Test Engineer III

Job Description Job Description Title: Satcom Test Engineer III Department: 720, Test Engineering Reports to: Manager Revision Date: 5/30/2025 FLSA Status: Exempt Location: Chandler, AZ Level: T3 Company Overview: Comtech Telecommunications Corp. is a leading global technology company providing terrestrial and wireless network solutions, next-generation 9-1-1 emergency services, satellite and space communications technologies, and cloud-native capabilities to commercial and government customers around the world. Our unique culture of innovation and employee empowerment unleashes a relentless passion for customer success. With multiple facilities located in technology corridors throughout the United States and around the world, Comtech leverages our global presence, technology leadership, and decades of experience to create the world’s most innovative communications solutions. For more information, please visit We’re seeking curious, growth-minded thinkers to help shape our vision, structures, and systems; playing a key role as we launch into our ambitious future. If you’re invigorated by our mission, values, and drive to change the world — we’d love to have you apply. Position Summary: We are looking for an experienced Satcom Test Engineer III that will collaborate across System Engineering, Software Engineering and Hardware Engineering teams to bring advanced Satellite Communication products to market. The Test Engineer position is responsible for verification and validation testing of engineering designs prior to market release. The duties of a successful team member include developing test plans, procedures, test automation and performing validation testing on satellite communication equipment, software, and systems. Responsibilities : # Ability to take system, hardware and software level requirements and develop verification test procedures. # Ability to create, interpret, modify programming source code in multiple languages such as Python, C and Java for automated test software. # Supports Integration and Test, Design Verification, First Article and Production test. # Ability to troubleshoot moderate to complex satellite communication equipment and software. # Responsible for testing advanced product features and test methods as follows: # Digital Intermediate Frequency Interoperability (DIFI) IEEE-ISTO STD 4900-2021 standard 1.1 over 100 GigE interfaces. # RF and waveform testing to MIL-STD-188-165B requirements. # Multi-carrier satellite modem # Ability to automate RF calibration routines. Reports, tracks and monitors product performance, capabilities, and defects. Writes technical reports and develops charts, graphs, and schematics to describe and illustrate system's operating characteristics, malfunctions, deviations from design specifications, and functional limitations. Creation and setup of test fixtures. Qualifications: Experience testing to MIL-STD-188-165B (and -165A) standard. Understanding of modern satellite modem waveforms. Experience automating test equipment over remote GPIB, Ethernet, and SNMP. Experience with DIFI IEEE-ISTO STD 4900-2021 Experience with RF calibration automaton. Experience: Minimum 10 + years of experience with lab and network equipment and software, such as Spectrum Analyzers, AWGN Noise Sources, Traffic Generators, Satellite Link Emulators, Oscilloscopes, Protocol analyzers, Routers, Ethernet Managed Switches and Wireshark. Minimum 6+ years of experience in programming; C/C++, Python and Java preferred. Education: ~ Bachelor’s degree in electrical engineering, Computer Science, Computer Engineering, or related work experience is required. Comtech Telecommunications Corp. is an Equal Opportunity Employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability protected veteran status or other characteristics protected by law.