable business for all stakeholders, for the communities we are part of and for the planet. We are proud to have an inclusive culture at Tesco where everyone truly feels able to be themselves. At Tesco, we not only celebrate diversity, but recognise the value and opportunity it brings. We're committed to creating a workplace where differences are valued, and make sure that all colleagues are given the same opportunities. We’re proud to have been accredited Disability Confident Leader and we’re committed to providing a fully inclusive and accessible recruitment process. For further information on the accessibility support we can offer, please click here. We’re a big business and we can offer a range of diverse full‑time & part‑time working patterns across our many business areas, which means that we can find something that works for you. We work in a more blended pattern – combining office and remote working. Our offices will continue to be where we connect, collaborate and innovate. If you are applying internally, please speak to the Hiring Manager about how this can work for you – Everyone is welcome at Tesco. #J-18808-Ljbffr

As a Senior Security Engineer in Tesco's Innovation Engineering team, you will pioneer next generation security capabilities that proactively protect a retail ecosystem serving millions of customers. You will combine deep engineering expertise with an innovation mindset to build production-grade solutions that leverage applied Artificial Intelligence (AI), automation, and modern development practices to strengthen Tesco’s cyber defence. This role sits at the point where ideas become real: you will design, build, test, and operationalise capabilities that measurably reduce risk and improve resilience. You will also act as a technical leader, setting engineering direction, raising standards, and influencing across diverse security and technology teams with a customer-first focus. In the immediate term, you will focus on the needs of our Cyber Threat Intelligence and Detection Engineering teams. This team operates as an innovation incubator for cyber defence capabilities: rapidly exploring ideas, validating them through prototypes and experiments, and ensuring the strongest concepts graduate into secure, reliable production services. Depending on the nature of the capability, ownership may either remain within this team or transition to the most appropriate long-term service owner once the solution is proven and operationally ready. You will work closely with our Security Automation Engineering team to build a shared roadmap of opportunities to deliver across Cyber Defence, ensuring we build and/or buy the best technologies to deliver our vision. • Architect and deliver innovative security capabilities: Design and build high impact security solutions that improve Tesco’s defensive posture, from concept through to production operation, with measurable outcomes., • Embed AI augmented security engineering: Apply AI and automation to accelerate and improve security outcomes (e.g., enrichment, reasoning support, detection ideation and improvement, general engineering productivity), ensuring solutions remain safe, explainable, and fit for operational use., • Lead modern engineering approaches for cyber defence: Use contemporary software development practices to turn ideas into secure, production-ready capabilities, with a focus on automation, experimentation, maintainability, and scale., • Champion engineering excellence: Establish secure, test-driven approaches, code quality standards, automated testing, version control discipline, and repeatable release patterns to ensure innovation is reliable and maintainable., • Share knowledge and inspire others: Showcase your work, build understanding, and foster excitement around the solutions you develop so innovation can scale beyond the team., • Validate effectiveness and resilience: Design evaluation strategies and functionality testing so controls work as intended, regressions are prevented, and defensive improvements are demonstrable over time., • Influence and enable change across teams: Collaborate with security and technology stakeholders to drive adoption of new capabilities, communicate trade offs clearly, and create inclusive ways of working that help teams succeed., • Demonstrable expertise in applied AI for cyber defence, including identifying high value use cases, translating them into engineering work, and delivering outcomes safely with human accountability and appropriate guardrails., • Exposure to technical AI architecture & implementation, with the ability to design, review, and refine AI enabled systems (data flows, model/tool selection, orchestration patterns, controls) without sacrificing security or operability., • Demonstrable understanding of technical security architecture, including producing and defending design decisions, selecting appropriate patterns, and anticipating operational and threat-driven failure modes and designing against them., • Strong programming capability, evidenced by building production grade tools, automations, or services with clear structure, maintainability, and secure engineering hygiene., • Demonstrable understanding of secure & test driven engineering, applying automated testing, secure design principles, and disciplined change control to protect reliability whilst enabling speed., • Strong capability in evaluating security solutions, including setting clear technical requirements and success criteria, assessing control effectiveness, and validating solutions against realistic operational and threat-informed conditions., • Demonstrable understanding of core cyber defence technology, including how telemetry, detection/response tooling, and automation ecosystems fit together to deliver measurable defensive outcomes., • Strong data analytics & insights capability, including selecting meaningful measures, analysing trends, and using evidence to prioritise work and communicate impact., • Strategic thinking & problem solving, balancing innovation with operational reality, and making sound decisions in ambiguous or fast moving contexts., • Communication & influencing, able to explain complex technical concepts to varied audiences, align stakeholders, and drive decisions and adoption., • Embracing and enabling change, demonstrating leadership through change, helping teams modernise practices and adopt new capabilities without destabilising delivery., • Curiosity, learning, and research mindset, actively exploring emerging technologies and adversary trends, then translating learning into practical, scalable engineering improvements., • Commitment to inclusion & belonging, with evidence of fostering supportive, psychologically safe engineering environments., • Awareness of AI governance, compliance, and responsible AI principles, including privacy, data protection, and risk management considerations., • Evidence of contributions to the profession (community involvement, publications, talks, mentoring, open-source work, or recognised learning achievements)., • Familiarity with Tesco’s core technology landscape and retail technology context, connecting technical risk to customer experience and operational continuity., • Demonstrable understanding of development lifecycle practices (planning → build → test → deploy → operate), especially in environments with CI/CD and automation., • Exposure to technical interviewing, supporting hiring through practical assessments and structured evaluation., • Experience managing backlogs and delivering iteratively using Jira and product delivery practices, with the ability to shape work around clear outcomes and evolving priorities., • Familiarity with and experience using operational collaboration tooling such as Zendesk & xMatters in the context of incident workflows and on call engagement. You might know us as a supermarket, technology company or even for our award-winning mobile network. Truth is, we’re all of those things, and much more. Our colleagues work with one goal in mind, helping to make every day a little better for our customers, colleagues and communities all over the world. No two customers are the same, neither are our colleagues. At Tesco, we champion a balance that lets you thrive both in and out of work. Spend 60% of your week collaborating with colleagues at our office locations or local sites and the rest remotely. Whether you're just kicking off your career, juggling passions, or navigating big life events, we're here to support you. We always welcome a conversation about flexible working, so talk to us throughout your application about how we can support. We're proud to be an accredited Disability Confident Leader, where everyone’s welcome. That’s why we commit to providing a fully inclusive and accessible recruitment process. If you need support with your application, click here for more information. And if you're interested in joining our team but don't tick every box, don't let that hold you back from applying. When you join us in this role, you'll be employed by Tesco Stores Limited, the Tesco legal entity responsible for your employment. #J-18808-Ljbffr

