Ampersand Biomedicines Visa Sponsorship USA
Ampersand Biomedicines is a clinical-stage biopharmaceutical company focused on precision medicine. It sponsors H-1B and F-1 OPT visas, making it a viable target for international scientists and researchers. Sponsorship is selective given the company's early stage, so timing and role fit matter.
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INTRODUCTION
Ampersand Biomedicines is a Flagship Pioneering company on a mission to transform patients’ lives with programmed medicines that work precisely where needed, and nowhere else. We’re building a collaborative, mission-driven team that thrives in a fast-paced environment and shares a genuine desire to make a difference. We ACT our values by working with Agility to adapt and deliver impact, leading with Compassion to put people first, and practicing Transparency to build trust through openness, clarity, and integrity. At Ampersand, employees are encouraged to explore breakthrough science, take chances, support one another, and contribute ideas and perspectives openly.
THE ROLE
Ampersand is currently seeking a highly motivated scientist with a background in antibody-oligonucleotide/drug conjugate (AOC/ADC) and protein sciences to contribute to the discovery and development of AND-Body™ Therapeutics. This position will emphasize creating and analyzing new antibody modalities to develop biologic therapies targeted at specific tissues.
Key Responsibilities
- Collaborate with cross-functional teams to develop AOC/ADC biomolecules that enable targeted delivery to tissues of high interest.
- Co-lead AOC/ADC projects to advance therapeutic candidates, working closely with Ampersand stakeholders, advisors, and CRO collaborators.
- Supervise the design and execution of studies, as well as in the interpretation of data for both in vitro and in vivo research.
- Develop a state-of-the-art platform to facilitate biophysical and biochemical analyses of novel antibody modalities.
Required Professional Experience & Qualifications
- Strong technical background in AOCs; direct experience with siRNA design, antibody engineering, bioconjugation chemistry, or oligonucleotide therapeutics is highly preferred.
- PhD in Biochemistry, Chemical Biology, or a related scientific discipline with 2+ years of experience; exceptional candidates with significant experience and without a doctorate will be considered.
- Previous industry experience is advantageous but not required.
- Hands-on experience in chromatography (ÄKTA, SEC, HIC, and IEX) and protein analytics (mass spectrometry, DLS).
- Direct experience with aseptic mammalian cell culture and plasmid transfection.
- Experience managing CROs.
- Excellent written and verbal communication skills, with the ability to clearly interpret data and present results to project teams.
Preferred Professional Experience & Qualifications
- Experience with site-specific, bioorthogonal conjugation technologies (e.g., engineered cysteines, enzymatic conjugation).
- Knowledge of linker chemistry and stability optimization strategies.
- Experience working in a biotech or translational research environment.
- Strong statistical and data analysis skills.
Ampersand Biomedicines is 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.
Recruitment & Staffing Agencies: Ampersand Biomedicines does not accept unsolicited resumes from any source other than candidates. The submission of unsolicited resumes by recruitment or staffing agencies to Ampersand and/or Flagship Pioneering or its employees is strictly prohibited unless contacted directly by Ampersand or 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 Ampersand and FSP, and Ampersand/FSP will not owe any referral or other fees with respect thereto.
COMPENSATION
- Salary Range: $100,000.00 - $143,000.00.
Compensation for the role will depend on a number of factors, including a candidate’s qualifications, skills, competencies, and experience. Ampersand currently offers healthcare coverage, annual incentive program, retirement benefits and a broad range of other benefits. Compensation and benefits information is based on Ampersand’s good faith estimate as of the date of publication and may be modified in the future.

INTRODUCTION
Ampersand Biomedicines is a Flagship Pioneering company on a mission to transform patients’ lives with programmed medicines that work precisely where needed, and nowhere else. We’re building a collaborative, mission-driven team that thrives in a fast-paced environment and shares a genuine desire to make a difference. We ACT our values by working with Agility to adapt and deliver impact, leading with Compassion to put people first, and practicing Transparency to build trust through openness, clarity, and integrity. At Ampersand, employees are encouraged to explore breakthrough science, take chances, support one another, and contribute ideas and perspectives openly.
THE ROLE
Ampersand is currently seeking a highly motivated scientist with a background in antibody-oligonucleotide/drug conjugate (AOC/ADC) and protein sciences to contribute to the discovery and development of AND-Body™ Therapeutics. This position will emphasize creating and analyzing new antibody modalities to develop biologic therapies targeted at specific tissues.
Key Responsibilities
- Collaborate with cross-functional teams to develop AOC/ADC biomolecules that enable targeted delivery to tissues of high interest.
- Co-lead AOC/ADC projects to advance therapeutic candidates, working closely with Ampersand stakeholders, advisors, and CRO collaborators.
- Supervise the design and execution of studies, as well as in the interpretation of data for both in vitro and in vivo research.
- Develop a state-of-the-art platform to facilitate biophysical and biochemical analyses of novel antibody modalities.
Required Professional Experience & Qualifications
- Strong technical background in AOCs; direct experience with siRNA design, antibody engineering, bioconjugation chemistry, or oligonucleotide therapeutics is highly preferred.
