About Mercor

Mercor's mission is to organize human intelligence to power the AI economy. We're a leading AI data company, building the layer between human expertise and frontier models. Millions of domain experts on the platform are paid over $4 million per day to train frontier AI models. Mercor's APEX benchmark family measures AI's real-world impact on professional work. Mercor Enterprise brings this same infrastructure to Fortune 500 companies: helping companies capture how their best people actually work, translating that expertise directly back into agents.

Mercor is creating a new category of work where expertise powers AI advancement. Achieving this requires an ambitious, fast-paced and deeply committed team. You’ll work alongside researchers, operators, and AI companies at the forefront of shaping the systems that are redefining society. Mercor is a profitable Series C company valued at $10 billion. We work in-person five days a week in our San Francisco, NYC, or London offices.

About the Role

Silicon Valley’s leading AI companies partner with Mercor to scale high-quality data operations. As an SPL, you will:

• Drive the tactical execution of multi-million-dollar projects.

• Build deep client relationships with researchers at top AI labs.

• Orchestrate the work of 1,000+ contributors.

• Ensure flawless operational execution under demanding timelines.

This is a hands-on operations role for candidates excited by process optimization, rapid iteration, and high-intensity problem solving. We're an early-stage startup that operates with intensity. That means occasionally being responsive on weekends and always holding a high bar for output. The upside — performance incentives, career trajectory, and meaningful equity — reflects that.

Core Responsibilities

Operational Excellence

• Design and manage end-to-end data pipelines, from customer specifications to final delivery.

• Diagnose bottlenecks, restructure workflows, and implement solutions that improve quality, throughput, and cost-efficiency.

• Examples include: creating incentive systems, re-sequencing workflows, refining instructions, and scaling review processes.

Customer Relationships

• Act as the primary point of contact for leading AI labs.

• Deliver clear, consistent reporting and proactively anticipate client needs.

• Build long-term trust and identify opportunities for expansion.

Large-Scale Coordination

• Manage 1,000+ distributed contributors in Slack-based workspaces.

• Source, vet, train, and performance-manage domain experts.

• Maintain high execution standards across all stages of production.

Quality Reporting

• Run daily internal syncs (“war rooms”) to stay ahead of issues.

• Provide regular, transparent progress updates to customers.

What We’re Looking For

• Experience: Background in consulting, finance, startups, or other operationally intense environments.

• Skills: Strong analytical and communication abilities; proven track record of managing complex projects.

• Customer-Facing Experience: Comfortable working directly with high-profile clients.

• Mindset: Excited by “gritty” process optimization and large-scale execution.

Key Facts

• SPLs generate $10M+ in project revenue annually.

• In-office Mon–Fri

• Customer requests are high-pressure and time-sensitive (e.g., onboarding 1,000 contributors in 3 days, delivering 10+ hours of quality data per contributor within 48 hours).

• The role is explicitly operations-focused—not strategy, product, or GTM.

Growth Path

• SPLs begin as individual contributors, running projects end-to-end.

• High performers may advance to Senior SPL (SSPL) roles, managing multiple projects and teams of SPLs.

Compensation

• Base cash comp from £89,500 to £111,900 for SPL, £111,900 – £149,200 for SSPL

• Aggressive bi-annual performance bonus structure

• Generous equity grant vested over 4 years

• £8K proximity bonus (if you live within 0.5 miles of our office)

• £1.2K monthly stipend for meals

• Free Gym membership

• £160 monthly laundry reimbursement

• £160 monthly personal wellness reimbursement

• Private medical, dental insurance

• Income protection, group life assurance, and critical illness cover

• Pension with company match

We consider all qualified applicants without regard to legally protected characteristics and provide reasonable accommodations upon request.