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Administrative Assistant

Job in Chantilly, Fairfax County, Virginia, 22021, USA
Listing for: Constellis
Full Time position
Listed on 2026-06-03
Job specializations:
  • Administrative/Clerical
    Office Administrator/ Coordinator, Virtual Assistant/ Remote Admin
Salary/Wage Range or Industry Benchmark: 60000 USD Yearly USD 60000.00 YEAR
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.

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