{"id":197321,"date":"2026-03-06T16:07:36","date_gmt":"2026-03-06T16:07:36","guid":{"rendered":"https:\/\/www.harnham.com\/job\/e1aeb1da-8723-4ba1-d23d-08d5948a7341-data-wrangler-contract-london\/"},"modified":"2026-03-09T20:44:13","modified_gmt":"2026-03-09T20:44:13","slug":"e1aeb1da-8723-4ba1-d23d-08d5948a7341-data-wrangler-contract-london","status":"publish","type":"job_listing","link":"https:\/\/www.harnham.com\/job\/e1aeb1da-8723-4ba1-d23d-08d5948a7341-data-wrangler-contract-london\/","title":{"rendered":"Data Wrangler (Contract)"},"content":{"rendered":"<h4><strong><a id=\"myCustomID\" href=\"https:\/\/www.harnham.com\/job\/E1AEB1DA-8723-4BA1-D23D-08D5948A7341\">To Apply for this Job Click Here<\/a><\/strong><\/h4>\n<h2 data-end=\"283\" data-start=\"228\" data-section-id=\"5tt7tw\">London (Hybrid &#8211; 2-3 days onsite)<\/h2>\n<p data-start=\"284\" data-end=\"425\">\u00a3600-\u00a3700 per day | Inside IR35<br data-start=\"359\" data-end=\"362\" \/> Initial contract until June with strong extension potential<\/p>\n<p data-end=\"639\" data-start=\"427\">Harnham are supporting a large-scale transformation programme within a global transport and logistics group, as they continue to scale their data and AI capabilities across multiple operational functions.<\/p>\n<p data-end=\"842\" data-start=\"641\">This role sits within a high-impact transformation team focused on building analytical products and optimisation solutions to improve complex operational processes and supply chain performance.<\/p>\n<p data-start=\"844\" data-end=\"999\">The team is delivering data-driven solutions across operational domains, with the long-term goal of scaling these products across other business units.<\/p>\n<hr \/ data-end=\"1004\" data-start=\"1001\">\n<h1 data-end=\"1016\" data-section-id=\"qpr2a3\" data-start=\"1006\">The Role<\/h1>\n<p data-start=\"1018\" data-end=\"1188\">This position bridges data engineering and analytics, focusing on preparing, analysing, and validating data before it feeds into a cloud-based analytics platform.<\/p>\n<p data-start=\"1190\" data-end=\"1316\">You will transform complex operational datasets into actionable insights and dashboards, supporting rapid decision-making.<\/p>\n<p data-start=\"1318\" data-end=\"1491\">The environment is highly collaborative, with analysts and engineers problem-solving together to tackle complex operational challenges and deliver high-value prototypes.<\/p>\n<hr data-start=\"1493\" data-end=\"1496\" \/>\n<h1 data-end=\"1520\" data-section-id=\"ls18e3\" data-start=\"1498\">Key Responsibilities<\/h1>\n<ul data-end=\"2041\" data-start=\"1522\">\n<li data-end=\"1581\" data-section-id=\"15htw7o\" data-start=\"1522\">\n<p data-end=\"1581\" data-start=\"1524\">Analyse and prepare datasets prior to ETL ingestion<\/p>\n<\/li>\n<li data-end=\"1675\" data-start=\"1582\" data-section-id=\"i7h3tk\">\n<p data-end=\"1675\" data-start=\"1584\">Work with SQL, Python, and Snowflake to explore, clean, and validate operational data<\/p>\n<\/li>\n<li data-end=\"1748\" data-start=\"1676\" data-section-id=\"q1pme4\">\n<p data-start=\"1678\" data-end=\"1748\">Build prototypes and MVP dashboards to demonstrate value quickly<\/p>\n<\/li>\n<li data-end=\"1831\" data-start=\"1749\" data-section-id=\"1j23r5q\">\n<p data-end=\"1831\" data-start=\"1751\">Collaborate with analytics and optimisation teams on modelling initiatives<\/p>\n<\/li>\n<li data-end=\"1910\" data-section-id=\"2klqlm\" data-start=\"1832\">\n<p data-start=\"1834\" data-end=\"1910\">Deliver clear visualisations and insights for operational stakeholders<\/p>\n<\/li>\n<li data-end=\"1966\" data-start=\"1911\" data-section-id=\"l5g24n\">\n<p data-start=\"1913\" data-end=\"1966\">Identify data issues and ensure trustworthiness<\/p>\n<\/li>\n<li data-end=\"2041\" data-section-id=\"pekwtr\" data-start=\"1967\">\n<p data-start=\"1969\" data-end=\"2041\">Support optimisation of resource planning, logistics, and operations<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"2043\" \/ data-end=\"2046\">\n<h1 data-section-id=\"x35kzg\" data-start=\"2048\" data-end=\"2069\">Skills &amp; Experience<\/h1>\n<p data-end=\"2084\" data-start=\"2071\">Required:<\/p>\n<ul data-end=\"2429\" data-start=\"2086\">\n<li data-end=\"2122\" data-section-id=\"1hmwmaw\" data-start=\"2086\">\n<p data-end=\"2122\" data-start=\"2088\">Strong SQL and Python skills<\/p>\n<\/li>\n<li data-end=\"2187\" data-start=\"2123\" data-section-id=\"19js8kb\">\n<p