Investigator/Senior Investigator, Protein Sciences

Location: Roivant Discovery 451 D Street, Boston, MA 02210 USA

At Roivant, we are passionate about discovering and developing new drugs to impact patients’ lives. Since its inception in 2014, Roivant has launched over 20 portfolio companies (Vants), overseen 5 successful IPOs, established a $3B partnership with a global pharma, built a pipeline of over 40 assets across various modalities and therapeutic areas, and delivered 8 successful phase 3 readouts.

Roivant’s drug discovery capabilities are driven by our computational discovery platform, which combines preeminent physics-based tools with deep expertise in machine learning to generate unprecedented analytical power that can tackle previously intractable discovery challenges. The tight integration of this computational platform with our experimental capabilities enables the rapid design and optimization of new drugs to address a wide range of targets for diseases with high unmet need.

Our goal is to improve human health by rapidly discovering, developing and delivering innovative medicines and technologies to all patients. Our success is predicated on attracting and retaining top talent, generating new ideas and promoting an open and collaborative culture.

We embrace diversity across all dimensions and levels of the organization and we strive to ensure every employee is supported in reaching their full potential. We hire motivated people with diverse backgrounds, identities, experiences and skillsets. We are committed to fostering an inclusive culture where all employees feel valued, respected and empowered to create value for patients.

Position Summary:

Currently, we are hiring a highly motivated Investigator / Senior investigator to join our protein production group. The individual’s primary responsibility is to design and deliver custom protein reagents to fill the needs of HTS assays, protein structural determination, and biophysical studies in preclinical drug discovery. The candidate will purify and analyze high quality recombinant proteins from E.coli, Insect and Mammalian cells as well as initiate, coordinate, and supervise CRO efforts in protein expression and purification.. Additionally, the successful candidate will be working with a cross functional team to support core needs of various departments within the company. The position requires exceptional scientific, communication, organizational and interpersonal skills.


  • Ph.D., in Biochemistry, laboratory experience in recombinant protein expression, purification with at least 5 years of relevant research experience in academic / biotech settings
  • Experience with transferring/initiating, coordinating and supervising protein production work at CROs. This includes scientific oversight, building strong relationships with frequent communication, and optimizing workflows for protein quality and quantity.
  • Demonstrated experience in developing and optimizing expression and purification of proteins from various sources (E. coli, Baculovirus and mammalian expression). Strong hands-on experience with AKTA/FPLC-based protein purification with various chromatography techniques, including IMAC, ion exchange, SEC, etc
  • Qualified support reagent production timeline goals of generating reagents for HTS, x-ray crystallography, cryo-EM, protein NMR, biophysics, and enzymology, and the ability to troubleshoot scientific problems  
  • Able to plan and execute multiple tasks concurrently and evaluate multiple scientific strategies in parallel where appropriate
  • Demonstrated strengths in high performance behaviors, such as building relationships, flexible thinking, and enabling/driving change.
  • Scientific software proficiency and data analysis skills
  • Demonstrated oral and written communication skills, and experience leading junior colleagues
  • Track record of publications in peer reviewed journals


  • CRO management to support recombinant protein needs of the company
  • In-house purification of fusion proteins using various chromatographic methods and establish purification methods for new protein modalities
  • Maintenance of mammalian and insect cell lines in suspension culture
  • Familiarity with biophysical techniques for characterization of proteins
  • Generate, analyze and document data independently and consistently
  • Collaborate with other internal functional teams in a multidisciplinary team environment and participate in project meetings
  • Stay informed about current literature and scientific progress
  • Receives high level instructions on all work, determines methods on new assignments, works closely with manager, may manage junior staff

Roivant Sciences provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.