Demo

Admin Assistant

Kforce Inc
Manassas, VA Full Time
POSTED ON 10/9/2026
AVAILABLE BEFORE 11/7/2026
Responsibilities

Kforce has a client that is seeking an Administrative Assistant in Manassas, VA. Summary: The Administrative Assistant will provide administrative, accounting, payroll, and HR support for a commercial construction organization. This position will work closely with project managers, field employees, supervisors, vendors, and internal leadership to ensure day-to-day office operations and administrative processes run smoothly. Primary Responsibilities: Accounts Payable:

  • Receive, review, code, and enter invoices into the accounting system
  • Maintain accurate accounts payable vendor files
  • Review invoices for proper billing amounts and accuracy
  • File and maintain paid invoices
  • Distribute subcontractor invoices to project managers for review and approval

Office Management

  • Manage incoming and outgoing mail and packages
  • Maintain office supply inventory
  • Assist with setting up new project files
  • Assist with closing out completed project files
  • Support year-end administrative tasks
  • Assist field employees with paperwork and project-related administrative requirements as needed

Human Resources

  • Manage employment applicants and coordinate interviews
  • Support the new-hire process, including employment documentation verification
  • Administer new-hire orientations
  • Assist field personnel with time-off requests
  • Provide general support to Human Resources

Payroll

  • Monitor employee use of the payroll time-tracking system
  • Reconcile and close out employee timesheets
  • Coordinate with field supervisors to review and approve timesheets
  • Complete full-cycle payroll processing as needed

Requirements

  • Bilingual in Spanish and English
  • Strong attention to detail
  • Excel - basic functions
  • Able to juggle multiple things at once and willingness to learn

The pay range is the lowest to highest compensation we reasonably in good faith believe we would pay at posting for this role. We may ultimately pay more or less than this range. Employee pay is based on factors like relevant education, qualifications, certifications, experience, skills, seniority, location, performance, union contract and business needs. This range may be modified in the future.

We offer comprehensive benefits including medical/dental/vision insurance, HSA, FSA, 401(k), and life, disability & ADD insurance to eligible employees. Salaried personnel receive paid time off. Hourly employees are not eligible for paid time off unless required by law. Hourly employees on a Service Contract Act project are eligible for paid sick leave.

Note: Pay is not considered compensation until it is earned, vested and determinable. The amount and availability of any compensation remains in Kforce's sole discretion unless and until paid and may be modified in its discretion consistent with the law.

This job is not eligible for bonuses, incentives or commissions.

Kforce is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status.

By clicking “Apply Today” you agree to receive calls, AI-generated calls, text messages or emails from Kforce and its affiliates, and service providers. Note that if you choose to communicate with Kforce via text messaging the frequency may vary, and message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You will always have the right to cease communicating via text by using key words such as STOP.

Salary : $42,000 - $62,000

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