As a Security Engineer, you will use your knowledge and expertise to play a key role in defining, implementing, and enhancing capabilities to detect, prevent, and respond to security threats and incidents. You will enable a faster and more effective response by designing and implementing automated security processes. Our cyber security team are the eyes and ears of our organisation. We use pioneering technology to increase visibility and protection of systems, services, and data. To do this we need to stay ahead of the latest threats and continuously improve our tooling, techniques, and processes. We’re continually working to step change security capability to further improve the protection and controls that we offer for our customers and colleagues across the UK, Europe, and Asia. We believe that skilled and passionate people are our greatest asset in reducing risk to our business and customers. We encourage and support continual development and learning and recognise the importance of keeping up with changes in technology and an evolving threat landscape. • Defining, designing, and implementing security automations to enhance the capability to detect, prevent and respond to security threats and incidents by enabling a faster and more effective response., • Drive the security automation roadmap based on team feedback and through your own research, testing and development., • Work across multiple teams with analysts and engineers to improve workflows, enabling our colleagues to spend their time doing what they do best., • Design and develop security automations across SOAR platform and other security products and tooling., • Design and develop custom integrations with 3rd party tooling using REST APIs and Python development., • Work with existing security automation and platform engineers to improve upon existing playbooks and automations to ensure optimal platform performance., • Developing and running security processes day-to-day for the Tesco Group., • Proven hands‑on experience with Security Orchestration, Automation and Response (SOAR) platforms., • Proven hands‑on experience using Python for development., • Understanding of REST APIs and demonstrate ability to interact with 3rd party REST APIs., • Understanding of the MITRE ATT&CK framework (or equivalent) and emerging threat actor tactics, techniques, and procedures., • Demonstrable curiosity, passion, and proactive attitude to security and personal development., • Good interpersonal skills, and written and oral communications, self‑motivator., • Great teammate and independent worker, relationship builder., • Ability to collaborate closely with domain experts, key customers, and colleagues at all levels., • Desirable Certifications: Ideally one or more relevant certifications, such as: SANS SEC573, SEC598, SEC673., • Annual bonus scheme of up to 20% of base salary., • Holiday starting at 25 days plus a personal day (plus Bank holidays)., • Private medical insurance., • 26 weeks maternity and adoption leave (after 1 year’s service) at full pay, followed by 13 weeks of Statutory Maternity Pay or Statutory Adoption Pay; we also offer 6 weeks fully paid paternity leave., • Free 24/7 virtual GP service, Employee Assistance Programme (EAP) for you and your family, free access to a range of experts to support your mental wellbeing. #J-18808-Ljbffr

Clubcard has flown the flag for loyalty schemes since 1995 and we are busy transforming it into a truly digital programme. Our goal is for the millions of customers across the Tesco Group to express their relationship with Tesco and its partners through one simple feeling: I Love My Tesco Clubcard. It's one of the most exciting times to join the team as we define and build one of Britain’s largest loyalty programmes. The team is made up of experienced professionals, who are passionate about customers. We’re looking for a Product Manager to join the team who shares our ambition to make a difference to our customers. Product managers at Tesco are passionate about solving problems. They take accountability for complex and strategic products, and are empowered to drive the product strategy, roadmap and outcomes. Driven by curiosity and innovation, coupled with strong partnership with Business, Engineering, User Research and Analytics teams, our product managers create value for our customers and colleagues globally. Please reach out if you look for the customer angle amidst technical complexity, naturally unite stakeholders around a vision, and are unrelenting in delivering value that makes a real difference for customers. We want to hear from you. • Help evolve and drive the product vision, strategy and long-term roadmap for, • Tesco Loyalty, constantly managing my stakeholder’s expectations and working through dependencies across multiple products/teams as I execute them., • Accountable for the performance of my product and achieving the, • Objectives and Key Results (OKRs)., • Understand key user personas, customers & stakeholders for the product and their pain points., • Work as part of a cross functional squad, to deliver both short term priorities and long term vision., • Product discovery and collaborating with User Experience (UX) and Engineering teams to prototype and validate whether a minimum viable product (MVP) solves the targeted customer problem., • Effectively document and explain new requirements to the Engineering team using user stories with personas and acceptance criteria, helping them break down complex pieces of work/epics into smaller, deliverable chunks of value., • Steer planning sessions and work with Engineering to plan sprints and releases that deliver maximum business and customer value in least effort., • Run experiments against defined hypotheses to facilitate robust, data driven decisions on product enhancements and their impact on product outcomes., • Understand and demonstrate the features of the product to different audiences within and outside the immediate team., • Confidently present the product vision, OKRs and roadmap to the wider business., • Influence stakeholders in Product, Engineering and the wider business to embrace and adopt new ideas and improvements., • Proactively prioritise, coordinate and communicate the resolution of live product issues., • Product Management experience, preferably front end across both app & web., • Proven track record of owning and executing a product vision and backlog to achieve clear Objectives & Key Results (OKRs)., • Confidently led cross functional squads and stakeholders to deliver product enhancements and achieve objectives., • Accountability for complex product portfolios., • Hypothesis building, experimentation and A/B testing to enable data driven decisions., • Practical experience of user centered design and product development., • Ability to identify problems, opportunities and product improvements over and beyond business driven programmes., • Ability to work independently to achieve objectives. We’re all about the little helps. That’s why we make sure our Tesco colleague benefits package takes care of you – both in and out of work. Click here to find out more! • Annual bonus scheme of up to 20% of base salary, • Holiday starting at 25 days plus a personal day (plus Bank holidays), • Private medical insurance, • 26 weeks maternity and adoption leave (after 1 years’ service) at full pay, followed by 13 weeks of Statutory Maternity Pay or Statutory Adoption Pay, we also offer 6 weeks fully paid paternity leave, • Free 24/7 virtual GP service, Employee Assistance Programme (EAP) for you and your family, free access to a range of experts to support your mental wellbeing Our vision at Tesco is to become every customer's favourite way to shop, whether they are at home or out on the move. Our core purpose is ‘Serving our customers, communities and planet a little better every day’. Serving means more than a transactional relationship with our customers. It means acting as a responsible and sustainable business for all stakeholders, for the communities we are part of and for the planet. We are proud to have an inclusive culture at Tesco where everyone truly feels able to be themselves. At Tesco, we not only celebrate diversity, but recognise the value and opportunity it brings. We're committed to creating a workplace where differences are valued, and make sure that all colleagues are given the same opportunities. We’re proud to have been accredited Disability Confident Leader and we’re committed to providing a fully inclusive and accessible recruitment process. For further information on the accessibility support we can offer, please click here. We’re a big business and we can offer a range of diverse full-time & part-time working patterns across our many business areas, which means that we can find something that works for you. We work in a more blended pattern - combining office and remote working. Our offices will continue to be where we connect, collaborate and innovate. If you are applying internally, please speak to the Hiring Manager about how this can work for you - Everyone is welcome at Tesco. #J-18808-Ljbffr

