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Administrative Assistant

Job in Chantilly, Fairfax County, Virginia, 20151, USA
Listing for: Constellis
Full Time position
Listed on 2026-06-01
Job specializations:
  • Administrative/Clerical
    Office Administrator/ Coordinator, Business Administration, Virtual Assistant/ Remote Admin, Admin Assistant
Job Description & How to Apply Below
POSITION SUMMARY:

Performs administrative and office support activities in a busy office environment. Duties will include data processing, creating detailed spreadsheets and presentations, proficiency in timekeeping, military time conversion, invoicing, billing and payroll for 105+ employees daily. Extensive software skills are required along with strong communication skills and problem-solving ability.

PAY TRANSPARENCY: $26.50

RESPONSIBILITIES:
  • Perform detail-oriented tasks, within strict time constraints, to maintain accurate payroll and timekeeping.
  • Conduct quality control checks of all payroll entries weekly and initiate personnel related employee changes including, but not limited to, pay, direct deposit, etc.
  • Enter purchase requisitions and work to ensure requested equipment, uniforms or services are delivered in a timely manner.
  • Complete monthly invoices and provide data backups for submission.
  • Create highly accurate, detailed spreadsheets and word documents to meet deliverable requirements.
  • Provide Administrative support to the Contract Manager.
QUALIFICATIONS:
  • Minimum three years of direct experience in administrative and or payroll functions within the past five years.
  • Highly proficient in Word, Excel, and Outlook applications.
  • Must be a self-starter and work well with little direct supervision.
  • Must be organized and be highly detail oriented.
  • Ability to type a minimum of 45 words per minute.
  • Ability to interact and communicate, both oral and written, with individuals at all levels.
  • Ability to meet strict deadlines.
  • Ability to multitask and remain focused on the overall mission under stressful situations.
  • Ability to produce clear and concise reports and invoices.
  • Preferred Experience:

    ADP, Deltek, Costpoint, Timekeeping, and SAP Concur experience.
  • Infrequent travel as needed, less than 10 days per year. Work is typically in a busy indoor office environment. Business work hours consist of Monday - Friday 8:00 AM-5:00 PM in office position.
    *** Weekend Hours Flexible***
BENEFITS

Centerra offers a comprehensive, total rewards package that includes competitive compensation and a flexible benefits package that reflects its commitment to creating a diverse and supportive workplace.

Equal Opportunity Employer

Race/Color/Sex/Sexual Orientation/Gender Identity/Disability/Vet
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