Assistant General Counsel – Commercial, Corporate

Commonwealth Fusion Systems

. Serve as the dedicated commercial and corporate legal lead and foundational leader on CFS’s legal team .

Posted 9/18/2026full-timeDevens • Massachusetts • United StatesSeniorLead💰 $150,000 - $225,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in commercial and corporate legal functions, including drafting and negotiating complex contracts, managing legal teams, and providing strategic legal guidance. Possesses a strong background in corporate governance, risk mitigation, and operationalizing legal systems within fast-paced environments.

Highest-signal resume keywords

J.D. From An Accredited Law SchoolActive Bar Admission In Good Standing12+ Years Of Legal ExperienceDeep Background In Drafting And Negotiating Complex Commercial ContractsExperience Mentoring And Managing Legal Teams

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Drafting Complex ContractsNegotiating Strategic PartnershipsCorporate GovernanceEntity StructuringCommercial Legal SystemsContract Lifecycle Management (CLM) ToolsTechnology TransferLicensing AgreementsJoint VenturesRisk Mitigation

Soft Skills

Exceptional JudgmentAbility To Synthesize Complex ConceptsProactive Self-Starter MentalityComfort Advising Senior LeadershipPassion For Clean Energy

Certifications & Qualifications

Eligible For MA In-House Counsel Registration

Industry Keywords

Commercial Legal FunctionCorporate DevelopmentGlobal Supply ChainFast-Growing TechnologyAdvanced ManufacturingIndustrial CompanyStrategic InvestmentsScience-Based Product CommercializationFusion EnergySafety In High-Risk Environments

About the role

Key responsibilities & impact

Serve as the dedicated commercial and corporate legal lead and foundational leader on CFS’s legal team
Build and scale CFS’s commercial legal function, including scalable contract workflows, tools, standard templates, negotiation playbooks, and training
Lay the groundwork for and ultimately recruit and lead a commercial and corporate legal team
Structure, draft, and negotiate complex, high-value customer, supplier, vendor, procurement, joint development, strategic alliance, and partnership agreements
Support corporate development initiatives, including strategic partnerships, joint ventures, strategic investments, technology transfers, licensing, and other complex transactions
Provide legal support on corporate, subsidiary, entity management, and corporate transaction matters
Advise procurement and global supply chain teams and mitigate risk across international supply chains
Provide pragmatic, creative, and actionable legal guidance balancing risk mitigation with commercial urgency
Partner with commercial, corporate development, supply chain, engineering, global affairs, finance, and compliance teams
Report directly to the Chief Legal Officer and advise executive leaders across commercial and business development, corporate development, strategic partnerships, supply chain, finance, and engineering

Requirements

What you’ll need

J.D. from an accredited law school
Active bar admission in good standing in at least one U.S. jurisdiction
Eligible for MA In-House Counsel registration
12+ years of legal experience
Experience ideally starting at a top-tier law firm followed by significant in-house experience at a fast-growing, complex technology, energy, advanced manufacturing, or industrial company
Deep background drafting and negotiating complex commercial contracts, strategic partnerships, global supply chain agreements, and corporate development transactions, including joint ventures, strategic investments, licensing, and technology transfer
Familiarity with corporate governance, entity structuring, and general corporate transaction support
Proven track record creating, operationalizing, and/or improving commercial legal systems, CLM tools, and negotiation playbooks from the ground up
Experience mentoring, managing, or building legal teams, or clear readiness to do so
Exceptional judgment and ability to synthesize complex technical, operational, and legal concepts into actionable advice for non-lawyers
Comfort advising senior leadership and acting as a trusted strategic partner
Proactive, self-starter mentality in a fast-changing, high-ambiguity environment
Genuine passion for clean energy, deep technology, science-based product commercialization, and fusion energy
Dedication to safety in environments involving potential heat, cold, noise, fumes, strong magnets, lead, high voltage, and cryogenics
Willingness to occasionally travel or work required nights, weekends, or on-call

Benefits

Comp & perks

Competitive compensation with equity
13 Company-wide Holidays
Flexible vacation days
10 sick days
Generous parental leave policy
Health, dental, and vision insurance
401(k) with employer matching
Professional growth opportunities
Team-building activities