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Executive Assistant & Office Manager

Executive Assistant & Office Manager

CompanyPhysicsX
LocationNew York, NY, USA
Salary$90000 – $130000
TypeFull-Time
Degrees
Experience LevelJunior, Mid Level

Requirements

  • Demonstrated experience in Office Management and Executive Assistant roles, ideally within a fast-paced or high-growth environment.
  • Ability to anticipate needs, prioritise effectively, and understand the broader context when making decisions or supporting the leadership team.
  • Exceptional attention to detail, ability to manage multiple tasks and stay calm under pressure.
  • Clear, professional communicator across written, verbal, and digital channels.
  • Able to handle sensitive information with a high degree of confidentiality and discretion.
  • Comfortable with shifting priorities and flexible to support a growing, fast-paced organisation.
  • Enjoys working with diverse personalities, building relationships, and contributing to a social, inclusive team environment.
  • Confident using Microsoft Office (Outlook, Word, Excel, PowerPoint) and travel booking systems.

Responsibilities

  • Provide high-quality, proactive support to the Managing Director, North America, including diary management, internal and external meeting coordination, travel arrangements and other tasks as needed.
  • Provide support to other team members with scheduling as needed.
  • Collaborate with UK-based Executive Assistants to manage scheduling, priorities, and cross-regional alignment.
  • Coordinate logistics for internal and external meetings (both in-person and virtual), including workshops, tradeshows, etc.
  • Ensure timely processing of expenses and timesheets.
  • Book and manage domestic and international travel for North American team using the company’s travel booking system.
  • Cover for other Executive Assistants in US and UK.
  • Assist with office move currently scheduled for September 2025.
  • Support the smooth operation of our NY office, including managing supplies, vendors, and facilities.
  • Act as the first point of contact for all guests and office-related queries, ensuring a positive and efficient work environment.
  • Assist with the planning, coordination and execution of team events, meetings, and social activities.
  • Liaise with the London-based Operations team to ensure alignment on tools, processes, and standards across offices.
  • Ensure timely submission of timesheets and other routine administrative requirements for the North American team.

Preferred Qualifications

  • Ideally experience working across time zones and for an international company.