Administrative Assistant

Technical Systems Integration, Inc. (TSI) is a Service-Disabled Veteran-Owned Small Business (SDVOSB) headquartered in Williamsburg, Virginia, delivering professional, technical, and management support to the U.S. Navy, Marine Corps, and DoD customers across the acquisition and sustainment lifecycle. TSI offers the close-knit culture of a small business with the capabilities of a prime contractor.

TSI is hiring a full-time Administrative Assistant to run the day-to-day office at our Williamsburg, Virginia headquarters. You will be the first person visitors and staff see each day, keeping the front desk, mail, kitchen, supplies, conference rooms, and facilities requests running smoothly. This is an on-site, hourly position, Monday through Friday, 8 a.m. to 4 p.m.

• Open and close the office each day using standard opening and closing checklists.
• Monitor the general inbox and route requests to the right person.
• Greet visitors, keep the visitor log, and coordinate visitor access with the security team as required.
• Collect, sort, and distribute the mail daily.
• Send outgoing mail, overnight packages, and shipments, and track deliveries until received.
• Keep the kitchen and break room stocked, clean, and tidy throughout the day.
• Take out trash and recycling daily and submit janitorial and building maintenance requests through to closure.
• Coordinate building inspections with building management.
• Purchase office and kitchen supplies on a company card within the approved limit, with receipts submitted the same day.
• Track office equipment, furniture, and service contracts, and log repairs.
• Schedule meetings, reserve and set up conference rooms, and keep the shared office calendar current.
• Order meeting lunches, support office events, and make travel arrangements when requested.
• Keep the office contact and vendor lists current and write step‑step procedures for recurring office tasks.
• Perform other administrative duties as assigned.

• High school diploma or equivalent.
• Ability to work on‑site in Williamsburg, Virginia, Monday through Friday, 8 a.m. to 4 p.m., with reliable attendance and punctuality.
• U.S. citizenship and the ability to obtain and maintain a SECRET security clearance.
• Clear, professional communication by phone and in person.
• Strong organization, attention to detail, and follow‑through.
• Discretion with confidential mail, documents, and conversations.
• Working knowledge of email, calendars, Microsoft Office, and shared folders.
• Ability to lift and carry up to 25 pounds.

• Experience as a receptionist, office assistant, or administrative assistant.
• Familiarity with SharePoint, Microsoft Teams, Ramp, or similar expense tools.
• Experience in a government contracting or other secure office environment.

Compensation: $20-22/hr

• Medical, dental, and vision insurance, ninety‑five percent company‑paid.
• 401(k) retirement plan with company match.
• Paid time off and federal holidays.
• Life insurance and disability coverage.
• Professional development support and tuition assistance.

Technical Systems Integration, Inc. is an Equal Opportunity Employer.