Hybrid Executive Assistant

at Commonwealth Fusion Systems

• Job title: Executive Assistant
• Job type: Full Time
• Experience level: Senior, Lead
• Salary: $90,000 - $145,000 per year
• Degree requirement: Bachelor's Degree
• Location requirements: Hybrid, Devens, United States

About the role

• Executive Assistant providing support to C-Suite executives at Commonwealth Fusion Systems. Responsible for administrative tasks in a fast-paced, high-growing work environment in the fusion energy industry.

Responsibilities

• Provide proactive administrative support to multiple C-Suite executives, including complex calendar management, travel coordination, expense reporting, and document preparation
• Serve as a trusted partner and representative for executives, ensuring timely communication and follow-through on priorities
• Manage competing priorities and maintain confidentiality with the highest level of discretion
• Coordinate and host on-site meetings and visits, including managing catering orders, greeting guests, and ensuring meeting spaces are properly set up and equipped
• Partner closely with the broader EA team to ensure seamless communication, scheduling alignment, and support coverage across the executive suite
• Anticipate logistical and operational needs, identify gaps, propose solutions, and execute without being asked twice
• Support cross-functional coordination between executives and their teams, acting as a connector and communicator when needed
• Adapt to shifting priorities and feedback while maintaining a positive, composed, and professional approach

Requirements

• 7+ years of experience as an Executive Assistant, with direct support to multiple executives at the C-suite or senior leadership level
• Proven success in fast-paced, startup or high-growth environments, with the ability to stay organized and calm under pressure
• Strong attention to detail and commitment to delivering high-quality work consistently
• Exceptional written and verbal communication skills
• Demonstrated ability to work independently while also thriving as part of a team
• High emotional intelligence (EQ) - able to read a room, build trust quickly, and navigate sensitive situations with professionalism and empathy
• A reputation for reliability, discretion, and sound judgment, someone leaders can depend on without hesitation
• Tech-savvy with strong proficiency in tools such as Google Workspace, Slack, Zoom and Teams

Benefits

• Competitive compensation with equity
• 13 Company-wide Holidays
• Flexible vacation days
• 10 sick days
• Generous parental leave policy
• Health, dental, and vision insurance
• 401(k) with employer matching
• Professional growth opportunities
• Team-building activities