{"id":2843371,"url":"https://alion.io/job/ocado-group-data-engineer","title":"Data Engineer","company":{"id":51471,"name":"Ocado Group","domain":"ocadogroup.com","url":"https://alion.io/company/ocado-group","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":78,"open_postings":20,"ghost_share":0.05,"stale_share":0.75,"repost_share":0.05,"time_to_fill_p50_days":45,"computed_at":"2026-10-23T05:54:15Z"}},"role":"Data Science","role_family":"Data Science","seniority":null,"employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Hatfield, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":66000,"max_usd":151000,"period":"year","method":"role_country_seniority_unknown","sample_n":183},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"CI/CD","optional":false},{"name":"dbt","optional":false},{"name":"ETL/ELT","optional":false},{"name":"Git","optional":false},{"name":"Machine Learning","optional":false},{"name":"Python","optional":false},{"name":"SQL","optional":false},{"name":"Google BigQuery","optional":true},{"name":"Grafana","optional":true},{"name":"Terraform","optional":true}],"status":"live","first_seen_at":"2026-10-19T09:42:57Z","employer_posted_date":"2026-10-19","last_verified_at":"2026-10-23T12:46:20Z","board_verified":true,"closed_at":null,"days_open":4,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":4},"description":"Data Engineer (Modelling & Transformation)| Hybrid Working | Hatfield\nIntroduction:\nWe are Ocado Group, and we're bringing world-class automation to online grocery. Our Ocado Smart Platform (OSP) combines cutting-edge robotics, AI, and IoT within our advanced CFCs (Customer Fulfilment Centres). We've mastered the single pick, transforming online delivery for our global partners. Join us and be part of a team pushing the boundaries of retail technology.\nAbout the Role:\nAs a Data Engineer within our Data Engineering Modelling and Transformation team, you will be directly responsible for building and maintaining the foundational data warehouse that powers analytics, reporting, machine learning, and partner data products across Ocado Technology. In this role, you will transform raw operational data into trusted, governed, and business-ready datasets that drive strategic and operational decision-making across the entire organisation.\nWorking in an agile environment, you will collaborate closely with data scientists, analysts, product owners, and platform engineers to deliver high-quality data feeds and scalable transformation frameworks. You will focus on designing reliable ELT/ETL pipelines, establishing rigorous data quality controls, and optimizing performance across our cloud data warehouse infrastructure to ensure seamless downstream data delivery for all enterprise consumers.\nKey Responsibilities:\nResponsible for building and maintaining the core data warehouse that powers analytics, reporting, machine learning, and partner data products.\n\nDesign, develop, and maintain scalable, reliable ELT/ETL pipelines across enterprise data solutions.\n\nBuild and optimise dimensional and analytical data models to meet complex business reporting and analytics needs.\n\nDevelop and maintain reusable data transformation logic using modern software engineering best practices.\n\nImplement automated data quality checks, pipeline monitoring, and testing frameworks to ensure data reliability.\n\nCollaborate with analysts, data scientists, product teams, and platform engineers to deliver secure, business-ready datasets.\n\nMonitor, troubleshoot, and optimise pipeline performance to continuously improve efficiency and operational resilience.\n\nParticipate in code reviews and actively contribute to continuous improvements in team engineering standards.\n\nProduce clear documentation and foster knowledge sharing across the data engineering craft.\n\nWhat We’re Looking For:\nEssential\nProven experience developing ELT/ETL pipelines and working with data transformation frameworks such as dbt.\n\nStrong SQL skills and a solid understanding of programming fundamentals in Python, SQL, or standard query languages.\n\nHands-on experience using Git and CI/CD workflows.\n\nStrong analytical, problem-solving, and clear communication skills with a collaborative mindset.\n\nDegree in Computer Science, Data Science, Software Engineering, Mathematics, or equivalent practical experience.\n\nSolid understanding of core data concepts, including data storage, transformation, and analysis.\n\nNice to Haves\nPractical experience writing Python for data engineering workloads.\n\nExperience working with modern cloud data warehouses, ideally Google BigQuery.\n\nPractical understanding of dimensional data modelling principles.\n\nExperience using tools in our tech stack such as Airflow, Terraform, or Grafana.\n\nPrevious experience working within Agile delivery teams.\n\nBenefits:\nWe believe in supporting our people with meaningful, flexible benefits that prioritise well-being and work-life balance. Here’s a snapshot of what you can expect:\nTime to recharge:\n25 days annual leave (rising to 27 after 5 years), plus the option to buy more - and 30 days a year to work from anywhere in the world.\nHealth & wellbeing:\nPrivate Medical Insurance from your first month, wellbeing support through specialist apps and EAP, plus Income Protection and Life Assurance.\nFamily-first policies:\n22 weeks paid maternity/primary carer leave and 6 weeks paid paternity leave\nFinancial support:\nPension with employer matching up to 7%, share schemes (Sharesave & BAYE), and interest-free loans for train tickets.\nCommuter perks:\nCycle to Work Scheme and free shuttle buses to/from Hatfield and Welwyn Garden City stations.\nExclusive discounts:\n15% off at Ocado.com with free delivery (starting in yourfirst month).\nBe bold, be unique, be brilliant, be you. We are looking for individuality and we value diversity. We are an equal opportunities employer and we are committed to treating all applicants and employees fairly and equally. We are committed to making reasonable adjustments to provide a positive, barrier-free recruitment process and supportive work environment. If you have any support or access requirements, we encourage you to advise us at the time of application.","description_format":"text","description_chars":4843,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Annual leave","Health insurance","Hybrid work"],"hiring_locations":[{"name":"United Kingdom","iso":"GB","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Logistics & Warehouse Robotics","Online Groceries","Supply Chain & Logistics Software"],"lifecycle":[{"event":"open","at":"2026-10-19T10:02:49Z"}],"visa":[],"liveness":{"score":63,"band":"ok","label":"Likely open","p_open":1,"p_active":0.632,"p_room":1,"age_days":3,"expected_fill_days":45,"reasons":["conf:2","stale_co","velocity","win:early"],"computed_at":"2026-10-23T05:54:15Z"},"pay":null,"html_url":"https://alion.io/job/ocado-group-data-engineer","json_url":"https://alion.io/job/ocado-group-data-engineer.json","meta":{"generated_at":"2026-10-23T12:59:41Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":19288,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-24T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":51471},"rest":"https://alion.io/mcp/rest/get_company?id=51471"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Focado-group-data-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Focado-group-data-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Focado-group-data-engineer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/ocado-group-data-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Focado-group-data-engineer"}]}