Jobs at Simpson Thacher & Bartlett LLP

Build, test, deploy, and govern AI workflows for M&A transactions using legal technology tools. Translate M&A legal reasoning into reliable AI logic, evaluate outputs, manage datasets and testing frameworks, advise on AI governance and professional responsibility, train attorneys, assess new technologies, and lead AI adoption across the practice.

Owns strategy, roadmap, governance, release management, vendor relationships, adoption, and ROI for enterprise generative AI platforms. Partners with legal, technology, security, governance, and business teams to evaluate features, manage risk, develop workflows, coordinate deployments, and drive responsible adoption. Tracks platform performance and business value, supports users, manages releases and escalations, and provides executive recommendations on roadmap, investment, and AI enablement.

Supports client development and marketing initiatives for the firm's Litigation, Investigations, and Regulatory practices. Responsibilities include maintaining website and promotional content, coordinating events, managing CRM data, preparing directory submissions, conducting competitive research, supporting pitches and presentations, tracking litigation-related activities, and distributing communications. The role collaborates with partners and cross-functional teams and requires strong communication, research, project management, and organizational skills.

Leads the architecture, development, and optimization of production-grade machine learning infrastructure on Azure. Designs scalable training and inference environments, implements MLOps practices, automates ML workflows, and establishes reusable deployment frameworks. Partners with data science, DevOps, and platform engineering teams to productionize models, strengthen security and observability, and ensure reliable, compliant systems. Mentors junior engineers and drives ML infrastructure strategy across multiple use cases.

Supports Talent Acquisition recruiting across six U.S. offices by coordinating interviews, maintaining candidate and requisition information, communicating with candidates and hiring managers, preparing offer and onboarding paperwork, coordinating background checks, producing recruiting progress reports, and assisting with HR and recruiting projects.

Leads global product management and design for custom-built and SaaS legal practice solutions. Defines product vision, roadmaps, requirements, UX strategy, user research, pilots, vendor relationships, and client-facing AI-enabled offerings. Manages multidisciplinary teams, budgets, stakeholder alignment, product lifecycle improvements, and adoption strategies across the firm.

Performs staff-level accounting activities, including journal entries, general ledger analysis, balance sheet and bank reconciliations, disbursement processing, escrow accounting, online banking transactions, cash reporting, and monthly close activities. The role requires communication with accounting teams, accuracy, organization, and deadline management.

Administer and support the Firm’s iManage document management environment, including workspace governance, cloud services, ethical walls, integrations, REST API automation, upgrades, testing, reporting, and troubleshooting. Engage attorneys and business teams through training, documentation, communications, and workflow guidance. Partner with Information Governance, IT, vendors, and stakeholders to improve adoption, security, compliance, support processes, and information management across the Firm.

Develops knowledge strategy and resources for exempt organizations and personal planning legal practices. Evaluates and supports AI and legal technology adoption, creates precedents and training materials, monitors legislative and legal developments, publishes client alerts, maintains practice intelligence dashboards, supports pitches and RFPs, and mentors attorneys on legal research and knowledge resources.

Leads the firm-wide AI governance and risk program, developing policies, standards, controls, evaluation processes, and vendor due diligence. The role manages AI risks across the lifecycle, including privacy, cybersecurity, compliance, ethics, and third-party risk. It monitors global AI regulations, advises partners and senior leadership, coordinates with legal, security, information governance, and technology teams, and drives responsible AI training, awareness, and adoption across the firm.

The Conflicts Analyst supports law firm client and matter intake by reviewing conflict inquiries, applying ethical and business rules, researching prospective clients and related parties, assessing risks, and preparing conflict waivers. The role maintains accurate conflicts data, verifies intake information, collaborates with attorneys and global staff, and manages high-volume assignments with discretion, strong organization, and tight deadlines.

Manages client development and business development initiatives for litigation, investigations, and regulatory practices. Responsibilities include developing pitches and proposals, conducting client and competitive research, implementing strategic plans, maintaining marketing collateral and databases, supporting website and communications content, coordinating events, managing directory submissions, and cultivating relationships with partners, clients, and internal stakeholders. The role also oversees multiple projects, supports revenue growth, and collaborates across offices and departments.

Develop and lead enterprise security architecture across on-premises, cloud, and containerized environments. Establish security standards, roadmaps, hardening practices, and AI security controls; review architectures, guide implementations, evaluate security tools, and mitigate technology risks. Advise business and engineering stakeholders, oversee proof-of-concepts and integrations, monitor security effectiveness, and address emerging cyber threats through threat intelligence and strategic risk management.

Lead strategy and execution of litigation submissions to major legal directories (Chambers, Legal 500, Benchmark, etc.). Manage submission content, researcher interviews, reference outreach, results tracking, and a centralized litigation matter database. Partner with litigators, practice leaders, and CDE teams to develop narratives, benchmark rankings, and train stakeholders to improve department visibility and rankings.

Manage the firm’s learning management system, including configuration, permissions, content organization, governance, troubleshooting, vendor coordination, and system optimization. Lead end-user training, documentation, change management, and support for administrators and learners. Analyze LMS engagement, utilization, and user data to produce actionable business intelligence and improve learning strategy, system performance, and user experience.

Lead development and execution of infrastructure security strategy and roadmap across on-prem, cloud, and hybrid environments. Establish standards, implement controls (servers, endpoints, network, cloud, containers), drive automation (IaC, policy-as-code), manage security tooling lifecycle, measure KPIs/KRIs, remediate risks, mentor engineers, and partner with cross-functional teams to enable secure technology delivery and incident response.

Lead and operationalize the enterprise application security program across internal and third-party applications, APIs, cloud-native and containerized workloads. Define secure SDLC/DevSecOps standards, integrate automated testing into CI/CD, manage AppSec tooling lifecycle, perform threat modeling and architecture reviews, mentor engineers, manage third‑party risk, and report metrics to technical and executive stakeholders.

Lead firm-wide AI program management from strategy through deployment and adoption. Oversee vendor selection and integrations (Claude, Harvey, Co-Pilot), implement PMO governance, apply Agile practices, manage roadmaps/budgets/risks, drive change management and responsible AI compliance, and mentor PMO staff to ensure measurable business value across practice groups.

Manage planning, execution, governance, and delivery of firm-wide programs. Lead project lifecycles, stakeholder coordination, change management, roadmaps, budgets, risk registers, and reporting. Liaise with business, legal, leadership, and vendors; support PMO governance, adoption activities, and compliance with data privacy and confidentiality.

Manage staffing, utilization, hiring, onboarding, performance and professional development for the Corporate paralegal team. Coordinate resource allocation across offices, improve workflows and processes, implement automation/AI opportunities, handle reporting and budgeting, and serve as a primary point of contact for attorneys, practice directors and stakeholders.