HIL / SIL Technical Specialist

HIL/SIL Technical Specialist

Location: Sterling Heights, MI

Position Overview

The HIL/SIL Technical Specialist will be responsible for the development, integration, and maintenance of Hardware-in-the-Loop (HIL) and Software-in-the-Loop (SIL) test systems supporting advanced vehicle programs. This role focuses on real-time simulation, signal conditioning, test automation, and system-level validation of embedded hardware and software.

The position requires strong electrical engineering fundamentals, experience with embedded systems, and hands-on integration and testing expertise across complex military vehicle architectures.

Key Responsibilities

HIL/SIL System Development

• Develop and maintain HIL/SIL test systems

• Simulate synthetic driving environments (terrain, weather, lighting, position, obstacles, etc.)

• Implement real-time physics-based plant simulations

• Design and support signal conditioning and fault injection capabilities

• Develop and support test automation executables

• Configure and support data acquisition (DAQ) systems for:

  • CAN

  • Ethernet

  • MIL-STD-1553

  • RS-422

  • SSI

  • Discrete analog and digital signals

• Integrate and support third-party tools

Electrical / Electronic Engineering

Digital Circuit Design

• Signal conditioning

• Encoders and counters

• Sinking/sourcing I/O

• Impedance matching

• A/D and D/A systems

• Digital filters (IIR, LP, HP, BP)

• Control logic design

• Power design

• Optical and galvanic isolation

Analog Circuit Design

• Analog signal conditioning

• Filter design and response

• Nyquist sampling theory

• Alias mitigation

• Resolver circuits

• LVDT circuits

• Thermocouple circuits

Serial Interface Design

• RS232

• RS422/485

• CAN

• MIL-STD-1553B

• Ethernet

• SPI

• I2C

• SSI

• Transceivers

FPGA Development

• Sensor emulation

• Digital filters

• Serial devices

• High-speed logic control

Microcontrollers

• Custom embedded microcontroller applications

Power Systems

• AC/DC circuits

• Circuit protection

• 3VDC, 5VDC, 28VDC

• 120VAC and 240VAC systems

• High-voltage knowledge

Signal Analysis

• Frequency and duty cycle measurement

• Fast Fourier Transform (FFT)

• Noise analysis

• Filter performance evaluation

Cable & Harness Design

• Wire selection, sizing, and thermal analysis

• Shielding, grounding, and EMI mitigation

• Military connector knowledge

• Cable fabrication (soldering, crimping, strain relief, etc.)

• Signal propagation and RLC analysis

• Trunk and stub length analysis

Electrical Documentation

• Single-line diagrams

• Electrical layout drawings

• Cable drawings

• Schematics

Network Systems

• Ethernet network architecture

• CAN bus design and analysis

• MIL-STD-1553B systems

• Serial networks

• Video interfaces (RS170, SDI, HDMI, DVI, VGA)

• Time-Sensitive Networking (TSN)

Military Vehicle Knowledge

• Power systems integration

• Mobility systems

• Survivability systems

• Lethality systems

Required Tools Experience

• MATLAB / Simulink

• NI LabVIEW

• NI VeriStand

• Xilinx Vivado

• Microsoft Excel

• Microsoft Visio

• Wireshark

• Vector CANoe

• Protocol analyzers / MOXA tools

Position Requirements

• Bachelor’s degree in Electrical Engineering (required)

  • Minor in Computer Science or Computer Engineering preferred

• 10+ years of full lifecycle experience in:

  • Military systems

  • Civil avionics systems

  • Automotive systems

• Experience with embedded electronics architecture

• Experience testing embedded software

• Experience developing test applications (VeriStand, CANoe, Simulink, TestStand, or equivalent)

• Ability to read and interpret electrical schematics

• Knowledge of HIL systems, signal conditioning, simulation, and DAQ

• Familiarity with PCAP, PTP, and PRP standards

• Knowledge of safety standards (e.g., MIL-STD-882E, ISO 26262, FACE)

• Experience with RTOS and partitioned operating systems

• Experience with high-bandwidth networks (AFDX, PCIe, Ethernet, TSN)

• UML / model-based design experience