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Senior Accountant, Accounting Operations

Panthalassa· Business Operations
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Portland, OR$125k - $180kfull-timePosted 2w ago

About the role

Senior Accountant responsible for owning the month-end close, balance sheet reconciliations, fixed assets/capital projects, and ensuring accurate, auditable financials in a fast-moving hardware-focused company.

Responsibilities

  • Execute key month-end close tasks on schedule, including journal entries, accruals, prepaids, supporting schedules, and month-over-month flux analysis, to deliver accurate, reliable, and timely financial statements.
  • Own balance sheet reconciliations, ensuring every account is reconciled, supported, and reviewed monthly, and resolve variances before they carry forward.
  • Account for fixed assets and capital projects, including CIP, capitalization vs. expense decisions, and depreciation, as the company moves from R&D toward manufacturing.
  • Oversee the flow of transactions into NetSuite, ensuring invoices, bills, expenses, and payments are routed correctly and coded accurately by department, project, vendor, and spend category.
  • Partner with engineering, manufacturing, and procurement to understand the business context behind spend and turn it into repeatable coding and accounting rules.
  • Resolve payment and invoice issues, including discrepancies, missing payments, and payment timing, working with internal teams and vendors.
  • Identify manual or error-prone workflows and improve them through automation, AI tools, better spreadsheet design, or ERP configuration, and document the result.
  • Build and maintain controls and documentation that make the books auditable and scalable.
  • Lead audit, tax, and compliance deliverables for the accounting areas you own.
  • Maintain an extremely high bar for accuracy, confidentiality, responsiveness, and ownership.

Qualifications

  • 5+ years of accounting experience, including at least 3 years in an industry role owning general ledger and month-end close work.
  • Bachelor's degree in Accounting.
  • Strong understanding of U.S. GAAP, including accruals, prepaids, capitalization, and how the three financial statements connect.
  • Experience independently preparing journal entries, balance sheet reconciliations, and supporting schedules.
  • Strong number sense and investigative capability to identify and resolve anomalies and variances.
  • Sound judgment on accounting treatment with ability to research questions and provide recommendations.
  • Technology-forward approach with experience using AI and automation to improve accounting work while preserving accuracy and controls.
  • Ability to understand business context and translate it into clear, repeatable accounting treatment.
  • Experience with NetSuite or another ERP and a modern spend platform.
  • Advanced Excel skills.
  • Clear communication with internal teams and external partners.
  • Hands-on, ownership-oriented mindset and comfort building processes in a fast-moving, lean environment.

Skills

Required:Month-end close leadershipBalance sheet reconciliationsFixed assets and CIP accountingNetSuite experienceGAAP knowledge

Benefits

  • Flexible paid time off
  • Health insurance (company covers 100% of gold-level PPO for employees, partners, and dependents)
  • Dental insurance (100% for employees, partners, and dependents)
  • Vision insurance (100% for employees, partners, and dependents)
  • Disability insurance (long-term financial support)
  • Tax-advantaged accounts (401(k), health FSA, dependent care FSA)
  • Relocation assistance to Portland (if needed)
Last updated Oct 12, 2026. Interested? Apply on the company site.
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About Panthalassa

Go where the energy is

We're harnessing renewable energy in the open ocean and delivering it around the world. Engineered in Portland, Oregon.

Planetary-scale energyclean energy platformrenewable energyocean energypilot deploymentpublic-benefit corporation
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