1,896,942open jobs
111,262companies
252,861added this week
Browse all
Salary
≈ $64k – $109k per year (Estimated)
Location
In office (Slough)
Seniority
Senior
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 21, 2026. First seen by Alion on Sep 17, 2026. Lonza scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Lonza is a Swiss contract development and manufacturing organization that produces small molecules, biologics, cell and gene therapies and capsules for pharmaceutical, biotechnology and nutrition companies. Founded in 1897 and listed on the SIX Swiss Exchange, it runs manufacturing sites in Europe, the United States and Asia, including Visp in Switzerland, Portsmouth in New Hampshire and Bend in Oregon. The company is headquartered in Basel, Switzerland.

Senior Scientist

Location: Slough, United Kingdom

The 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.

As 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.

What you will get:

  • An agile career and dynamic working culture.

  • The opportunity to work across multiple customer projects and develop subject matter expertise.

  • An inclusive and ethical workplace where collaboration and continuous improvement are valued.

  • Opportunities to coach and support the development of more junior scientists.

  • Compensation programs that recognize high performance.

  • A variety of benefits dependent on role and location.

The full list of our global benefits can be found here: https://www.lonza.com/careers/benefits.

What you will do:

  • Design, execute and deliver multiple laboratory projects, maintaining a strong focus on safety, quality and right-first-time delivery.

  • Perform purification development and viral clearance experimental work, including chromatography, ultrafiltration/diafiltration, column packing, virus reduction filtration, stability studies and high-throughput screening.

  • Critically review and interpret experimental data and information to generate robust process knowledge and support data-driven decisions.

  • Work closely with customer project teams, providing scientific input, presenting project progress, responding to challenges and supporting a positive customer experience.

  • Prepare and review scientific and project documentation, including sampling plans, protocols, reports, standard operating procedures and study documentation.

  • Collaborate with external vendors and multidisciplinary teams to coordinate studies, troubleshoot issues and support the assessment of project deviations.

  • Coach and train more junior members of the team while contributing to continuous improvement, new ways of working and departmental best practice.

What we are looking for:

  • A BSc or equivalent qualification in a relevant scientific or technical discipline.

  • Experience working in a laboratory environment, with strong practical experience in scientific experimentation and data analysis.

  • Knowledge or experience of purification development techniques such as chromatography and ultrafiltration/diafiltration; experience in viral clearance activities would be valuable.

  • Strong planning, prioritization and organizational skills, with the ability to manage multiple projects and deliver work to agreed timelines.

  • The ability to critically analyse experimental data, solve problems logically and communicate scientific conclusions clearly.

  • Strong written and verbal communication skills, including the confidence to present experimental results and interact with customers.

  • A collaborative approach, with an interest in coaching others, continuous improvement and developing subject matter expertise.

About Lonza

At 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.

Innovation 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.

Ready to shape the future of life sciences? Apply now.

Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
1,896,942 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

Science & Research
Similar stack
Same company
Slough
≈ $50k – $85k per year (Estimated) • In office • Full-Time • 5+ years exp • Bachelor's Degree • High Wycombe
Apply
≈ $69k – $118k per year (Estimated) • In office • London
Apply
$418k per year • Hybrid • Full-Time • Gloucester
Life Sciences
LIMS
Apply
≈ $44k – $82k per year (Estimated) • In office • Full-Time • Master's Degree • York
Python
Chips/EDA
Photolithography
Design
SolidWorks
Fusion 360
Apply
≈ $34k – $64k per year (Estimated) • In office • Manchester
SPSS
Apply
≈ $50k – $102k per year (Estimated) • In office • Full-Time • 10+ years exp • Master's Degree • Cambridge
Life Sciences
Cell Culture
Chromatography
Design of Experiments
Apply
Scientist 2 days ago
≈ $46k – $87k per year (Estimated) • In office • Full-Time • Bachelor's Degree • Cambridge
Life Sciences
Cell Culture
Apply
≈ $53k – $107k per year (Estimated) • In office • Full-Time • Master's Degree • Slough
Apply
≈ $48k – $90k per year (Estimated) • In office • Full-Time • Master's Degree • Slough • Cambridge
Python
SQL
Frontend
GraphQL
DevOps
Rest API
Apply
≈ $48k – $89k per year (Estimated) • In office • Full-Time • Master's Degree • Slough
Life Sciences
Flow Cytometry
ELISA
Apply
Principal Scientist 3 days ago
≈ $67k – $136k per year (Estimated) • Hybrid • Full-Time • PhD • Slough
Apply
≈ $50k – $93k per year (Estimated) • In office • Contractor • Slough
Python
AI/ML
Prompt Engineering
NLP
LLM
RAG
Knowledge Graph
Apply
≈ $47k – $92k per year (Estimated) • Hybrid • Full-Time • Bachelor's Degree • Slough
DevOps
Octopus Deploy
Apply
≈ $90k – $148k per year (Estimated) • Hybrid • Full-Time • 12+ years exp • Master's Degree • Slough
SAS
Life Sciences
CDISC
Apply
≈ $49k – $112k per year (Estimated) • In office • Full-Time • Slough
Design
Canva
Apply
See all jobs
This is one of many
1,896,942 more open roles from verified company boards, updated every day.