Sr. Administrative Assistant
Robert Half
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 who brings strong judgment, warmth, and a strong business presence while keeping daily operations organized and running smoothly. The ideal candidate is comfortable working across teams, communicating with vendors and internal partners, and handling sensitive matters with discretion and confidence.
Responsibilities:• Coordinate calendars, travel plans, and expense submissions for senior leadership, while helping maintain schedules for additional team members as needed.
• Serve as a central point of contact for administrative requests by managing incoming communications, routing mail, and ensuring documents reach the appropriate departments promptly.
• Prepare and send clear, effective correspondence on behalf of leadership, including reminders, follow-up messages, and other business communications.
• Maintain office readiness by overseeing meeting room setup, monitoring workplace supplies and refreshments, and addressing day-to-day administrative needs.
• Partner with facilities, property management, and internal support teams to resolve workspace concerns and support a productive office environment.
• Assist with onboarding activities by coordinating equipment requests, badge access, workspace arrangements, and communication with IT and related teams.
• Support vendor and supply coordination, including ordering office items, tracking requests, and maintaining effective external partner communication.
• Update and manage organizational charts and other administrative records to help keep department information accurate and current.
• Act as a trusted liaison for senior leadership by handling requests effectively, protecting confidential information, and escalating issues when appropriate.• 2+ years of administrative support experience, preferably in a corporate or executive support environment.
• Demonstrated ability to manage calendars, business travel, and expense reporting with strong attention to detail.
• Comfortable working with accounting and finance terminology and supporting leaders in a finance-focused organization.
• Strong interpersonal skills with the ability to build positive relationships across departments and with external vendors.
• Excellent written and verbal communication skills, including the ability to draft clear emails and business correspondence.
• Highly organized and dependable, with the confidence to prioritize tasks, speak up when needed, and handle changing demands effectively.
• Proficiency in office coordination tasks such as mail handling, supply ordering, onboarding support, and meeting preparation.
$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...SeniorHourly payImmediate start- ...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....SeniorFull timeInterim roleWork at office
$56k - $77k
...Job Description Job Description Summary Provides administrative support to the Vice President of Engineering, the Engineering... ...Performs daily office administration duties. Assists with updates to department processes, procedures and training...SeniorPermanent employmentWork at officeShift work- ...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...SeniorFor contractorsWork experience placementLocal area
$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...SeniorFor contractors$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...SeniorFull timeContract workTemporary workWork at officeLocal areaMonday to Friday$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...SeniorImmediate startFlexible hours$49.5k - $77k
...Description What is the opportunity? Provide high-level administrative support to the Divisional Director. At RBC Wealth Management... ...Must-have ~1 to 3 years of experience as an Administrative Assistant preferably supporting at least one senior-level executive ~...SeniorFull timeWork at officeFlexible hours- ...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...SeniorContract workWork at office
- ...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...SeniorWork at office
- 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...SeniorRemote jobContract work
$112.2k - $196.4k
...Supports the development of an integrated master schedule at the project or program level based on input from multiple sites Provide assistance on any potential modifications and development or review of Time Impact Analysis to the construction contractors baseline...SeniorContract workFor contractorsLocal areaWorldwideFlexible hours$21.8 - $28.32 per hour
...Senior Administrative Assistant Job Description Summary: The Senior Administrative Assistant provides administrative support to the Office of Undergraduate Affairs and Special Programs and the Office of the Provost. The position reports directly to the Assistant Provost...SeniorFull timeTemporary workPart timeWork at officeRemote workVisa sponsorshipWork visaMonday to Friday$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 ...SeniorContract workTemporary workFor contractorsWork experience placementImmediate start- 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