As a Senior Security Engineer in Tesco’s Detection Engineering team, you will lead the technical design of security-first infrastructure and deliver high-impact engineering outcomes that protect a global retail ecosystem serving millions of customers. You will translate complex threat and risk signals into resilient, testable, and automated security capabilities across Tesco’s technology landscape. This role blends deep engineering leadership with a customer-first mindset: preventing disruption, safeguarding trust, and raising the bar on engineering quality across cyber defence. You will also mentor engineers and help shape an innovation agenda that strengthens Tesco’s ability to detect and withstand sophisticated cyber threats. • Design, build and deploy complex, high‑reliability security capabilities that offer proactive visibility into Tesco’s estate and materially reduce risk to customer services and operational continuity., • response integration), ensuring maintainable, scalable outcomes., • Champion secure, test‑driven engineering, including code quality, automated testing, peer review and repeatable delivery practices across the team., • Identify opportunities and pilot AI-assisted and automation-driven approaches that improve detection lifecycle effectiveness (e.g., faster development, tuning, and quality assurance), ensuring changes deliver measurable improvements rather than novelty, • Coach and support junior engineers, building confidence in modern development practices, problem-solving, and pragmatic security design decisions., • Work seamlessly with Security Operations, Threat Intelligence, platform teams and product/engineering stakeholders to deliver integrated defences—communicating clearly, influencing effectively, and fostering an inclusive, high‑performing culture., • and how to deliver production-grade solutions safely (from design through build, test, deploy, operate and improve)., • with evidence of writing clean, maintainable code or scripts and applying appropriate patterns for reliability, scalability, and operational support., • with evidence of having developed custom detections and familiarity on working with data in an at-scale product., • (threat-aware design, secure defaults, automated tests, and disciplined change control) and how these practices raise the quality bar across a team., • and how they underpin detection and response outcomes (e.g., telemetry sources, detection platforms, triage workflows, and response integration)., • fundamentals at scale—how to convert hypotheses about adversary behaviour into effective detections, how to reduce noise without impacting visibility, and how to sustain quality over time., • evidence of curiosity, continuous learning, and proactive professional development, including sharing knowledge and improving team practice., • proven ability to foster an environment where diverse perspectives are welcomed, engineers are supported, and collaboration is the default., • exposure to evaluating emerging techniques (including AI-assisted approaches) with sound judgement—balancing value, safety, and operational reality., • Exposure to a core technology landscape and strong retail technology awareness, including how customer journeys and store/online operations shape risk., • Demonstrable understanding of security evaluation and functionality testing, including validating controls and detections against expected outcomes., • Cloud & container security knowledge, including common control patterns and engineering approaches to hardening cloud-native services., • Applied AI for cyber defence familiarity (e.g., AI-assisted engineering, triage support, enrichment), and awareness of AI governance / responsible AI considerations., • Strong research habits and data-informed decision making (using insights to tune detections, prioritise engineering effort, and quantify improvements)., • Experience working with delivery and operational tooling such as GitHub & Jira, and incident collaboration tooling such as Zendesk & xMatters., • Experience with a querying language such as SPL, KQL, SQL etc. in a Security Environment., • Communication and influencing skills across engineering, product and security stakeholders; comfort guiding decisions under ambiguity and driving change., • Familiarity with product methodologies and security architecture concepts to help shape “secure‑by‑design” outcomes across teams. We’re all about the little helps. That’s why we make sure our Tesco colleague benefits package takes care of you – both in and out of work. • Annual bonus scheme of up to 20% of base salary., • Holiday starting at 25 days plus a personal day (plus Bank holidays)., • Private medical insurance., • 26 weeks maternity and adoption leave (12 months service required at the qualifying date) at full pay, followed by 13 weeks of Statutory Maternity Pay or Statutory Adoption Pay, we also offer 6 weeks fully paid paternity leave., • Free 24/7 virtual GP service, Employee Assistance Programme (EAP) for you and your family, free access to a range of experts to support your mental wellbeing., • This information is a shortened summary, refer to our policies for full details. You might know us as a supermarket, technology company or even for our award-winning mobile network. Truth is, we’re all of those things, and much more. Our colleagues work with one goal in mind, helping to make every day a little better for our customers, colleagues and communities all over the world. No two customers are the same, neither are our colleagues. At Tesco, we champion a balance that lets you thrive both in and out of work. Spend 60% of your week collaborating with colleagues at our office locations or local sites and the rest remotely. Whether you're just kicking off your career, juggling passions, or navigating big life events, we're here to support you. We always welcome a conversation about flexible working, so talk to us throughout your application about how we can support. We’re proud to be an accredited Disability Confident Leader, where everyone’s welcome. That’s why we commit to providing a fully inclusive and accessible recruitment process. #J-18808-Ljbffr

