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Senior Administrative Assistant

Administrative - Administrative Assistant Job ID: 2025-15966 Date Posted: 10/13/2025 Primary Location: Walnut Creek, California Hiring Range: $29.21 - $41.99 Workstyle: On-Site
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FM is a leading property insurer of the world's largest businesses, providing more than one-third of FORTUNE 1000-size companies with engineering-based risk management and property insurance solutions. FM helps clients maintain continuity in their business operations by drawing upon state-of-the-art loss-prevention engineering and research; risk management skills and support services; tailored risk transfer capabilities; and superior financial strength. To do so, we rely on a dynamic, culturally diverse group of employees, working in more than 100 countries, in a variety of challenging roles.


We are seeking a highly organized and strategic individual to join us as a Senior Administrative Assistant. This role will support all administrative aspects of the Client Service Team, and jointly support the Account Engineers Team, Operations Manager, and Office Admin Team.

  • Manage incoming and outgoing correspondence with external clients, brokers, and internal stakeholders.

  • Handle a variety of administrative tasks in alignment with company policies and executive preferences, including but not limited to:

    • Complex calendar management

    • Event planning - all logistics from start to finish

    • Expense reports

    • Maintain files and records

    • Purchasing supplies

    • Tracking invoices and budgets

    • Tracking Client Service Team processes

    • Travel itineraries

  • Organize and coordinate in-person and remote meetings for the management team, Client Service Team, and office-wide events as needed.

  • Plans and manages all Client Service events, including but not limited to meetings, trainings, and internal and external client events and social functions.

  • Reserve meeting location(s), coordinate logistics such as technological needs, travel arrangements, catering, reservations, etc.

  • Prepare weekly, monthly, and quarterly reports for management, Client Service Team and Account Engineers.

  • Maintain electronic filing systems, contact databases, various tracking worksheets, etc.

  • Foster a collaborative and responsive work environment with management and team members.

  • Assist and back up the executive assistant and other administrative assistants, when needed.

  • Perform any additional duties requested by management.


  • Advanced proficiency of all Microsoft Suite (Outlook, Word, Excel, PowerPoint) and ability to learn new systems and software used for administrative support.

  • Meticulous attention to detail, highly organized, and strong problem-solving skills.

  • Strategic planning abilities with strong calendar and deadline management.

  • Ability to manage multiple priorities, adapt quickly to changing needs and approach every task with a steady, can-do attitude.

  • Excellent written and verbal communication skills.

  • Proven experience in event planning from concept to completion.

  • Strong interpersonal skills with the ability to build professional internal and external relationships.

  • Leadership capabilities to support and guide other administrative staff.

  • Trusted to handle confidential information with integrity and discretion.

  • Creative skills in designing visual materials and promotional content using diverse tools.

Required Education:

  • Associate’s or Bachelor’s degree.

Highly Preferred Education:

  • Bachelor’s degree.

  • Minimum of 5+ years of administrative experience and event planning

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