Senior Accountant (Cross-Border/US Tax)

We’re seeking a Senior Accountant to serve as a technical leader within our accounting team, with a focus on percentage-of-completion (POC) accounting, financial consolidation, and audit readiness.

This is a high-impact, high-visibility role that partners closely with executive leadership, project teams, and external auditors. You’ll play a key role in ensuring accurate financial reporting while helping scale accounting processes in a fast-growing, project-driven environment.  

Company Overview

Integrated Water Services (IWS) is revolutionizing water! For over 20 years, we have been at the forefront of transforming water challenges into sustainable solutions. Our team of passionate innovators designs and builds cutting-edge water and wastewater treatment systems that protect communities and the environment. From bustling cities to remote regions, we are making a real, positive impact on the world.

We are not just engineers and builders; we are problem solvers, creators, and environmental stewards. Join us in building a better future, one water drop at a time.

What you'll do

Project & Revenue Accounting (POC/WIP)

• Act as the subject matter expert on ASC 606 revenue recognition for long-term contracts
• Prepare and review monthly WIP schedules, including cost-to-complete, revenue recognition, and margin analysis
• Partner with project managers to validate forecasts, budgets, and change orders
• Develop and maintain accounting policies and internal controls

Financial Close & Consolidation

• Lead month-end and quarter-end close, including multi-entity consolidation and intercompany eliminations
• Prepare consolidated financial statements and supporting schedules
• Improve close processes through standardization and automation 

Audit & Technical Accounting

• Serve as a key contact for external auditors
• Prepare audit schedules, technical memos, and supporting documentation
• Research and apply accounting standards (ASC 606, ASC 842, etc.)

Reporting & Continuous Improvement

• Support management reporting, KPI tracking, and investor/lender reporting
• Assist with project profitability and cash flow analysis
• Identify and implement process improvements and system enhancements
• Mentor junior team members and support a collaborative team environment

 Required

• Bachelor’s degree in Accounting, Finance, or related field
• 3–5+ years of accounting experience, including public accounting audit
• Strong knowledge of US GAAP, particularly revenue recognition (ASC 606)
• Experience with construction, engineering, or project-based accounting (POC/WIP)
• Experience with financial consolidations across multiple entities
• Advanced Excel skills and ability to work with large datasets
• Strong communication skills and attention to detail

Preferred

• CPA (active or in progress)
• Big Four or top-tier audit experience
• Background in design-build, EPC, or water/wastewater industries
• Experience with ERP/project accounting systems (e.g., NetSuite, Sage Intacct, Viewpoint, Procore)
• Exposure to private equity–backed or high-growth environments

Join Our Team:

Are you ready to make a splash? IWS is seeking talented individuals to join our high-energy team. We offer competitive compensation and endless opportunities for growth. Be part of something bigger than yourself.

IWS offers:

Competitive salary and benefits including:

• Medical, Dental, Vision, STD, LTD
• PTO and 8 company-paid holidays
• 401k with a 4% company match
• Incentive compensation 

IWS is an equal opportunity employer, we do not discriminate based on marital status, race, color, creed, gender, sex, religion, national origin, gender identity, age, veteran status, union affiliation, physical or mental disability, citizenship status, or sexual orientation.