As a Security Engineer within Tesco’s Detection Engineering team, you will design and implement advanced security monitoring capabilities that proactively protect a global retail ecosystem serving millions of customers. This role is central to evolving Tesco’s cyber defence posture by deploying scalable, detection and prevention solutions. You will bridge foundational engineering, emerging architecture, embedding automation, innovation, and resilience into the organisation’s security fabric. Operating with a strong engineering mindset, you will help ensure threats are identified and mitigated before they impact customers or operations. • Engineer and deploy robust security controls and detection logic to proactively identify and mitigate cyber threats across Tesco’s technology landscape., • Apply secure, test-driven development principles to build resilient, maintainable, and scalable security solutions., • Leverage automation and Applied Artificial Intelligence (AI) to enhance detection accuracy, reduce false positives, and optimise response workflows., • Contribute to the hardening of cloud and enterprise environments through innovative detection and prevention mechanisms., • Work closely with Security Operations Centre (SOC), Threat Intelligence, and platform engineering teams to deliver integrated, customer-first security outcomes., • Actively learn from incidents, research emerging threats, and translate insights into improved detection coverage and engineering practices, fostering an inclusive and innovative team culture., • Demonstrable understanding of software development lifecycles, with hands-on exposure to programming and building production-grade solutions., • Experience applying secure coding practices and test-driven development approaches within an engineering or security context., • Practical exposure to security platforms (e.g., Security Information and Event Management (SIEM), Endpoint Detection and Response (EDR)) and their role in detection engineering., • Understanding of how custom detection rules, alerts, and telemetry are designed, tested, and implemented to identify malicious activity at scale. Able to reduce noise without impacting visibility, and to sustain detection quality over time,, • Evidence of strong curiosity and commitment to professional development, staying current with evolving threats and technologies., • Ability to work effectively within diverse, cross-functional teams, contributing to an inclusive and supportive engineering environment., • Solid critical thinking capability, with the ability to break down complex problems and deliver practical, scalable solutions., • Exposure to core technology platforms and retail technology environments., • Understanding of cloud and container security principles., • Experience in security evaluation, functionality testing, and validation of controls., • Familiarity with Applied Artificial Intelligence (AI) concepts in cyber defence., • Experience using tools such as Github, Jira, Zendesk, and xMatters for engineering workflow and operational collaboration., • Experience with a querying language such as SPL, KQL, SQL, etc. In a Security Environment., • Strong communication and influencing skills within technical teams., • Awareness of product methodologies and agile delivery approaches., • Exposure to technical security architecture concepts and data analytics for security., • Understanding of responsible AI governance and compliance principles. You might know us as a supermarket, technology company or even for our award-winning mobile network. Truth is, we’re all of those things, and much more. Our colleagues work with one goal in mind, helping to make every day a little better for our customers, colleagues and communities all over the world. No two customers are the same, neither are our colleagues. At Tesco, we champion a balance that lets you thrive both in and out of work. Spend 60% of your week collaborating with colleagues at our office locations or local sites and the rest remotely. Whether you're just kicking off your career, juggling passions, or navigating big life events, we're here to support you. We always welcome a conversation about flexible working, so talk to us throughout your application about how we can support. We're proud to be an accredited Disability Confident Leader, where everyone’s welcome. That’s why we commit to providing a fully inclusive and accessible recruitment process. If you need support with your application, click here for more information. And if you're interested in joining our team but don't tick every box, don't let that hold you back from applying. #J-18808-Ljbffr

