Principal Scientist – Immunoassay

Planet Pharma; Fordham; On-site; GBP 85,000 - 120,000; Full time

Benefits offered by this job

Visa sponsorship

Relocation assistance

Sign-on bonus

Job summary

Planet Pharma in Cambridgeshire is seeking a Principal Scientist in Immunoassay to lead complex immunoassay projects, develop regulatory‑compliant methods, and mentor a team of scientists in a GxP‑regulated CRO environment.

You will drive method development strategies across PK, biomarker, and immunogenicity studies, share findings at conferences, and collaborate with internal partners to deliver high‑quality bioanalytical solutions that support client programs.

Qualifications

• Experience leading immunoassay projects in a GxP‑regulated CRO.
• Proven track record in assay development, validation and application.
• Strong leadership and cross‑functional collaboration skills.

Responsibilities

• Oversee complex immunoassay projects and lead method development strategies.
• Mentor a team of scientists and foster scientific excellence.
• Present findings at industry conferences and ensure regulatory compliance.
• Collaborate with internal teams to deliver robust bioanalytical solutions.

Skills

Immunoassay leadership

Ligand-binding assay development

Bioanalysis

Regulatory compliance

Mentoring

Education

Degree in pharmaceutical sciences / biochemistry / chemistry / biological sciences

Job description

Principal Scientist – Immunoassay

Ready to lead the future of bioanalytical innovation? Join us as a Principal Scientist in Immunoassay, where your expertise can drive groundbreaking research in a dynamic, collaborative environment. Based in Cambridgeshire, this pivotal role offers the chance to shape the scientific landscape within a respected global CRO supporting cutting‑edge pharmaceutical and biopharmaceutical development.

In this role, you’ll oversee complex immunoassay projects, develop robust, regulatory‑compliant methods, and mentor a team of talented scientists. Your scientific judgement and creativity will be essential as you lead method development strategies, troubleshoot across platforms, and contribute to our culture of continuous improvement and scientific excellence. Be the voice of innovation, collaborating with internal teams and presenting at industry conferences, all while making a meaningful impact on therapies that improve lives worldwide.

To succeed, you should bring a strong background in bioanalysis, with hands‑on experience leading ligand‑binding assay development, validation, and application for PK, biomarker, and immunogenicity studies. You’ll need a degree in pharmaceutical sciences, biochemistry, chemistry, or biological sciences, coupled with proven expertise within a GxP‑regulated CRO environment. Expertise in global regulatory guidance and industry best practices for immunoassay validation is essential. A track record of scientific leadership, mentoring, and collaborative problem‑solving will set you apart.

Nice‑to‑haves include familiarity with creating new service lines or scientific IP, additional experience in cross‑departmental collaboration, and knowledge of bioanalytical platform selection aligned with sponsor and regulatory needs.

Beyond your technical prowess, we value adaptable, creative, and collegiate professionals who are passionate about scientific progress and mentorship. This role may involve some travel, and we’re open to candidates requiring visa sponsorship, relocation assistance, or sign‑on bonuses as appropriate.

Bring your scientific leadership and innovative spirit to the business— where your contributions will push the boundaries of bioanalytical science and make a real difference. Take the next step in your career and become a driving force in our immunoassay division!