Associate Scientist, Immunology

Serif Biomedicines is a privately held, early-stage biotechnology company pioneering Modified DNA as a new class of medicines. Modified DNA brings together the best features of mRNA and gene therapy, while mitigating their limitations, by enabling medicines that are durable, redosable, programmable, and scalable. Serif was founded by Flagship Pioneering, an innovation enterprise that conceives, creates, resources, and grows first-in-category life sciences companies. Flagship Pioneering has created over 100 groundbreaking companies over the past twenty years, all of which are pioneering novel and proprietary biological, industrial, and engineering approaches to solve major needs in human health and sustainability. These companies include Moderna (MRNA), Generate Biomedicines (GENB), Seres Therapeutics (MCRB), Tessera Therapeutics, and Lila Sciences. Position Summary: We are seeking a highly motivated Associate Scientist of Immunology to join our therapeutic discovery team. The candidate will focus on hands‑on benchwork using in vitro and ex vivo experimental approaches. The candidate must be independent, goal oriented, technically competent and able to efficiently work across multiple projects. We are searching for enthusiastic, innovative, and highly motivated individuals, with scientific background in immunology, cancer immunotherapy, and/or autoimmune diseases, who are comfortable working in a fast‑paced entrepreneurial environment. Key Responsibilities: Independently design and execute in vitro assays to evaluate immune cell function, including multi‑color flow cytometry, cytotoxicity assays and other functional readouts under the guidance of scientists Conduct ex vivo analysis of immune cells through tissue processing and downstream assays and analyses Develop, execute, and troubleshoot experimental protocols under the guidance of senior members on the team, and maintain accurate and timely electronic laboratory notebook records Analyze and communicate experimental data at team meetings Qualifications: BS or MS degree in biology, immunology, bioengineering or related discipline with 6+ year of relevant industry experience in immunology and/or immunotherapy. Strong experimental skills, including tissue culture, primary immune cell culture, flow cytometry, immunoassay development, and ex vivo mouse model and NHP sample processing Experience with non‑viral delivery technologies and nucleic acid modalities is preferred Experience with primary human and/or NHP T cells is preferred Detail oriented, self‑motivated, and comfortable working with highly technical projects and personnel Highly adaptable and responsive to delivering challenging commitments Flagship Pioneering and our ecosystem companies are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or Veteran status. At Flagship, we recognize there is no perfect candidate. Experience comes in many forms, skills are transferable, and passion goes a long way. We are dedicated to building diverse and inclusive teams and look forward to learning more about your unique background. Recruitment & Staffing Agencies Flagship Pioneering and its affiliated Flagship Lab companies (collectively, 'FSP') do not accept unsolicited resumes from any source other than candidates. The submission of unsolicited resumes by recruitment or staffing agencies to FSP or its employees is strictly prohibited unless contacted directly by Flagship Pioneering’s internal Talent Acquisition team. Any resume submitted by an agency in the absence of a signed agreement will automatically become the property of FSP, and FSP will not owe any referral or other fees with respect thereto. The salary range for this role is $96,000 - $126,500. Compensation for the role will depend on a number of factors, including a candidate’s qualifications, skills, competencies, and experience. Serif Biomedicines currently offers healthcare coverage, annual incentive program, retirement benefits and a broad range of other benefits. Compensation and benefits information is based on Serif Biomedicines’s good faith estimate as of the date of publication and may be modified in the future. Privacy Notice for Applicants: When you apply for a role at Flagship Pioneering or one of its portfolio companies, we collect and use personal information you provide (such as your name, contact details, work history, and application materials) to evaluate your application, communicate with you, and comply with legal obligations. Your application data is processed through Greenhouse, our applicant tracking system, and may also be reviewed using AI‑assisted screening tools. We do not sell your personal information. California residents have rights under the CCPA/CPRA including to know, delete, and opt out of the sharing of their personal information. If you are located in the EU or UK, we process your data under GDPR and you have rights to access, rectify, and erase your data. To exercise your rights or for questions, contact View email address on click.appcast.io. #J-18808-Ljbffr Flagship Pioneering, Inc.