Remote Security Engineer: Cryptanalysis & Reverse Eng

OpenTrain AI, Inc.; United States; Remote; USD 158,000 - 214,000; Part time

Job summary

OpenTrain AI, Inc. is seeking a Security Engineer to evaluate AI-generated solutions to cryptanalysis and reverse engineering problems. This remote contract role pays $135 per hour and requires 20+ hours per week, offering flexible, asynchronous work.

The candidate will design security problem sets, craft reference solutions, and provide structured feedback to improve AI systems. Strong writing and security expertise are essential for success.

Qualifications

• Hands-on cryptanalysis or reverse engineering exposure in security.
• 6–10 years of relevant security experience.
• Bachelor’s degree required; master's preferred.
• Strong written communication for technical feedback.
• Experience with security publications, OSS, peer review, or CTFs is helpful.

Responsibilities

• Design technical problem sets focused on cryptanalysis and reverse engineering.
• Write expert reference solutions and rubrics based on security best practices.
• Rate AI-generated outputs for correctness, depth, and sound technical judgment.
• Provide structured feedback and clear explanations to support model improvement.

Skills

Cryptanalysis

Reverse engineering

Security evaluation

Technical writing

Education

Bachelor's degree

Master's degree preferred

Job description

OpenTrain AI, Inc. is seeking a Security Engineer to evaluate AI-generated solutions to cryptanalysis and reverse engineering problems. This remote contract role pays $135 per hour and requires 20+ hours per week, offering flexible, asynchronous work.

The candidate will design security problem sets, craft reference solutions, and provide structured feedback to improve AI systems. Strong writing and security expertise are essential for success.