Analytical Development Scientist (ADC)

Kelly Science is seeking an Analytical Development Scientist for a growing company located in Devens, MA. Salary: $100,000-120,000/year Shift: Monday-Friday 1st Shift Employment Type: Full Time; Direct Hire Work Model: Fully On-site Job Responsibilities include: + Plan, execute, and analyze experiments for method development, validation, reference standard creation, forced degradation, product characterization, and compatibility studies, following ICH regulatory guidelines. + Develop, optimize, and validate LCMS methods for ADCs, including: + Drug-to-Antibody Ratio (DAR) determination + Payload quantification (free and conjugated) + Linker stability and degradation profiling + Site-specific conjugation analysis + Perform intact mass analysis, peptide mapping, DAR determination, and payload identification. + Characterize ADCs for key quality attributes such as conjugation sites, linker stability, and degradation products. + Write test methods, protocols, reports, and regulatory documents as required. + Support development and cGMP manufacturing by ensuring regulatory compliance for in-process and release samples. + Uphold safety and quality standards in all activities. + Effectively communicate technical results to internal teams, clients, and regulatory agencies. + Collaborate with chemistry, quality control, and regulatory teams to ensure successful project outcomes. + Mentor and support scientific staff, fostering their technical and professional growth and promoting knowledge sharing. + Demonstrate strong communication, organizational, and leadership skills. + Maintain and troubleshoot LCMS equipment, such as Orbitrap, Q-TOF, and Triple Quad systems. Qualifications: + Bachelor's degree in Analytical Chemistry, Biochemistry, Chemistry or a related scientific field required. Advanced degree (MS or PhD) is a plus. + 4+ years of experience with LCMS analysis of large molecule required. + Extensive experience in analytical method development, validation and characterization of bioconjugates required. Interested? Please apply today for immediate consideration! As part of our promise to talent, Kelly supports those who work with us through a variety of benefits, perks, and work-related resources. Kelly offers eligible employees voluntary benefit plans including medical, dental, vision, telemedicine, term life, whole life, accident insurance, critical illness, a legal plan, and short-term disability. As a Kelly employee, you will have access to a retirement savings plan, service bonus and holiday pay plans (earn up to eight paid holidays per benefit year), and a transit spending account. In addition, employees are entitled to earn paid sick leave under the applicable state or local plan. Click here (for more information on benefits and perks that may be available to you as a member of the Kelly Talent Community. Why Kelly ® Science & Clinical? Kelly Science & Clinical is your connection to premier scientific and clinical companies looking to hire industry experts just like you. Our team creates expert talent solutions to solve the world's most critical challenges. Every day, we match science professionals with dream jobs that fit their skills, interests, and career goals-it's the way we think job searching should be. Nearly 100 percent of our science recruiters have a professional background and education in science, so we know a thing or two about the science market and how to get your expertise noticed. About Kelly Work changes everything. And at Kelly, we're obsessed with where it can take you. To us, it's about more than simply accepting your next job opportunity. It's the fuel that powers every next step of your life. It's the ripple effect that changes and improves everything for your family, your community, and the world. Which is why, here at Kelly, we are dedicated to providing you with limitless opportunities to enrich your life-just ask the 300,000 people we employ each year. Kelly is committed to providing equal employment opportunities to all qualified employees and applicants regardless of race, color, sex, sexual orientation, gender identity, religion, national origin, disability, veteran status, age, marital status, pregnancy, genetic information, or any other legally protected status, and we take affirmative action to recruit, employ, and advance qualified individuals with disabilities and protected veterans in the workforce. Requests for accommodation related to our application process can be directed to the Kelly Human Resource Knowledge Center. Kelly complies with the requirements of California's state and local Fair Chance laws. A conviction does not automatically bar individuals from employment. Kelly participates in E-Verify and will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the U.S. Kelly Services is proud to be an Equal Employment Opportunity and Affirmative Action employer. We welcome, value, and embrace diversity at all levels and are committed to building a team that is inclusive of a variety of backgrounds, communities, perspectives, and abilities. At Kelly, we believe that the more inclusive we are, the better services we can provide. Requests for accommodation related to our application process can be directed to Kelly's Human Resource Knowledge Center. Kelly complies with the requirements of California's state and local Fair Chance laws. A conviction does not automatically bar individuals from employment.

Created: 2026-04-03