Treasury and Tax Analyst

Commonwealth Fusion Systems•Devens, MA

22h•$113,000 - $141,000

About The Position

Commonwealth Fusion Systems is seeking a Treasury and Tax Analyst to add execution capacity and bench strength within Corporate Finance. Under the direction of the Corporate Finance Manager, the analyst will own assigned analyses, trackers, reconciliations, documentation, and recurring deliverables across treasury, banking, financing, equity, investor support and compliance, and tax. The role is designed to reduce key-person risk, establish disciplined and transferable processes, and build a broad Corporate Finance foundation that can support future progression into a Treasury Manager or Tax Manager role as the organization grows. The Corporate Finance Manager remains accountable for strategy, priorities, stakeholder relationships, judgment, approvals, and overall quality; the analyst is accountable for accurate, timely execution and end-to-end follow-through on assigned workstreams, including coordinating inputs and escalating risks with a recommendation. Commonwealth Fusion Systems is working to deliver fusion energy and build commercially viable fusion power plants. The company describes itself as the largest and leading fusion company in the world and has raised $4 billion of capital since 2018. The role involves cross-functional collaboration and handling sensitive information. Occasional nights, weekends, or on-call work may be required during payroll processing, month-end close, audits, compliance deadlines, system issues, or urgent operational escalations. Work takes place in a facility containing industrial hazards, including heat, cold, noise, fumes, strong magnets, lead, high voltage, high current, pressure systems, and cryogenics. The salary range is $113,000–$141,000 per year for this full-time position, plus equity and benefits. Actual salary depends on level, location, qualifications, and experience. The posting notes that the displayed range reflects new-hire salaries across all U.S. locations. Employment is contingent on compliance with U.S. Export Control Laws.

Requirements

Bachelor’s degree in Accounting, Finance, Economics, or a related field.
Active CPA license required.
At least 5 years of experience in treasury, accounting, tax, corporate finance, banking operations, audit, or another controlled environment.
Strong Excel and analytical skills.
Disciplined attention to detail and clear communication skills.
Ability to translate data into conclusions, coordinate inputs, manage deadlines, and handle sensitive information with sound judgment.
Ability to perform extended activities such as typing, standing, sitting, and walking.
Ability to work occasional nights, weekends, or on-call when required for operational or compliance needs.
Ability to work in a facility containing industrial hazards, including heat, cold, noise, fumes, strong magnets, lead, high voltage, high current, pressure systems, and cryogenics.
Compliance with U.S. Export Control Laws is required; any employment offer is contingent on this compliance.

Nice To Haves

Broad curiosity and interest in developing deeper expertise in treasury or tax.
Experience with an ERP, Carta, or a treasury or banking platform.
Experience at a high-growth company.

Responsibilities

Prepare cash, liquidity, investment, and banking analyses; maintain debt, letter-of-credit, financing, and counterparty trackers.
Support banking account administration, KYC, documentation, payment-control evidence, and bank or counterparty follow-up.
Support Carta and cap-table data, reconciliations, documentation, and employee or investor requests.
Prepare investor diligence packages, recurring compliance deliverables, obligation calendars, and supporting records in coordination with Accounting, Legal, FP&A, Investor Relations, and advisors.
Support the year-end tax provision, R&D credit, energy tax credits, tax calendars and data requests, and ARC/global-tax planning analyses.
Document procedures, maintain control evidence, reconcile data, identify gaps, and recommend practical improvements and backup coverage.
Plan assigned work, coordinate inputs, meet deadlines, and follow through to completion.
Communicate status, risks, recommendations, owners, timing, and specific requests concisely and proactively.
Build productive working relationships across functions without relying on authority and handle sensitive information with sound judgment.