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.
Responsibilities
- 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
Skills
- 5+ years of transactional legal experience, in private practice or in-house at a technology, energy, or industrial company
- Law degree required
- Experience negotiating real commercial contracts
- Ability to take a position, defend it, and close deals
- Ability to give practical advice that moves deals forward and is solution oriented
- Genuine curiosity about carbon capture, industrial decarbonization, and the commercial landscape Mantel is operating in
- Comfortable being Mantel's primary legal voice on commercial matters in a company where the legal function is still being built
- Startup or early-stage company experience or exposure is a strong asset
Benefits
- 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
Company Overview
Mantel 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.