Billing Specialist (Richland, WA)

Overview

Tetra Tech is adding a detail-oriented Billing Specialist to join our Finance team in Richland, Washington. This position offers an excellent opportunity for an early-career accounting or finance professional to support project billing and financial operations in a fast-paced consulting environment.

The successful candidate will prepare accurate client invoices, maintain project budgets, support project managers and the financial management team, and ensure compliance with client contract requirements. This position offers opportunities to develop financial systems knowledge while working closely with project teams supporting a wide variety of government and commercial clients.

At Tetra Tech, we are Leading with Science to solve the world’s most complex challenges. Our industry-leading experts in engineering and consulting are committed to driving positive change in communities around the world. For over 50 years, we have been at the forefront of innovation and sustainability. Today we stand as a market leader, offering cutting-edge solutions in water, environment, energy, and international development.

Our work has improved more than 625 million lives around the world.

Join Tetra Tech to make a real difference. Our work leverages cutting-edge technologies, advanced analytics, and the expertise of world-class scientists and engineers to create meaningful change around the world. Discover your full potential – join us to advance your career while leaving a lasting legacy.

Billing & Financial Administration

• Prepare accurate and timely client invoices using Tetra Tech's Oracle-based financial system.
• Ensure invoices comply with client contract requirements and billing specifications.
• Review billing information for completeness and accuracy before submission.
• Maintain project billing records and supporting documentation.
• Monitor project budgets and assist with budget tracking throughout the project lifecycle.
• Support project collections by ensuring timely invoice processing.
• Work closely with Project Managers and the Financial Management team to resolve billing questions.
• Prepare ad hoc financial reports and project summaries as requested.
• Assist with invoice corrections, adjustments, and billing reconciliations.
• Support project financial reporting and data management activities.
• Maintain accurate project financial records and documentation.
• Communicate professionally with internal project teams and external clients regarding billing inquiries.
• Build effective working relationships with project managers, finance staff, and administrative personnel.
• Support continuous improvement initiatives related to billing processes and financial reporting.
• Conduct activities in line with internal procedures, legislation, and industry standards.
• Pursue continuous professional development and maintain a high degree of discipline knowledge and awareness.
• Work in a safe manner at all times and report all health and safety incidents and concerns.
• Additional duties as required.

• High School Diploma or equivalent required.
• 1–2 years of billing, accounting, finance, or related administrative experience.
• Previous billing experience preferred.
• Strong written and verbal communication skills.
• Excellent organizational skills and attention to detail.
• Ability to prioritize multiple assignments in a fast-paced environment.
• Strong analytical, problem-solving, and critical-thinking skills.
• Proficiency with Microsoft Office, particularly Excel.
• Ability to work independently and collaboratively with individuals at all organizational levels.
• Must possess a valid driver’s license with a clean driving record without restrictions.

• Associate's or Bachelor's degree in Accounting, Finance, Business Administration, or a related field.
• Experience with U.S. Government contract invoicing.
• Experience using Oracle or other enterprise financial systems.
• Experience working in a consulting, engineering, or professional services environment.
• Knowledge of project accounting principles.

• Primarily office-based work environment.
• Ability to work at…