Six Figure Work

FL114: Senior Scientist, Therapeutics Engineering

Flagship Pioneering, Inc

Company websiteflagshippioneering.com (Flagship Pioneering, Inc, opens in new tab)

Base salary $126,000  to $159,500

Employer-published annual base salary, USD. Advertised base range in United States

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  • LocationUnited States
  • WorkplaceWorkplace not stated
  • Status at last checkSource accepting applications when checked
  • Last checked (57 min ago) · observed since

About this job

About FL114: 

FL114 is an innovative, privately held biotechnology company developing our novel epigenetic editing platform to treat a variety of diseases through precise, tunable modification of gene expression. FL114 was founded by Flagship Pioneering, where companies such as Moderna Therapeutics (NASDAQ: MRNA) and Seres Therapeutics (NASDAQ: MCRB) were conceived and created.  With a strong emphasis on innovation and experimental execution, FL114 cultivates a highly dynamic and entrepreneurial environment.

About the Role:

FL114, Inc. is seeking a Scientist / Senior Scientist to join our integrated Platform as a key contributor in our Therapeutics Engineering efforts. The successful candidate will be an essential member of a close-knit team of experimental and computational scientists driving FL114’s product generation engine and supporting a broad set of therapeutic programs. We are looking for enthusiastic, detail-oriented, adaptive, and highly motivated individuals with a passion for bringing novel medicines to patients. Applicants should be comfortable working on a fast-paced, cross-functional scientific team.

Key Responsibilities:

· Independently conduct, optimize and proactively troubleshoot cellular screening assays in a wide range of primary and transformed cell lines.

· Expression and functional characterization of novel biologics modalities using various cell systems and techniques (cell-based assays, RNA/DNA/protein isolation and detection techniques, RT-qPCR, flow cytometry, etc.)

· Drive, pilot, and oversee development of a wide range of cutting-edge assays.

· Design, procurement, and maintenance of plasmids or other relevant materials for cell-based and cell-free assays.

· Identification and management of external partners (CROs, CMOs, etc).

Required Skills:

· Execute routine and advanced molecular biology techniques, including plasmid preparation, RT-qPCR, cloning, RNA/DNA extraction, gel electrophoresis, oligo pool work, etc.

· Culture and maintain a wide variety of mammalian cell lines, including transient and stable transfections. Develop cell lines as necessary.

· Analyze and interpret assay data, maintain accurate laboratory notebooks, and communicate results clearly in team meetings.

· Drive optimization and automation of screening protocols, including the use of liquid handling systems and plate readers.

· Experience developing DNA assets for molecular library design.

· Experience with gene delivery technologies (for example LNP, lentivirus, etc.).

· Exposure to CRISPR-based or other gene editing technologies.

· Experience with handling samples for NGS and for its interpretation.

· Familiarity with data analysis tools such as GraphPad Prism, Benchling, SnapGene, etc.

· Adaptive and detail-oriented with excellent time management and organizations skills.

· Exceptional teamwork and communication skills.

Required Qualifications:

· PhD in Cell or Molecular Biology, Biochemistry, or related disciplines with 2+ years of relevant experience in biotech or pharma.

· Strong background in cellular and molecular biology with hands-on experience in the development and optimization of cell-based assays and library screening assays.

· Extensive experience in gene design, vector construction, and protein expression.

· Possession of strong communication skills, both written and verbal, to clearly convey results and scientific data to senior leaders, teams and partners.

· Industry experience in drug discovery or pharmaceutical R&D preferred.

About Flagship 

Flagship Pioneering is a scientific innovation engine that invents and builds companies that change the world. We bring together the greatest scientific minds with entrepreneurial company builders and assemble the capital to allow them to take courageous leaps in human health, sustainability, and beyond. 
 
What sets Flagship apart is our ability to advance biotechnology by uniting life science innovation, company creation, and capital investment under one roof in a way that is largely without precedent. Our team of scientists, entrepreneurial leaders, and professional capital managers are each aligned around an institutionalized process that enables us to innovate and create breakthroughs for the benefit of people and planet.  Many of the companies Flagship has founded have addressed humanity’s most urgent challenges: vaccinating billions of people against COVID-19, curing intractable diseases, improving human health, preempting illness, and feeding the world by improving the resiliency and sustainability of agriculture.

Flagship has been recognized twice on FORTUNE’s “Change the World” list, an annual ranking of companies that have made a positive social and environmental impact through activities that are part of their core business strategies, and has been named four times to Fast Company’s annual list of the World’s Most Innovative Companies. 

At Flagship, we recognize there is no perfect candidate. If you have some of the experience listed above but not all, please apply anyway. 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.

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 [email protected]. 

The salary range for this role is $126,000 - $159,500. Compensation for the role will depend on a number of factors, including a candidate’s qualifications, skills, competencies, and experience. FL114 currently offers healthcare coverage, annual incentive program, retirement benefits and a broad range of other benefits. Compensation and benefits information is based on FL114'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 [email protected]. 

Source: Flagship Pioneering, Inc on Greenhouse · View original posting (opens in new tab)

Pay in context

This role's base floor ($126,000) is above 26% of the 1,809 Science & Research roles nationwide listed on this site; 10 others list the same floor. Their median floor is $153,000; the middle half runs from $124,714 to $180,400.

Only jobs on this site count, and each one publishes a base salary of $100,000 or more, so this compares six-figure jobs with each other, not with the whole market. Computed Nov 8, 2026.

This range next to 6 other live Flagship Pioneering, Inc roles with the nearest advertised base floor
Chart as a table
This range next to 6 other live Flagship Pioneering, Inc roles with the nearest advertised base floor
RolePublished base
FL114: Senior Scientist, Therapeutics Engineering (this listing)$126,000 - $159,500
(Senior) Scientist, Translational Biology$126K - $165K
Sr. Scientist, Protein & Cell Sciences$126,000 - $181,500
Senior Scientist, Bioanalytical Sciences$126,000 - $181,500
Senior Scientist, LNP Formulations$126,000 - $181,500
Transactions Counsel, APEX$128K - $235K
Lead Data Engineer$128K - $176K

Same $100K to $400K scale as every card. All Flagship Pioneering, Inc roles · How to read the bar

Observed changes

  1. Began meeting the published-salary criteria
  2. First observed on the employer's board
Observed since
Employer-stated posting date
2026-09-21
Where this pay comes from

Location as the employer wrote it: Cambridge, MA USA

USD 126,000 – 159,500 · annual (nosalary C: USD salary field >= $20,000) · salary · Pay Range

Method
Structured pay field published by the employer
Checked
Rule set
us-base-v2

The employer's job board publishes this pay as a dedicated data field. We read the field directly; no interpretation was needed.

What we verified

  • The pay figures come from the employer's own listing, quoted exactly above.
  • The pay is an annual base salary in US dollars with a minimum of at least $100,000.
  • The role was publicly listed on the employer's job board when last checked.

We do not verify what the employer will actually offer, whether the employer is still recruiting for the role, or anything beyond what the employer published. Full methodology.

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