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.

Location:

Southlake, TX / Austin, TX

We 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.

• 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 interoperability

• 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 experience

Experience with ZKPs, DeFi protocols, DID frameworks, tokenization, CBDCs, or policy‑driven transaction controls.