Project Billing & Accounting Assistant

Engineering Consulting Services; York (York County); On-site; USD 38,000 - 54,000; Full time

Job summary

ECS Group of Companies is seeking an Accounting Assistant to provide accounting, project administration, and clerical support across project teams and managers. You will assist with billing, documentation, data entry, and administrative processes while ensuring timely, accurate task completion.

The role requires meticulous attention to detail, strong communication, and proficiency with Office tools. Applicants should value confidentiality and be able to work independently within team workflows.

Qualifications

• Minimum 1 year of related experience in accounting or admin support.
• High school diploma or equivalent; associates degree preferred.
• Valid driver’s license if driving for ECS subsidiaries.
• Strong organizational skills and ability to meet deadlines.
• Effective written and verbal communication with stakeholders.
• Proficiency with Microsoft Office and related applications.
• Ability to learn and use company software systems and databases.
• Ability to work independently while collaborating with the team.

Responsibilities

• Provide accounting and administrative support to project teams and managers.
• Assist with billing activities, invoicing, and reviewing documentation.
• Review timesheets and subcontractor invoices for accuracy and coding.
• Enter project charges and maintain electronic project records.
• Maintain project files and documentation per company standards.
• Communicate with clients, vendors, and external contacts on matters.
• Ensure tasks and deliverables are completed accurately and on time.
• Support office operations and general administrative duties.

Skills

Organizational skills

Multi-tasking

Communication

Confidentiality

Problem solving

Customer service

Data entry

Independent work

Education

High school diploma

Associates degree preferred

Tools

Microsoft Office Suite

Company software systems

Job description

ECS Group of Companies is seeking an Accounting Assistant to provide accounting, project administration, and clerical support across project teams and managers. You will assist with billing, documentation, data entry, and administrative processes while ensuring timely, accurate task completion.

The role requires meticulous attention to detail, strong communication, and proficiency with Office tools. Applicants should value confidentiality and be able to work independently within team workflows.