Executive Office & Events Administrator

Addison Group; Washington (District of Columbia); On-site; USD 85,000 - 105,000; Full time

Benefits offered by this job

Opportunity to join a high-profile, DC

Premium DC location office

Collaborative and polished team

Exposure to executive leadership and顶部

Job summary

Addison Group is partnering with a highly respected professional services firm in Washington, DC to identify an experienced Office Administrator. This role supports senior leadership, office operations, and events in a polished, fast-paced environment.

The ideal candidate will have 10+ years of administrative experience, strong scheduling and travel coordination skills, and a proven ability to supervise administrative staff.

Qualifications

• 10+ years of administrative, office management, or executive support experience.
• Experience supporting senior executives and managing complex scheduling and travel.
• Direct supervision of at least one administrative employee.
• Strong background in office operations, invoicing, expense management, vendor coordination.
• Experience planning and supporting corporate events, internal meetings, large functions.
• Proficiency with Microsoft Office 365 including Outlook, Excel, Word, PowerPoint.
• Excellent organizational skills and attention to detail, discretion with confidential information.
• Ability to manage multiple priorities in a fast-paced environment.
• Bachelor's degree preferred; equivalent professional experience considered.

Responsibilities

• Provide high-level calendar management and scheduling support for senior leadership, including coordination with external stakeholders.
• Coordinate domestic travel arrangements, itineraries, lodging, and schedule management.
• Prepare and process expense reports and support special projects and operational initiatives.
• Assist with bookkeeping functions including invoicing, accounts receivable/payable, deposits, and reconciliation.
• Maintain vendor agreements, renewal schedules, and payment tracking.
• Support office operations by managing supplies, vendor relationships, facilities coordination, and building communications.
• Help with onboarding and offboarding processes with internal operations and technology partners.
• Maintain organized administrative systems, calendars, documentation, and office resources.
• Coordinate internal meetings, staff communications, and team activities for a collaborative culture.
• Assist in planning and executing company events including client gatherings, team events, dinners, and large annual events.
• Manage event logistics including vendor coordination, guest tracking, timelines, seating, onsite execution, and follow-up.
• Create and maintain operational documentation, templates, checklists, and procedures.

Skills

Executive support

Calendar management

Travel coordination

Event planning

Budgeting & invoicing

Vendor management

Team supervision

Strong communication

Discretion & confidentiality

Education

Bachelor's degree preferred

Tools

MS Office 365

Job description

Addison Group is partnering with a highly respected professional services firm in Washington, DC to identify an experienced Office Administrator. This role supports senior leadership, office operations, and events in a polished, fast-paced environment.

The ideal candidate will have 10+ years of administrative experience, strong scheduling and travel coordination skills, and a proven ability to supervise administrative staff.