Embedded Electrical Engineer for DoD Sensing Systems (Remote/Hybrid)

Obsidian Solutions Group; Fredericksburg (VA); Hybrid; USD 90,000 - 140,000; Full time

Job summary

Obsidian Solutions Group in Fredericksburg, VA is seeking an Electrical Engineer to support the SensXR system, a modular, multi-threat detection platform used in DoD applications.

You will design, simulate, and validate embedded hardware, optimize power, interface sensors, and prototype rugged electronics for field testing, working with a multidisciplinary team.

This hybrid role includes on-site prototyping, lab work, and up to 15% travel to field exercises.

Qualifications

• B.S. or higher in Electrical Engineering, Mechatronics, or related discipline.
• 3+ years of circuit design, embedded systems, and power systems.
• Proficiency in MATLAB/Simulink, Altium Designer, and PSpice or equivalent EDA tools.
• Experience designing for low-SWaP embedded systems and ruggedized field electronics.
• Familiarity with microcontrollers and embedded programming.
• Experience with RF modules, antenna integration, and board-level debugging.
• Strong technical writing skills for engineering documentation and reports.
• Ability to collaborate effectively in a multidisciplinary team environment.

Responsibilities

• Design, simulate, and validate electronic subsystems for gas, radiation, GPS, and compute modules.
• Interface analog and digital sensors with embedded processors, while ensuring EMI/EMC compliance and environmental durability.
• Develop and optimize low-power battery-operated systems using both internal and external configurations.
• Integrate and optimize communication modules. Develop and simulate custom PCB designs for embedded applications.
• Utilize MATLAB/Simulink for algorithm prototyping and system-level simulation; use SPICE tools for circuit analysis.
• Support iterative development of compact and ruggedized electronics for field deployment; collaborate with mechanical engineers.
• Assist in electrical interface between SensXR modules and AR devices via USB-C or wireless systems.
• Gather and analyze sensor logs, power draw, and communication fidelity during field tests; document procedures.
• Produce detailed design documentation, test procedures, wiring schematics, and SOPs.

Skills

Circuit design

Embedded systems

Power systems

MATLAB/Simulink

Altium Designer

PSpice

RF modules

Board debugging

Technical writing

Team collaboration

Education

B.S. in Electrical Engineering or Mechatronics

Tools

Altium Designer

MATLAB/Simulink

PSpice

Job description

Obsidian Solutions Group in Fredericksburg, VA is seeking an Electrical Engineer to support the SensXR system, a modular, multi-threat detection platform used in DoD applications.

You will design, simulate, and validate embedded hardware, optimize power, interface sensors, and prototype rugged electronics for field testing, working with a multidisciplinary team.

This hybrid role includes on-site prototyping, lab work, and up to 15% travel to field exercises.