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

This hybrid contract role (2-3 months) provides senior-level administrative support to leadership and internal teams. Core responsibilities include calendar management, travel coordination, invoice tracking, and helping organize internal meetings and events.

Key Responsibilities:

  • Own calendar management for senior leaders, including scheduling, resolving conflicts, and prioritizing competing requests
  • Provide broad administrative support across executives and cross-functional teams
  • Arrange travel logistics and related planning details
  • Track and process company invoices, keeping internal spreadsheets accurate and up to date
  • Follow up on invoice status and assist with financial administration tasks
  • Help plan and execute internal meetings and events, managing logistics start to finish

Qualifications:

  • 35 years of experience in senior administrative or executive support roles
  • Demonstrated background in calendar management, scheduling, and office operations
  • Proficient in Microsoft Office (Excel, Word, Outlook) and Concur expense reporting
  • Strong organizational, analytical, and communication skills
  • Detail-oriented, reliable, and proactive
  • Bachelor's degree preferred, not required; relevant experience considered

Perks:

  • Direct exposure to executive-level support work
  • Involvement in core internal administrative and operational functions
  • Professional, collaborative office environment
Addison Group
Vacancy posted 3 days ago
Similar jobs that could be interesting for youBased on the Senior Administrative Assistant in Washington DC vacancy
  •  ...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... 
    Senior
    For contractors
    Work experience placement
    Local area

    Three Saints Bay

    Arlington, VA
    2 days ago
  • $145.6k - $187.2k

     ...Senior Scheduler Position Summary: Provides detailed oversight and reporting for contractor schedule submittals. Monitors critical path activities, logic structures, and schedule interfaces. Updates the project schedule monthly, performs variance analysis, recommends... 
    Senior
    For contractors

    Cornerstone Concilium Inc

    Washington DC
    4 days ago
  • $26 - $30 per hour

     ...Job Title: Senior Administrative Assistant Industry : Administrative / Executive Support / Office Operations Location : Washington, DC (Hybrid) Assignment Type : Contract (2-3 months) Pay : $26 - $30 / Hour (commensurate with experience) Work Schedule... 
    Senior
    Full time
    Contract work
    Temporary work
    Work at office
    Local area
    Monday to Friday

    Addison Group

    Washington DC
    a month ago
  • $60k - $90k

     ...better way.    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... 
    Senior
    Immediate start
    Flexible hours

    Stand Together

    Arlington, VA
    11 days ago
  • $49.5k - $77k

     ...the opportunity? Provide high-level administrative support to the Divisional Director....  ...and presentations Communicate with senior-level executives and clients with discretion...  ...years of experience as an Administrative Assistant preferably supporting at least one... 
    Senior
    Full time
    Work at office
    Flexible hours

    Royal Bank of Canada

    Washington DC
    more than 2 months ago
  • $72.6k - $90.75k

     ...SUMMARY Under general supervision, responsible for providing administrative support managing complex schedules, handling diverse...  ...time off Employee recognition and discount programs Education assistance Employee referral bonus program Annual Base Salary Range: $... 
    Senior
    Work experience placement
    Work at office

    ITG Brands

    Washington DC
    3 days ago
  •  ...Job Description Job Description 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... 
    Senior
    Work at office

    Chimera Enterprises International

    Arlington, VA
    9 days ago
  • A consulting firm in Washington, D.C. is seeking a Master Scheduler for a contract with a Federal Government Agency. This remote role involves managing project schedules and ensuring accurate reporting for federal projects. Candidates must have a Master’s degree and extensive...
    Senior
    Remote job
    Contract work

    TeleSolv Consulting

    Washington DC
    3 days ago
  • $21.8 - $33.98 per hour

     ...Senior Administrative Assistant The Senior Administrative Assistant provides enhanced administrative support to one or more individuals. This position coordinates schedules and maintains calendars for assigned staff, regularly prioritizing and arranging meetings, conferences... 
    Senior
    Full time
    Temporary work
    Part time
    For contractors
    Work at office
    Remote work
    Visa sponsorship
    Work visa
    Monday to Friday

    The George Washington University

    Washington DC
    2 days ago
  • $112.2k - $196.4k

     ..., and other supporting services to achieve program success. Senior Scheduler/Analyst creates, maintains, updates, analyzes, and reports...  ...or program level based on input from multiple sites Provide assistance on any potential modifications and development or review of... 
    Senior
    Contract work
    For contractors
    Local area
    Worldwide
    Flexible hours

    Parsons Corporation

    Washington DC
    1 day ago
  • $97.96k - $103.11k

    Scheduler For DoD Customer's Classified Network ServicesAbile Group has an exciting and challenging opportunity for a potential Scheduler supporting a DoD Customer's Classified Network Services. The mission will include Operations, Compliance, Cyber Security, Customer ...
    Senior
    Contract work
    Temporary work
    For contractors
    Work experience placement
    Immediate start

    Abile Group, Inc.

    Washington DC
    4 days ago
  • KBR is seeking a Senior Integrated Scheduled Analyst to support AF/A10 nuclear modernization efforts. The role focuses on developing and maintaining integrated master schedules across programs, providing leadership with visibility into critical paths and risk, and coordinating... 
    Senior

    KBR Careers

    Arlington, VA
    4 days ago
  •  ...Mandatory Skills: # Bachelor's or Master's degree in project management, Business Administration, Information Technology, or a related field; or equivalent professional experience. # Minimum ten (10) years of progressive experience in project or program schedule... 
    Senior
    For contractors
    Shift work

    California Creative Solutions Inc.

