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Security Engineer - OpenSSL or MPC- Blockchain nodes/APIs - Intel SGX

Syncreon Consulting New York, NY

New York, NY

Today

Full time Blockchain Cloud Platforms Cryptography

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Job Description

Syncreon Consulting is seeking a Security Engineer who specializes in OpenSSL or MPC for blockchain nodes and APIs, with hands on Intel SGX experience. The role emphasizes secure software development and cryptography, requiring fluency in secure coding with C/C++, Go, or Rust, plus deep familiarity with cryptographic libraries, MPC frameworks, and threat modeling around blockchain transactions. This onsite position is based in New York, NY.

Requirements

Expertise in secure software development
Expertise in cryptography engineering
Proficiency in secure coding practices in C/C++, Go, or Rust
Experience using or auditing cryptographic libraries (OpenSSL or MPC-specific libraries)
Familiarity with hardware security features (Intel SGX and HSMs)
Comfort working with MPC or cryptographic frameworks used for crypto custody solutions
Strong threat modeling skills to anticipate and mitigate attack vectors (e.g., MITM during MPC rounds, malicious client apps)
Experience with cryptographic protocols (implementation or auditing of key exchange or signature schemes)
Knowledge of common security pitfalls (weak RNG, improper error handling leaking information)
Experience integrating with blockchain nodes and APIs
Understanding of blockchain transaction formats (Bitcoin UTXOs, Ethereum RLP)
Ability to parse and create transactions for signing
Knowledge of secure storage and databases
Familiarity with cloud security to avoid misconfigurations
Familiarity with containerization for deployment
Experience with Trusted Execution Environments including remote attestation (eg Intel SGX)

Technologies

C, C++, Go, Rust
OpenSSL and MPC-specific cryptographic libraries
Intel SGX and related hardware security features, HSMs
Blockchain nodes and APIs
Bitcoin UTXOs and Ethereum RLP formats
Secure storage and databases
Cloud security practices
Containerization for deployment
Remote attestation and Trusted Execution Environment concepts

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