Senior Cryptography Engineer — Remote MPC & Blockchain

Eliassen Group; Salem (OR); Remote; USD 117,000 - 129,000; Full time

Benefits offered by this job

Medical benefits

Dental benefits

Vision benefits

401k matching

Life insurance

Job summary

Eliassen Group is seeking a Sr. Engineer in Cryptography Engineering for a remote contract role. The team works on secure, scalable crypto infrastructure including MPC, secure enclaves, and backend services.

Experience with OpenSSL, MPC libraries, and SGX is valued. W2 options, competitive benefits for US contractors, and a focus on cryptography research-backed engineering are highlighted. The role emphasizes building secure software components, threat modeling, and integrating with blockchain

Qualifications

• Expertise in secure software development and cryptography engineering.
• Proficiency in Rust, Go, or C/C++ and secure coding against known classes of attacks.
• Hands-on experience with cryptographic protocols, key exchange, or signature schemes.

Responsibilities

• 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.

Skills

Rust

Go

C/C++

Secure coding

Cryptography

Education

Bachelor's degree

Tools

OpenSSL

MPC libraries

Intel SGX

Job description

Eliassen Group is seeking a Sr. Engineer in Cryptography Engineering for a remote contract role. The team works on secure, scalable crypto infrastructure including MPC, secure enclaves, and backend services.

Experience with OpenSSL, MPC libraries, and SGX is valued. W2 options, competitive benefits for US contractors, and a focus on cryptography research-backed engineering are highlighted. The role emphasizes building secure software components, threat modeling, and integrating with blockchain