Executive Assistant

flagshippioneeringinc

Cambridge, MA USA · Cambridge · United States

Posted Jul 10, 2026

Other
On-site
Admin

Job description

Flagship Pioneering is a bioplatform innovation company that invents and builds platform 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. Those big leaps in human health and sustainability exponentially accelerate scientific progress in areas ranging from cancer detection and treatment to nature-positive agriculture.  

 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 scientific founders, entrepreneurial leaders, and professional capital managers are each aligned around an institutionalized process that enables us to innovate and transform 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 twice named to Fast Company’s annual list of the World’s Most Innovative Companies.

Position Summary:

This is an exciting opportunity for an Executive Assistant supporting the Chief Business Development Officer and the Business Development Leadership Team.

This role is ideal for an experienced Executive Assistant who can operate with a high degree of professionalism, discretion, and independence while managing a broad range of administrative responsibilities. The position engages primarily with external Flagship stakeholders and plays a key role in supporting Flagship’s partnering efforts across the pharmaceutical ecosystem.

The successful candidate will be highly detail-oriented, possess exceptional organizational skills, and be able to proactively build strong relationships across the organization. Critical thinking, creative problem-solving, and the ability to ensure effective communication and follow-through are essential. The role requires someone who can quickly develop organizational knowledge, anticipate needs, and support complex business priorities.

This position is based in our Cambridge office and requires onsite presence at least 4 days per week.

Responsibilities:

Reporting to the Senior Manager, Executive and Admin Services, the Executive Assistant’s responsibilities include, but are not limited to:

• Coordination of calendars to enable the operational day-to-day activities of our ever-changing venture creation company.

• Coordinate domestic and international travel plans including managing expense reporting and reimbursements.

• Responsible for proactively coordinating meetings, creating agendas, and managing internal and external communications on behalf of the department.

• Act as primary point of contact for potential external partners ensuring a professional and welcoming representation of the organization

• Collaborate with other Executive Assistants and administrative staff members to coordinate calendars, manage requests, and facilitate events. Provide back-up coverage to other Executive Assistants as necessary.

• Manage projects for a variety of initiatives that foster intradepartmental collaboration and advancing the priorities of the department.

• Complete a broad range of in-office administrative tasks including but not limited to greeting guests, planning and coordinating events, ordering meals

Requirements:

• At least 7 – 10 years of experience providing administrative support to C-suite executives.

• Experience managing external relations or serving as a liaison between executive leadership and external stakeholders

• High level of commitment, availability and responsiveness outside core working hours including weekends as needed.

• Comfort and readiness to work in a dynamic, demanding, and fast-paced environment.

• Exceptionally organized with keen attention to detail with the ability to shift focus and priorities, when necessary, under pressure and within deadlines.

• Outstanding verbal and written communication skills; strong ability to inform and engage through written communications.

• Excellent interpersonal and relationship-building skills.

• Professional, positive manner, with experience in a role requiring a high degree of discretion and confidentiality.

• Excellent problem-solving skills and resourcefulness; ability to follow-through and close loops.

• Strong work ethic and an entrepreneurial spirit to accommodate high level of responsibility and multiple priorities. Energetic, enthusiastic, can-do attitude, and interested in learning within a fast-paced, fast-growth organization.

• Proficient in MS Word and PowerPoint with Advanced Outlook organizational skills.

Joining Flagship Pioneering will allow you to:

Make an impact as part of a Fortune “Change the World” company
Be energized by an exciting startup culture
Surround yourself with inspirational colleagues and leaders
Support innovative breakthroughs in health care and sustainability
Expand your horizons with opportunities for professional growth
Enjoy unparalleled employee benefits and rewards programs

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.

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.

#LI-NM1

The salary range for this role is $120,000 - $145,000. Compensation for the role will depend on a number of factors, including a candidate’s qualifications, skills, competencies, and experience. Flagship Pioneering currently offers healthcare coverage, annual incentive program, retirement benefits and a broad range of other benefits. Compensation and benefits information is based on Flagship Pioneering'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 privacy@flagshippioneering.com.