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HSM/Crypto Custody Engineer

Job

MphasiS Corporation USA

Dallas, TX (In Person)

Full-Time

Posted 1 week ago (Updated 1 week ago) • Actively hiring

Expires 7/11/2026

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Job Description

HSM/Crypto Custody Engineer San Francisco/Austin/Dallas Fulltime $120K HSM/Crypto Custody Engineer with hands-on experience in building and operating HSM-backed signing infrastructure for self-custody platforms. Experience in crypto exchanges or institutional custody is required. Years of experience needed 5+ years
Technical Skills:
Primary Skills:
HSM Platforms:
Thales Luna, AWS CloudHSM, Utimaco, Ledger Enterprise Protocols:
PKCS#11,
JCE/JCA, REST/gRPC Key Management:
BIP32/44,
MPC, Shamir Secret Sharing Cryptography:
ECDSA (secp256k1), EdDSA, threshold signatures
Architecture:
HSM clustering, geo-redundancy, quorum controls
ATS Integration:
Low-latency signing, high throughput
Compliance:
FIPS 140-2
Level 3, SOC 2
Type II Custody:
Key ceremonies, cold/warm/hot wallets Agile methodology AI/Automation skills
Secondary Skills:
Cloud Platforms (AWS, Google Cloud Platform)
Key Responsibilities HSM Engineering:
Build and operate secure key management and signing systems
Transaction Signing:
Ensure low-latency, high-throughput processing
Key Management:
Secure key generation, storage, and lifecycle
Architecture:
Design resilient, geo-redundant HSM solutions
Custody Platform:
Implement wallet and custody architecture
Security & Compliance:
Adhere to FIPS and SOC standards
Risk Management:
Prevent key compromise and failure scenarios
Collaboration:
Work with ATS and architecture teams
Problem Solving:
Troubleshoot performance and cryptographic issues
Mentorship:
Guide team members