As a Senior Security Engineer in Tesco’s Detection Engineering team, you will lead the technical design of security-first infrastructure and deliver high-impact engineering outcomes that protect a global retail ecosystem serving millions of customers. You will translate complex threat and risk signals into resilient, testable, and automated security capabilities across Tesco’s technology landscape. This role blends deep engineering leadership with a customer-first mindset: preventing disruption, safeguarding trust, and raising the bar on engineering quality across cyber defence. You will also mentor engineers and help shape an innovation agenda that strengthens Tesco’s ability to detect and withstand sophisticated cyber threats. • Design, build and deploy complex, high‑reliability security capabilities that offer proactive visibility into Tesco’s estate and materially reduce risk to customer services and operational continuity., • response integration), ensuring maintainable, scalable outcomes., • Champion secure, test‑driven engineering, including code quality, automated testing, peer review and repeatable delivery practices across the team., • Identify opportunities and pilot AI-assisted and automation-driven approaches that improve detection lifecycle effectiveness (e.g., faster development, tuning, and quality assurance), ensuring changes deliver measurable improvements rather than novelty, • Coach and support junior engineers, building confidence in modern development practices, problem-solving, and pragmatic security design decisions., • Work seamlessly with Security Operations, Threat Intelligence, platform teams and product/engineering stakeholders to deliver integrated defences—communicating clearly, influencing effectively, and fostering an inclusive, high‑performing culture., • and how to deliver production-grade solutions safely (from design through build, test, deploy, operate and improve)., • with evidence of writing clean, maintainable code or scripts and applying appropriate patterns for reliability, scalability, and operational support., • with evidence of having developed custom detections and familiarity on working with data in an at-scale product., • (threat-aware design, secure defaults, automated tests, and disciplined change control) and how these practices raise the quality bar across a team., • and how they underpin detection and response outcomes (e.g., telemetry sources, detection platforms, triage workflows, and response integration)., • fundamentals at scale—how to convert hypotheses about adversary behaviour into effective detections, how to reduce noise without impacting visibility, and how to sustain quality over time., • evidence of curiosity, continuous learning, and proactive professional development, including sharing knowledge and improving team practice., • proven ability to foster an environment where diverse perspectives are welcomed, engineers are supported, and collaboration is the default., • exposure to evaluating emerging techniques (including AI-assisted approaches) with sound judgement—balancing value, safety, and operational reality., • Exposure to a core technology landscape and strong retail technology awareness, including how customer journeys and store/online operations shape risk., • Demonstrable understanding of security evaluation and functionality testing, including validating controls and detections against expected outcomes., • Cloud & container security knowledge, including common control patterns and engineering approaches to hardening cloud-native services., • Applied AI for cyber defence familiarity (e.g., AI-assisted engineering, triage support, enrichment), and awareness of AI governance / responsible AI considerations., • Strong research habits and data-informed decision making (using insights to tune detections, prioritise engineering effort, and quantify improvements)., • Experience working with delivery and operational tooling such as GitHub & Jira, and incident collaboration tooling such as Zendesk & xMatters., • Experience with a querying language such as SPL, KQL, SQL etc. in a Security Environment., • Communication and influencing skills across engineering, product and security stakeholders; comfort guiding decisions under ambiguity and driving change., • Familiarity with product methodologies and security architecture concepts to help shape “secure‑by‑design” outcomes across teams. We’re all about the little helps. That’s why we make sure our Tesco colleague benefits package takes care of you – both in and out of work. • Annual bonus scheme of up to 20% of base salary., • Holiday starting at 25 days plus a personal day (plus Bank holidays)., • Private medical insurance., • 26 weeks maternity and adoption leave (12 months service required at the qualifying date) at full pay, followed by 13 weeks of Statutory Maternity Pay or Statutory Adoption Pay, we also offer 6 weeks fully paid paternity leave., • Free 24/7 virtual GP service, Employee Assistance Programme (EAP) for you and your family, free access to a range of experts to support your mental wellbeing., • This information is a shortened summary, refer to our policies for full details. You might know us as a supermarket, technology company or even for our award-winning mobile network. Truth is, we’re all of those things, and much more. Our colleagues work with one goal in mind, helping to make every day a little better for our customers, colleagues and communities all over the world. No two customers are the same, neither are our colleagues. At Tesco, we champion a balance that lets you thrive both in and out of work. Spend 60% of your week collaborating with colleagues at our office locations or local sites and the rest remotely. Whether you're just kicking off your career, juggling passions, or navigating big life events, we're here to support you. We always welcome a conversation about flexible working, so talk to us throughout your application about how we can support. We’re proud to be an accredited Disability Confident Leader, where everyone’s welcome. That’s why we commit to providing a fully inclusive and accessible recruitment process. #J-18808-Ljbffr

The validation team based at GSK’s research & development (R&D) site at Ware provide validation expertise across the site to ensure that GMP manufacturing equipment associated with the R&D site is correctly installed and qualified. We are now looking for a capable validation professional to join the team to support the Quality R&D Small Molecule function (the role reports into the Small Molecule R&D Quality Director). The Quality R&D Operations Validation Lead provides Quality Assurance oversight across GSK’s UK Pharma R&D sites to ensure compliant validation, qualification, and operational quality activities. The role works across Engineering, Facilities, Validation, R &D Operations, Scientific Functions, and outsourced service providers. Operating with a high degree of autonomy, you will provide expert guidance and risk-based decision-making on complex quality and compliance matters with regulatory and business impact. The position influences quality strategy, governance, and inspection readiness, ensuring alignment with GxP requirements, Quality Management System (QMS) expectations, and business aims. In delivering your role you will act as a key partner to senior stakeholders and operational partners; driving compliance, continuous improvement, and operational excellence while ensuring lifecycle oversight of facilities, utilities, equipment, and computerised systems. • Manage complex cross-functional QA-related projects and programmes, ensuring delivery against defined scope, timelines, and quality aims (particularly in support of regulatory inspections, high-risk compliance activities, and business-critical initiatives). This extends to implementing (and improving) QA processes and procedures to drive consistency across R&D., • Act as a co-ordinator for complex quality initiatives, working with cross-functional stakeholders, tracking progress, managing risks and dependencies, and ensuring successful execution. This extends to providing quality strategic oversight for business-critical programmes, making risk-based decisions and escalating significant compliance issues to senior management (where appropriate)., • Build strong relationships with internal stakeholders and external partners, acting as a primary contact for designated projects, programmes, or business areas. This includes managing (or supporting) regulatory inspections and audits (including planning, preparation, execution, and follow-up)., • Drive continuous improvement initiatives to ensure delivery through structured systems (including the provision of clear reporting of project status, risks, and key quality issues to senior stakeholders). Please note that some travel between GSK’s UK R&D sites (Ware R&D, Stevenage, Harlow & Addenbrookes, Cambridge) will be required. As this role is multi-faceted and includes liaising with a wide variety of on-site teams, you will be a self-motivated person who has experience of working in technical and/or validation roles within a complex working environment (eg; a R&D or manufacturing site). You will be resilient, with strong people skills and a proven ability to deliver and solve problems. You will also have a strong continuous improvement mindset. At GSK, we have bold ambitions for patients, aiming to positively impact the health of 2.5 billion people by the end of the decade. Our R&D focuses on discovering and delivering vaccines and medicines, combining our understanding of the immune system with cutting-edge technology to transform people’s lives. GSK fosters a culture ambitious for patients, accountable for impact, and committed to doing the right thing, making sure that we focus our efforts on accelerating significant assets that meet patients’ needs and have the highest probability of success. We’re uniting science, technology, and talent to get ahead of disease together. Find out more - our approach to R&D: en-gb/innovation/ Wednesday 28th of October 2026 (COB). BSc in relevant subject (eg; Scientific, Technical or Engineering discipline) or equivalent. Relevant experience in Quality Assurance (QA) within a GMP-regulated pharmaceutical, biotechnology, or healthcare environment. Strong knowledge of GMP/GxP requirements and regulatory expectations for major countries. Proven experience providing quality oversight of validation and qualification activities for facilities, utilities, and equipment. Experience of computerised systems validation would be helpful. Understanding of the application of phase appropriate GMP standards would be useful. • Data Integrity, • Detail-Oriented, • Digital Fluency, • GxP Regulations, • Influencing Without Authority, • Lean Management, • Pharmaceutical Regulatory Compliance, • Problem Solving, • Quality Assurance (QA), • Risk Awareness, • Technical Writing Uniting science, technology and talent to get ahead of disease together. GSK is a global biopharma company with a purpose to unite science, technology and talent to get ahead of disease together. We aim to positively impact the health of 2.5 billion people by the end of the decade, as a successful, growing company where people can thrive. We get ahead means preventing disease as well as treating it and we aim to impact health at scale. Our culture focused on patients, shareholders and empowerment makes our purpose. GSK is an Equal Opportunity Employer. This ensures that all qualified applicants will receive equal consideration for employment without regard to race, color, religion, sex (including pregnancy, gender identity, and sexual orientation), parental status, national origin, age, disability, genetic information (including family medical history), military service or any basis prohibited under federal, state or local law. We believe in an agile working culture for all our roles. If flexibility is important to you, we encourage you to explore with our hiring team what the opportunities are. Should you require any adjustments to our process to assist you in demonstrating your strengths and capabilities contact us at where you can also request a call. Please note should your enquiry not relate to adjustments, we will not be able to support you through these channels. However, we have created a Recruitment FAQ guide. If you share our ambition, join us at this exciting moment in our journey to get Ahead Together. Find out more on our career site. #J-18808-Ljbffr

