Sr Staff Software Engineer, Security - Austin, Texas, United States
Originally posted 12 November 2025 by the employer.
About the role
As a member of the Security team, you will participate in developing and supporting Ambiq's TrustZone-based Trusted Execution Environment (TEE) offering for the Apollo and Atomiq SoC and emulation platforms. The position involves working closely with SoC and system architecture teams, security architects, and local SoC design teams to enable TrustZone functions across MCU families.
What you'll do
- Enable Trusted Execution Environments (TEE) support on Ambiq's TrustZone (ARM v8) enabled Apollo and Atomiq family of products. - Adapt reference ARM Trusted Firmware for Microcontrollers (TF-m) implementations to match Ambiq's TrustZone architecture. - Drive Secure Bootloader software updates, laying the foundation for TEE and implementing core elements required for TF-m. - Drive SDK infrastructure and architectural changes to support TF-m-enabled systems. - Support compliance efforts for security certifications including ARM PSA and SESIP. - Collaborate with Alpha customers, SQA, and System Test teams to test, verify, and define security test cases for comprehensive test coverage.
What you'll need
- Bachelor's or Master's degree in Electrical Engineering, Computer Engineering, or Computer Science. - 10+ years of experience developing embedded software for real-time environments (bare metal and RTOS). - 5+ years working on embedded security, cryptography, TrustZone, and secure boot. - Proven ability to port and support ARM Trusted Firmware for Microcontrollers (TF-m). - Deep understanding of IoT security concepts including TrustZone, Root of Trust, Secure Boot, and Secure Update. - Familiarity with ARM Platform Security Architecture (PSA), ARM TrustZone for microcontrollers, cryptographic algorithms/protocols, and ARM CryptoCell, alongside expertise in embedded C and assembly language for system initialization.
Skills: TrustZone, Trusted Execution Environment, secure boot, TF-m, embedded security
This role has been open 88 days — well above the 60-day median for Hardware Security Engineering roles.
Hardware Security Engineering · Hardware Security
|
Open roles in category
187
|
Median days open
60 d
|
Median salary
$220k
|
See the full market breakdown ▾Category comparison, skills in demand, and who else is hiring
| Metric | Ambiq Micro | All employers we track in this specialty (187 roles · 46 employers) |
|---|---|---|
| Open roles in this specialty | 1 | 187 |
| Median days open | 88 d | 60 d (+28 d vs this employer) |
| Median salary (USD postings) | — | $220k |
Skills observed across this category: TrustZone, Trusted Execution Environment, secure boot, TF-m, embedded security
Who's hiring in this category
- NVIDIA · 29 open roles · median 33 d
- NXP Semiconductors · 23 open roles · median 109 d
- Qualcomm · 17 open roles · median 123 d
- Arm Holdings · 13 open roles · median 103 d
- STMicroelectronics · 11 open roles · median 17 d
- AMD · 8 open roles · median 59 d
How we counted: 187 open Hardware Security Engineering (Hardware Security) roles from 46 employers tracked in the SemiconductorJobs index, counted 19 Oct 2026. Specialty figures count only roles carrying this exact specialty label, so an employer's related work in neighbouring specialties is not included there. Figures refresh nightly.