Design electrical and communication system hardware for Air Traffic Control (ATC) Voice Communication Systems. Develop electrical schematics, wiring diagrams, rack layouts, cable schedules, and hardware installation packages. Perform equipment selection, power distribution analysis, grounding, surge protection, and environmental assessments. Support system integration, factory acceptance testing, site acceptance testing, and field deployments. Troubleshoot hardware, cabling, power, and communication interface issues during installation and operations. Ensure designs comply with FAA, customer, industry, safety, and regulatory requirements. Collaborate with systems, network, software, and field engineering teams to deliver reliable mission-critical communication solutions. Support engineering documentation, configuration management, and technical reviews throughout the project lifecycle.