Marketing Expert for AI Model Evaluation

Provide senior marketing judgment to a GenAI team that develops large language models, shaping training data by designing real-world marketing tasks, producing model-grounded solutions, and judging model responses against structured rubrics. This role blends hands-on marketing practice with rigorous evaluation to improve model behavior for brand strategy, growth, and campaign reasoning.

• Work with research and engineering teams to close knowledge gaps in brand strategy, growth marketing, and campaign-reasoning use cases.
• Design domain-relevant marketing tasks that challenge models, and author accurate, well-reasoned solutions grounded in real marketing practice.
• Evaluate AI model outputs using structured rubrics, providing clear written feedback on correctness, judgment, and the quality of reasoning.
• Develop and refine evaluation guidelines and scoring rubrics specific to marketing scenarios.
• Collaborate with other subject matter experts to align standards and ensure consistency and accuracy in training and evaluation data.

• Minimum 8 years of focused professional experience in marketing, such as brand strategy, growth marketing, or performance marketing, at a recognized, top-tier organization. Examples include P&G, Unilever, Nike, Ogilvy, WPP, Omnicom, or equivalent employers.
• Prior hands-on experience evaluating LLM or AI model outputs against rubrics or structured scoring criteria, mandatory. Applicants must describe this specific experience in their application and may include examples or artifacts.
• Clear record of career progression, for example roles such as Marketing Manager to Senior Manager to Director or VP of Marketing.
• Ability to commit reliably to at least 35 hours per week, during weekdays.
• Strong verbal and written communication, problem-solving ability, and interpersonal skills.

• Employment type: hourly, W-2 employment through Cincinnatus LLC, which acts as the employer of record.
• Placement: employees are placed with a leading AI lab as part of the client team; work will be performed as an extended workforce member within that client environment.
• Payroll, benefits, and compliance are administered by Cincinnatus LLC while you work on client projects.

Hourly rate: 60 to 80 per hour.

• Location: United States. Candidates should be able to work for a U.S.-based engagement.
• Employment is W-2 through Cincinnatus LLC. Any legal or work-authorization requirements associated with U.S. employment apply.
• Cincinnatus LLC is an equal opportunity employer and does not discriminate on the basis of race, religion, color, national origin, sex including pregnancy and related medical conditions, sexual orientation, gender identity or expression, age, veteran status, disability, genetic information, political views, or any other characteristic protected by law.

• Submit a current resume and a clear description of your prior hands-on experience evaluating LLM or AI model outputs against rubrics or structured scoring criteria. Include examples, artifacts, or brief case descriptions if available.
• State your weekday availability and confirm you can commit at least 35 hours per week.
• Selected candidates will be reviewed for W-2 placement with Cincinnatus LLC and subsequent assignment to the client GenAI team.