Senior Administrative Assistant

Addison Group; Washington (District of Columbia); Hybrid; Full time

Job summary

A leading organization in public policy is seeking a Senior Administrative Assistant to provide high-level support to senior leaders. This hybrid role involves extensive calendar management, event coordination, and cross-team support in a dynamic environment, offering opportunities for growth and development.

Benefits

Opportunity to transition to a full-time role with salary + bonus potential

Outstanding benefits package upon conversion

High-visibility role with leadership committed to employee development

Collaborative and mission-focused work culture

Qualifications

• 3–5+ years of administrative or project support experience.
• Prior experience supporting executive or senior-level leadership.

Responsibilities

• Coordinate logistics for meetings and events.
• Manage executive calendars and travel arrangements.
• Process expense reports and purchase orders.

Skills

Organization

Communication

Time Management

Education

Associate's or Bachelor's degree

Tools

Microsoft Office

Workday

Job description

Job Title: Senior Administrative Assistant

Location (city, state): Washington, DC (Hybrid – Onsite Tuesdays & Wednesdays)

Industry: Public Policy / Government Affairs

Pay: $25–$30/hour

Type: Contract-to-hire opportunity

Background check: Required

About Our Client:

Addison Group is partnering with a dynamic, mission-driven organization in the policy and advocacy space. This team is known for identifying and nurturing top talent and is seeking a high-performing administrative professional ready to grow within the organization.

Job Description:

The Senior Administrative Assistant will provide high-level support to senior leaders within the Government Affairs and Strategic Engagement teams. This role involves extensive calendar management, event coordination, and cross-team support in a fast-paced, highly visible environment.

Key Responsibilities:

• Coordinate logistics for meetings and events, including vendor coordination, participant communications, RSVPs, and venue setup
• Manage executive calendars, travel arrangements, and meeting preparation
• Process expense reports, purchase orders, and reimbursement requests
• Assist with formatting and preparing presentation materials for internal and external engagements
• Maintain up-to-date records in internal systems, including contact lists and committee databases
• Support planning for large-scale annual conferences and strategic forums
• Facilitate communication between senior staff and key stakeholders
• Complete ad hoc administrative tasks and assist with special projects as needed

Qualifications:

• 3–5+ years of administrative or project support experience, preferably in a corporate or nonprofit environment
• Prior experience supporting executive or senior-level leadership
• Proficient in Microsoft Office (Excel, PowerPoint, Word); familiarity with Workday or CRM tools is a plus
• Highly organized and detail-oriented, with strong time management and multitasking skills
• Professional demeanor with excellent communication and customer service abilities
• Associate’s or Bachelor’s degree preferred; relevant experience accepted in lieu of degree

Perks:

• Opportunity to transition to a full-time role with salary + bonus potential
• Outstanding benefits package upon conversion
• High-visibility role with leadership committed to employee development
• Collaborative and mission-focused work culture

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