data-end=\"2187\" data-start=\"2125\">Experience with Snowflake or modern cloud data platforms<\/p>\n<\/li>\n<li data-end=\"2243\" data-start=\"2188\" data-section-id=\"59wi52\">\n<p data-end=\"2243\" data-start=\"2190\">Experience preparing and analysing data pre-ETL<\/p>\n<\/li>\n<li data-section-id=\"e5vool\" data-start=\"2244\" data-end=\"2340\">\n<p data-end=\"2340\" data-start=\"2246\">Experience building dashboards or visualisations (Power BI, Tableau, Looker, or similar)<\/p>\n<\/li>\n<li data-end=\"2429\" data-start=\"2341\" data-section-id=\"1opnvei\">\n<p data-end=\"2429\" data-start=\"2343\">Strong analytical mindset with the ability to translate data into business value<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2431\" data-end=\"2445\">Preferred:<\/p>\n<ul data-end=\"2605\" data-start=\"2447\">\n<li data-section-id=\"3pvqt3\" data-start=\"2447\" data-end=\"2487\">\n<p data-end=\"2487\" data-start=\"2449\">Experience with AWS environments<\/p>\n<\/li>\n<li data-end=\"2534\" data-start=\"2488\" data-section-id=\"pbtuba\">\n<p data-end=\"2534\" data-start=\"2490\">Familiarity with modern ETL frameworks<\/p>\n<\/li>\n<li data-start=\"2535\" data-section-id=\"km89zg\" data-end=\"2605\">\n<p data-start=\"2537\" data-end=\"2605\">Experience collaborating with data science or optimisation teams<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"2607\" data-end=\"2610\" \/>\n<h1 data-section-id=\"gz94l4\" data-start=\"2612\" data-end=\"2631\">Candidate Profile<\/h1>\n<p data-start=\"2633\" data-end=\"2661\">The ideal candidate will be:<\/p>\n<ul data-start=\"2663\" data-end=\"2894\">\n<li data-start=\"2663\" data-section-id=\"7krir5\" data-end=\"2702\">\n<p data-end=\"2702\" data-start=\"2665\">Highly analytical and proactive<\/p>\n<\/li>\n<li data-end=\"2761\" data-start=\"2703\" data-section-id=\"1i8deg4\">\n<p data-start=\"2705\" data-end=\"2761\">Comfortable in fast-moving, ambiguous environments<\/p>\n<\/li>\n<li data-end=\"2818\" data-section-id=\"1dlknxi\" data-start=\"2762\">\n<p data-start=\"2764\" data-end=\"2818\">Able to turn imperfect data into usable insights<\/p>\n<\/li>\n<li data-end=\"2894\" data-start=\"2819\" data-section-id=\"kiq3t5\">\n<p data-start=\"2821\" data-end=\"2894\">Confident communicating with stakeholders across multiple functions<\/p>\n<\/li>\n<\/ul>\n<hr \/ data-end=\"2899\" data-start=\"2896\">\n<h1 data-start=\"2901\" data-section-id=\"1qm03pj\" data-end=\"2927\">Why Join This Programme?<\/h1>\n<ul data-end=\"3226\" data-start=\"2929\">\n<li data-start=\"2929\" data-section-id=\"1f8gz1j\" data-end=\"2989\">\n<p data-end=\"2989\" data-start=\"2931\">Work on a major operational transformation programme<\/p>\n<\/li>\n<li data-end=\"3067\" data-start=\"2990\" data-section-id=\"10ngcfz\">\n<p data-end=\"3067\" data-start=\"2992\">Build analytics products that directly influence high-value decisions<\/p>\n<\/li>\n<li data-start=\"3068\" data-section-id=\"15mbfqw\" data-end=\"3154\">\n<p data-end=\"3154\" data-start=\"3070\">Collaborate with cross-functional analytics, engineering, and operations teams<\/p>\n<\/li>\n<li data-end=\"3226\" data-section-id=\"1fyp70z\" data-start=\"3155\">\n<p data-end=\"3226\" data-start=\"3157\">Opportunity for long-term contract extensions and future projects<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"3228\" data-end=\"3231\" \/>\n<p data-end=\"3253\" data-start=\"3233\"> Interested?<\/p>\n<p data-end=\"3351\" data-start=\"3255\">Apply via Harnham or contact us directly for a confidential discussion about this opportunity.<\/p>\n<p><img src=https:\/\/counter.adcourier.com\/T2xpdmlhS2F2YXlhU2F2YWdlLjMwMjIzLjEzMTk3QGhhcm5oYW1zZWFyY2guYXBsaXRyYWsuY29t.gif><\/p>\n<h4><strong><a id=\"otherId\" href=\"https:\/\/www.harnham.com\/job\/E1AEB1DA-8723-4BA1-D23D-08D5948A7341\">To Apply for this Job Click Here<\/a><\/strong><\/h4>\n","protected":false},"author":0,"featured_media":0,"template":"","meta":{"_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"","_relevanssi_noindex_reason":"","inline_featured_image":false,"_promoted":"","_job_location":"London","_application":"","_company_name":"Harnham","_company_website":"https:\/\/www.harnham.com\/","_company_tagline":"","_company_twitter":"","_company_video":"","_filled":0,"_featured":0,"_remote_position":0,"_job_salary":"","_job_salary_currency":"","_job_salary_unit":""},"job-categories":[924],"job-types":[12],"class_list":{"0":"post-197321","1":"job_listing","2":"type-job_listing","3":"status-publish","4":"hentry","6":"job-type-contract"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Data