Executive Admin & Projects Coordinator

Addison Group; Washington (District of Columbia); On-site; USD 83,000 - 90,000; Full time

Job summary

Addison Group is seeking a Senior Administrator to provide high-level administrative support to senior leadership and assist with project coordination, business operations, and practice group activities for a global professional services client.

The role requires strong organizational skills, the ability to manage competing priorities, and experience with billing, travel planning, and cross-department collaboration.

Qualifications

• Minimum of three years of senior-level administrative or executive support experience, preferably within professional services, consulting, or a law firm environment.
• Experience supporting multiple executives or senior leaders is required.
• Must have prior billing experience, including familiarity with invoicing processes, project budgets, and billing requirements.
• Advanced proficiency with Microsoft Word, PowerPoint, and Outlook; strong working knowledge of Microsoft Excel required.

Responsibilities

• Provide comprehensive administrative support to senior executives, ensuring their business and operational responsibilities are effectively managed.
• Serve as a primary liaison between leadership and internal departments to coordinate requests, processes, and follow-up items.
• Manage complex domestic and international travel arrangements, including scheduling logistics for meetings and business development activities.
• Support calendar management by prioritizing appointments, coordinating meetings, and helping maximize executive productivity.
• Prepare meeting materials, including agendas, presentations, and supporting documentation; track and distribute follow-up actions as needed.
• Assist with business development efforts by coordinating outreach activities, external meetings, and speaking engagements.
• Maintain and update executive biographies, resumes, and professional materials.
• Prepare expense reports and assist with expense review and approval processes.
• Support project administration activities, including engagement documentation, internal forms, proposals, and project tracking.
• Assist with monthly billing processes, project budgets, and financial reporting requirements.
• Review client agreements and billing requirements, including invoice adjustments, holds, and write-off processes.
• Provide budget updates and financial tracking support for assigned projects.
• Collaborate with teams including Accounting, Legal, Marketing, and other departments to ensure deadlines and business needs are met.
• Assist with event coordination and office initiatives as needed.
• Provide backup administrative, reception, and facilities support to ensure smooth office operations.

Skills

Executive support

Project coordination

Billing experience

Travel arrangements

Budget tracking

Education

Bachelor’s degree preferred

Tools

Microsoft Word

PowerPoint

Outlook

Excel

Job description

Addison Group is seeking a Senior Administrator to provide high-level administrative support to senior leadership and assist with project coordination, business operations, and practice group activities for a global professional services client.

The role requires strong organizational skills, the ability to manage competing priorities, and experience with billing, travel planning, and cross-department collaboration.