Accounts Payable Specialist

Engineering Consulting Services; Chantilly (VA); On-site; USD 68,000 - 71,000; Full time

Job summary

ECS Group of Companies in Chantilly, VA seeks an Accounts Payable Specialist to manage end-to-end AP, ensure timely vendor payments, and maintain detailed financial records.

You will support month-end close, assist with audits, resolve discrepancies, and collaborate with departments to improve accounting processes while upholding GAAP and internal policies. Excellent Excel skills and attention to detail are required to multitask and meet deadlines.

Qualifications

• Associate or bachelor's degree in accounting or related field.
• Minimum 3 years in accounts payable.
• Valid driver's license if driving for ECS subsidiaries.
• Strong understanding of basic accounting principles.
• Advanced Excel skills (VLOOKUP, pivot tables, formulas).
• Excellent attention to detail and organizational skills.
• Strong communication and customer service abilities.
• Exceptional multitasking capabilities and deadlines-focused.
• Dependable and reliable.

Responsibilities

• Manage end-to-end accounts payable process and vendor payments.
• Maintain and update AP records; generate aging reports as needed.
• Prepare and post payment journals for the weekly check run.
• Investigate and resolve discrepancies between subledger and GL.
• Address and resolve payment discrepancies in a timely manner.
• Assist with month-end and year-end closing activities.
• Assist with monthly credit card reconciliation.
• Monitor and analyze accounting data for accurate reports.
• Support audits with necessary documentation and explanations.
• Ensure accuracy and compliance with GAAP and internal policies.
• Assist with annual 1099 process.
• Collaborate with other departments for accurate reporting.
• Support ad-hoc financial projects and process improvements.

Skills

Attention to detail

Organizational skills

Communication

Customer service

Multitasking

Reliability

Education

Associate or bachelor's degree in accounting or related field

Tools

Excel

Job description

Responsibilities

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 activities. The Accounts Payable Specialist plays a critical role in resolving discrepancies, supporting audits, and contributing to process improvements while maintaining compliance with GAAP an internal policies.

Responsibilities

• Maintain and update accounts payable records to ensure timely payments.
• Maintain detailed financial records and generate AP aging reports as needed.
• Prepare and post payment journals for the weekly check run.
• Investigate and resolve discrepancies between subledger and the general ledger to ensure accurate financial reporting.
• Address and resolve payment discrepancies in a timely manner.
• Respond to all internal/external customers in timely manner.
• Assist with month-end and year-end closing activities.
• Assist with monthly credit card reconciliation process.
• Monitor and analyze accounting data to produce accurate financial reports.
• Support audits by providing necessary documentation and explanations.
• Ensure accuracy and compliance with GAAP and internal policies.
• Assist with annual 1099 process.
• Identify opportunities for improvement and support the implementation of enhanced accounting procedures.
• Collaborate with other departments to ensure accurate financial reporting.
• Support ad-hoc financial projects and contribute to process improvement initiatives.
• Other duties as assigned

#SER123

Qualifications

Required Qualifications

• Associate or bachelor's degree in accounting, finance, or related field or an equivalent combination of education and experience.
• Minimum 3 years of experience working in an accounts payable role.
• If driving for, or on behalf of, any ECS subsidiary, a valid driver's license is required.
• Strong understanding of basic accounting principles.
• Advanced Excel skills (VLOOKUP, pivot tables, formulas).
• Excellent attention to detail and organizational skills.
• Strong communication and customer service abilities.
• Exceptional multitasking capabilities and ability to meet deadlines while maintaining accuracy.
• Solid ability to manage financial responsibilities effectively with a high degree of professionalism.
• Dependable and reliable.

The expected pay range for this role and location is $68k - $71k/year. The final agreed-upon compensation will be determined based on specific location and other individual qualifications.

About Us

ECS Group of Companies (ECS) was founded in 1988 with the goal to raise the standards of professional engineering consulting. Today, we are a leader in geotechnical, construction materials, environmental and building science + infrastructure consulting services. We are employee-owned with more than 3,200 employees in 125 offices and testing facilities coast to coast. ECS is currently ranked #60 in Engineering News-Record’s Top 500 Design Firms (April 2026), #148 in Engineering News-Record’s Top 200 Environmental Firms (October 2025) and #38 in Zweig Group’s Hot Firm List (June 2026). For additional information about ECS, visit: www.ecslimited.com.

ECS is an Equal Opportunity Employer.

ECS Group of Companies (ECS) was founded in 1988 with the goal to raise the standards of professional engineering consulting. Today, we are a leader in geotechnical, construction materials, environmental and building science + infrastructure consulting services. We are employee-owned with more than 3,200 employees in 125 offices and testing facilities coast to coast. ECS is currently ranked #60 in Engineering News-Record’s Top 500 Design Firms (April 2026), #148 in Engineering News-Record’s Top 200 Environmental Firms (October 2025) and #38 in Zweig Group’s Hot Firm List (June 2026). For additional information about ECS, visit: www.ecslimited.com.

ECS is an Equal Opportunity Employer.

Required Qualifications

• Associate or bachelor's degree in accounting, finance, or related field or an equivalent combination of education and experience.
• Minimum 3 years of experience working in an accounts payable role.
• If driving for, or on behalf of, any ECS subsidiary, a valid driver's license is required.
• Strong understanding of basic accounting principles.
• Advanced Excel skills (VLOOKUP, pivot tables, formulas).
• Excellent attention to detail and organizational skills.
• Strong communication and customer service abilities.
• Exceptional multitasking capabilities and ability to meet deadlines while maintaining accuracy.
• Solid ability to manage financial responsibilities effectively with a high degree of professionalism.
• Dependable and reliable.

The expected pay range for this role and location is $68k - $71k/year. The final agreed-upon compensation will be determined based on specific location and other individual qualifications.