Senior Accounting Assistant

About the role

Assist Project Accountants with the preparation and processing of client invoices.

Collect and assemble billing backup documentation, including vendor invoices, timesheets, expense reports, and other project-related records.

Ensure all supporting documentation is complete, accurate, and in accordance with customer requirements.

Verify invoice amounts, project charges, labor costs, and reimbursable expenses prior to submission.

Avoid and resolve billing discrepancies, missing documentation, and invoice exceptions.

Collaborate with Project Accountants and Project Managers to address customer billing issues.

Respond to internal requests regarding invoice status and billing documentation.

Track invoice submissions, approvals, and payment status.

Ensure compliance with company policies, accounting procedures, and customer billing requirements.

Perform other accounting and administrative duties as assigned.

Responsibilities

• Assist Project Accountants with the preparation and processing of client invoices.
• Collect and assemble billing backup documentation, including vendor invoices, timesheets, expense reports, and other project-related records.
• Ensure all supporting documentation is complete, accurate, and in accordance with customer requirements.
• Verify invoice amounts, project charges, labor costs, and reimbursable expenses prior to submission.
• Avoid and resolve billing discrepancies, missing documentation, and invoice exceptions.
• Collaborate with Project Accountants and Project Managers to address customer billing issues.
• Respond to internal requests regarding invoice status and billing documentation.
• Track invoice submissions, approvals, and payment status.
• Ensure compliance with company policies, accounting procedures, and customer billing requirements.
• Perform other accounting and administrative duties as assigned.

Requirements

• Bachelor's degree in Accounting
• Local candidates preferred
• A minimum of 5 years of experience
• Proficiency with MS Office including Word and Outlook
• Excellent verbal and written communication including grammar, punctuation, proofreading, spelling and telephone skills
• Flexibility and ability to prioritize and handle multiple tasks and collaborate with various managers in a fast-paced environment
• Self-motivated, well-organized and detail-oriented
• Ability to handle confidential information

Preferred Qualifications

• An attitude and commitment to being an active participant of our employee-owned culture is a must

Qualifications

• High School diploma or equivalent

Skills

• Strong attention to detail
• Excellent organizational and time management skills
• Ability to work independently and as part of a team
• Strong problem-solving and critical thinking skills
• Knowledge of accounting principles and practices

Benefits

Our employee-ownership model shapes everything we do, including how we support and care for our people.

We offer a comprehensive benefits package that includes:

• Health insurance
• Dental insurance
• Vision insurance
• Paid time off
• Flexible spending accounts
• Retirement savings plans
• Employee assistance programs
• Professional development opportunities

Pay

Salary range for this position is $40,000 - $60,000 annually.

Schedule

This is a full-time position.

Business Class

Marketing and Admin

Job Posting

Jul 16, 2026

Company Information

HDR is an Affirmative Action and Equal Opportunity Employer. We consider all qualified applicants, regardless of criminal histories, arrest and conviction records.