Associate Test Engineer, Electromagnetic Laboratory

About Epirus Epirus is a high-growth technology company dedicated to overcoming the asymmetric challenges inherent to the future of national security. Epirus' flagship product, Leonidas, is a software-defined system built using intelligent power management techniques which allow power-hungry systems to do more with less. Job Summary: This is an exciting role an innovative, high-growth defense technology company. We are seeking a motivated Associate Test Engineer, Electromagnetic Laboratory to join test engineering team at our multi-client testing facility. In this role, you will develop and execute RF, Antenna Over-the-Air (OTA), and Electromagnetic Compatibility (EMC) testing, helping clients troubleshoot failures in real time. The ideal candidate blends deep electromagnetic testing technical expertise with excellent project management and client-facing communication. Responsibilities: Develop and execute complex RF, Antenna OTA, and EMC measurements and tests to client statements of work and aerospace/defense standards. Develop automation scripts (Python, MATLAB) to optimize test time and streamline data collection. Provide active engineering support to clients to assist in troubleshooting failures and analyze data to produce compliance-ready test reports and certificates. Interface regularly with the larger test engineering organization in Torrance, CA to further refine test methodology and measurement techniques. Support the calibration and preventative maintenance schedules for all laboratory assets. Basic Qualifications: B.S. or M.S. degree in Electrical Engineering or equivalent. 1-3 years of experience (with B.S.) or 0-1 years of experience (with M.S.) in Test Engineering. Familiar with electrical test and measurement equipment such as: Multimeters, Oscilloscopes, Function Generators, Power Supplies. Theoretical understanding of RF, Antenna OTA, and EMC test and measurement principles. Understanding of aerospace and defense testing standards including MIL-STD-461 and DO-160. Experience developing automated test stands for various types of hardware. Strong written and oral communication skills. Organized; comfortable working in a fast-paced, ever-changing environment. US Citizen or Permanent Resident (future security clearance may be required). Preferred Skills and Experience: Experience with RF, Antenna OTA, and EMC Test. Highly proficient in using RF test and measurement equipment such as Vector Network Analyzers (VNA), Spectrum Analyzers, High-Speed Oscilloscopes, Waveform & Signal Generators, Power Meters, AutoCal and SOLT Calibration. Experience with client-facing project management, particularly communicating changes to schedule and technical scope. Experience working in a multi-client or commercial test house environment. Deep knowledge of other defense and commercial testing standards including MIL-STD-810, CISPR, IEC 61000, and ISO (automotive EMC). Comfortable with object-orientated programming using Python. ITAR REQUIREMENTS: To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. At Epirus, you’ll work with technical peers and great people—and get first crack at some of the defining technology challenges of our time. Here, “impossible” is just a challenge. We're a diverse, fast-growing team of change-makers fueling the future of energy with revolutionary solutions. Join us and rewrite the rules. As required by the Equal Pay Transparency Act, Epirus provides a reasonable range of minimum compensation for roles that may be hired. Actual compensation is influenced by a wide array of factors including but not limited to skill set, level of experience, and specific office location. For the state of California only, the range of starting pay for thi…