Blockchain Security Engineer

Amazech is an enterprise technology company with 18 years of experience delivering intelligent solutions across AI, cloud, data, and software engineering. Trusted by 50+ enterprises nationwide, we partner with organizations to solve complex technology challenges — across industries such as finance, healthcare, manufacturing, and beyond. Twice recognized on the INC 5000, Amazech is where deep expertise meets modern intelligence. We are seeking a Blockchain Security Engineer to work in Southlake, TX / Austin, TXWe are seeking a highly experienced, hands-on Security Engineer to design and secure institutional-grade digital asset custody platforms. This is a deeply technical engineering role for someone with direct experience in digital assets, secure wallet technologies, cryptography, and key management. What You’ll Work On• MPC, HSM, cold, warm, and hot wallet architectures• Distributed key generation and signing workflows• Cryptographic protocols and secure key lifecycle management• Digital asset custody and transaction security• Smart contract and DeFi security• Blockchain and cross-chain interoperabilityIdeal Background• Software engineering experience with a strong security or cryptography focus• Hands-on experience with MPC, HSMs, secure wallets, or digital asset custody• Strong understanding of cryptographic primitives, secure protocols, and distributed systems• Experience building security-critical production systems• Strong digital asset, blockchain infrastructure, or crypto custody experienceHardware SecurityExperience with ZKPs, DeFi protocols, DID frameworks, tokenization, CBDCs, or policy-driven transaction controls.