Senior Administrative Assistant

Burbank · USD 85,000-110,000 · 5+ years experience · Onsite · Posted Oct 5, 2026

At a glance

Sphere Entertainment is seeking a Senior Administrative Assistant to provide comprehensive support to senior leadership and their teams.
The role requires an individual who can act with independence and intellectual curiosity to maintain a responsive relationship to daily business activities.
The assistant will ensure seamless coverage and continuity of operations across the organization, including supporting additional executives as needed.

Coordinate and arrange executive meetings and schedules in an always shifting environment.
Serve as a liaison across internal departments to ensure smooth communication.
Track meeting action items and follow-up tasks to ensure timely completion.
Prepare travel and expense reports using Concur or a comparable program.
Organize and maintain documents for executive use with proper version control.
Coordinate detailed meeting logistics including materials, instructions, and A/V setup.
Review emails, phone calls, and correspondence to identify appropriate follow-up actions.
Prepare comprehensive event and travel itineraries and contact lists.
Manage highly confidential and proprietary information with discretion.
Support logistics, scheduling, and coordination for high-priority team events and off-sites.

Minimum of 5+ years experience supporting senior executives in a matrixed organization.
Well-organized, detail-oriented, and able to multi-task as a strategic thinker.
Experience managing highly changeable calendars with tact, diplomacy, and sound judgment.
Ability to quickly learn organizational structure and execute objectives in a complex environment.
Ability to maintain confidentiality and professionalism at all times.
Experience with Concur or a comparable platform for expenses and travel.
Proficiency in Microsoft Outlook, Excel, Word, PowerPoint, Teams, Slack, Zoom, and Google Workspace.
Availability to work outside of normal business hours to accommodate required schedules.