Senior Embedded SW Engineer: CUDA, Secure Boot & RTOS

Castelion; Allen (TX); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Stock incentives

Medical, vision, and dental insurance

Paid time off

Job summary

Castelion seeks a Senior Embedded Software Engineer to architect, implement, and harden software running on resource-constrained, mission-critical systems. You’ll write low-level C and Rust, accelerate workloads with CUDA, and own secure processing paths from concept through field test, collaborating with electrical, systems, and test teams to bring new hardware online fast and reliable.

You will lead embedded firmware development, system integration, and automated testing while ensuring secure

Qualifications

• 5+ years professional embedded software experience.
• Strong proficiency in C and production Rust.
• Hands-on CUDA development on embedded GPUs.
• Experience with ARM-based SoCs and peripherals.
• Security-focused code such as secure boot and crypto.

Responsibilities

• Design and implement embedded applications and drivers.
• Bring up new hardware, boot chains, and diagnostics.
• Integrate sensors and high-rate data paths; optimize latency.
• Develop HW-in-the-loop tests and CI/CD workflows.

Skills

C

Rust

CUDA

Linux internals

ARM SoCs

cryptography

Git/GitHub

CI/CD

Education

Bachelor's degree in Computer Science or Electrical Engineering

Tools

JTAG

Logic analyzers

Oscilloscopes

Trace tools

Job description

Castelion seeks a Senior Embedded Software Engineer to architect, implement, and harden software running on resource-constrained, mission-critical systems. You’ll write low-level C and Rust, accelerate workloads with CUDA, and own secure processing paths from concept through field test, collaborating with electrical, systems, and test teams to bring new hardware online fast and reliable.

You will lead embedded firmware development, system integration, and automated testing while ensuring secure