Remote Cryptography Engineer - MPC & Blockchain Custody

Eliassen Group; Juneau (AK); Remote; USD 117,000 - 129,000; Full time

Job summary

Senior Engineer, Cryptography Engineering at Eliassen Group is responsible for building secure, scalable infrastructure for institutional digital finance. The role focuses on security engineering, cryptography, blockchain, and MPC-based custody solutions with remote work options.

Compensation ranges from $85 to $94 per hour on a W2 basis, with benefits included for eligible consultants. The position emphasizes designing secure software components, auditing cryptographic libraries, and leveraging

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

Education

Bachelor's degree

Tools

OpenSSL

MPC libraries

Intel SGX

HSMs

Job description

Senior Engineer, Cryptography Engineering at Eliassen Group is responsible for building secure, scalable infrastructure for institutional digital finance. The role focuses on security engineering, cryptography, blockchain, and MPC-based custody solutions with remote work options.

Compensation ranges from $85 to $94 per hour on a W2 basis, with benefits included for eligible consultants. The position emphasizes designing secure software components, auditing cryptographic libraries, and leveraging