Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Accounts Payable Administrator

Serco

Position Description & Qualifications

Are you an Accounts Payable Administrator looking for a place to make an impact every day? Discover this great opportunity in our Herndon, Virginia location. Join our team as an Accounts Payable Administrator in support of our customers.

You will be a member of a dynamic, talented, and experienced team in our Accounts Payable Department in our Herndon, VA office.

In this role, you will:

  • Review, validate, and process vendor invoices accurately and timely in AP systems.

  • Verify invoice approvals, supporting documentation, purchase orders, and account coding prior to processing.

  • Support EFT, ACH, wire, and check payment processing activities, ensuring compliance with internal controls and payment schedules.

  • Assist with vendor payment inquiries and issue resolution.

  • Monitor invoice queues and aging reports to ensure payment terms are met and discounts are captured when applicable.

  • Research and resolve invoice discrepancies by coordinating with Procurement, Program Finance, Accounting, and vendors.

  • Assist with month-end close activities, account reconciliations, and reporting as assigned.

  • Support internal and external audit requests by providing documentation and payment support.

  • Maintain organized electronic records and documentation in accordance with company retention requirements.

  • Provide excellent customer service and timely responses to inquiries from vendors and internal stakeholders.

  • Identify opportunities to improve AP processes, efficiency, and controls.

  • Perform other duties as assigned.

To be successful in this role, you will have:

  • U.S. Citizenship required

  • High School Diploma/GED

  • Minimum 3 years of Accounts Payable experience, preferably supporting high-volume invoice processing in a US Federal Contracting environment

  • Advanced knowledge of invoice processing, payment processing, and three-way match concepts

  • Minimum 2 years' experience supporting EFT/ACH, wire, and check payment processes

  • Proficiency with Microsoft Excel, Outlook, and Word

  • Strong written and verbal communication skills

  • Ability to manage multiple priorities and meet established deadlines

  • Ability to work collaboratively as part of a team across Finance, Procurement, Operations, and vendor organizations

  • Ability to work in Herndon, VA corporate office one day per week

Additional desired experience and skills:

  • Associate's degree in accounting, Finance, Business Administration, or related field preferred

  • Knowledge of FAR-compliant invoice processing practices

  • Intermediate working knowledge using Deltek Costpoint Accounts Payable strongly preferred

  • Experience with Hyland OnBase document management and workflow solutions

  • Experience supporting month-end accounts payable close and audit activities

If you are interested in working with a talented team, then submit your application now for immediate consideration. It only takes a few minutes and could change your career!

Company Overview

Serco Inc. (Serco) is the Americas division of Serco Group, plc. In North America, Serco's 9,000+ employees strive to make an impact every day across 100+ sites in the areas of Defense, Citizen Services, and Transportation. We help our clients deliver vital services more efficiently while increasing the satisfaction of their end customers. Serco serves every branch of the U.S. military, numerous U.S. Federal civilian agencies, the Intelligence Community, the Canadian government, state, provincial and local governments, and commercial clients. While your place may look a little different depending on your role, we know you will find yours here. Wherever you work and whatever you do, we invite you to discover your place in our world. Serco is a place you can count on and where you can make an impact because every contribution matters.

To review Serco benefits please visit: . If you require an accommodation with the application process please email: View email address on click.appcast.io or call the HR Service Desk at View phone number on click.appcast.io, option 1. Please note, due to EEOC/OFCCP compliance, Serco is unable to accept resumes by email.

Candidates may be asked to present proof of identity during the selection process. If requested, this will require presentation of a government-issued I.D. (with photo) with name and address that match the information entered on the application. Serco will not take possession of or retain/store the information provided as proof of identity. For more information on how Serco uses your information, please see our Applicant Privacy Policy and Notice.

Serco does not accept unsolicited resumes through or from search firms or staffing agencies without being a contracted approved vendor. All unsolicited resumes will be considered the property of Serco and will not be obligated to pay a placement or contract fee. If you are interested in becoming an approved vendor at Serco, please email View email address on click.appcast.io .

Serco is an equal opportunity employer. We evaluate qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, and other legally protected characteristics.

