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Senior Security Engineer (Offensive Security) - Offchain

offchain • Singapore
Full Remote
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Lead penetration testing, red teaming, and code audits to secure Offchain’s blockchain infrastructure and ecosystem tools. Collaborate with blue teams to enhance detection and response. Requires 5+ years in offensive security, AWS expertise, and programming skills (Python/Go).

Key Highlights
Conduct hands-on penetration tests and red team exercises across cloud and backend systems.
Collaborate with blue teams to refine detection and response capabilities for SOC 2 compliance.
Develop offensive security tools and mentor junior team members.
Key Responsibilities
Conduct code audits and penetration tests across AWS, infrastructure, and backend applications.
Collaborate with detection engineering and incident response teams to enhance security controls.
Develop offensive security tools, scripts, and automation frameworks.
Technical Skills Required
Offensive Security (Penetration Testing/Red Teaming) AWS Security Python/Go Programming
Benefits & Perks
Remote-first global workforce with NY office
Professional reimbursement for conferences/certifications
Medical, dental, and vision coverage (US + select countries)
Nice to Have
Web3/blockchain security experience (e.g., smart contract auditing, bug bounty hunting).
Ethereum L1/L2 node architecture and blockchain infrastructure penetration testing knowledge.

Job Description

At Offchain, we’re pioneers in blockchain scalability and security, shaping the future of decentralized applications. As a Senior Security Engineer, you’ll emulate adversary tactics to identify vulnerabilities across our infrastructure and tools, conduct penetration tests, and refine security controls.

Your role involves:

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