Senior Administrative Assistant

Addison Group

Washington, District of Columbia

JOB DETAILS
SALARY
$25–$30 Per Hour
SKILLS
Administrative Skills, Analysis Skills, Billing, Calendar Management, Communication Skills, Conflict Resolution, Detail Oriented, Establish Priorities, Executive Assistant Skills , Financial Administration, Leadership, Logistics, Microsoft Excel, Microsoft Office, Microsoft Outlook, Microsoft Word, Operational Support, Operations Processes, Organizational Skills, Plan Meetings, Problem Solving Skills, Spreadsheets, Team Player, Travel Planning
LOCATION
Washington, District of Columbia
POSTED
30+ days ago

Job Title: Senior Administrative Assistant

Industry: Administrative / Executive Support / Office Operations

Location: Washington, DC (Hybrid)

Assignment Type: Contract (3–5 months)

Pay: $25–$30/hour (commensurate with experience)

Work Schedule: Full-time | 40 hours/week | Monday–Friday

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

 

About Our Client:

Addison Group is partnering with a well-respected organization in Washington, DC seeking a detail-oriented and reliable Senior Administrative Assistant. The organization values strong organizational skills, proactive problem-solving, and a collaborative mindset, offering a fast-paced and dynamic workplace.

 

Job Description:

The Senior Administrative Assistant will provide high-level administrative support to senior leadership and internal teams. This hybrid contract role (3–5 months) involves managing calendars, coordinating travel, supporting invoice tracking, and organizing internal meetings and events.

 

Key Responsibilities:

  • Manage calendars for senior leadership, including scheduling, conflict resolution, and prioritization.
  • Provide administrative support to executives and team members across various functions.
  • Coordinate travel arrangements and prepare related logistics.
  • Process and track company invoices, maintaining accurate internal spreadsheets.
  • Monitor invoice status updates and support the broader team in financial administration.
  • Assist in planning and executing internal meetings and events, ensuring smooth logistics.

 

Qualifications:

  • 3–5 years of experience in senior administrative or executive assistant roles.
  • Proven experience within calendar management, scheduling, and office operations support.
  • Proficiency in Microsoft Office Suite (Excel, Word, Outlook) and Concur expense system.
  • Strong organizational, analytical, and communication skills.
  • Detail-oriented, dependable, and proactive in approach.
  • Bachelor’s degree preferred but not required; relevant experience will be considered.

 

Perks:

  • Gain valuable experience supporting executive leadership.
  • Contribute to key internal administrative and operational processes.
  • Work in a professional, collaborative office environment.

 

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/