Senior Artificial Intelligence Lawyer – M&A

Simpson Thacher & Bartlett LLP

. Lead the hands-on design, development, and deployment of AI workflows for the M&A practice .

Posted 9/21/2026full-timeNew York City • New York • United StatesSenior💰 $300,000 - $350,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in designing and deploying AI workflows specifically for M&A practices, with a strong focus on legal reasoning and due diligence processes. Capable of leading AI adoption initiatives and training legal professionals on AI tools and best practices.

Highest-signal resume keywords

J.D. Or Equivalent8-10 Years Of M&A Legal ExperienceAI Workflow DevelopmentDeep Knowledge Of M&A TransactionsStrong Project Management Skills

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

AI Workflow DesignM&A Legal ReasoningDue Diligence AnalysisTransaction Document ReviewData Privacy CompliancePrompt Library GovernanceEvaluation Framework DevelopmentModel Fine-TuningCross-Functional CollaborationLegal Technology Proficiency

Soft Skills

Outstanding Communication SkillsStrong Customer Service OrientationSelf-StarterMotivational LeadershipAnalytical Skills

Tools & Technologies

HarveyLegoraDeepJudgeClaude CoworkClaude Code

Industry Keywords

Mergers And AcquisitionsLegal TechnologyAI AdoptionProcess ImprovementConfidentiality

About the role

Key responsibilities & impact

Lead the hands-on design, development, and deployment of AI workflows for the M&A practice
Fine-tune models on M&A knowledge and build reusable workflows
Use Harvey, Legora, DeepJudge, Claude Cowork, and Claude Code to build, test, refine, and ship production-quality AI solutions
Collaborate with Engineering, Data Science, KM Lawyers, Practice Solutions, and M&A leadership
Develop strategies that drive sustained AI adoption within the M&A practice
Identify high-impact AI use cases across deal screening, due diligence, signing, and closing
Test and evaluate workflows against legal first principles; refine prompts and workflow logic
Build datasets, test sets, and evaluation frameworks for proofs of concept, pilots, and ongoing development
Govern AI assets including prompts, prompt libraries, workflows, vaults, and document collections
Design and deliver AI training, workshops, and best-practice resources for M&A lawyers
Advise on confidentiality, privilege, data privacy, output reliability, and professional responsibility
Share successful use cases and best practices across practice groups
Evaluate new AI technologies through demonstrations, proofs of concept, and pilots
Monitor AI, legal technology, and M&A developments to identify process-improvement opportunities

Requirements

What you’ll need

J.D. or equivalent
8-10 years of practice experience as a lawyer in mergers and acquisitions
Deep knowledge of M&A transactions, due diligence processes, and related legal documents
Meaningful legal technology and/or AI experience, including exposure to Harvey, Legora, Claude Cowork, Claude Code, or similar platforms
Demonstrated experience building and shipping AI workflows end-to-end
Deep understanding of translating M&A legal reasoning, due diligence analysis, and transaction document review into structured, executable AI logic
Outstanding written and verbal communication skills
Experience working cross-functionally with Engineering, Data Science, KM Lawyers, and practice groups
Strong project management, organizational, and analytical skills with exceptional attention to detail
Self-starter and highly motivated; comfort championing AI adoption and leading change
Confidence teaching, coaching, and mentoring lawyers on AI tools and workflows
Strong customer service orientation and prompt response time
Applicants must not require work visa sponsorship

Benefits

Comp & perks

Exempt role (not overtime pay eligible)
The Firm prohibits discrimination or harassment based upon protected statuses
Collegial work environment in which all individuals are treated with respect and dignity