Pay Transparency

Our Total Rewards package includes competitive pay, performance-based incentives, and benefits that promote well-being and work-life balance-so you can thrive both professionally and personally. Eligible employees also gain access to a wide range of benefits from comprehensive health coverage and health savings accounts to retirement plans, life and disability insurance, and time-off programs that support work-life balance. Program availability may vary based on factors such as contract type, location, hire date, and applicable collective bargaining agreements.

Salary range: The range for this position can be found at the top of this posting. This range is provided as a general guideline and represents a good faith estimate across all experience levels. Actual base salary will be determined by a variety of factors, including but not limited to, the scope of the role, relevant experience, job-related knowledge, education and training, key skills, and geographic market considerations. For roles available in multiple states, the range may vary to reflect differences in local labor markets. In addition to base salary, eligible positions may include other forms of compensation such as annual bonuses or long-term incentive opportunities. Benefits - Comprehensible benefits for full-time employees (part-time employees receive a limited package tailored to their role):

  • Medical, dental, and vision insurance

  • Robust vacation and sick leave benefits, and flexible work arrangements where permitted by role or contract

  • 401(k) plan that includes employer matching funds

  • Tuition reimbursement program

  • Life insurance and disability coverage

  • Optional coverages that can be purchased, including pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection

  • Birth, adoption, parental leave benefits

  • Employee Assistance Plan

To review all Serco benefits please visit: .

Serco complies with all applicable state and local leave laws, including providing time off under the Colorado Healthy Families and Workplaces Act for eligible Colorado residents, in alignment with our policies and benefit plans. The application window for this position is for no more than 60 days. We encourage candidates to apply promptly after the posting date, as the position may close earlier if filled or if the application volume exceeds expectations. Please submit applications exclusively through Serco's external (or internal) career site. If an applicant has any concerns with job posting compliance, please send an email to: View email address on click.appcast.io .

Vacancy posted 1 day ago
Similar jobs that could be interesting for youBased on the Accounts Payable Administrator in Manassas, VA vacancy
  •  ...Bachelor’s requirement Experience Level: 1-2 years of related accounting experience. Travel: Not Required Overview: This is...  ...skills. Must work well with the procurement team, contracts administration, and program management. Sedna offers competitive salaries... 
    Suggested
    Full time
    Work experience placement
    Work at office
    Remote work

    Sedna Digital Solutions LLC

    Manassas, VA
    16 days ago
  • $68k - $71k

     ...Accounts Payable Specialist The Accounts Payable Specialist will be responsible for managing the end-to-end accounts payable process, ensuring timely and accurate processing of vendor payments, maintaining strong financial records, and supporting month-end closing... 
    Suggested

    Engineering Consulting Services

    Chantilly, Loudoun County, VA
    4 days ago
  •  ...dedicated to growth and offers a dynamic working environment with multiple opportunities for advancement. Position Title : Accounts Payable Clerk Location : McLean, VA (Remote/Hybrid available based on candidate experience) Employment Type : Full-Time; Non... 
    Suggested
    Weekly pay
    Full time
    Contract work
    For contractors
    For subcontractor
    Work at office
    Remote work

    Blackwatch International

    McLean, VA
    28 days ago
  •  ...Preferred: Associate's Degree or Bachelor's Degree preferred. Bachelor's degree in Accounting or Finance preferred. QuickBooks experience desirable. Accounting or administrative office experience preferred. Proficient knowledge of Microsoft Office (Word, Excel, PowerPoint... 
    Suggested
    Permanent employment
    Work at office
    Local area

    Arthur J. Gallagher & Co.

    Fairfax, VA
    18 hours ago
  •  ...Description We are seeking a detail-oriented Accounts Payable (AP) Specialist with 3-5 years of experience in the construction industry to join our finance team. The AP Specialist will be responsible for managing the full-cycle accounts payable process, ensuring... 
    Suggested
    Weekly pay
    For subcontractor

    Superior Paving Corp.

    Gainesville, VA
    4 days ago
  •  ...visit our website at more information. D.R. Horton, Inc. is currently looking for an Accounts Payable Clerk . The right candidate will perform basic Accounts Payable administrative functions, such as processing invoices, approving expense statements, and making... 

