Principal Scientist, RPD
Aktis Oncology
Boston, MA · Posted October 1, 2026
Just laid off? Start here: a plan for the first weeks
See every open role at Aktis Oncology
More in Massachusetts job market · All Principal Scientist jobs (52) · Pharmaceuticals & Biotech · Research jobs
More roles at Aktis Oncology
- Senior Scientist, RPD (MSAT) · Boston, MA
- Sr Manager, Facilities & Laboratory Ops · Durham, NC
- Head of Biometrics · Boston, MA
- Senior Clinical Trial Manager · Boston, MA
- Sr./Clinical Trial Associate - Clinical Ops · Boston, MA
Similar jobs
- Associate Director, Electronic Warfare Research Scientist · RTX · cambridge, MA
- Principal Scientist, Oncology Drug Discovery · GSK · Cambridge, MA
- Oligo Discovery Process Chemistry Principal Scientist · GSK · Cambridge, MA
- Principal Scientist, Biology (Immunology) · C4 Therapeutics · Watertown, MA
- Principal Scientist, Formulations · C4 Therapeutics · Watertown, MA
- Associate Director, Research Quality Assurance · Akebia Therapeutics · Waltham, MA
Where Boston, MA ranks
Where Boston, MA placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
- #1Best cities for life sciences and biotech jobs793 openings · of 41
- #1Cities with the most jobs that do not need a four-year degree in New England390 jobs · of 14
- #1Best cities for AI-skill jobs in New England21% · of 28
- #1Best cities for software and engineering jobs in New England910 openings · of 24
- #1Best all-round cities for mid-career professionals in the Northeast71 / 100 · of 26
- #1Best all-round cities for mid-career professionals in New England71 / 100 · of 11
Skills this job asks for
Say which you have and which you want to build. We use it to match you to jobs like this one.
About the job
Aktis Oncology, Inc. is a clinical-stage oncology company focused on expanding the breakthrough potential of targeted radiopharmaceuticals to large patient populations, including those not addressed by existing platform technologies. Aktis’ most-advanced program, AKY-1189, is a miniprotein radioconjugate targeting Nectin-4, with multi-indication potential across multiple tumor types, including locally advanced or metastatic urothelial cancer, breast cancer, non-small cell lung cancer, colorectal cancer, cervical cancer, and head and neck cancer. Aktis’ second pipeline program, AKY-2519, is a miniprotein radioconjugate targeting B7-H3 expressing tumors, including prostate, lung and other solid tumors. Aktis has a strategic collaboration with Eli Lilly and Company to leverage its miniprotein platform to develop novel radioconjugates outside of Aktis’ proprietary pipeline.
Aktis Oncology is seeking a highly motivated Principal Scientist to support manufacturing and assay development of AKTIS Oncology’s proprietary radiopharmaceutical drug products. The Principal Scientist lead a small team of scientists and participate in the manufacturing and formulation optimization of Aktis’ clinical candidates within the RPD group and provide subject matter expert support of regulatory packages. This role is critical in ensuring product quality, regulatory compliance, and successful advancement of radiopharmaceutical programs from early development through clinical manufacturing phases. The position will collaborate closely with cross-functional team members to ensure timely delivery of robust manufacturing protocols in support of technology transfer activities. The ideal candidate has hands-on experience in radiolabeling and handling radioactive materials and radiopharmaceutical analytical techniques. This role requires full-time on-site presence at the Aktis Boston office.
RESPONSIBILITIES
This role will drive several areas of strategic importance to Aktis:
Lead a team to execute radiolabeling and formulation development of Aktis’ radioactive drug products for clinical use
Support and execute the manufacturing development strategies from RPD department head
Participate in day-to-day laboratory operations, including radiation safety
Lead and support development activities at external Contract Research Organizations
Write development reports that can be used for transfer of technology and regulatory filing
Take on new challenges willingly and build a culture of rigor and data-driven decision making to bring novel therapies to the clinic.
Demonstrate high standards for scientific rigor, team behaviors, excellence and a culture of innovation that is fully aligned with company objectives
Operate and maintain fume hoods, radio-HPLC systems, detectors, and analytical instruments
QUALIFICATIONS
Minimum of an advanced degree in chemistry, engineering or related field.
Minimum of seven years of relevant industry experience
Experience in leading scientific laboratory teams and external project management
Hands-on experience with metal chelation chemistry, radiolabeling methods and handling radioactive materials.
Experience analyzing radiolabeled compounds, experience with gamma detectors, UV- and radio-HPLC
Experience with protein solubility, binding assays, and drug product formulation
Project management and organizational skills, proven track record of setting priorities, and ability to work independently and as a team leader.
Strong desire to be part of a mission‐oriented company leading transformative change for patients.
Proven demonstration of transparent communication and fostering open and diverse debate.
Ability to work with agility and manage ambiguity.
Personifies positive energy and exemplifies respect.
Aktis Oncology is an Equal Opportunity Employer and does not discriminate on the basis of race, religion, color, sex, gender identity or expression, sexual orientation, age, disability, national origin, veteran status, or any other basis covered by appropriate law. Aktis Oncology is committed to promoting and maintaining a work environment in which all applicants, employees, and other individuals are treated with dignity and respect free from unlawful harassment, discrimination, or retaliation.