Bioprocess Lead

We're looking for a Bioprocess Lead to join our awesome team.Location: proudly onsite, in person, in Old Street, LondonYou'll play a key role in shaping the future of cultivated fat production by leading the design, optimisation, and scale-up of bioprocesses from bench through to industrial scale.Working closely with engineers, biologists and software experts, you'll drive process development and integration of novel bioreactor designs, ensuring our technology is ready for our next-generation manufacturing facility. This role offers both technical depth and leadership responsibility – guiding experimental strategy, mentoring colleagues and setting direction for scale-up operations.What you'll doLead the development and optimisation of scalable bioprocesses for cultivated fat productionDesign, implement, and validate processes for novel bioreactor formats and monitoring systemsScale operations from bench and pilot scale through to industrial (>1000L) productionHands-on contribution for innovation and troubleshooting of upstream and downstream processesOptimise downstream operations to maximise harvest efficiency and throughputOversee sterile operations, process control and analytical instrumentation strategiesWrite, review and maintain SOPs and technical documentation to enable robust operationsMentor engineers and technicians, sharing expertise in process design and scale-upCollaborate across software and hardware teams to integrate innovative instrumentation and automation technologiesWhat we're looking forMaster's degree (or equivalent experience) in biochemical engineering, cell biology, biomanufacturing, or related disciplineAt least 6 years experience in bioprocess development and scale-up in an industrial settingHands-on expertise with mammalian cell culture in suspension bioreactorsProven experience scaling processes to pilot and industrial scales (1000L+)Track record of developing and transferring processes into novel bioreactor designsStrong background in sterile operations, process monitoring, and analytical instrumentationAbility to lead projects, coordinate cross-functional teams, and mentor colleaguesEnthusiasm, curiosity, and a drive to engineer biology at scaleIdeally you'll also have experience withMultiple bench- and pilot-scale bioreactor systemsLarge-scale sterile media preparation and utilities for GMP environmentsTech transfer and validation of processes into manufacturing facilitiesR&D project leadership and cross-team collaborationELNs, LIMS and data-driven process optimisationWhy join us?Combine deep technical work with team leadership to meet ambitious scale up goals in a brand new industryWork alongside expert hardware and software teams to implement a novel bioreactor platform for food and biotechJoin a fast-paced startup culture that values responsibility, agency and technical excellencePerks & benefits Competitive salary Stock option plan Beautiful lab and office in Old Street Weekly socials and events Pension plan (matching up to 5% + salary sacrifice) Private health insurance 25 days' holiday + bank holidaysAbout Hoxton FarmsHoxton Farms is a series B startup using modular, AI enabled manufacturing to make high value products from stem cells for food and pharma. Their first product is animal fat, a premium B2B ingredient that boosts supply resilience and nutrition for meat companies. Cofounded in 2020 by Max Jamilly and Ed Steele, Hoxton Farms are a team of 50 based in London with customers worldwide, backed by some of the world's best investors including Founders Fund, F-Prime/FSV and GlobalBrain.Hoxton Farms is an equal opportunity employer committed to providing a working environment that embraces inclusion, diversity and belonging.If you believe you would add value to our company but don't meet all the criteria, we would still love to hear from you. We especially encourage applications from female+, LGBTQIA+, disabled and Black, Asian and Minority Ethnic (BAME) candidates, as these groups are underrepresented in the tech industry.