Offchain

Senior Penetration Tester (AWS)

Offchain
Apply
over 1 year ago
Remote, United StatesSenior
H1B sponsor

Responsibilities

  • Conduct code audits across internal applications and infrastructure.
  • Perform penetration tests across AWS cloud environments, infrastructure, and backend applications.
  • Lead red team exercises and collaborate with detection engineering, threat intelligence, and incident response teams to improve security controls and detection coverage.
  • Build and maintain offensive security tools, scripts, and automation frameworks.
  • Provide offensive security expertise during incident investigations, including log analysis and root cause reviews.
  • Research evolving threats, vulnerabilities, and attack methods and share findings internally and with the security community.
  • Own offensive security projects from start to finish and mentor junior team members.

Requirements

  • At least 5 years of experience in offensive security, penetration testing, red teaming, or a closely related field.
  • Extensive experience conducting code audits to identify and remediate security issues.
  • Experience with binary exploitation and mastery of AWS attack techniques and configuration weaknesses.
  • Strong understanding of adversary tactics and frameworks such as MITRE ATT&CK.
  • In-depth knowledge of web application security, including OWASP Top 10, ASVS, and common vulnerability categories.
  • Proficiency with offensive security tools such as Burp Suite and nuclei.
  • Strong programming skills in Python, Go, or similar languages, including experience developing tools or automation.
  • Excellent written and verbal communication skills for presenting clear, risk-focused technical recommendations.
  • Preferred experience includes Web3 or blockchain security, smart contract auditing, bug bounty hunting, Ethereum L1/L2 node architecture, and blockchain infrastructure penetration testing.

Benefits

  • Remote-first global workforce with a New York office; the role cannot be performed in California or Colorado.
  • Professional reimbursement program for industry conferences, certifications, and related expenses.
  • Medical, dental, and vision coverage in the US and some other countries.
  • 401(k) retirement plan with company match for US employees.
  • Wellness stipend.
  • Home office setup and ergonomic equipment program.

Tech Stack

Categories

Offchain

About Offchain

51-200 employees
Contact me