- PhD in Biochemistry, Chemical Biology, or a related scientific discipline with 2+ years of experience; exceptional candidates with significant experience and without a doctorate will be considered.
- Previous industry experience is advantageous but not required.
- Hands-on experience in chromatography (ÄKTA, SEC, HIC, and IEX) and protein analytics (mass spectrometry, DLS).
- Direct experience with aseptic mammalian cell culture and plasmid transfection.
- Experience managing CROs.
- Excellent written and verbal communication skills, with the ability to clearly interpret data and present results to project teams.
Preferred Professional Experience & Qualifications
- Experience with site-specific, bioorthogonal conjugation technologies (e.g., engineered cysteines, enzymatic conjugation).
- Knowledge of linker chemistry and stability optimization strategies.
- Experience working in a biotech or translational research environment.
- Strong statistical and data analysis skills.
Ampersand Biomedicines is 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.
Recruitment & Staffing Agencies: Ampersand Biomedicines does not accept unsolicited resumes from any source other than candidates. The submission of unsolicited resumes by recruitment or staffing agencies to Ampersand and/or Flagship Pioneering or its employees is strictly prohibited unless contacted directly by Ampersand or 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 Ampersand and FSP, and Ampersand/FSP will not owe any referral or other fees with respect thereto.
COMPENSATION
- Salary Range: $100,000.00 - $143,000.00.
Compensation for the role will depend on a number of factors, including a candidate’s qualifications, skills, competencies, and experience. Ampersand currently offers healthcare coverage, annual incentive program, retirement benefits and a broad range of other benefits. Compensation and benefits information is based on Ampersand’s good faith estimate as of the date of publication and may be modified in the future.
Job Roles at Ampersand Biomedicines Companies
How to Get Visa Sponsorship in Ampersand Biomedicines Visa Sponsorship USA
Target roles aligned with your scientific specialty
Ampersand Biomedicines focuses on precision medicine research, so sponsorship is most likely for roles in drug discovery, translational science, or computational biology. Tailor your application to show direct expertise in their therapeutic programs rather than presenting a generalist profile.
Understand the company's early-stage hiring reality
As a clinical-stage biotech, Ampersand Biomedicines hires selectively rather than at scale. Sponsorship decisions carry significant weight at this stage, so demonstrating you're a mission-critical hire, not just a good fit, strengthens your case considerably.
Track open roles consistently, biotech hiring moves fast
Clinical-stage biotechs open and close roles quickly as funding and pipeline milestones shift. Monitor Ampersand Biomedicines openings regularly. Migrate Mate surfaces verified sponsors so you can filter by real sponsorship history and catch new postings early.
Be prepared to discuss your H-1B timeline in the interview
Smaller biotechs appreciate candidates who come prepared on immigration logistics. Knowing when your OPT expires, when the next H-1B cap season opens, and what the H-1B process involves signals you won't create unexpected complications during onboarding.
Highlight publications, patents, or specialized technical skills
In Science & Research hiring, demonstrable expertise matters more than credentials alone. Publications, patents, or advanced proficiency in specific research methodologies strengthen a sponsorship business case, especially at a company where every hire is scrutinized closely.
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Get Access To All JobsFrequently Asked Questions
Does Ampersand Biomedicines sponsor H-1B visas?
Yes, Ampersand Biomedicines sponsors H-1B visas. Given the company's focus on precision medicine research, H-1B sponsorship is primarily concentrated in scientific and technical roles. As a clinical-stage biotech, the company sponsors selectively rather than in large volumes, so applicants should expect a thorough evaluation of both role fit and immigration eligibility before sponsorship is confirmed.
What visa types does Ampersand Biomedicines sponsor?
Ampersand Biomedicines sponsors H-1B and F-1 OPT visas, and also supports TN visa holders. This range covers most international candidates in science and research roles, whether you're coming directly from a graduate program on OPT, transitioning from a TN status, or seeking H-1B sponsorship for longer-term employment in the U.S.
Which departments or roles at Ampersand Biomedicines are most likely to receive visa sponsorship?
Sponsorship at Ampersand Biomedicines is concentrated in scientific and research functions, think roles in drug discovery, molecular biology, computational sciences, and translational medicine. Given the company's precision medicine focus, candidates with specialized expertise in these areas are the strongest fit for sponsored positions. Business and administrative roles are less likely to receive sponsorship.
How do I find open sponsored roles at Ampersand Biomedicines?
The most reliable approach is to use Migrate Mate, which tracks verified visa-sponsoring employers and lets you filter openings by sponsorship history. Because Ampersand Biomedicines hires selectively, roles don't appear constantly, checking regularly and setting up alerts for new postings ensures you don't miss an opening that matches your background.
How do I approach the application process at Ampersand Biomedicines as an international candidate?
Apply as early in your OPT or current status window as possible, since clinical-stage biotechs prefer lead time to assess candidates before immigration decisions are required. Come prepared to discuss your visa timeline in interviews. Emphasize specific technical skills, research output, and how your expertise directly supports Ampersand Biomedicines's pipeline, generic applications are unlikely to clear the bar for sponsorship.
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