Wrangler (Contract) London<\/title>\n<meta name=\"description\" content=\"Data Wrangler (Contract) London\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.harnham.com\/job\/e1aeb1da-8723-4ba1-d23d-08d5948a7341-data-wrangler-contract-london\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Data Wrangler (Contract) London\" \/>\n<meta property=\"og:description\" content=\"Data Wrangler (Contract) London\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.harnham.com\/job\/e1aeb1da-8723-4ba1-d23d-08d5948a7341-data-wrangler-contract-london\/\" \/>\n<meta property=\"og:site_name\" content=\"Harnham\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-09T20:44:13+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.harnham.com\/wp-content\/uploads\/2025\/02\/Harnham.gif\" \/>\n\t<meta property=\"og:image:width\" content=\"200\" \/>\n\t<meta property=\"og:image:height\" content=\"200\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Data Wrangler (Contract) London\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Data Wrangler (Contract) London","description":"Data Wrangler (Contract) London","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.harnham.com\/job\/e1aeb1da-8723-4ba1-d23d-08d5948a7341-data-wrangler-contract-london\/","og_locale":"en_US","og_type":"article","og_title":"Data Wrangler (Contract) London","og_description":"Data Wrangler (Contract) London","og_url":"https:\/\/www.harnham.com\/job\/e1aeb1da-8723-4ba1-d23d-08d5948a7341-data-wrangler-contract-london\/","og_site_name":"Harnham","article_modified_time":"2026-03-09T20:44:13+00:00","og_image":[{"width":200,"height":200,"url":"https:\/\/www.harnham.com\/wp-content\/uploads\/2025\/02\/Harnham.gif","type":"image\/png"}],"twitter_card":"summary_large_image","twitter_title":"Data Wrangler (Contract) London","twitter_misc":{"Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.harnham.com\/job\/e1aeb1da-8723-4ba1-d23d-08d5948a7341-data-wrangler-contract-london\/","url":"https:\/\/www.harnham.com\/job\/e1aeb1da-8723-4ba1-d23d-08d5948a7341-data-wrangler-contract-london\/","name":"Data Wrangler (Contract) London","isPartOf":{"@id":"https:\/\/www.harnham.com\/#website"},"datePublished":"2026-03-06T16:07:36+00:00","dateModified":"2026-03-09T20:44:13+00:00","description":"Data Wrangler (Contract) London","breadcrumb":{"@id":"https:\/\/www.harnham.com\/job\/e1aeb1da-8723-4ba1-d23d-08d5948a7341-data-wrangler-contract-london\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.harnham.com\/job\/e1aeb1da-8723-4ba1-d23d-08d5948a7341-data-wrangler-contract-london\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.harnham.com\/job\/e1aeb1da-8723-4ba1-d23d-08d5948a7341-data-wrangler-contract-london\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.harnham.com\/"},{"@type":"ListItem","position":2,"name":"Data Wrangler (Contract)"}]},{"@type":"WebSite","@id":"https:\/\/www.harnham.com\/#website","url":"https:\/\/www.harnham.com\/","name":"Harnham","description":"","publisher":{"@id":"https:\/\/www.harnham.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.harnham.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.harnham.com\/#organization","name":"Harnham","url":"https:\/\/www.harnham.com\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.harnham.com\/#\/schema\/logo\/image\/","url":"https:\/\/www.harnham.com\/wp-content\/uploads\/2023\/04\/harnham-squarelogo-1522068491765.png","contentUrl":"https:\/\/www.harnham.com\/wp-content\/uploads\/2023\/04\/harnham-squarelogo-1522068491765.png","width":200,"height":200,"caption":"Harnham"},"image":{"@id":"https:\/\/www.harnham.com\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/www.harnham.com\/wp-json\/wp\/v2\/job-listings\/197321","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.harnham.com\/wp-json\/wp\/v2\/job-listings"}],"about":[{"href":"https:\/\/www.harnham.com\/wp-json\/wp\/v2\/types\/job_listing"}],"wp:attachment":[{"href":"https:\/\/www.harnham.com\/wp-json\/wp\/v2\/media?parent=197321"}],"wp:term":[{"taxonomy":"job_listing_category","embeddable":true,"href":"https:\/\/www.harnham.com\/wp-json\/wp\/v2\/job-categories?post=197321"},{"taxonomy":"job_listing_type","embeddable":true,"href":"https:\/\/www.harnham.com\/wp-json\/wp\/v2\/job-types?post=197321"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}