Senior Level Principal Scientist Jobs
Senior level principal scientist jobs place scientists at the helm of research programs, where they own experimental direction, drive cross-functional decisions, and guide the teams executing complex scientific work. Openings concentrate in Biotechnology & Pharmaceuticals, Technology & Software, and Consulting & Professional Services, with a mix of on-site, remote, and hybrid settings, and employers like AbbVie, Amazon, and Exponent hiring at this level now.
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Company Overview
Immunome is a clinical-stage targeted oncology company committed to developing first-in-class and best-in-class targeted cancer therapies. We are advancing an innovative portfolio of therapeutics, supported by a leadership team with deep experience in the design, development, and commercialization of cutting-edge therapies, including antibody-drug conjugates. Our pipeline includes varegacestat, an investigational gamma secretase inhibitor for which an NDA has been accepted by the U.S. FDA; IM-1021, a clinical-stage ROR1 ADC; IM-1617, a clinical-stage solid tumor ADC; and IM-3050, a clinical-stage FAP-targeted radioligand therapy. We are also advancing a broad portfolio of early-stage ADCs pursuing undisclosed solid tumor targets.
Position Overview
We are seeking an experienced Principal Scientist, Chemical Development to join our dynamic team to help advance our pipeline of innovative targeted cancer therapies. The successful candidate will apply their expertise in small molecule process development and manufacturing to support a variety of modalities in the Immunome pipeline with a focus on small molecule linker-payload targets for ADCs. This person will play a key role in leading challenging drug candidate process development programs, enabling treatment of patients in need.
Responsibilities
Leadership
- Provide technical leadership as a key member of the chemical development team while maintaining alignment with the company's goals and objectives.
- Function as the technical lead on at least one program while also functioning as an individual technical contributor.
- Provide guidance and leadership to external partners working towards the successful advancement of antibody drug conjugates, radiopharmaceuticals, and other lead programs.
- Support programs at the bench as an individual contributor as needed.
Technical Expertise
- Leverage knowledge and experience in the development and execution of robust and scalable small molecule synthetic processes.
- Devise and evaluate alternative routes of synthesis with the aim of developing robust and efficient routes to APIs while reducing cost of goods (COGs) and shortening manufacturing lead times.
- Develop robust data packages for technical transfer of processes for manufacturing partners at external CMOs.
- Maintain knowledge of the current state of the art in synthetic methods utilized for the construction of complex molecules.
- Carry out thorough analytical data collection both as an individual contributor in the lab as well as via oversight and review of data collected at our external partners.
- Contribute to authoring relevant sections of various regulatory documents (IND, IMPD, NDA, briefing books, etc.) and provide SME support for related regulatory inquiries.
Cross-Functional Collaboration
- Execute the integrated CMC regulatory strategies for pipeline programs.
- Collaborate with research, regulatory affairs, and CMC teams to ensure seamless coordination of activities.
- Provide feedback to research on synthetic routes and raw materials that are CMC friendly.
- Foster strong collaborations with internal and external stakeholders.
- Engage colleagues in discovery chemistry to provide CMC input of target molecules under evaluation for future development.
Innovation
- Stay abreast of the latest advancements in synthetic methodology as well as new technologies and methodologies to enhance our capabilities.
- Advance Immunome’s intellectual property portfolio.
Quality and Compliance
- Ensure compliance with relevant regulatory guidelines and industry standards for chemical development processes.
- Uphold high-quality standards and address any compliance issues.
Qualifications
- PhD in Synthetic Organic Chemistry or similar with a minimum of 7 years of industry experience leading small molecule and/or linker-payload programs, or equivalent combination of education and experience.
- Experience as a technical lead overseeing tech transfer, process development and implementation of processes for manufacture at internal and/or external manufacturers is a plus.
- Occasional evening and/or weekend commitment.
- Ability to travel domestically and internationally (5-15%).
Knowledge And Skills
- Ability to design cost effective robust manufacturing processes for complex small molecule targets as well as troubleshoot and solve complex technical challenges quickly.
- Brings a collaborative and open-minded attitude when working with various internal and external teammates.
- Meticulous and detail-oriented scientist with the ability to operate as an individual contributor at the bench while also managing external partners.
- Proficient in generating robust and reliable analytical data utilizing various technologies in a hands-on capacity as well as evaluation of analytical data generated at external partners.
- Proficient in writing technical reports and formulating presentations.
- Ability to develop cross functional relationships with discovery chemistry and other pre-clinical groups.
- Experience in leading and managing technology transfers to third party process development and manufacturing partners.
- Knowledge of cGMP requirements and ICH guidelines related to CMC small molecule drug-substance development and manufacturing.
- Track record of working closely with cross-functional teams in a biopharmaceutical or pharmaceutical environment.
- Excellent interpersonal and communication skills.
Washington State Pay Range
$169,593 - $206,233 USD
E/E/O
Immunome, Inc. is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.
E-Verify
Immunome, Inc. is a participant in E-Verify. Please review the following notices: E-Verify Participation Poster | Right to Work Poster (English) | Right to Work Poster (Spanish).
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Senior Level Principal Scientist Jobs: Frequently Asked Questions
How do I get a senior level principal scientist job?
Employers at this level look for scientists who have led multi-year research programs from hypothesis to publication or product, not just contributed to them. A strong candidate brings a record of independent scientific judgment, demonstrated mentorship of junior researchers, and cross-functional credibility with engineering, regulatory, or commercial teams. Framing your experience around outcomes you owned, not tasks you supported, is what separates competitive applicants at this stage.
Which companies hire senior level principal scientists?
Companies hiring senior level principal scientists right now include AbbVie, Amazon, and Exponent, based on current listings on Migrate Mate as of August 2026. Hiring at this level tends to come from large R&D-intensive organizations, biotech and pharmaceutical companies, advanced technology firms, and government contractors with active research pipelines.
Are there remote senior level principal scientist jobs?
Yes, though availability varies by discipline and employer. About 13% of senior level principal scientist openings are remote or hybrid as of August 2026, with lab-based and instrumentation-heavy roles more likely to require on-site presence while computational, data science, and research strategy roles tend to offer greater location flexibility.
What makes a principal scientist role senior level?
A senior level principal scientist role is defined by autonomous ownership of a research domain rather than execution within someone else's program. Expectations include setting the scientific agenda, making binding technical decisions, publishing or presenting as a primary author or named lead, and actively developing the skills of scientists earlier in their careers. The role carries accountability for program outcomes, not just individual contributions.
Which industries hire the most senior level principal scientists?
Senior Level principal scientist roles concentrate in Biotechnology & Pharmaceuticals, Technology & Software, and Consulting & Professional Services, based on current listings on Migrate Mate as of August 2026. These sectors drive hiring at this level because they sustain large-scale, long-horizon research programs that require experienced scientists capable of leading complex studies and translating findings into commercial or regulatory impact.