Database Administrators

2 weeks ago


Toronto, Ontario, Canada Mercor Full time US$108,000 - US$120,000 per year

1. Role Overview

Mercor is collaborating with a leading AI organization to identify experienced Database Administrators for a high-priority training and evaluation project. Freelancers will be tasked with performing a wide range of real-world database operations to support AI model development focused on SQL, systems administration, and performance optimization. This short-term contract is ideal for experts ready to bring practical, production-grade insights to frontier AI training efforts.

2. Key Responsibilities

  • Design and optimize complex SQL queries using EXPLAIN plans and indexing strategies

  • Implement schema changes with CREATE/ALTER statements and rollback planning

  • Configure and validate automated backup and restoration procedures

  • Manage user roles and permissions following defined security policies

  • Export/import data between systems with validation checks and encoding integrity

  • Execute data quality checks and report violations with remediation scripts

  • Apply statistics updates, manage transaction logs, and test failover recovery

  • Perform compliance data extractions, patching, and system audits for enterprise use cases

  • Document processes and performance findings in clear, reproducible formats

3. Ideal Qualifications

  • 5+ years of experience as a Database Administrator working in production environments

  • Expert-level SQL skills and proficiency with PostgreSQL, MySQL, and/or SQL Server

  • Strong background in performance tuning, security, data integrity, and schema design

  • Familiarity with compliance standards (e.g., SOX), data export formats, and backup tooling

  • Comfortable handling large datasets, interpreting execution plans, and managing database infrastructure end-to-end

  • Ability to produce production-quality scripts and documentation for technical audiences

4. More About the Opportunity

  • Remote and asynchronous — work on your own schedule

  • Expected commitment: minimum 30 hours/week

  • Project duration: ~6 weeks

5. Compensation & Contract Terms

  • $90–100/hour for U.S.-based freelancers (localized rates may vary)

  • Paid weekly via Stripe Connect

  • You'll be classified as an independent contractor

6. Application Process

  • Submit your resume followed by domain expertise interview and short form

7. About Mercor

  • Mercor is a talent marketplace that connects top experts with leading AI labs and research organizations.

  • Our investors include Benchmark, General Catalyst, Adam D'Angelo, Larry Summers, and Jack Dorsey.

  • Thousands of professionals across domains like law, creatives, engineering, and research have joined Mercor to work on frontier projects shaping the next era of AI.



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