Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Senior Administrative Assistant

Addison Group

Senior Administrative Assistant

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.

The Senior Administrative Assistant will provide high-level administrative support to senior leadership and internal teams. This hybrid contract role (35 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:

  • 35 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.

Addison Group
Vacancy posted 3 days ago
Similar jobs that could be interesting for youBased on the Senior Administrative Assistant in Washington DC vacancy
  •  ...and state governments. Clerical and Administrative Support Specialist Supporting the US...  ...responsive, and comfortable supporting senior government staff in a fast-paced environment...  ...using established processes. Assist assigned staff with official travel requirements... 
    Senior
    Temporary work
    For contractors
    Work at office
    Monday to Friday

    U.S. Federal Solutions Inc

    Washington DC
    5 days ago
  •  ...Administrative Assistant At HNTB, you can create a career that is meaningful to you while building communities that matter to all of us. For...  ...skills and experience to provide administrative support to senior leaders within HNTB's Advisory practice. Administrative functions... 
    Senior
    Work at office

    HNTB

    Arlington, VA
    3 days ago
  •  ...Americans for Prosperity is part of the Stand Together philanthropic community. We are looking for a Sr. Administrative Assistant to join Americans for Prosperity (AFP). We need a quick-thinking collaborator to support multiple leaders within the AFP policy... 
    Senior
    Immediate start
    Flexible hours

    Stand Together

    Arlington, VA
    4 days ago
  •  ...Overview Location ~ Arlington, VA Job Title ~ Senior Administrative Assistant Salary ~ Commensurate with industry position, depending on experience. Travel ~ May involve travel approximately 10% of the time. We are seeking a Senior Administrative... 
    Senior
    Full time
    Temporary work
    Work at office
    Flexible hours

    Gnostech

    Arlington, VA
    14 days ago
  • $64.8k - $75.29k

     ...Job Description: Position Overview The Sr. Administrative Assistant provides support to three executives in their daily administrative duties. This role is responsible for managing the executives' day-to-day calendar, coordinating domestic and international... 
    Senior
    Work at office
    Remote work

    ESAB

    Bethesda, MD
    4 days ago
  • $54.72k - $71.16k

     ...Senior Administrative Assistant The Senior Administrative Assistant provides high-level administrative, budgeting, and financial support to the Chief Strategy Officer and the four departments within the Chief Strategy Division. This role ensures the smooth and efficient... 
    Senior
    Work at office
    Local area
    Remote work
    Home office

    American Society for Microbiology

    Washington DC
    5 days ago
  • $54.72k - $71.16k

     ...Job Overview The Senior Administrative Assistant provides high-level administrative, budgeting, and financial support to the Chief Strategy Officer and the four departments within the Chief Strategy Division. This role ensures the smooth and efficient operation of... 
    Senior
    Work at office
    Local area
    Remote work
    Home office

    American Society

    Washington DC
    1 day ago
  •  ...Senior Administrative Assistant The Senior Administrative Assistant plays a vital role in supporting the Executive Vice President (EVP) and the Policy & Supervision leadership team. This position offers an opportunity to work closely with senior leaders in a fast-paced... 
    Senior
    Work experience placement
    Work at office
    Flexible hours

    CSBS

    Washington DC
    1 day ago
  •  ...leveraging specialized skills and experience to provide administrative support to senior leaders within HNTB's Advisory practice. Administrative...  ...perform tasks. The position may also include elements of assisting with the preparation of presentations and reports,... 
    Senior
    Full time
    Part time
    For contractors
    Work at office
    Local area
    Immediate start

    HNTB

    Arlington, VA
    2 days ago
  • $145k - $165k

    Overview: The Senior Construction Scheduler is responsible for developing, maintaining, and analyzing detailed construction schedules...  ...provide EPC (Engineering, Procurement, and Construction) services and assist in project development. Our experience spans various systems for... 
    Senior
    Daily paid
    Full time
    Contract work
    Temporary work
    Work experience placement
    For subcontractor
    Work at office
    Local area
    Flexible hours
    Shift work

    MasTec Industrial

    Washington DC
    7 hours ago
  • $27.07 - $56.83 per hour

     ...Description This role provides comprehensive administrative and organizational support and must...  ...real time. Our Sr. Administrative Assistants are integral to meeting our...  ...who operates independently, navigates senior stakeholders with confidence, and brings... 
    Senior
    Hourly pay
    Temporary work
    Flexible hours
    Shift work

    Oracle

    Washington DC
    2 days ago
  • $50.1k - $62.6k

     ...Senior Administrative Assistant, Markets & Food World Wildlife Fund (WWF), one of the world's leading conservation organizations, seeks a Senior Administrative Assistant, Markets & Food. The Senior Administrative Assistant, Markets & Food performs a variety of standard... 
    Senior
    Work at office
    2 days per week

    Worldwide Fund for Nature

    Washington DC
    1 day ago
  •  ...Job Summary We are seeking a Senior Administrative Assistant to provide high‑level administrative and logistical support to a headquarters‑level defense research office. This role ensures smooth day‑to‑day operations, including IT coordination, visitor management, access... 
    Senior
    Work at office

    Chimera Enterprises International

    Arlington, VA
    2 days ago
  •  ...As the Senior Administrative Assistant (temporary-to-hire) with this bipartisan nonprofit in Washington, DC, you will help manage the day-to-day operations of a boutique office while ensuring the principal is supported administratively. This in-office opportunity is ideal... 
    Senior
    Temporary work
    Work at office

