Accounting Administrator

Engineering Consulting Service; Chantilly (VA); On-site; USD 45,000 - 51,000; Full time

Job summary

ECS Group of Companies (ECS) in Chantilly, VA is seeking an Accounting Administrator to provide accounting, financial, and administrative support for assigned offices. You will maintain financial records, process transactions, and assist with reporting while ensuring policy compliance.

Key duties include managing payables/receivables, preparing reports, supporting audits, and promoting efficiency. A high school diploma or accounting degree is required, with 5 years of experience preferred.

Qualifications

• 5 years of related accounting experience.
• Strong knowledge of accounts payable, receivable, invoicing and reconciliations.
• Excellent analytical and problem-solving skills.
• Ability to handle confidential information and respond to inquiries.
• Proficiency with MS Office Suite and Excel.

Responsibilities

• Manages accounts payable, accounts receivable, invoicing, and related accounting activities.
• Maintains office financial records, including reconciliations and petty cash.
• Compiles and distributes financial reports for leadership and accounting teams.
• Supports managers with financial reporting and budget tracking.
• Reconciles credit card transactions and supporting documentation.
• Maintains certificates of insurance and related records.
• Supports fleet administration activities and regulatory compliance.
• Coordinates with corporate teams to ensure accurate reporting.
• Supports audits and internal compliance through documentation.
• Identifies opportunities to improve accounting workflows and efficiency.
• Maintains confidentiality of financial and business information.
• Provides general administrative support as needed.

Skills

5 years of related experience

Analytical skills

Organizational skills

Problem-solving

Attention to detail

Communication skills

Independent work

Confidentiality

Education

High school diploma or GED

Associate's degree or higher in Accounting

Tools

Excel

MS Office

Job description

Responsibilities

The Accounting Administrator provides accounting, financial, and administrative support to assigned offices or business units. This position is responsible for maintaining accurate financial records, processing accounting transactions, supporting reporting activities, and ensuring compliance with company policies and procedures. The Accounting Administrator serves as a key resource to office leadership by promoting financial accuracy, operational efficiency, and effective administrative support.

• Manages accounts payable, accounts receivable, invoicing, and related accounting activities while ensuring accuracy, timeliness, and compliance with company policies and procedures
• Maintains office financial records, including account reconciliations, petty cash administration, check processing, and documentation of financial transactions
• Compiles, analyzes, distributes, and maintains financial reports and supporting documentation for office leadership and corporate accounting
• Assists managers with financial reporting, budget tracking, and preparation of business review materials and presentations
• Reconciles and process company credit card transactions and supporting documentation in accordance with established procedures
• Maintains certificates of insurance and associated administrative records
• Supports fleet administration activities, including vehicle purchases and sales, licensing, regulatory compliance requirements, and related recordkeeping
• Coordinates with corporate accounting and administrative teams to ensure accurate financial reporting and resolution of accounting-related inquiries
• Supports periodic audits, financial reviews, and internal compliance requirements by maintaining accurate and complete documentation
• Identifies opportunities to improve accounting workflows, administrative processes, and operational efficiency
• Maintains confidentiality of financial, employee, and business information
• Provides administrative support and assist with office operations as needed

Qualifications

Required Qualifications

• 5 years of related experience
• High school diploma or GED required. Associates Degree or higher in Accounting preferred
• If driving for, or on behalf of, any ECS subsidiary, a valid driver’s license is required
• Working knowledge of accounting principles, bookkeeping practices, financial reporting, and general office administration
• Knowledge of accounts payable, accounts receivable, invoicing, reconciliations, payroll support processes, banking activities, and general ledger concepts
• Strong analytical, organizational, and problem-solving skills
• Ability to accurately process, review, and reconcile financial transactions
• Ability to manage multiple priorities and meet deadlines in a fast-paced environment
• Strong attention to detail and commitment to accuracy
• Proficiency with Microsoft Office Suite, including advanced Microsoft Excel skills
• Ability to learn and utilize accounting, financial management, and business systems
• Effective written and verbal communication skills
• Ability to work independently while collaborating effectively with office and corporate teams
• Ability to exercise sound judgment and maintain confidentiality of sensitive information
• Ability to identify process improvement opportunities and implement efficient business practices

Military Qualifications

• The following US Military ranks would qualify for this position:
  • E-4

The expected pay range for this role and location is $33-$37/hour. 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. To learn more, click here.