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Castelion · 12 hours ago

Embedded Software Engineer

Allen, TX

Full-time

Onsite

Mid Level

$100K/yr - $150K/yr

4+ years exp

Castelion is a company focused on innovative defense development and production, aiming to enhance America's and its Allies' capabilities. They are looking for an Embedded Software Engineer to design, implement, and secure software for mission-critical systems while collaborating with cross-functional teams to ensure reliability and performance.

AerospaceGovernmentManufacturingMilitaryNational Security

No H1B

U.S. Citizen Only

Hiring Manager

Nicholas Sparks

Responsibilities

Design and implement embedded applications, device drivers, and board support packages in C and Rust

Optimize and parallelize compute-intensive algorithms using CUDA on embedded GPUs

Bring up new boards: bootloaders, secure boot chains, peripheral initialization, and diagnostics

Implement and validate cryptographic protection using TPMs

Integrate sensors, comms links, and high-rate data paths, profile and tune for latency and throughput

Develop automated HW-in-the-loop tests; script board flashing, provisioning, and regression suites

Use JTAG, logic analyzers, oscilloscopes, and trace tools to debug hard problems

Instrument systems for performance and reliability; feed data to Grafana/Foxglove for analysis

Partner with cross functional teams to isolate issues quickly in lab and field environments

Document designs, decisions, and interfaces clearly for internal and external stakeholders

Qualification

Embedded software developmentC programmingRust programmingCUDA developmentCryptographyARM-based SoCsLinux internalsGit/GitHub workflowsZephyrFreeRTOSDSP knowledgeCloud servicesClear communicationCreative problem solving