Director/Senior Director, Compensation

Flagship Pioneering, Inc.•Cambridge, MA

50d

About The Position

Flagship Pioneering is seeking a highly skilled and strategic compensation leader to oversee the design, management, and execution of non-executive compensation programs across our ecosystem. This role sits within the Total Rewards team and is responsible for Flagship's internal operations as well as its Series A and B Portfolio Companies globally. The ideal candidate brings deep expertise in broad-based compensation and market practices, combined with strong cross-functional leadership and executive presence. This is a pivotal leadership role with exposure to all facets of Total Rewards, including executive compensation, equity programs, and global compensation design. While the current focus is broad-based compensation, the right candidate will demonstrate the potential to grow into broader leadership within the Total Rewards function over time.

Requirements

Bachelor's degree in Human Resources, Finance, Business Administration, or a related field; advanced degree and/or relevant certifications (e.g., CCP) aâ¯plus.
10+ years of progressive compensation experience, with specific expertise in broad-based compensation within high-growth or startupâ¯environments.
Experience supporting global workforces and navigating complex, matrixed environments
High executive presence with ability to influence senior stakeholders and deliver recommendations with clarity and confidence.
Strong analytical skills with proficiency in Excel, market pricing tools, and HRIS platforms
Background in biotech, tech, or high-growth venture-backed companies preferred

Nice To Haves

Exposure to executive and equity compensation programs, even if not the primary area of responsibility
Understanding of Total Rewards integration, including benefits, mobility, and people analytics

Responsibilities

Design, implement, and continuously refine broad-based compensation programs across a global footprint, including geographic differentials, salary structures, job leveling, and bonus frameworks.
Lead annual compensation review cycles (merit, bonus, promotion) in close partnership with HR Business Partners, Finance, and Talent Acquisition.
Collaborate with recruiting teams to craft competitive, market-aligned offers while maintaining internal equity.
Conduct ongoing market benchmarking and compensation analysis, leveraging tools such as Radford and Pave.
Maintain and evolve our pay transparency and pay equity frameworks across the organization.
Partner with executive compensation, equity, and benefits leads to ensure cohesive Total Rewards strategy.
Serve as a thought partner to HRBPs and senior business leaders, providing guidance on compensation practices, offer structures, and policy interpretation.
Prepare and deliver insights, reports, and recommendations to senior leadership.
Maintain deep awareness of compensation regulations across key geographies
Develop and maintain localization frameworks to ensure regional competitiveness and compliance.
Advise on global mobility compensation matters and cross-border assignments.
Manage compensation tools, systems, and workflows to ensure accurate, efficient program delivery.
Support compensation-related aspects of M&A and new company creation initiatives.