    Hawthorne Lane

    Washington DC
    10 hours ago
  • $130k

     ...Ensures timely, complete, and accurate baseline schedule submissions in compliance with company procedures and contracts. ~ Assists with schedule maintenance and change order management as needed. ~ Participates in financial and legal project reviews to... 
    Senior

    Flatiron Construction

    Arlington, VA
    11 hours ago
  •  ...Administrative Assistant Senior | Lockheed Martin Responsibilities include: Administrative support for Senior Manager in the Joint Affordability War Room (AWR). The AWR is a collaborative workspace where F-35 Joint Program Office, Pratt & Whitney and Lockheed Martin... 
    Senior
    Hourly pay

    Lockheed Martin

    Arlington, VA
    3 days ago
  •  ...Administrative Assistant Senior Ghostrock, a subsidiary of Three Saints Bay, LLC, and a Federal Government Contractor industry leader, is seeking an Administrative Assistant Senior. Position Responsibilities: ~ Provide general administrative support and perform clerical... 
    Senior
    For contractors
    Work experience placement
    Local area

    Clearance Jobs

    Arlington, VA
    3 days ago
  • About ISI Professional Services: ISI Professional Services provides mission-critical expertise across a wide range of functional and operational areas. ISI brings over 30 years of experience providing tailored workforce and project management solutions across the ...
    Senior
    For contractors
    Work at office
    Monday to Friday

    ISI Professional Services

    Arlington, VA
    11 hours ago
  •  ...Senior CQV Scheduler Turner & Townsend is a global professional services company with over 22,000 people in more than 60 countries....  ...project team. Monitor schedule deviations and variances and assist in the development of alternative methods for corrective action.... 
    Senior
    For contractors

    Turner & Townsend

    Washington DC
    1 day ago
  • $120k - $150k

     ...Senior Scheduler The Senior Scheduler plays a crucial role in the project team, responsible for developing, maintaining, and analyzing project schedules to ensure timely and efficient completion of construction projects. This position serves as a senior-level expert... 
    Senior
    Full time
    Work at office

    HOFFMAN CONSTRUCTION COMPANY

    Washington DC
    2 days ago
  •  ...Senior Scheduler – Aviation & Infrastructure – DMV Region Washington, D.C. | Maryland | Virginia (DMV Region) Full-Time | On-Site...  ...and phasing strategies to support efficient project delivery • Assist with evaluation of contractor claims, schedule impacts, and change... 
    Senior
    Full time
    For contractors
    Work at office
    Local area

    CMTS

    Washington DC
    3 days ago
  •  ...Senior Scheduler/EVM Analyst Regulus Group: A Leading Air Traffic Management Company for the National Airspace was founded in 2...  ...program management services provider for the Federal Aviation Administration's (FAA) most challenging programs. Regulus Group is a dynamic... 
    Senior
    Work experience placement

    Regulus Group

    Washington DC
    11 hours ago
  • $147.7k - $255.99k

     ...Dental, Vision, Life Insurance, Short‑Term Disability, Long‑Term Disability, 401(k) match, Flexible Spending Accounts, Employee Assistance Program. Education Assistance, Parental Leave, Paid Time Off, Holidays. Washington state additional PTO, vacation, sick leave details... 
    Senior
    Full time
    Temporary work
    Work at office
    Remote work
    Flexible hours
    Shift work
    3 days per week

    Lockheed Martin

    Arlington, VA
    2 days ago
  • T White Parker is seeking a Senior Consultant specializing in project management and scheduling in Washington, D.C. This role involves coordinating multiple projects and supporting business analysis functions within a federal PMO. Key responsibilities include developing... 
    Senior

    T White Parker

    Washington DC
    3 days ago
  • $94k - $120k

    Chenega Corporation is seeking a Senior Executive Scheduler in Washington, DC to provide dedicated executive scheduling support for the Pension Benefit Guaranty Corporation’s senior leadership. This role requires over 5 years of experience managing complex calendars for... 
    Senior

    Chenega Corporation

    Washington DC
    4 days ago
  • A diversified construction firm in Washington, D.C. is seeking a Scheduling Manager to oversee Bid and Baseline Schedule developments for civil construction projects. The ideal candidate will have at least 10 years of experience in scheduling within the heavy civil construction...
    Senior

    S&B USA Construction

    Washington DC
    3 days ago
  •  ...integration, cybersecurity, and mission support solutions to the Department of Defense and Federal customers. We are seeking a senior Integrated Master Scheduler to architect and manage the Integrated Master Schedule for a large-scale defense program that integrates... 
    Senior
    Contract work

    Red River

    Washington DC
    1 day ago
  •  ...of Acquisition & Procurement Support, IT Financial Management, Program Management, and Logistics & Supply Chain Support. Title: Senior Integrated Master Scheduler Client: Federal Agency Location: Remote Clearance: Public Trust Security Clearance... 
    Senior
    Work at office
    Remote work
    Monday to Friday

    Aalis Management Consulting

    Washington DC
    11 hours ago
  • A leading tunneling firm is seeking a Scheduler in Virginia to develop complex master schedules for projects. Responsibilities include coordinating with engineers and subcontractors, generating scheduling scenarios, and leading a team. Ideal candidates should have a Bachelor...
    Senior
    For subcontractor

    Ballard Marine Construction

    Alexandria, VA
    4 days ago
  • $94k

    Senior Executive Scheduler - Washington, DC The Senior Executive Scheduler provides dedicated executive scheduling and time management...  ...as assigned. Qualifications Associate’s degree in business administration, management, communications, public administration, or a... 
    Senior
    Immediate start

    Chenega Corporation

    Washington DC
    4 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Senior Administrative Assistant. Be the first to apply!