Senior Embedded Software Engineer – Real-Time Linux & DMA

Xenon Innovations, Inc.; Fairfax (VA); On-site; USD 135,000 - 280,000; Full time

Job summary

Xenon Innovations, Inc. is seeking an experienced embedded software engineer to design platform software that moves high-rate data from RF front ends to downstream systems on Linux and RTOS targets.

You will write kernel and userspace drivers, implement DMA management, and ensure reliability with fault tolerance, remote diagnostics, and safe update mechanisms. TS/SCI clearance is required.

Qualifications

• BS in Computer Science, Computer Engineering, Electrical Engineering, or related
• 5+ years developing embedded C/C++ on Linux or RTOS platforms
• Direct experience with DMA, interrupt-driven I/O, and high-rate streaming data
• Working knowledge of build systems, cross-compilation, and embedded toolchains
• Demonstrated experience debugging problems that only appear on target hardware
• Ability to obtain a TS/SCI clearance

Responsibilities

• Develop embedded C/C++ applications on Linux and RTOS targets
• Implement control and configuration paths for RF front ends, digitizers, and FPGA subsystems
• Build the data movement layer for high-rate streaming data
• Write and maintain kernel drivers, userspace drivers, and hardware abstraction layers
• Design health monitoring, watchdog, and fault recovery into the system
• Profile and tune for latency, jitter, throughput, and memory footprint

Skills

Embedded C/C++

Linux/RTOS

DMA

Interrupt handling

Kernel drivers

Cross-compilation

Build systems

Target hardware debugging

Education

BS in Computer Science/Engineering

Tools

Yocto

Buildroot

Embedded toolchains

PREEMPT_RT

ActiveMQ

DDS/ZeroMQ

Zynq/RFSoC

Job description

Xenon Innovations, Inc. is seeking an experienced embedded software engineer to design platform software that moves high-rate data from RF front ends to downstream systems on Linux and RTOS targets.

You will write kernel and userspace drivers, implement DMA management, and ensure reliability with fault tolerance, remote diagnostics, and safe update mechanisms. TS/SCI clearance is required.