    D.R. Horton

    Chantilly, Loudoun County, VA
    4 days ago
  •  ...Accounts Payable II Purpose: The Accounts Payable II is an entry-level position responsible for performing essential administrative duties to support accounts payable processing. Competent in several phases of an operation. Requires instruction and guidance and refers... 

    M.C. Dean, Inc.

    McLean, VA
    18 hours ago
  • Gallagher is seeking an entry-level bookkeeper in Fairfax, VA to help process vendor bills, prepare journal entries, and support month-end close. You will analyze financial data, assist with audits, and help maintain internal controls in a collaborative, fast-paced environment...

    Gallagher

    Fairfax, VA
    4 days ago
  •  ...Accounts Payable Clerk Required Qualifications High school diploma or general education degree (GED) Six months to one year of related experience and/or training Strong time management and prioritization skills Ability to accurately process and record a large volume... 

    D.R. Horton

    Chantilly, Loudoun County, VA
    2 days ago
  •  ...GL Accountant Centreville, VA (Full-Time, On-site) Position Summary We are seeking a detail-oriented and self-directed GL Accountant to support core accounting and treasury functions, who will be primary responsible for completing bank reconciliations, cash management... 
    Full time

    Avenu Holdings LLC

    Centreville, VA
    3 days ago
  • $55k - $65k

     ...Accounts Receivable Administrator Northern Virginia Headquarters - Chantilly, VA 20151 Overview Salary Range $55,000.00 - $65,000.00 Salary/year Position Type Full Time Education Level 2 Year Degree Category Accounting Description Jenkins Restorations upholds... 
    Full time
    Work at office

    JENKINS SERVICES GROUP

    Chantilly, Loudoun County, VA
    2 days ago
  •  ...Accounts Receivable Specialist Sparks Group has partnered with several prominent and successful companies in the Metro DC area to identify accounts receivable specialists for contract, contract-to-hire and direct hire opportunities. Responsibilities Responsible... 
    Contract work
    Work at office

    Sparks Group

    McLean, VA
    1 day ago
  • $53.06k - $92.85k

     ...Time Job Number: 3000-01 Department: Finance and Administration Division: Accounting Opening Date: 08/24/2026 FLSA Status: Non-...  ...time. Essential Job Functions Processes accounts payable (AP) documentation; receives and reviews all AP vouchers... 
    Full time
    Work at office

    City of Manassas

    Manassas, VA
    2 days ago
  • Position Summary The Accounts Receivable Specialist plays a vital role in the financial...  ...Assist with team training. Provide general administrative support, including regular pickup and...  ...(Accounts Receivable, Accounts Payable, collections, bookkeeping) experience is... 
    Work at office
    Home office
    Monday to Friday

    MEI Industrial Solutions

    Chantilly, Loudoun County, VA
    4 days ago
  •  ...decisions within the department regarding payroll processes and maintain the HRIS systems. This role also provides clerical and administrative support to the department, performing duties in accordance with the policies and procedures established by Birmingham Green.... 
    Part time
    Local area

    Birmingham Green

    Manassas Park, VA
    6 hours ago
  •  ...Cherry Bekaert Recruiting is seeking a Payroll Administrator to manage bi-weekly payroll for approximately 350 employees . Role is responsible for ensuring accurate and timely payroll processing during a leave coverage period. Key Responsibilities Process and... 
    Local area

    Cherry Bekaert

    Manassas, VA
    1 day ago
  •  ...Overview We are seeking a detail-oriented and proactive Accounting-Sales Administrator to join our team. This role is essential in supporting...  ...records using QuickBooks, and QuoteWerks • Accounts Payable and Accounts Receivable duties such as posting invoices,... 
    Worldwide

    DEISTER ELECTRONICS USA INC

    Manassas, VA
    4 days ago
  • $60k - $70k

     ...Description Job Overview: As a General Ledger Accountant, you’ll be responsible for analyzing and reporting the financial activities...  ...(i.e. potential assessments) ~ Review accounts payable activities (i.e. review coding) ~ Review cash activities... 
    Full time
    Work experience placement
    Work at office
    Local area
    Remote work
    Afternoon shift

    FirstService Residential

    Fairfax, VA
    1 day ago
  •  ...plays a critical role in executing and supporting key HR operational functions. This role has primary accountability for payroll processing, benefits administration, benefits reconciliation, 401(k) administration, and leave management, ensuring accuracy, compliance, and... 
    Work at office
    Local area

    Granules Pharmaceuticals, Inc.

