Commercial Counsel (In-House)

Join Siro, a fast-scaling AI company, as a Commercial Counsel. In this hands-on role, you will be responsible for negotiating, drafting, and executing enterprise customer contracts and strategic partner agreements. You will work closely with Sales, Partnerships, and Business Operations, serving as a trusted advisor and collaborating with external counsel when needed. This is a unique opportunity to be at the forefront of legal as a growth accelerator in a rapidly evolving industry.

• Lead end-to-end negotiation and execution of enterprise customer agreements and strategic partner contracts.
• Balance speed, risk, and commercial reality in enterprise negotiations, helping the business move deals forward.
• Work closely with Sales, Partnerships, and Business Operations, serving as a trusted advisor to deal owners.
• Enjoys being in live deal conversations
• Wants to grow with the company as volume and complexity increase
• Thinks creatively about risk rather than defaulting to “no”
• 3–8+ years of legal experience, with:
• Strong training in commercial contracts
• Exposure to startup or high-growth environments preferred
• Low ego; high ownership
• Experience negotiating complex B2B or enterprise agreements
• Background in Big Law and/or in-house at a technology company
• Enjoys volume, repetition, and complexity — not just “big moments”
• Hands-on, execution-oriented, and detail-driven
• Comfortable operating with ambiguity and incomplete information
• Willingness to accept non-ideal terms when necessary to close strategic deals
• Demonstrated ability to manage risk pragmatically, not eliminate it