- ...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...SeniorFor contractorsShift work
- ...Description Report to the Associate Commissioner: On-Site Location in Washington- Bonuses plus other incentives: The Sr. Executive Assistant provides high-level support to an individual executive, managing complex calendars, coordinating occasional travel, and...SeniorContract work
- 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
- ...Senior Executive Assistant The Senior Executive Assistant provides executive-level administrative support to the Director and plays a central role in ensuring the efficient operation of the office. This position requires a highly experienced and proactive professional...SeniorCivilian ContractorFull timeTemporary workFor contractorsWork at officeImmediate start
- ...management, and data analytic support services to federal and state governments. Clerical and Administrative Support Specialist Supporting SAF/FM (Office of the Assistant Secretary of the Air Force for Financial Management and Comptroller) Employer: US Federal...Temporary workFor contractorsWork at officeMonday to Friday
- ...Administrative And Executive Assistant Looking for an innovative organization and the opportunity to learn and grow professionally? We can help! We are seeking an experienced Administrative And Executive Assistant to support senior leadership and day-to-day operations...Full timeContract workPart timeWork at office
- ...Administrative Assistant - DC/MD/VAJamison Professional Services, Inc. ("Jamison") is currently seeking a qualified and motivated candidate for the position of Administrative Assistant. Job Title: Administrative Assistant DESCRIPTION OF SERVICES: A federal government...Temporary work
$22 - $24 per hour
...Administrative Assistant LHH is partnering with a mission-driven nonprofit organization in the Washington, DC area seeking a Temporary Administrative Assistant to provide immediate support to its political department. This is an excellent opportunity for an organized...Full timeTemporary workWork at officeLocal areaImmediate startRemote workMonday to Friday- ...Administrative AssistantSummit Federal Services, LLC (SFS) with headquarters in Oakland, Maryland, is a fast-growing woman owned Small Business... ...federal agencies. SFS is looking for an Administrative Assistant Location: Washington DC, National GuardPosition OverviewSFS is...Work at officeShift work
- ...This full-time on-site position is focused on reception and outbound physical mail, including copying, scanning, filing and other administrative responsibilities. This law firm receptionist also involves certain tasks associated with legal documents, and correspondence....Full timeH1bMonday to Friday
$58k - $65k
...STATEMENT: The Foundation for the National Institutes of Health (FNIH) is seeking a highly organized and proactive Administrative Assistant to support the Strategic Alliances and Translational Sciences divisions, a passionate team of professionals building and...Full timePart timeWork at office$27.3k - $32.67k
Are you an organized, detail-oriented administrative professional looking for a dynamic part-time role? We are seeking a dependable Administrative & Office Support Assistant to serve as the operational heartbeat of a premier association team. In this multi-faceted role...Permanent employmentTemporary workPart timeWork experience placementWork at officeShift work- ...Administrative Assistant II ProSidian Seeks a Administrative Services Administrative Assistant II located: CONUS - Fort Worth, TX to provide Financial Services Sector related Human Capital Solutions for Administrative Support Services Services on behalf of The Department...For contractorsWork at officeFlexible hours
$25 - $28 per hour
...Part-Time Administrative AssistantThe Council on Education for Public Health (CEPH) seeks a part-time Administrative Assistant. The position offers the opportunity to collaborate with talented people who are passionate about quality in public health and higher education...Hourly payPart timeWork experience placementWork at officeLocal areaMonday to FridayFlexible hoursShift work$42.79 - $50.48 per hour
...Administrative AssistantThe Administrative Assistant will work directly with the client to provide a wide range of administrative support to advance goals pertaining to the client's inceptions. ACTIVE SECRET CLEARANCE REQUIRED.ResponsibilitiesKey ResponsibilitiesRepresent...Local areaFlexible hours
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Sr. Administrative Assistant. Be the first to apply!
- administrative assistant Washington DC
- part-time administrative assistant Washington DC
- executive team assistant office manager Washington DC
- operations administrative assistant Washington DC
- administrative assistant police department Washington DC
- administrative assistant/recruiting Washington DC
- admin booking assistant Washington DC
- operations assistant Washington DC
- administrative assistant remote Washington DC
- administrative associate Washington DC


