Electronic Hardware Engineer

Matrix designs, manufactures, and sells innovative technological products that help keep people safe. Originally focused on the underground coal mining industry, Matrix has expanded into new industrial markets in the United States and globally.

We are currently seeking an Electronic Hardware Engineer to design and develop hardware components and systems. You will work closely with other engineers and cross-functional teams to ensure the successful execution of hardware projects. This role is ideal for a proactive and detail-oriented individual with a strong foundation in electronics and a passion for hardware development. This position works in a team environment at our home office in Newburgh, IN.

This is not a remote position.

This position reports to the Manager of Hardware Systems.

• Contribute to product design requirement definition by gathering inputs and translating them into clear hardware needs
• Develop and maintain hardware specifications based on defined requirements, standards, and applicable constraints
• Build, instrument, and test proof-of-concept hardware to evaluate feasibility, risks, and design tradeoffs
• Design and document electrical schematics and PCB layouts using Altium Designer (preferred) or equivalent tools
• Prototype and test circuits against requirements, and troubleshoot issues using standard lab methods and tools
• Participate in design reviews and incorporating feedback and action items
• Develop product verification test fixtures and procedures to validate hardware performance and requirements compliance
• Create and maintain manufacturing documentation (e.g., drawings, assembly instructions, and test procedures) to support production readiness
• Provide technical support and training to installation/repair technicians and field services personnel, as needed
• Create and maintain engineering documentation (e.g., manufacturing drawings, regulatory approval drawings, test procedures/reports, user manuals, product specifications, evaluation reports, proposals/estimates, and technical reports)
• Support occasional field or environment testing (e.g., warehouses or mine sites) to gather data and validate product performance
• Support component lifecycle management by identifying obsolescence risks and helping qualify acceptable substitute parts

• Bachelor’s degree in Electrical Engineering (or equivalent)
• 2–8 years of experience in electronic hardware design and development
• Demonstrated experience using PCB design tools (e.g., Altium Designer—preferred—KiCad, OrCAD, Eagle, etc.)
• Good understanding of analog and digital circuit operation and design techniques
• Proficient knowledge of electrical test and measurement techniques using common lab equipment (DMMs, power supplies, function generators, oscilloscopes, logic analyzers, etc.)
• Good problem-solving and troubleshooting skills, with the ability to isolate root cause and recommend corrective actions
• Strong written and verbal communication skills, with the ability to collaborate effectively across engineering and cross-functional teams

All applicants must be able to provide proof of eligibility to work in the United States. Employment is contingent upon the successful completion of the I-9 form, as required by federal law. Additionally, candidates will be required to undergo an employment verification process before beginning work. Please note that we do not offer sponsorship for work authorization (e.g., H-1B, TN, or other visas) at this time.

• Most of the work will take place in a climate-controlled office or lab setting
• Travel to supplier/partner facilities or to customer/field locations, supporting initial product R&D and testing or troubleshooting may be required occasionally (industrial or mining sites possible)
• Matrix employees are furnished with and required to wear safety gear such as hard hats, steel toe shoes, reflective clothing, earplugs, and safety glasses when working in those locations requiring such protective gear

The employee is occasionally required to stand, walk and stoop, or crouch. The employee may need to…