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Microsoft

# Principal Security Engineer

United States, California, Santa Clara Senior individual contributor Security 

Listed on Microsoft’s official careers site. Posted October 1, 2026. Check that it is still open and apply there.
[Apply on Microsoft’s careers site →](https://apply.careers.microsoft.com/careers/job/1970393556937162)

[OpenNash Jobs](https://jobs.opennash.com/) / [Microsoft](https://jobs.opennash.com/companies/microsoft/) / Principal Security Engineer

## Job description

Design and Implement cryptographically secure flows for boot, certification, attestation and manufacturing. Participate in the transition from classical cryptography to emerging Post-Quantum Cryptography algorithms.
- Drive evolution of the design and architecture of the DPU's Secure Enclave, for both boot and runtime services
- Collaborate with other engineers ensure the successful execution of projects, to seamlessly integrate the DPU in the Azure ecosystem
- Identify and promote opportunities for design and/or improvements to enhance technical designs, efficiency and productivity within the team Bachelor's Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience.
- Bachelor's degree in Computer Science or related technical field and 6+ years technical experience coding in languages including, but not limited to, C, C++, Python, Rust and JavaScript 4+ years' experience in embedded software development and system design
- 3+ years developing crypto libraries: Symmetric, asymmetric, hashing, Public-key Cryptography Standards
- 4+ years working with cryptographic tools such as openssl, Mbed TLS, or SymCrypt.

Recent knowledge of post-quantum cryptography techniques Experience developing Boot ROM code 3+ years of experience developing secure enclave software 3+ years of experience in SW / HW interfaces, simulations, and systems bring-up

## At a glance
- Posted by the employer: Oct 1, 2026
- First seen by OpenNash: Jul 17, 2026
- Last checked: Oct 18, 2026
- Listed for: 93 days
- Location: United States, California, Santa Clara[Apply on Microsoft’s careers site →](https://apply.careers.microsoft.com/careers/job/1970393556937162)

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