As a Security Engineer within Tesco's Detection Engineering team, you will design and implement advanced security monitoring capabilities that proactively protect a global retail ecosystem serving millions of customers. This role is central to evolving Tesco's cyber defence posture by deploying scalable, detection and prevention solutions. You will bridge foundational engineering, emerging architecture, embedding automation, innovation, and resilience into the organisation's security fabric. Operating with a strong engineering mindset, you will help ensure threats are identified and mitigated before they impact customers or operations. What is in it for you We're all about the little helps. That's why we make sure our Tesco colleague benefits package takes care of you - both in and out of work. • Annual bonus scheme of up to 20% of base salary., • Holiday starting at 25 days plus a personal day (plus Bank holidays)., • Private medical insurance., • 26 weeks maternity and adoption leave (12 months service required at the qualifying date) at full pay, followed by 13 weeks of Statutory Maternity Pay or Statutory Adoption Pay, we also offer 6 weeks fully paid paternity leave., • Free 24/7 virtual GP service, Employee Assistance Programme (EAP) for you and your family, free access to a range of experts to support your mental wellbeing. The above information is a shortened summary, refer to our policies for full details You will be responsible for • Engineer and deploy robust security controls and detection logic to proactively identify and mitigate cyber threats across Tesco's technology landscape., • Apply secure, test-driven development principles to build resilient, maintainable, and scalable security solutions., • Leverage automation and Applied Artificial Intelligence (AI) to enhance detection accuracy, reduce false positives, and optimise response workflows., • Contribute to the hardening of cloud and enterprise environments through innovative detection and prevention mechanisms., • Work closely with Security Operations Centre (SOC), Threat Intelligence, and platform engineering teams to deliver integrated, customer-first security outcomes., • Actively learn from incidents, research emerging threats, and translate insights into improved detection coverage and engineering practices, fostering an inclusive and innovative team culture., • Demonstrable understanding of software development lifecycles, with hands-on exposure to programming and building production-grade solutions., • Experience applying secure coding practices and test-driven development approaches within an engineering or security context., • Practical exposure to security platforms (e.g., Security Information and Event Management (SIEM), Endpoint Detection and Response (EDR)) and their role in detection engineering., • Understanding of how custom detection rules, alerts, and telemetry are designed, tested, and implemented to identify malicious activity at scale. Able to reduce noise without impacting visibility, and to sustain detection quality over time,, • Evidence of strong curiosity and commitment to professional development, staying current with evolving threats and technologies., • Ability to work effectively within diverse, cross-functional teams, contributing to an inclusive and supportive engineering environment., • Solid critical thinking capability, with the ability to break down complex problems and deliver practical, scalable solutions., • Exposure to core technology platforms and retail technology environments., • Understanding of cloud and container security principles., • Experience in security evaluation, functionality testing, and validation of controls., • Familiarity with Applied Artificial Intelligence (AI) concepts in cyber defence., • Experience using tools such as Github, Jira, Zendesk, and xMatters for engineering workflow and operational collaboration., • Experience with a querying language such as SPL, KQL, SQL, etc. In a Security Environment., • Strong communication and influencing skills within technical teams., • Awareness of product methodologies and agile delivery approaches., • Exposure to technical security architecture concepts and data analytics for security., • Understanding of responsible AI governance and compliance principles. You might know us as a supermarket, technology company or even for our award-winning mobile network. Truth is, we're all of those things, and much more. Our colleagues work with one goal in mind, helping to make every day a little better for our customers, colleagues and communities all over the world. No two customers are the same, neither are our colleagues. At Tesco, we champion a balance that lets you thrive both in and out of work. Spend 60% of your week collaborating with colleagues at our office locations or local sites and the rest remotely. Whether you're just kicking off your career, juggling passions, or navigating big life events, we're here to support you. We always welcome a conversation about flexible working, so talk to us throughout your application about how we can support. #J-18808-Ljbffr

