Electrical Engineer – SensXR Development and Integration

Obsidian Solutions Group LLC-posted 4 months ago
Full-time • Mid Level
Fredericksburg, VA
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Obsidian Solutions Group is seeking a skilled Electrical Engineer to support the continued development, integration, and field testing of the SensXR system—a modular, multi-threat detection platform. This engineer will contribute to the full lifecycle of embedded hardware, including circuit design, signal conditioning, sensor interfacing, and power optimization. The ideal candidate will be proficient in simulation and modeling tools to support iterative prototyping and rigorous system validation in support of DoD CBRNE applications.

  • 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.
  • Implement efficient power regulation and battery management systems for wearable platforms.
  • 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 PSpice or equivalent SPICE tools for transient and steady-state circuit analysis.
  • Employ Altium Designer for schematic capture and multilayer PCB layout.
  • Support iterative development of compact and ruggedized electronics suitable for tactical field deployment.
  • Collaborate with mechanical engineers to ensure enclosure and cable routing compatibility.
  • Assist in the electrical interface between the SensXR modules and AR devices via USB-C, power-over-cable, or wireless systems.
  • Participate in field exercises to validate system performance under real-world stressors including temperature, humidity, and vibration.
  • Gather and analyze sensor logs, power draw, and communication fidelity.
  • Produce detailed design documentation, test procedures, wiring schematics, and SOPs.
  • B.S. or higher in Electrical Engineering, Mechatronics, or related discipline.
  • 3+ years of experience in 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.
  • Familiarity with AI/ML edge processing (e.g., ESP32, NVIDIA Jetson Nano, Google Coral).
  • Understanding of GPS-RTK and IMU/dead reckoning integration.
  • Prior exposure to head-mounted display systems or wearable electronics design.
  • Hands-on experience with PCB manufacturing and hardware bring-up.
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