Cybersecurity Expert - Short-Term Contract (Remote)

Crossing Hurdles is seeking a highly skilled Cybersecurity Expert for a short-term contract position. This remote role requires a commitment of 8 hours per day, with 4 hours of overlap with PST. The contract duration is 1 month, with an immediate start date.

Role Responsibilities:

• Design and develop multi-vulnerability codebases in Go, Python, Node.js, or Rust.
• Create realistic multi-stage attack chain scenarios.
• Build deterministic evaluation frameworks using containerized environments.
• Write security test cases and exploit checks.
• Analyze AI model outputs and reasoning related to security vulnerabilities.
• Craft adversarial security scenarios with obfuscated code and edge-case logic.
• Develop reproducible and scalable evaluation benchmarks for AI systems.

Requirements:

• 4+ years of experience in cybersecurity, application security, or vulnerability research.
• Hands-on experience with vulnerability discovery, bug bounty, red teaming, or Capture The Flag (CTF) events.
• Experience with secure code review and production-grade patching.
• Strong understanding of web security, Server-Side Request Forgery (SSRF), injection attacks, cryptographic vulnerabilities, and filesystem vulnerabilities.
• Experience with security tools such as Static Application Security Testing (SAST), fuzzing, or Interactive Application Security Testing (IAST).
• Proficiency in at least two of the following languages: Go, Python, Node.js, Rust.
• Familiarity with Docker, Linux internals, and automated testing frameworks.

Application Process:

Interested candidates should apply via 'Easy Apply' and monitor their email for an application form. Successful applicants will be invited to complete a Google form and an online task. Assessments must be completed within the shared timeline.

Desired Skills: Python, Node.js, Cybersecurity, Fuzzing.