Accounts Payable Administrator

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 .