Accounting Assistant

Overview

Kimley-Horn is looking for an Accounting Assistant to join our growing regional Project Accounting team in our Reston, Virginia (VA) office! This is not a remote position.

Responsibilities

The ideal candidate would be able to work in a fast-paced collaborative team setting and communicate effectively to achieve group goals. This individual would work closely with accounting team members to support full project lifecycle business functions.

• Support Project Accountants with business-related tasks for both internal and external client requests

• Prepare and send monthly invoices that may require expense backup, timesheet detail, pay applications, or other client-specific invoicing requirements

• Partner with Project Accountants to monitor and follow-up on unpaid invoices to collect accounts receivable balances

• Work closely with accounting team members to support full project lifecycle business functions

• Monitor and collect accounts receivable by working directly with clients

• Evaluate incoming payments to ensure proper cash application

• Process accounts payable, overhead invoices, check requests, and respond to vendor inquiries

• Cash receipt backup

• Data entry directly into internal and external accounting systems

• Review client contracts to ensure accurate project setup

• Electronic contract and document management

• Assist with other general accounting support functions as required

Qualifications

• High school diploma or equivalent

• 1+ years of relevant accounting experience or coursework

• Proficient in Microsoft Office Suite

• High degree of professionalism and strong people skills

• Excellent team player

• Ability to multi-task and work effectively in a deadline driven environment

• Effective oral and written communication skills

• Deltek CostPoint proficiency is a plus

Salary- $53,000-$65,000

Why Kimley-Horn?

At Kimley-Horn, we do things differently. People, clients, and employees are at the forefront of who we are. Clients know we prioritize achieving their goals and growing their success. Employees know our culture and approach to business are built on a desire to provide an environment for everyone to flourish. Our commitment to quality is only as good as the people behind it— that’s why we welcome and develop passionate, hardworking, and proactive employees. We take pride in how our employee retention, robust benefits package, and company values have led to Kimley-Horn’s placement on the Fortune “100 Best Companies to Work” list for 19 years!

Key Benefits at Kimley-Horn

• Exceptional Retirement Plan: 2-to1- company match on up to 4% of eligible compensation (salary + bonus) and additional profit-sharing contribution.

• Comprehensive Health Coverage: Low-cost medical, dental, and vision insurance options.

• Time Off: Personal leave, flexible scheduling, floating holidays, and half-day Fridays.

• Financial Wellness: Student loan matching in our 401(k), and performance-based bonuses.

• Professional Development: Tuition reimbursement and extensive internal training programs.

• Family-Friendly Benefits: New Parent Leave, family building benefits, and childcare resources.

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This posting is for a current vacancy. Applications are being accepted on an ongoing basis; however, this job posting may close at any time after a minimum of 3 days of being posted.

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Applicants must be legally authorized to work for Kimley-Horn in the U.S. without employer sponsorship. We do not typically sponsor H1-B or any other work visa petitions.

Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities

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Posted Date 2 weeks ago (8/31/2026 11:25 AM)

ID 2026-26200

Education High School Diploma/GED

Discipline/Focus Finance/Acct/Business