Administrative Assistant - Billing & Project Support (On-site)

Tetra Tech; Port Saint Lucie (FL); On-site; USD 40,000 - 55,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

401(k) with company match

Paid time off

Job summary

Ardaman & Associates, Inc. seeks a sharp Administrative Assistant to support the Port St. Lucie, Florida office. This role handles administrative tasks, project and office support, and billing processes to ensure efficient daily operations.

Ideal candidates have experience in professional services or engineering environments and can manage priorities with accuracy and strong customer service. In-office presence is required Monday–Friday, 8:00 a.m.–5:00 p.m.

Qualifications

• Proficiency in Microsoft Word, Excel, and Outlook.
• Strong written and verbal communication skills.
• Excellent organizational, multitasking, and time-management abilities.
• High level of accuracy and attention to detail.
• Ability to meet billing deadlines, management objectives, and other time-sensitive deliverables.
• Strong customer-service skills and professional telephone etiquette.
• Independent self-starter with ability to prioritize work and follow through.
• Strong analytical, problem-solving, and recordkeeping skills.

Responsibilities

• Set up new clients and projects within internal systems.
• Prepare project billing and support timely invoicing processes.
• Process accounts receivable, accounts payable, purchase orders, and change orders.
• Assist with collections activities and follow-up on outstanding receivables.
• Update project budgets and maintain accurate project-related records.
• Update, prepare, and distribute routine administrative, financial, and project reports.
• Enter and maintain employee timesheets.
• Order and maintain office and safety supplies.
• Manage incoming and outgoing mail and other office correspondence.
• Answer and route incoming telephone calls in a courteous, professional manner.
• Perform word-processing edits and assist in the preparation of engineering reports, proposals, and other business documents.
• Maintain organized electronic and paper filing systems.
• Provide additional administrative support to branch leadership and project teams as needed.
• Maintain regular, reliable attendance and punctuality, which are essential functions of this position.

Skills

MS Word

MS Excel

MS Outlook

Communication skills

Organizational skills

Time management

Attention to detail

Customer service

Telephone etiquette

Independent worker

Analytical skills

Recordkeeping

Job description

Ardaman & Associates, Inc. seeks a sharp Administrative Assistant to support the Port St. Lucie, Florida office. This role handles administrative tasks, project and office support, and billing processes to ensure efficient daily operations.

Ideal candidates have experience in professional services or engineering environments and can manage priorities with accuracy and strong customer service. In-office presence is required Monday–Friday, 8:00 a.m.–5:00 p.m.