Senior Scientist - Peptide Division

Biosynth; Gardner (MA); On-site; USD 120,000 - 180,000; Full time

Job summary

Biosynth is seeking a Senior Scientist for our Peptide Division to lead peptide synthesis, purification and characterisation while providing technical leadership and mentorship to the team. The role combines hands‑on lab work with strategic input and customer interaction.

You will collaborate with Principal Lab Technicians, coordinate project activity, and help introduce new peptide technologies across the business. A PhD in Life Sciences and strong peptide expertise are required.

Qualifications

• PhD in Life Sciences required.
• Experience in peptide synthesis, purification and characterisation.

Responsibilities

• Lead synthesis, purification and characterisation of peptides on routine and complex projects.
• Provide technical guidance and mentoring to lab technicians and peptide scientists.
• Support technical decision‑making and troubleshooting on challenging peptide projects.
• Identify opportunities to improve lab processes and team capabilities.
• Operate peptide synthesis and purification instrumentation; perform data analysis with UPLC-MS.

Skills

Peptide synthesis

Purification

Characterisation

Mentoring

Technical leadership

Analytical skills

Customer interaction

Problem-solving

Education

PhD in Life Sciences

Tools

UPLC-MS

MS instrumentation

Job description

Are you an experienced peptide scientist looking for an opportunity to take on a senior technical role, work on complex projects and help shape the future of peptide development?

At Biosynth, we're looking for a Senior Scientist to join our Peptide Division. This is an exciting opportunity for someone with a strong background in peptide synthesis, purification and characterisation who enjoys combining hands‑on laboratory work with technical leadership, problem‑solving and customer interaction.

Working closely with our Principal Lab Technicians and wider peptide team, you'll play an important role in delivering complex peptide projects, supporting and developing colleagues and introducing new peptide‑related technologies and capabilities to the business.

What you'll be doing

• Take a leading role in the synthesis, purification and characterisation of peptides, working on both routine and complex projects.
• Provide technical guidance, coaching and mentoring to laboratory technicians and peptide scientists, supporting the development of the wider team.
• Support colleagues with technical decision‑making and troubleshooting on more challenging peptide projects.
• Identify opportunities to improve laboratory processes, working practices and team capabilities.
• Operate and utilise peptide synthesis, purification and characterisation instrumentation.
• Carry out on‑resin and solution‑phase modifications of custom peptides.
• Perform peptide cleavage data analysis and peptide characterisation using UPLC-MS.
• Help introduce and implement new peptide‑related modalities at Biosynth, including their synthesis and characterisation.
• Work alongside the department supervisor to coordinate project activity, track progress and support the allocation of laboratory work.
• Build relationships with customers and potential customers, discussing project requirements and providing technical input throughout ongoing projects.
• Represent Biosynth at conferences and customer events, promoting our peptide capabilities.
• Collaborate with peptide teams across Biosynth, sharing knowledge and supporting wider business development.

What we're looking for

You’ll bring a strong scientific background and the technical experience to operate confidently at a senior level within a peptide laboratory.

Requirements include -

• A PhD in Life Sciences, such as Biology, Chemistry or an equivalent discipline.
• Demonstrable experience in peptide synthesis, purification and characterisation.
• A strong chemistry background and the ability to apply your knowledge to complex peptide projects.
• Excellent technical problem‑solving and analytical skills.
• Experience providing technical guidance, mentoring or supporting the development of colleagues.
• Strong communication skills, with the confidence to interact with customers and discuss technical projects.
• The ability to work collaboratively as part of a team while also taking ownership of your own work.
• A proactive approach to continuous improvement and developing both yourself and others.
• A strong work ethic and enthusiasm for learning and developing new capabilities.

Biosynth is an innovative life sciences company specialising in reagents, custom synthesis and manufacturing services. Headquartered in Staad, Switzerland, we work with customers across the pharmaceutical, life science, diagnostic, food, agrochemical and cosmetic industries.

We’re a global business with manufacturing laboratories and distribution centres across three continents, bringing together scientific expertise, technical capabilities and a strong customer focus.

Our peptide and antibody production capabilities span the US, UK and the Netherlands, with teams working collaboratively across the business.

Joining Biosynth means becoming part of a team of scientists who are passionate about what they do, where you’ll have the opportunity to contribute your expertise, develop new capabilities and make a real contribution to our continued growth.

The compensation range provided represents the expected range for this position. Actual compensation will vary based on several factors, including geographic location, relevant experience, skills, qualifications, and internal equity.

In addition to base compensation, this position may be eligible for additional incentive compensation and benefits, where applicable

Biosynth, is proud to be an equal opportunity employer. We value diversity and are committed to creating a workplace that reflects this commitment. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age or veteran status.

Recruitment agencies - we are unable to accept unsolicited CVs and communications from external recruiters. We do not use recruitment agencies to recruit for our roles.