    Manassas Park, VA
    1 day ago
  • $87.36k - $126.19k

     ...Senior Accounting Technician Employment Type: Full-Time, Mid-Level Department: Finance...  ...including management of accounts payable, reimbursement activity, collections, and...  ...and processing. Systems analysis and administration. Database user support. Reporting... 
    Full time
    Work at office
    Flexible hours

    Contact Government Services LLC

    Fairfax, VA
    4 days ago
  •  ...statements, deductions, taxes, and payroll-related matters. Assist employees with accessing or resetting electronic pay statement accounts. Prepare payroll and benefits journal entries. Reconcile payroll and benefit-related general ledger accounts.... 
    Part time
    Local area

    Addison Group

    McLean, VA
    1 day ago
  • $30 - $35 per hour

     ...reporting documents Respond to employee inquiries regarding payroll, benefits deductions, and tax issues Partner with HR and Accounting teams on benefit integrations, GL posting, and audits Assist with payroll system upgrades or implementations Maintain... 
    Hourly pay
    Contract work
    Local area

    Addison Group

    Fairfax, VA
    4 days ago
  • $30 - $42 per hour

     ...company policy. Stay informed of changes to processes, policies and/or payroll laws to ensure compliance. Responsible for payroll administration for a defined group(s); Audit employee timesheet at the end of the week and notify managers of issues. Review HR employee... 
    Hourly pay
    Contract work
    Local area

    Pavion Corp

    Chantilly, Loudoun County, VA
    6 hours ago
  • $60k - $110k

     ...with ambition and commitment, holding ourselves and each other accountable to achieve the best results. When you join Appian, you'll be...  ...degree in Accounting, Finance, Human Resources, Business Administration, or a related field. ~1 to 3 years of hands-on US payroll... 
    Hourly pay
    Work experience placement
    Local area
    Flexible hours

    Appian

    McLean, VA
    1 day ago
  •  ...departments regarding payroll-related concerns Qualifications/Background Profile ~ Associate's degree in business administration, finance or accounting preferred; experience in lieu of a degree is acceptable ~2+ years of experience processing multi-cycle, multi-... 
    Hourly pay
    Contract work
    Work at office

    Sparks Group

    McLean, VA
    6 hours ago
  • FULLY REMOTE | W2 ONLY Senior Payroll Analyst JOB SUMMARY: This position plays a critical role within the payroll team to optimize payroll processes, document all standard operating procedures, and resolve process/procedure issues. It requires strong payroll...
    Local area
    Remote work
    Worldwide

    Dexian

    McLean, VA
    6 hours ago
  •  ...Position Summary Bookkeepers are responsible for managing the bookkeeping and general office administrative duties for our clients. Primary responsibilities can include accounts payable, bank deposits, reconciliations, and other finance-related duties.    Essential... 
    Contract work
    Work at office

    StreamTech Solutions

    Fairfax, VA
    21 days ago
  •  ...detail-oriented Entry-Level Bookkeeper to perform day-to-day accounting and administrative functions for multiple community associations. The ideal...  ...accounting experience , including exposure to Accounts Payable (AP), Accounts Receivable (AR), billing, collections, and... 
    Casual work
    Immediate start

    NVT Staffing

    Chantilly, Loudoun County, VA
    8 days ago
  • $62k - $141k

    Accounts Receivable Specialist, SeniorThe Opportunity:Assist the finance and accounting department with billing, tracking, and collections of accounts due and reconciling conflicts. Apply advanced consulting skills or extensive technical expertise and full industry knowledge... 
    Full time
    Contract work
    Part time
    Work at office
    Local area
    Remote work

    Booz Allen Hamilton

    McLean, VA
    18 hours ago
  • $95k - $105k

     ...tactical execution and project-based initiatives, including direct administration of the timekeeping function. This position is primarily...  ...plan including medical, dental, and vision • Health Savings Account with company contribution • Annual Paid Time Off and Paid... 
    Contract work
    Local area
    Immediate start
    Remote work

    GRVTY

    McLean, VA
    2 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Accounts Payable Administrator. Be the first to apply!