The Tesco Data Science team are looking for a Simulation Data Scientist to use simulation to help solve challenging problems across the business and our supply chain from supplier to shelf. At Tesco, our Data Science team focuses on modelling complex business problems and deploying data products at scale. Our work spans across multiple areas including physical stores, online, supply chain, marketing and Clubcard. This requires our Data Scientists to have an advanced understanding of statistics and algorithms. The team itself is made up of researchers and practitioners with varied backgrounds from both academia and the business world. You will develop and connect simulation models to help Tesco understand, evaluate and improve operations, including supply chain, and assess proposed changes before implementation. Working with experienced colleagues, you will contribute to distributed simulations that bring together models of different processes and systems, developing awareness of relevant interoperability standards and approaches. You will build models at different levels of fidelity, learning to choose the appropriate detail for the business question, available data and computing needs. The role will involve using operational data and scenario experiments to validate models, explore trade-offs and inform decisions. Follow agile delivery methods and contribute to continuous integration and delivery practices, including version control, automated testing and repeatable deployment, to help maintain reliable simulation tools. The position will be based in our Welwyn Garden City campus. • Working with colleagues to understand operational problems and agree what a simulation needs to represent, test and measure., • Building and maintaining simulation models using Python and relevant tools, drawing on simulation and data science skills., • Creating models at different levels of detail, with guidance on choosing an approach that balances accuracy, available data and computing needs., • Helping connect models so they can run together and exchange information, including across different tools or computers in distributed or federated simulation environments., • Developing awareness of the standards and approaches used to connect simulations and applying them with support from experienced colleagues., • Preparing and analysing operational data to set up models, identify gaps and represent real-world variation., • Checking that models work as intended and comparing their results with real-world data and feedback from operational experts., • Running repeatable experiments to assess proposed operational changes, including supply chain scenarios, and compare effects on capacity, cost, service and resource use., • Explaining findings clearly, including the assumptions made, uncertainty in results and limitations of the models., • Working in an agile team to plan and deliver tasks in manageable steps, respond to feedback and raise issues early., • Writing clear, maintainable code and contributing to code reviews, version control, automated testing and reliable software releases., • Taking responsibility for agreed tasks, asking for support when needed and developing technical skills., • Python programming, with the ability to write clear, structured and testable code., • Simulation modelling and an understanding of how to represent real-world processes at different levels of detail., • Data analysis and basic statistics to prepare model inputs, understand variation and interpret results., • An understanding of how separate models or software components can exchange data and work together., • Familiarity with version control, such as Git, and an awareness of automated testing and software delivery practices., • The ability to explain technical work clearly, document assumptions and work collaboratively., • An organised approach to solving problems, learning new methods and delivering tasks in an agile team., • Building or adapting simulation models, or using object oriented programming and data science methods to investigate real-world problems., • Working with data to develop, test or evaluate models and communicate findings., • A background in a quantitative subject, such as engineering, computer science, mathematics, physics, operational research, or equivalent practical experience., • Experience connecting simulations or working in distributed or federated environments would be particularly valuable., • Exposure to simulation interoperability standards, models with different levels of detail, or automated testing and deployment would be useful but is not essential. You might know us as a supermarket, technology company or even for our award-winning mobile network. Truth is, we’re all of those things, and much more. Our colleagues work with one goal in mind, helping to make every day a little better for our customers, colleagues and communities all over the world. No two customers are the same, neither are our colleagues. At Tesco, we champion a balance that lets you thrive both in and out of work. Spend 60% of your week collaborating with colleagues at our office locations or local sites and the rest remotely. Whether you're just kicking off your career, juggling passions, or navigating big life events, we're here to support you. We always welcome a conversation about flexible working, so talk to us throughout your application about how we can support. We're proud to be an accredited Disability Confident Leader, where everyone’s welcome. That’s why we commit to providing a fully inclusive and accessible recruitment process. When you join us in this role, you'll be employed by Tesco Stores Limited, the Tesco legal entity responsible for your employment. #J-18808-Ljbffr

