[Remote] Commercial Legal Lead

Note: The job is a remote job and is open to candidates in USA. Mantel Capture, Inc is developing innovative molten-salt-based carbon capture technology aimed at achieving net-negative emissions. The Senior Commercial Counsel will manage the company's contracts function, drafting and negotiating various agreements while contributing to commercial strategy and deal structuring.ResponsibilitiesOwn 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 contractsTake 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 negotiateDevelop and maintain standard form agreements and negotiation playbooks that keep Mantel's contracting process efficient and consistentMaintain a clean contracts repository and ensure Mantel's obligations, rights, and key dates are tracked and enforcedDevelop and manage external counsel relationships where specialized expertise is needed, keeping scope and cost tightContribute to the strategic framing of commercial deals, not just the legal terms, but the structure, risk allocation, and commercial logic behind themHelp Mantel build scalable commercial structures as the company moves from demonstration to full deploymentSupport due diligence processes for partnerships, project financing, and government grantsServe as a trusted, accessible internal legal resource across the organization - fast, practical, and easy to work withWork closely with the commercial, engineering, and finance teams to understand the deals Mantel is pursuing and the legal risks that actually matterDraft and negotiate term sheets that set the right commercial and legal foundation before full agreements are executedOwn 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 objectivesIdentify and push back on terms that create undue legal risk or limit Mantel's flexibility as the business scalesSkills5+ years of transactional legal experience, in private practice or in-house at a technology, energy, or industrial companyLaw degree requiredExperience negotiating real commercial contractsAbility to take a position, defend it, and close dealsAbility to give practical advice that moves deals forward and is solution orientedGenuine curiosity about carbon capture, industrial decarbonization, and the commercial landscape Mantel is operating inComfortable being Mantel's primary legal voice on commercial matters in a company where the legal function is still being builtStartup or early-stage company experience or exposure is a strong assetBenefitsHighly competitive pay based on experience, including equity90% subsidized medical and dental healthcare coverage for employees, 50% for dependentsUnlimited vacation policy, mental health personal days, generous sick leave, plus a week-long winter break at the end of DecemberHealth/Fitness and cell phone stipendPaid parental leaveCompany OverviewMantel proposes a method to trap CO2 before it enters the atmosphere. It was founded in 2022, and is headquartered in Cambridge, Massachusetts, USA, with a workforce of 11-50 employees. Its website is https://mantelcapture.com.