Enter a job title or keyword

Transactions Counsel, APEX


Job Location:

Cambridge, MA - USA

Monthly Salary: $ 176000 - 346000
Posted: 22 August 2026 (19 days ago)
Application Deadline: 19 November 2026
Vacancies: 1 Vacancy

Job Summary

About Flagship Pioneering

Flagship Pioneeringinvents 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 tounitelife 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 breakthroughsthat generate exceptional value for people and the planet.

Many of the companies Flagship has founded have addressed humanitys 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 FORTUNEs 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 Companys annual list of the Worlds Most Innovative Companies.

Position Summary

Flagship Pioneering is seeking a highly motivatedTransactions Counselto join our growing Transactions undertakes dozens of complex and value-oriented transactions at any given time including complex joint ventures and partnerships mergers and acquisition initial public offerings licensing and collaborations global fundraising as well as and business and corporate development initiatives. All the activities associated with transactions at Flagship are led by a cross-disciplinary group referred to internally as the APEX Group. APEX is an acronym for Acquisitions Partnership Equity and is an outstanding opportunity for an early-careerattorneywith strong transaction experience who wants exposure to some of the most innovative companies and partnershipsinvolved in ground-breaking transactions.

Responsibilities

TheTransactions Counselwill have the following responsibilities and opportunities:

  • Partner with internal stakeholders and outside counsel on a wide range of transactions and corporate matters including venture financings capital markets and M&A transactions general corporate governance and equity issuances.
  • Provide legal counsel and support for cutting-edge high growth companies in the Flagship Enterprise.
  • Work on all aspects of financing and corporate governance matters with Flagships 40 public and private companies.
  • Review prepare and negotiate a range of financing and governance documents that include term sheets financing documentsboardand stockholder consents.
  • Conduct legal research for senior corporate attorneys.
  • Provide guidance to Flagships internal finance team and portfolio company teamsregardingcorporate governance matters internalpoliciesand general best practices.
  • Assistin compliance matters as well as standardizing processes andmaintainingforms for the legal group.
  • Manage teams of external counsel to drive a high volume of deals to closure.
  • Develop strong working relationships with internal stakeholders as well as external counsel and portfolio company teams.

Key Qualifications

  • JD degreerequiredand admission to practice law in Massachusetts or another state bar in the United States; outstanding academic credentials.
  • 3-5years of relevant experience preferably in the corporate department of a nationally recognized law firm.
  • Strong understanding of equity financing equity awards and stock incentive plans and corporate governance.
  • General experienceboth working in teamsand inmanaging substantial components of transactions independently.
  • Ability to prioritize and manage multiple tight deadlines ina frequentlyhigh-paced and high-volume environment with competing demands.
  • Comfortable working in an entrepreneurial and fast-paced environment on compressedtimeframesand with constant change.
  • Extensive experience in and comfortable withindependentlydriving deals to closure and managing others to meet mandated timelines.
  • Extensiveclientcontact experience and the highest caliber of professionalism and client management skills.
  • Effective in understanding strategic goals prioritizing key issues and finding pragmatic solutions to these issues for a wide range of transactions.
  • Excellent written and sophisticated verbal communication skills.
  • Exceptional interpersonal skills and the ability to work collaboratively and cooperatively asa strong teamplayer (a roll up the sleeves attitude isrequired) with the ability to develop important relationships at all levels.
  • Strong attention to detail emotional intelligence nimble perseverance unflappable humble adaptable and nimble witha strong senseof urgency and commitment to execution.

What Makes You Successful

You are someone who:

  • Thrives in ambiguity and enjoys solving complex business problems.
  • Is equally comfortable discussing financial models business strategy legal agreements and transactionstructures.
  • Can move seamlessly between detailed execution and strategic thinking.
  • Builds strong relationships across diverse teams.
  • Has exceptional judgment curiosity and attention to detail.
  • Enjoys working in a fast-moving innovative environment where no two transactions are alike.

Why Join Flagship

At Flagshipyoullhave the opportunity to work on groundbreaking transactions that help launch and scale pioneeringscience and exposure to company creationand building venture financing strategic partnerships licensing acquisitions and innovative business models while working alongside leaders across science investing legal finance and business development.

This role offers exceptional breadth responsibility and learning for someone looking to build a long-term career at the intersection of innovation transactions and company building.

The salary range for this role is $128000 - $176000. Compensation for the role will depend on a number of factors including a candidates 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 Pioneerings good faith estimate as of the date of publication and may be modified in the future.

#LI-NM1

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

The salary range for this role is $176000 - $346000. Compensation for the role will depend on a number of factors including a candidates 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 Pioneerings 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


About Company

Company Logo

We are Flagship Pioneering We are a biotechnology company that invents platforms and builds companies that change the world. Pioneering Partnerships…

View Profile View Profile