Senior Research Engineer, Embedded Security Software

We are seeking a highly motivated and technically qualified Senior Research Engineer, Embedded Software. In this role, you will lead the security implementation for our next-generation O-RAN Radio Unit (O-RU). You will work closely with the BSP and Hardware teams to implement the Root of Trust (RoT), secure the boot chain, and harden the Linux OS. This is a lab-based role requiring physical access to Hardware for security provisioning (fuse burning), key management, and testing.

Job Type: Full Time

Job Location: Plano, TX

Travel: Up to 20% as required

Benefits: Medical, Dental, Life Insurance, Vacation/Holiday/Sick Time, 401k

Reporting to the Vice President of R&D, this position is a key contributor to SOLiD's continued growth and success. Duties will include the following:

• Secure Boot Implementation: Implement and validate the Secure Boot chain (BootROM → U-Boot → Linux Kernel) using hardware Root of Trust.
• TPM Integration: Integrate TPM 2.0 module for key storage and platform attestation; develop drivers and userspace tools for TPM management.
• Network Security: Implement secure network protocols including TLS 1.2/1.3, SSH, and EAP-TLS (802.1x) for O-RAN Fronthaul interface.
• OS Hardening: Harden the embedded Linux system (Buildroot/Yocto) by configuring permissions, removing unnecessary services, and implementing secure storage solutions.
• Crypto Implementation: Manage PKI certificates and integrate OpenSSL/mbed
  
  TLS libraries for M-plane connectivity.

• Experience with ARM Trust Zone or OP-TEE.
• Understanding of O-RAN security specifications (WG11).

• Bachelor’s degree (in EE/CE/CS) with 5+ years of related experience or master’s degree (in EE/CE/CS) with 3+ years of experience in telecommunications, or related field
• Experience: 5+ years of embedded security or systems engineering experience.
• Technical
  
  Skills:
  
  
• Hands-on experience with Secure Boot flows (signing images, burning fuses) on ARM-based
  SoCs.
• Experience with TPM (Trusted Platform Module) integration and TCG standards.
• Strong knowledge of cryptographic primitives (RSA, ECC, AES, SHA) and PKI (Certificates, CA).
• Proficiency in C programming and Linux kernel/driver security features.
• Familiarity with network security protocols (EAP, TLS, IPsec).
• On-site Requirement: Critical requirement to work on-site for hardware provisioning,
  fuse programming, and JTAG debugging.

SOLiD is An Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age or any other federally protected class.