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Mantel

Commercial Legal Lead

Mantel

Senior Commercial Counsel responsible for end-to-end management of contracts at Mantel. Involved in commercial strategy and supporting the growth of carbon capture technology.

Posted 6/10/2026full-timeCambridge • Massachusetts • 🇺🇸 United StatesSeniorWebsite

About the role

Key responsibilities & impact
  • Own Mantel's commercial contracts end-to-end: draft, negotiate, and close MSAs, NDAs, engineering service agreements, term sheets, licensing agreements, offtake agreements, strategic supply agreements, strategic partnership agreements and project-level commercial contracts
  • Take and defend clear positions on representations and warranties, indemnification, liability caps, IP ownership & governance, and dispute resolution - and know when to hold firm and when to negotiate
  • Develop and maintain standard form agreements and negotiation playbooks that keep Mantel's contracting process efficient and consistent
  • Maintain a clean contracts repository and ensure Mantel's obligations, rights, and key dates are tracked and enforced
  • Develop and manage external counsel relationships where specialized expertise is needed, keeping scope and cost tight
  • Contribute to the strategic framing of commercial deals, not just the legal terms, but the structure, risk allocation, and commercial logic behind them
  • Help Mantel build scalable commercial structures as the company moves from demonstration to full deployment
  • Support due diligence processes for partnerships, project financing, and government grants
  • Serve as a trusted, accessible internal legal resource across the organization - fast, practical, and easy to work with
  • Work closely with the commercial, engineering, and finance teams to understand the deals Mantel is pursuing and the legal risks that actually matter
  • Draft and negotiate term sheets that set the right commercial and legal foundation before full agreements are executed
  • Own Mantel's licensing strategy from a contracts and legal perspective — understanding how IP rights, exclusivity provisions, grant-back clauses, and royalty structures interact with commercial objectives
  • Identify and push back on terms that create undue legal risk or limit Mantel's flexibility as the business scales

Requirements

What you’ll need
  • 5+ years of transactional legal experience, in private practice or in-house at a technology, energy, or industrial company; startup or early-stage company experience or exposure is a strong asset
  • Law degree required
  • You've negotiated real commercial contracts and know how to take a position, defend it, and close
  • You give practical advice that moves deals forward and you are solution oriented - counterparties and colleagues alike know you're someone who gets things done
  • You have genuine curiosity about carbon capture, industrial decarbonization, and the commercial landscape Mantel is operating in

Benefits

Comp & perks
  • Highly competitive pay based on experience, including equity
  • 90% subsidized medical and dental healthcare coverage for employees, 50% for dependents
  • Unlimited vacation policy, mental health personal days, generous sick leave, plus a week-long winter break at the end of December
  • Health/Fitness and cell phone stipend
  • Paid parental leave

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools
contract draftingcontract negotiationMSANDAlicensing agreementsdispute resolutiondue diligencerisk allocationIP ownershipcommercial contracts
Soft Skills
solution orientedpractical advicenegotiationclear communicationrelationship managementinternal legal resourcecollaborationcuriositystrategic thinkingflexibility
Certifications
law degree