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Part Time Invoice Processor Jobs in Fairfax, VA (NOW HIRING)

Booz Allen Hamilton, Inc.

Mechanical Engineer

Mclean, VA · On-site

$86K - $198K/yr

... invoice supporting information to the COTR for payment, and prepare and monitor project schedules ... Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible ...

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As of Aug 30, 2026, the average hourly pay for part time invoice processor in Fairfax, VA is $18.39, according to ZipRecruiter salary data. Most workers in this role earn between $15.72 and $20.14 per hour, depending on experience, location, and employer.

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Part-Time Finance and Administrative Coordinator

George Mason University

Arlington, VA • On-site

$22.50/hr

Part-time

Re-posted 8 days ago

George Mason University rating

8.3

Company rating: 8.3 out of 10

Based on 19 frontline employees who took The Breakroom Quiz

130th of 627 rated colleges and universities

Job description

Department: Central Reserves
Classification: GMU Worker
Job Category: Part-Time / Hourly Wage
Job Type: Part-Time
Work Schedule: 20-24 hours/week
Location: Arlington, VA
Workplace Type: On Site Required
Sponsorship Eligibility: Not eligible for visa sponsorship
Hourly Rate: $22.50/hour
Criminal Background Check: Yes
About the Department:
George Mason University Facilities ensures a quality physical environment supporting the mission of the university. We will be the technical and business experts of choice with the total trust and confidence of our students, faculty, and staff.
Mason Square Campus Administration and Operations, a division of Facilities and Campus Operations, is dedicated to delivering financial coordination, billing, contracts, invoicing, and administrative support. This work is further supported by a suite of campus services designed to ensure a seamless and welcoming experience for all members of the university community.
About the Position:
The Part-Time Finance and Administrative Coordinator provides financial and administrative support to the Mason Square Campus Administration Office. Reporting to the Director of Campus Administration and Operations, this position manages departmental billing, accounts receivable, fiscal tracking, account reconciliations, financial reporting, and contract administration while ensuring compliance with university financial policies and procedures.
The Coordinator also oversees client contracts, Certificate of Insurance (COI) compliance, invoice processing, and departmental communications, serving as a key liaison between university departments, external clients, and vendors. The ideal candidate is highly organized, financially proficient, customer-focused, and able to manage multiple priorities with accuracy, professionalism, and sound judgment.
Responsibilities:
Financial Administration:
  • Coordinate billing, accounts receivable, account reconciliations, fiscal tracking, and financial reporting;
  • Review and reconcile departmental accounts to ensure the accuracy of expenditures, revenues, deposits, and account balances; prepare reports for management and General Accounting;
  • Prepare and process invoices for internal and external clients, including space rentals, service agreements, and Memoranda of Understanding (MOUs);
  • Monitor receivables and process payments, deposits, journal vouchers, and other financial transactions in accordance with university policies;
  • Monitor budgets, revenues, expenditures, commitments, and available balances;
  • Maintain accurate financial records and supporting documentation in compliance with university record retention and audit requirements; and
  • Maintain working knowledge of Banner and other university financial systems, policies, and procedures.

Administrative Coordination:
  • Coordinate contract administration, including preparing agreements, routing documents for approval, maintaining contract files, and tracking key deadlines;
  • Track and verify Certificates of Insurance (COIs) to ensure compliance with university and contractual requirements;
  • Monitor administrative workflows to ensure contracts, invoices, approvals, and compliance documentation are completed accurately and on schedule;
  • Coordinate departmental communications, including monthly reminders, policy updates, onboarding materials, newsletters, website updates, and informational sessions to promote operational awareness and compliance; and
  • Provide administrative support to the Director of Campus Administration and Operations, including calendar management, meeting coordination, and operational initiatives.

Required Qualifications:
  • Demonstrated knowledge of financial administration, including budgeting, billing, accounts receivable, account reconciliation, fiscal tracking, and financial reporting;
  • Financial literacy with the ability to analyze financial data, reconcile accounts, and maintain accurate fiscal records;
  • Experience coordinating contracts, compliance documentation, and administrative workflows;
  • Strong organizational, analytical, and project management skills with exceptional attention to detail;
  • Excellent written, verbal, and interpersonal communication skills with a strong customer service orientation;
  • Proficiency with Microsoft Office Suite, particularly Excel, Word, and Outlook, and the ability to learn university financial and administrative systems; and
  • Ability to exercise sound judgment, maintain confidentiality, and ensure compliance with university policies and internal controls.

Preferred Qualifications:
  • Associate's degree in business administration, accounting, finance, public administration, or a related field, or an equivalent combination of education and experience;
  • Experience providing financial and administrative support in a higher education, government, or similarly complex organization;
  • Working knowledge of enterprise systems such as Banner, MicroStrategy, eVA, 25Live, or comparable financial and administrative platforms; and
  • Advanced proficiency in Microsoft Excel, including financial reporting, reconciliation, and data analysis.

Instructions to Applicants:
For full consideration, applicants must apply for the Part-Time Finance and Administrative Coordinator at https://jobs.gmu.edu/. Complete and submit the online application to include three professional references with contact information, and provide a cover letter and resume for review.
Posting Open Date: July 23, 2026
For Full Consideration, Apply by: August 10, 2026
Open Until Filled: Yes
Mason Ad Statement
George Mason University is a nationally ranked R1 research university committed to creating a more just, free, and prosperous world. With 40,000 enrolled students, George Mason is the largest and most diverse public research university in Virginia, offering degree programs at the master's, doctoral, and professional level, along with certificates and credentials.
George Mason fosters an All Together Different environment for students, faculty, and staff, driven by our core beliefs. We believe in inclusivity over exclusivity; we believe in advancing our mission by being willing to take risks, not avoiding them; and we believe our best work is possible when we apply our diversity of origin, identity, circumstance, and thought.
Equity Statement
George Mason University is an equal opportunity/affirmative action employer, committed to promoting inclusion and equity in its community. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any characteristic protected by law.
Campus Safety Information
Mason's Annual Security and Fire Safety Report is available at http://police.gmu.edu/annual-security-report/

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