Remote Senior Mechanical Design Engineer — AI Model Training & Evaluation — LLM Alignment & Research

Are you a domain specialist skilled in Design intent & assembly reasoning, Parametric modeling depth, Mechanism & kinematic sense, GD&T & tolerance judgment? RemoteJob Staffing is seeking a remote Remote Senior Mechanical Design Engineer — AI Model Training & Evaluation — LLM Alignment & Research ($40 - $90/hour) to help train and validate frontier AI systems through structured problem authoring, rubric design, and analytical output auditing from anywhere in the US, UK, Canada, or Australia.

Day-to-Day Impact

• Review model-generated outputs, pinpoint breakdowns or inaccuracies in mechanical reasoning, and suggest targeted improvements.
• Flag ambiguous, trivial, or unanswerable questions, refining or sharpening them for clarity and precision.
• Thoroughly document edge cases and sources of disagreement within answers to maintain strict verifiability.
• Communicate findings and reasoning in clear, professional written and verbal form to support continuous project improvement.
• Demonstrated professional or academic background in Design intent & assembly reasoning, Parametric modeling depth, Mechanism & kinematic sense, GD&T & tolerance judgment, CAD tools expertise.
• Strong analytical reasoning and ability to articulate complex concepts clearly in written English.
• High attention to detail when reviewing technical or domain-specific documentation.

Essential Background & Expertise

• Background in at least one discipline: industrial machinery and automation, robotics, automotive and heavy equipment, aerospace and defense, medical devices, consumer products, or tooling and fixture design.
• Exceptional written English communication skills — your documentation directly influences project deliverables.
• Bonus: Experience with FreeCAD, advanced GD&T/tolerance analysis, or formal design review leadership.
• Compensation Band: $40 - $90/hour
• Work Location: Remote (100% Remote / Asynchronous Flexibility)
• Available Openings: 20 open positions
• Core Competencies: Design intent & assembly reasoning, Parametric modeling depth, Mechanism & kinematic sense, GD&T & tolerance judgment, CAD tools expertise

Rate & Flexible Work Terms

• Compensation Rate: $40 - $90/hour (contract specialist remuneration)
• Work Arrangement: 100% Remote / Work From Home
• Eligible Remote Countries: United States, United Kingdom, Canada, Australia, New Zealand, Ireland, and South Africa
• Core Competencies: Design intent & assembly reasoning, Parametric modeling depth, Mechanism & kinematic sense, GD&T & tolerance judgment, CAD tools expertise
• Hiring Agency: RemoteJob Staffing

Direct Application Process: Click the Apply button on this page to proceed directly to our partner application portal and submit your profile for immediate consideration.