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Office Administrator

Addison Group

Washington, DC

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JOB DETAILS
SALARY
$85,000–$105,000 Per Year
SKILLS
Accounts Payable, Accounts Receivable, Administrative Management, Administrative Procedures, Administrative Skills, Billing, Bookkeeping, Calendar Management, Communication Skills, Consulting, Corporate Event Management, Detail Oriented, Documentation, Event Management, Executive Assistant Skills , Expense Management, Expense Reports, Facilities Management, Financial Administration, Follow Through, Fundraising, Interpersonal Skills, Leadership, Logistics Management, Microsoft Excel, Microsoft Office, Microsoft Outlook, Microsoft PowerPoint, Microsoft Word, Multitasking, Office Management, Onboarding, Operational Support, Organizational Skills, Plan Meetings, Process Management, Professional Services, Project/Program Coordination, Property Management, Reconciliation, Schedule Development, Supplier Relationship Management (SRM), Team Player, Technical Operations, Time Management, Travel Planning, Vendor/Supplier Relations, Willing to Travel
LOCATION
Washington, DC
POSTED
2 days ago
Job Title: Office Administrator

Industry: Professional Services / Consulting

Location: Washington, DC (100% In Office)

Assignment Type: Direct Hire

Pay: $85000 - $105000 / Year (depending on experience)

Work Schedule: Monday-Friday, 9:00 AM - 5:30 PM with flexibility required during peak business periods and events.

Benefits: This position is eligible for medical, dental, vision, and 401(k).

About Our Client:

Addison Group is partnering with a highly respected professional services firm in Washington, DC to identify an experienced Office Administrator. This organization offers a polished, fast-paced environment with strong leadership visibility and a collaborative team culture. They are seeking a long-term addition to the team who can serve as a trusted administrative and operational partner while helping maintain a high standard of professionalism across the office.

Job Description:

The Office Administrator will serve in a multifaceted role supporting senior leadership, office operations, finance administration, and event coordination. This individual will play a key role in ensuring day-to-day business functions run efficiently while also supporting high-level meetings, travel coordination, special projects, and large-scale company events. The ideal candidate is highly organized, resourceful, proactive, and comfortable operating within a professional services environment supporting executives and internal teams alike.

Key Responsibilities:
  • Provide high-level calendar management and scheduling support for senior leadership, including coordination with external stakeholders and executive offices
  • Coordinate domestic and international travel arrangements, including itineraries, transportation, lodging, and schedule management
  • Prepare and process expense reports and provide administrative support for special projects and operational initiatives
  • Assist with bookkeeping functions including invoicing, accounts receivable, accounts payable, deposits, and reconciliation support
  • Maintain vendor agreements, renewal schedules, and payment tracking to ensure deadlines are met
  • Support office operations by managing supplies, vendor relationships, facilities coordination, and communication with building management
  • Help facilitate onboarding and offboarding processes, including coordination with internal operations and technology partners
  • Maintain organization of shared administrative systems, calendars, documentation, and office resources
  • Coordinate internal meetings, staff communications, and team activities to support a collaborative office culture
  • Assist in planning and executing company events including client gatherings, team outings, dinners, fundraisers, and large annual events
  • Manage event logistics including vendor coordination, guest tracking, timelines, seating coordination, onsite execution, and post-event follow-up
  • Create and maintain operational documentation, templates, checklists, and administrative procedures to improve efficiency and consistency
Qualifications:
  • 10+ years of administrative, office management, or executive support experience within a professional services environment
  • Previous experience supporting senior executives and managing complex scheduling and travel coordination
  • Must have experience directly supervising at least one administrative employee
  • Strong background in office operations, bookkeeping, invoicing, expense management, and vendor coordination
  • Hands-on experience planning and supporting corporate events ranging from internal meetings to large-scale functions
  • Proficiency with Microsoft Office 365 including Outlook, Excel, Word, and PowerPoint
  • Strong organizational skills with exceptional attention to detail and follow-through
  • Ability to handle confidential information with professionalism and discretion
  • Comfortable managing multiple priorities in a fast-paced environment
  • Strong communication and interpersonal skills with a proactive, solution-oriented approach
  • Bachelor's degree preferred; equivalent professional experience considered
Perks:
  • Opportunity to join a highly visible and well-connected professional services organization
  • Beautiful office environment in a premier DC location
  • Collaborative and polished team culture
  • Exposure to executive leadership and high-profile events
  • Long-term growth potential within a stable organization
  • Diverse responsibilities offering both strategic and hands-on involvement across operations and events


Addison Group is an Equal Opportunity Employer. Addison Group provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state and local laws. Addison Group complies with applicable state and local laws governing non-discrimination in employment in every location in which the company has facilities. Reasonable accommodation is available for qualified individuals with disabilities, upon request.

About the Company

A

Addison Group

Need a job? Need an employee? Then you need Addison Group, the professional staffing and search firm that has reshaped the industry with our excellent placements in the Administrative & HR, Engineering, Executive Search, Finance & Accounting, Healthcare, and IT sectors.

Addison Group has enjoyed rapid growth since its inception in 1999, when a group of visionary industry leaders in Chicago set out with the simple goal of recruiting the best candidates for the best companies. With the help of its strategic investment partner, Trilantic Capital Partners, Addison Group has expanded its reach across the country through 13 offices and six core industry sectors, from Administrative to IT.
COMPANY SIZE
1,500 to 1,999 employees
INDUSTRY
Staffing/Employment Agencies
FOUNDED
1999
WEBSITE
http://www.addisongroup.com/

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