{"id":2832638,"url":"https://alion.io/job/lonza-senior-scientist","title":"Senior Scientist","company":{"id":679681,"name":"Lonza","domain":"lonza.com","url":"https://alion.io/company/lonza","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":80,"open_postings":36,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":11,"computed_at":"2026-10-21T05:46:15Z"}},"role":"Science & Research","role_family":"Science & Research","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Slough, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":64000,"max_usd":109000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":19},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Chromatography","optional":false}],"status":"closed","first_seen_at":"2026-09-17T00:00:00Z","employer_posted_date":"2026-09-17","last_verified_at":"2026-10-21T21:00:45Z","board_verified":false,"closed_at":"2026-10-21T21:00:45Z","days_open":34,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":34},"description":"Senior Scientist\nLocation: Slough, United Kingdom\nThe actual location of this job is in Slough, United Kingdom. This is a fully site-based role. Working together in person supports close, real-time collaboration and the technical precision needed to manufacture medicines to the highest quality and safety standards.\nAs a Senior Scientist within Development Services, you will play a key role in delivering high-quality experimental work across multiple customer projects. You will apply your scientific expertise to purification development and viral clearance activities, collaborate closely with customers and multidisciplinary teams, and help deliver projects safely, on time and to a high standard.\nWhat you will get:\nAn agile career and dynamic working culture.\n\nThe opportunity to work across multiple customer projects and develop subject matter expertise.\n\nAn inclusive and ethical workplace where collaboration and continuous improvement are valued.\n\nOpportunities to coach and support the development of more junior scientists.\n\nCompensation programs that recognize high performance.\n\nA variety of benefits dependent on role and location.\n\nThe full list of our global benefits can be found here: https://www.lonza.com/careers/benefits.\nWhat you will do:\nDesign, execute and deliver multiple laboratory projects, maintaining a strong focus on safety, quality and right-first-time delivery.\n\nPerform purification development and viral clearance experimental work, including chromatography, ultrafiltration/diafiltration, column packing, virus reduction filtration, stability studies and high-throughput screening.\n\nCritically review and interpret experimental data and information to generate robust process knowledge and support data-driven decisions.\n\nWork closely with customer project teams, providing scientific input, presenting project progress, responding to challenges and supporting a positive customer experience.\n\nPrepare and review scientific and project documentation, including sampling plans, protocols, reports, standard operating procedures and study documentation.\n\nCollaborate with external vendors and multidisciplinary teams to coordinate studies, troubleshoot issues and support the assessment of project deviations.\n\nCoach and train more junior members of the team while contributing to continuous improvement, new ways of working and departmental best practice.\n\nWhat we are looking for:\nA BSc or equivalent qualification in a relevant scientific or technical discipline.\n\nExperience working in a laboratory environment, with strong practical experience in scientific experimentation and data analysis.\n\nKnowledge or experience of purification development techniques such as chromatography and ultrafiltration/diafiltration; experience in viral clearance activities would be valuable.\n\nStrong planning, prioritization and organizational skills, with the ability to manage multiple projects and deliver work to agreed timelines.\n\nThe ability to critically analyse experimental data, solve problems logically and communicate scientific conclusions clearly.\n\nStrong written and verbal communication skills, including the confidence to present experimental results and interact with customers.\n\nA collaborative approach, with an interest in coaching others, continuous improvement and developing subject matter expertise.\n\nAbout Lonza\nAt Lonza, our people are our greatest strength. With 30+ sites across five continents, our globally connected teams work together every day to manufacture the medicines of tomorrow. Our core values of Collaboration, Accountability, Excellence, Passion and Integrity reflect who we are and how we work together. Everyone’s ideas, big or small, have the potential to improve millions of lives, and that’s the kind of work we want you to be part of.\nInnovation thrives when people from all backgrounds bring their unique perspectives to the table. At Lonza, we value diversity and are committed to creating an inclusive environment for all employees. If you’re ready to help turn our customers’ breakthrough ideas into viable therapies, we look forward to welcoming you on board.\nReady to shape the future of life sciences? 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