As a Senior Security Engineer in Tesco's Innovation Engineering team, you will pioneer next generation security capabilities that proactively protect a retail ecosystem serving millions of customers. You will combine deep engineering expertise with an innovation mindset to build production-grade solutions that leverage applied Artificial Intelligence (AI), automation, and modern development practices to strengthen Tesco's cyber defence. This role sits at the point where ideas become real: you will design, build, test, and operationalise capabilities that measurably reduce risk and improve resilience. You will also act as a technical leader, setting engineering direction, raising standards, and influencing across diverse security and technology teams with a customer-first focus. In the immediate term, you will focus on the needs of our Cyber Threat Intelligence and Detection Engineering teams. This team operates as an innovation incubator for cyber defence capabilities: rapidly exploring ideas, validating them through prototypes and experiments, and ensuring the strongest concepts graduate into secure, reliable production services. Depending on the nature of the capability, ownership may either remain within this team or transition to the most appropriate long-term service owner once the solution is proven and operationally ready. You will work closely with our Security Automation Engineering team to build a shared roadmap of opportunities to deliver across Cyber Defence, ensuring we build and/or buy the best technologies to deliver our vision. • Annual bonus scheme of up to 20% of base salary., • Holiday starting at 25 days plus a personal day (plus Bank holidays)., • Private medical insurance., • 26 weeks maternity and adoption leave (12 months service required at the qualifying date) at full pay, followed by 13 weeks of Statutory Maternity Pay or Statutory Adoption Pay, we also offer 6 weeks fully paid paternity leave., • Free 24/7 virtual GP service, Employee Assistance Programme (EAP) for you and your family, free access to a range of experts to support your mental wellbeing., • Architect and deliver innovative security capabilities: Design and build high impact security solutions that improve Tesco's defensive posture, from concept through to production operation, with measurable outcomes., • Embed AI augmented security engineering: Apply AI and automation to accelerate and improve security outcomes (e.g., enrichment, reasoning support, detection ideation and improvement, general engineering productivity), ensuring solutions remain safe, explainable, and fit for operational use., • Lead modern engineering approaches for cyber defence: Use contemporary software development practices to turn ideas into secure, production-ready capabilities, with a focus on automation, experimentation, maintainability, and scale., • Champion engineering excellence: Establish secure, test-driven approaches, code quality standards, automated testing, version control discipline, and repeatable release patterns to ensure innovation is reliable and maintainable., • Share knowledge and inspire others: Showcase your work, build understanding, and foster excitement around the solutions you develop so innovation can scale beyond the team., • Validate effectiveness and resilience: Design evaluation strategies and functionality testing so controls work as intended, regressions are prevented, and defensive improvements are demonstrable over time., • Influence and enable change across teams: Collaborate with security and technology stakeholders to drive adoption of new capabilities, communicate trade offs clearly, and create inclusive ways of working that help teams succeed., • Demonstrable expertise in applied AI for cyber defence, including identifying high value use cases, translating them into engineering work, and delivering outcomes safely with human accountability and appropriate guardrails., • Exposure to technical AI architecture & implementation, with the ability to design, review, and refine AI enabled systems (data flows, model/tool selection, orchestration patterns, controls) without sacrificing security or operability., • Demonstrable understanding of technical security architecture, including producing and defending design decisions, selecting appropriate patterns, and anticipating operational and threat-driven failure modes and designing against them., • Strong programming capability, evidenced by building production grade tools, automations, or services with clear structure, maintainability, and secure engineering hygiene., • Demonstrable understanding of secure & test driven engineering, applying automated testing, secure design principles, and disciplined change control to protect reliability whilst enabling speed., • Strong capability in evaluating security solutions, including setting clear technical requirements and success criteria, assessing control effectiveness, and validating solutions against realistic operational and threat-informed conditions., • Demonstrable understanding of core cyber defence technology, including how telemetry, detection/response tooling, and automation ecosystems fit together to deliver measurable defensive outcomes., • Strong data analytics & insights capability, including selecting meaningful measures, analysing trends, and using evidence to prioritise work and communicate impact., • Strategic thinking & problem solving, balancing innovation with operational reality, and making sound decisions in ambiguous or fast moving contexts., • Communication & influencing, able to explain complex technical concepts to varied audiences, align stakeholders, and drive decisions and adoption., • Embracing and enabling change, demonstrating leadership through change, helping teams modernise practices and adopt new capabilities without destabilising delivery., • Curiosity, learning, and research mindset, actively exploring emerging technologies and adversary trends, then translating learning into practical, scalable engineering improvements., • Commitment to inclusion & belonging, with evidence of fostering supportive, psychologically safe engineering environments., • Awareness of AI governance, compliance, and responsible AI principles, including privacy, data protection, and risk management considerations., • Evidence of contributions to the profession (community involvement, publications, talks, mentoring, open-source work, or recognised learning achievements)., • Familiarity with Tesco's core technology landscape and retail technology context, connecting technical risk to customer experience and operational continuity., • Demonstrable understanding of development lifecycle practices (planning build test deploy operate), especially in environments with CI/CD and automation., • Exposure to technical interviewing, supporting hiring through practical assessments and structured evaluation., • Experience managing backlogs and delivering iteratively using Jira and product delivery practices, with the ability to shape work around clear outcomes and evolving priorities., • Familiarity with and experience using operational collaboration tooling such as Zendesk & xMatters in the context of incident workflows and on call engagement. You might know us as a supermarket, technology company or even for our award-winning mobile network. Truth is, we're all of those things, and much more. Our colleagues work with one goal in mind, helping to make every day a little better for our customers, colleagues and communities all over the world. No two customers are the same, neither are our colleagues. At Tesco, we champion a balance that lets you thrive both in and out of work. Spend 60% of your week collaborating with colleagues at our office locations or local sites and the rest remotely. Whether you're just kicking off your career, juggling passions, or navigating big life events, we're here to support you. We always welcome a conversation about flexible working, so talk to us throughout your application about how we can support. We're proud to be an accredited Disability Confident Leader, where everyone's welcome. That's why we commit to providing a fully inclusive and accessible recruitment process. When you join us in this role, you'll be employed by Tesco Stores Limited, the Tesco legal entity responsible for your employment. #J-18808-Ljbffr

And beyond your day‑to‑day work, you’ll be a champion for data science—sharing your knowledge within Tesco and representing us proudly in the wider data science community. Specialist knowledge of a technical Data Science domain, preferably in Operations Research and Simulations, or other dom

You will own data workflows, clean and normalise data, and ensure high data quality across pricing and reference datasets. Qube Research & Technologies is seeking a data-focused professional to support Quant Researchers, Traders and stakeholders across the firm. The role centers on designing and dev

The role spans new tool development, support for analyst-led projects, cloud infrastructure, data pipelines and public-facing web. The Aviation Impact Accelerator (AIA) at the University of Cambridge is seeking a Senior Research Software Engineer to join our team at Whittle Laboratory in West Cambri

The Aviation Impact Accelerator (AIA) at the University of Cambridge invites applications for a Senior Research Software Engineer to join the Whittle Laboratory in West Cambridge. You will lead efforts to develop scientific software, infrastructure and interactive tools underpinning aviation researc

The role focuses on designing and developing financial datasets that support systematic strategies and trading decisions, with particular emphasis on market data, pricing datasets and reference data. Experience working with market data platforms and APIs from providers such as Bloomberg or LSEG is b

Seeking a full-time Research and Data Analyst to support research, communications, partnerships, and client work for a UK-based agency focused on building a more united society.

They are looking to recruit a Senior Data Re. Work on complex RF signal data for defence and security applications.

Market research companies that partner with us will use questionnaires to identify and target certain types of consumers, to ensure that the right participants are engaged and to achieve the representative sample needed. There are times when the product being tested may be discussed in a private cha

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Earn from paid tasks, market research, paid surveys and paid emails.

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You will cover skills such as data mining, manipulating data, visualising data, and reporting on data. Business Analysts and Data Analysts often work very closely together and indeed many Data Analysts become Business Analysts and vice versa. Learn SQL - the programming language used for extracting

Earn from paid tasks, market research, paid surveys and paid emails.

Earn from paid tasks, market research, paid surveys and paid emails.

You will cover skills such as data mining, manipulating data, visualising data, and reporting on data. Business Analysts and Data Analysts often work very closely together and indeed many Data Analysts become Business Analysts and vice versa. Learn SQL - the programming language used for extracting

You will cover skills such as data mining, manipulating data, visualising data, and reporting on data. Learn SQL - the programming language used for extracting data from more complex databases. Business Analysts and Data Analysts often work very closely together and indeed many Data Analysts become

Earn from paid tasks, market research, paid surveys and paid emails.

Earn from paid emails, paid surveys, data entry, market research and more. Our members come from a variety of backgrounds including administration, management, social care, sales, HR, customer service, tech, marketing, advertising, driving, security, data entry, council, farm, marketing, finance, re

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