Front Desk Administrative Assistant; Part-Time

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Front Desk Administrative Assistant (Part-Time)

ATCS is seeking a dependable and personable Front Desk Administrative Assistant to serve as the first point of contact for visitors, clients, and callers at our Herndon corporate headquarters. This part-time, on-site role covers Tuesday through Thursday and combines reception duties with general administrative and document support for the office. The ideal candidate is organized, professional, and comfortable managing multiple tasks in a busy environment while producing accurate, client-ready work.

Greet visitors, clients, and vendors in a courteous and professional manner, and direct them to the appropriate person or area.

Answer, screen, and route incoming phone calls; take accurate messages and follow up as needed.

Keep the reception area, lobby, and shared spaces tidy, stocked, and presentable.

Build and maintain positive working relationships with key internal contacts and external clients, vendors, and visitors.

Manage incoming and outgoing mail, packages, and courier deliveries.

Perform data entry, filing, scanning, copying, and document preparation.

Format and edit letters, reports, and other correspondence from draft stage through client-ready work; develop business documents from information provided, with minimal guidance.

Maintain an organized filing and document management process for both electronic and paper records.

Schedule appointments and assist with conference room bookings and setup.

Coordinate and make arrangements for meetings, conferences, and company events, including logistics, materials, and catering.

Order and track office and kitchen supplies; coordinate with vendors and service providers.

Provide administrative support to staff and management on projects and special assignments as requested.

Follow company policies regarding confidentiality, safety, and visitor access.

Communicate schedule coverage needs and coordinate handoffs with colleagues on non-scheduled days.

Perform other related duties as assigned.

High school diploma or equivalent.

Three or more years of experience as a receptionist, front desk, customer service, or administrative role.

At least one year of experience supporting management-level personnel.

Proficiency with Microsoft Office, including Word, Excel, PowerPoint, Outlook, and SharePoint.

Strong verbal and written communication skills.

Excellent spelling, grammar, and proofreading skills.

Ability to handle confidential documents and information with discretion and professionalism.

Professional demeanor, reliability, and consistent punctuality.

Ability to work on-site Tuesdays, Wednesdays, and Thursdays.

Organization:
Manages competing priorities and keeps records accurate and accessible.

Customer service:
Represents the organization warmly and professionally to every visitor and caller.

Attention to detail:
Produces accurate work with minimal supervision and maintains consistent workflow against deadlines.

Discretion:
Handles sensitive and confidential information appropriately.

Adaptability:
Adjusts to shifting priorities and pitches in where needed.

Initiative:
Anticipates office needs and addresses them proactively.

Learning agility:
Quickly absorbs new information and builds on newly acquired skills.

Collaboration:

Works effectively both independently and as part of a team.

Standard office setting; on-site attendance required on scheduled days.

Prolonged periods of sitting at a desk and working on a computer.

Occasional lifting of…