    Washington DC
    2 days ago
  • Nakupuna Consulting is seeking a Management Analyst IV- Scheduler/Risk Manager in Arlington, VA, to provide data analysis, complex problem solving, and leadership for a large IPPS-A AMP program. The role includes mentoring junior staff and partnering with government stakeholders...
    Senior

    Nakupuna Companies

    Arlington, VA
    5 days ago
  •  ...Job Description Job Description FACILITIES ASSISTANT - SENIOR CENTER Stilly Valley Center | Arlington, WA | Full-time, in person...  ...Responsibilities span hands-on maintenance, member service, and administrative tasks, including assisting the event planner with... 
    Senior
    Full time
    For contractors
    Work at office
    Flexible hours
    Shift work

    STILLAGUAMISH SENIOR CENTER

    Washington DC
    9 days ago
  • $21 - $25 per hour

     ...Job Summary/Company : Sparks Group is seeking a Bilingual (Spanish) Administrative Assistant to manage the office and handle duties for upper management for an international health agency. We are looking for an individual who is efficient and comfortable being a member... 
    Senior
    Hourly pay
    Immediate start

    Sparks Group

    Washington DC
    4 days ago
  • Prince George's County Government is seeking an Administrative Aide 3 to support the CDBG Portfolio Management Division. The role focuses on...  ..., handling confidential labor-relations tasks, and supporting senior staff across interagency collaborations. The position requires... 
    Senior
    Work at office
    Weekend work
    Afternoon shift

    Prince George's County Public Schools

    Upper Marlboro, MD
    2 days ago
  •  ...Job Description Job Description We are looking for a Senior Administrative Assistant with relevant experience to provide high-level support to leadership within the accounting and finance organization in Washington. This Long-term Contract position calls for someone... 
    Senior
    Long term contract
    Work at office

    Robert Half

    Washington DC
    3 days ago
  • Applied Research Associates, Inc. (ARA) in Arlington, VA seeks a Senior Executive Administrative Assistant to support the Office of the Secretary of War. The role involves coordinating complex travel, preparing and routing technical documents, and assisting in office administration... 
    Senior
    Work at office
    Remote work

    Ara

    Arlington, VA
    5 days ago
  • $23.84 - $39.74 per hour

     ...Administrative Assistant Provides high level, more complex secretarial/administrative support to senior management employees or groups in the Bank Primary Responsibilities: # Serve as a liaison between manager and bank personnel, responding to questions and issues... 
    Senior
    Hourly pay

    Wilmington Trust

    Mc Lean, VA
    3 days ago
  •  ...are a fast-growing government contracting firm specializing in administrative, IT, and mission support services across federal agencies. We...  ...Provide day-to-day conference room and training center support. Assist with AV setup, troubleshooting, and event readiness.... 
    Senior
    Full time
    Interim role
    Work at office

    Connexus Hub

    Arlington, VA
    11 days ago
  •  ...Administrative Assistant III The Administrative Assistant III performs a wide variety of tasks such as typing, formatting, and editing correspondence...  ...telephone, screens and routes calls and takes messages for senior staff. Provides information as appropriate; greets and... 
    Senior
    Work at office

    FINRA

    Mc Lean, VA
    5 days ago
  • $25 - $30 per hour

     ...Job Description Job Description 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... 
    Senior
    Full time
    Contract work
    Work at office
    Local area
    Monday to Friday

    Addison Group

    Washington DC
    10 days ago
  • $80k - $90k

    Jobot is assisting a premier AM-100 law firm in Bethesda, MD to hire a Legal Administrative Assistant for a full-time, in-office role. The ideal candidate will bring 5+ years of law firm experience, with background in business or securities law and excellent written, verbal... 
    Senior
    Full time
    Work at office

    Jobot

    Bethesda, MD
    2 days ago
  • Intra Management Solutions, Inc. is looking for an experienced Program Scheduler to manage and integrate master plans and schedules for Department of Defense (DOD) or Department of Energy (DOE) programs. The ideal candidate will have over 10 years in scheduling, expertise...
    Senior

    Intra Management Solutions, Inc.

    Mc Lean, VA
    4 days ago
  • Senior Admin Support - Project Information Specialist Position Title: Senior Administrative Support / Project Information Specialist Focus Areas: Facilities Support, Audio‑Visual...  ...role supports administrative systems, assists staff, enhances operational processes, and... 
    Senior

    D2 Government Solutions

    Arlington, VA
    1 day ago
  • $70k - $130k

    Senior Administrative Assistant II Novartis Cambridge, MA 70,000 to 130,000 a year to Full-time Summary Senior Administrative Assistant II Location: Cambridge, MA to Hybrid Domestic Relocation is available for this role. The successful candidate will provide administrative... 
    Senior
    Full time
    Work at office
    Relocation
    Relocation package
    Flexible hours

    Novartis

    Washington DC
    19 hours ago
  • $79.3k - $90.5k

     ...Senior Administrative Assistant (Administrative Support Assistant III) Corporate Development Capital One is looking for an exceptionally bright, multitasking, and self-motivated experienced Administrative Support Assistant III to support 4 to 6 executives in a fast-... 
    Senior
    Full time
    Part time
    Work at office
    Local area

    Capital One

    Falls Church, VA
    2 days ago
  •  ...Arlo Solutions is seeking an Executive Assistant to provide direct administrative support to senior leadership at the Defense Nuclear Facilities Safety Board (DNFSB) in Washington, DC. The role requires proactive coordination of calendars, meetings, travel, and briefing... 
    Senior

    Arlosolutionsllc

    Washington DC
    5 days ago
  •  ...in French and English, and ready to operate at the highest levels of diplomacy? Redda Group has been engaged to recruit a Senior Executive Assistant for the Ambassador of a prominent embassy in Washington, D.C. We are seeking an exceptional professional, someone who... 
    Senior
    Work at office

    The Redda Group Corporation

    Washington DC
    2 days ago

Do you want to receive more vacancies?

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