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STR is hiring an Embedded Systems Emulation Engineer to join our multidisciplinary team of researchers and engineers developing cutting-edge technologies with significant and immediate impact on our national security. In this role, you will work at the intersection of computer systems and real-world physical systems, building the tools and models that emulate complex cyber-physical platforms to enable analysis, reverse engineering, and experimentation.
We believe every employee brings a unique set of skills, experiences, and perspectives that are essential to providing innovative solutions for our customers. You do not need to have experience with every technology listed to be successful in this role. Strong fundamentals, curiosity, and the ability to learn new tools and domains are highly valued.
What you will do:

• Work as part of a small, focused team to architect, develop, implement, and test modular software applications and tools for emulating cyber-physical systems.
• Extend and customize existing emulation frameworks (e.g., QEMU) in C/C++ and Python to support new targets, peripherals, and capabilities.
• Rehost unknown or sparsely documented firmware by analyzing binaries, identifying hardware dependencies, and adapting these to run correctly in emulated environments.
• Develop emulator tooling and virtual device models to support reverse engineering and analysis of embedded systems across diverse architectures (e.g., ARM, PPC).
• Develop digital models using virtualization tools (e.g., QEMU) and network them together to create integrated, end-to-end system simulations that closely approximate real hardware behavior.
• Ensure model quality and correctness through unit-level and system-level testing, and by validating behavior against first principles, measured data, documentation, and hardware/software artifacts.
• Communicate technical foundations of models and algorithms through reports and briefings

Who you are:

• This position requires an Active Secret security clearance with eligibility for Top Secret (TS) clearance, for which U.S. citizenship is needed by U.S. Government.
• Proficiency in C/C++ for systems-level or embedded software development
• Proficiency in Python for tool development, automation, and integration
• Familiarity with emulation and virtualization tools (e.g., QEMU or similar frameworks)
• Strong understanding of computer architecture, emulation principles, and software engineering best practices (e.g., modular design, testing, code review)
• Experience using collaborative source code management (e.g., Git)

Education:

• BS in Computer Engineering, Computers Science, Electrical Engineering or related field

Nice to have:

• Active Top Secret (TS) Security Clearance
• Familiarity with network architecture and protocols, and experience integrating networked simulations
• Experience with low-level software modifications (e.g., implants, firmware changes, binary patch development)
• Experience at the software/hardware interface, including device drivers or real-time/embedded operating systems
• Experience with reverse engineering and firmware rehosting for embedded systems, including analysis of instruction set architectures (e.g., ARM, PPC) and use of tools such as Ghidra, IDA Pro, or Binary Ninja
• Experience implementing component models (e.g., sensors, actuators, dynamics, environmental factors) in Python and/or C/C++, and integrate them into system-level simulations and software processing chains
• Experience working with hardware components and interfaces
• Masters or PhD in related field

Pay Information
Full-Time Salary Range: $110,000 - $151,000
The salary range listed is based on external market data. Offers are based on factors, such as but not limited to, the candidate's experience, education, training, key skills/critical skills, security clearances, and prevailing market and business conditions.
STR is a growing technology company with locations near Boston, MA, Arlington, VA, near Dayton, OH, Melbourne, FL, and Carlsbad, CA. We specialize in advanced research and development for defense, intelligence, and national security in: cyber; next generation sensors, radar, sonar, communications, and electronic warfare; and artificial intelligence algorithms and analytics to make sense of the complexity that is exploding around us.
STR is committed to creating a collaborative learning environment that supports deep technical understanding and recognizes the contributions and achievements of all team members. Our work is challenging, and we go home at night knowing that we pushed the envelope of technology and made the world safer.
STR is not just any company. Our people, culture, and attitude along with their unique set of skills, experiences, and perspectives put us on a trajectory to change the world. We can't do it alone, though - we need fellow trailblazers. If you are one, join our team and help to keep our society safe! Visit us at www.str.us for more info.
STR is an equal opportunity employer. We are fully dedicated to hiring the most qualified candidate regardless of race, color, religion, sex (including gender identity, sexual orientation and pregnancy), marital status, national origin, age, veteran status, disability, genetic information or any other characteristic protected by federal, state or local laws.
If you need a reasonable accommodation for any portion of the employment process, email us at appassist@str.us and provide your contact info.
Pursuant to applicable federal law and regulations, positions at STR require employees to obtain national security clearances and satisfy the requirements for compliance with export control and other applicable laws.