Senior Security/PKI Engineer — Embedded & IoT Security

At Blautech, we’re looking for a Senior Security/PKI Engineer to design and implement digital trust, cryptographic key protection, and device security for embedded and IoT solutions.
Your responsibilities
Design and implement PKI and device identity solutions.
Manage certificate issuance, provisioning, renewal, revocation, and expiration monitoring.
Implement secure cryptographic key lifecycle processes, including generation, storage, rotation, and destruction.
Integrate Hardware Security Modules (HSMs) and Trusted Platform Modules (TPMs).
Implement secure boot, firmware signing, and integrity verification.
Design or integrate IoT SAFE capabilities.
Support secure device communications using TLS and mutual TLS.
Design solutions aligned with applicable FIPS requirements and assess the use of validated cryptographic modules.
Perform threat modeling and security architecture reviews.
Collaborate with hardware, firmware, software, and operations teams.
What we’re looking for
Proven hands-on experience in security engineering, PKI, and applied cryptography.
Strong knowledge of X.509 certificates, certificate authorities, and trust chains.
Practical experience with HSMs and cryptographic key lifecycle management.
Experience implementing secure boot and TPM-based security.
Hands-on experience with embedded or IoT device security and IoT SAFE.
Understanding of FIPS requirements and cryptographic module validation.
Linux and scripting skills for security automation.
Strong analytical skills, technical ownership, and clear documentation.
Work arrangement
Remote, for candidates based in Latin America.
Fully English-speaking work environment; professional fluency in spoken and written English is required.
Availability to work aligned with U.S. Central Time (CT), following seasonal changes: CDT (UTC-5) during daylight saving time and CST (UTC-6) during standard time.
To apply, please send your CV in English to lisdy.hernandez@blautech.com. Include the job title and your gross monthly salary expectation in USD in the email subject line.
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Work arrangement
Yes