Senior Embedded Systems Architect – Real‑Time RF

CACI International Inc.; Herndon (VA); On-site; USD 94,000 - 198,000; Full time

Job summary

CAC I International Inc. is seeking a Senior Software Engineer to design distributed software architectures for embedded RF systems.

Responsibilities include creating high‑performance C++ frameworks for inter‑processor communication and defining software interfaces across x86, ARM, and FPGA domains. You will document architecture decisions with UML diagrams and sequence charts and collaborate with FPGA and signal processing teams to optimize data pipelines.

Qualifications

• 5–7+ years in embedded systems or high‑performance computing on Linux
• BS or MS in Computer Science, Software Engineering, Electrical or Computer Engineering, or related field
• Strong proficiency in C++ for embedded real‑time systems, including concurrency and memory management
• Experience designing software architectures and documenting diagrams/architecture specifications
• Experience with multi‑threaded development and debugging race conditions in inter‑processor and microservice architectures
• Familiarity with modern build systems and DevOps tools (Conan, Docker, GitLab or similar)
• Experience with performance analysis and debugging tools (VTune, perf, gdb, valgrind)

Responsibilities

• Design distributed software architectures across x86, ARM, and FPGA domains with real‑time RF processing
• Develop high‑performance C++ frameworks for inter‑processor communication
• Create technical docs: sequence charts, UML diagrams, architecture specs for distributed teams
• Design microservice architectures for x86 and ARM while balancing modularity and resource use
• Profile and optimize for memory‑bound and compute‑bound workloads using VTune and related tools
• Collaborate with signal processing engineers to shape data pipelines for RF samples
• Develop C++/Python test harnesses and unit tests to validate behavior and edge cases
• Integrate CI/CD, containerization, and build automation into workflows
• Coordinate with FPGA engineers to align hardware/software interfaces

Skills

C++ development

embedded real‑time systems

multi-threading

DevOps tools (Conan, Docker, GitLab)

performance analysis (VTune)

Education

BS or MS in CS/Software Engineering/EE/CE

Tools

Conan

Docker

GitLab

VTune

Job description

CAC I International Inc. is seeking a Senior Software Engineer to design distributed software architectures for embedded RF systems.

Responsibilities include creating high‑performance C++ frameworks for inter‑processor communication and defining software interfaces across x86, ARM, and FPGA domains. You will document architecture decisions with UML diagrams and sequence charts and collaborate with FPGA and signal processing teams to optimize data pipelines.