Electrical Engineer 3 - Mixed Signal and PCB

Combined Selection Group Ltd; Illinois; On-site; USD 110,000 - 140,000; Full time

Job summary

Unknown Company in Illinois on-site seeks an experienced Electrical Engineer III to design analog, digital, and mixed-signal circuits and multilayer PCBs. The role emphasizes engineering documentation, signal integrity, EMC, thermal, and reliability analysis.

The candidate will support hardware verification, validation, HIL testing, and troubleshooting while collaborating with mechanical, systems, and software teams, and participate in design reviews and FMEAs to ensure compliance with industry

Qualifications

• Bachelor's degree in Electrical Engineering or related discipline.
• 5+ years' experience in electrical design for high-reliability electromechanical systems.
• Proficient with Altium Designer or similar PCB design software.
• Experience designing complex multilayer mixed-signal PCBs.
• Strong knowledge of analog and digital circuit design, including MCUs, FPGAs, ADC/DAC interfaces, CAN, RS-485, ARINC-429.
• Understanding of EMC mitigation techniques and aerospace hardware development standards (DO-160, DO-254).
• Excellent troubleshooting with lab equipment.
• Strong communication skills and cross-functional teamwork.

Responsibilities

• Design analog, digital, and mixed-signal circuits and multilayer PCBs.
• Develop schematics, PCB layouts, and engineering documentation.
• Perform signal integrity, EMC, thermal, and reliability analysis.
• Support hardware verification, validation, HIL testing, and troubleshooting.
• Collaborate with mechanical, systems, and software engineering teams.
• Participate in design reviews, FMEAs, and support compliance with industry standards.

Skills

Circuit design

Mixed-signal design

Troubleshooting

Team collaboration

Documentation

Education

Bachelor's degree in Electrical Engineering

Tools

Altium Designer

Job description

Electrical Engineer 3 - Mixed Signal & PCB

Location: Illinois (On-site)

About the Role We're partnering with a leading engineering, manufacturing, and technology company looking for an experienced Electrical Engineer III.

Key Responsibilities

• Design analog, digital, and mixed-signal circuits and multilayer PCBs.


• Develop schematics, PCB layouts, and engineering documentation.


• Perform signal integrity, EMC, thermal, and reliability analysis.


• Support hardware verification, validation, HIL testing, and troubleshooting.


• Collaborate with mechanical, systems, and software engineering teams.


• Participate in design reviews, FMEAs, and support compliance with industry standards.

Requirements

• Bachelor's degree in Electrical Engineering or a related discipline.


• 5+ years' experience in electrical design for aerospace, defence, or other high-reliability electromechanical systems.


• Strong proficiency with Altium Designer or similar PCB design software.


• Experience designing complex multilayer mixed-signal PCBs.


• Strong knowledge of analog and digital circuit design, including microcontrollers, FPGAs, ADC/DAC interfaces, and communication protocols (CAN, RS-485, ARINC-429).


• Understanding of EMC mitigation techniques and aerospace hardware development standards (DO-160, DO-254).


• Excellent troubleshooting skills using laboratory test equipment.


• Strong communication skills and the ability to work within cross-functional engineering teams.

Preferred Experience

• Experience with safety-critical actuation systems or flight-control hardware.


• Familiarity with reliability engineering, embedded firmware, or FPGA development.


• Experience with MATLAB/Simulink, NI LabVIEW, or electronic simulation tools.