Senior Cryptography Engineer (Remote Contract)

Eliassen Group; Columbia (SC); Remote; USD 117.000 - 129.000; Teilzeit

Zusammenfassung

Eliassen Group is seeking a Sr. Engineer, Cryptography Engineering for a remote, contract role. You will design secure crypto custody components, leverage MPC, and work with Rust/Go/C/C++ to implement cryptographic routines and integrate with blockchain networks.

The position requires expertise in cryptography and secure development, with experience in TEEs like Intel SGX and OpenSSL/MPC libraries. Competitive hourly W2/corp-to-corp options are available.

Qualifikationen

• Expertise in secure software development and cryptography engineering.
• Proficiency in Rust, Go, or C/C++ with secure coding practices.
• Hands-on experience with cryptographic protocols, key exchange, or signature schemes.
• Familiarity with entropy quality and information leakage via error handling.

Aufgaben

• Design and implement secure software components for a crypto custody wallet based on MPC.
• Apply threat modeling to anticipate and mitigate attack vectors including side-channel and MITM during MPC rounds.
• Implement and review cryptographic code in Rust, Go, or C/C++ with secure coding practices.
• Audit and integrate cryptographic libraries such as OpenSSL and MPC-specific frameworks.
• Leverage hardware security features including Intel SGX and HSMs, including remote attestation.
• Integrate with blockchain nodes and APIs to assemble and broadcast transactions across networks.
• Parse and construct blockchain transactions, including Bitcoin UTXOs and Ethereum RLP.
• Design secure storage for encrypted key shares and audit logs, and implement robust database practices.
• Build reliable networking, RPC, and concurrency controls for orchestrating multi-party signing.
• Contribute to cloud security and containerized deployments to avoid misconfigurations.

Kenntnisse

Secure software development

Cryptography engineering

Rust/Go/C/C++

Cryptographic protocols

Blockchain integration

Secure storage patterns

Cloud security & containerization

Remote attestation / TEEs

Ausbildung

Bachelor's degree

Tools

OpenSSL

MPC libraries

Intel SGX

HSMs

Jobbeschreibung

Eliassen Group is seeking a Sr. Engineer, Cryptography Engineering for a remote, contract role. You will design secure crypto custody components, leverage MPC, and work with Rust/Go/C/C++ to implement cryptographic routines and integrate with blockchain networks.

The position requires expertise in cryptography and secure development, with experience in TEEs like Intel SGX and OpenSSL/MPC libraries. Competitive hourly W2/corp-to-corp options are available.