Senior Software Engineer, Integration and Test
Epirus · Los Angeles, CA
📍 Torrance, California, United States💰 $171,000via greenhousePosted 2026-05-21
Apply on company site ↗
CareerRiver pulls this listing straight from the employer's hiring system — no recruiter middleman, no reposts. Applying takes you directly to Epirus.
About Epirus
E pirus 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:
Epirus designs and manufactures novel RF systems in a rapid development environment . Fast and thorough hardware / software testing, from early R&D to production, is critical for rapidly delivering successful products. The Integration and Test Senior Software Engineer role focuses on developing and maintaining a level of excellence in Epirus’s engineering lab, where we perform R&D of new design improvements, acceptance testing of newly manufactured modules, integration testing at the sub-system and system levels, and ultimately chamber and field tests / demos. Responsibilities include Hardware-in-the-Loop testing, developing software to control lab equipment, working with other engineers to design new test fixtures, automating testing for various units / sub-systems, organizing data logging, performing first look data analysis, and designing scaling systems that support larger hardware/software teams. Candidates should be capable software engineers but should also have an interest in working hands-on with hardware, both production hardware and lab equipment / instrumentation. Success in this role powers the data-driven decisions that enable Epirus’s agile hardware development.
Responsibilities:
Develop, Test, and Deploy HIL Control Software to validate hardware and software functionality across the Epirus product suite.
Develop and maintain Epirus’s software hardware abstraction libraries including but not limited to Oscilloscopes, VNAs, Signal Generators, Microphones, Video Capture Devices, Robotic Measurement Equipment.
Scale production test software to allow increased production rates and meet evolving customer requirements.
Drive architectural decisions and best practices
Lead capability/feature development of the HIL Software Infrastructure to enable all of Epirus software/QA to validate functionality.
Develop User Interfaces which enable Technicians to run tests and troubleshoot failures
Coordinate with other engineers on designing and setting up new test fixtures, typically on lab benches or in RF chambers (also occasionally out in the field)
Coordinate with hardware and software teams to develop Hardware-in-the-Loop test platforms and procedures and automations.
Work with other engineers to develop new test scripts / programs, maximizing code reuse for consistency of testing
Manage ever-growing data logging and analysis, to power data-driven decisions
Coordinate with Manufacturing team and train technicians on operation of test software for production testing
Coordinate with Test Hardwa re team on HIL design and HIL Software needs
Selection and on-boarding new lab equipment / instrumentation, such as various sensors, DAQs, etc., to continually improve HIL capabilities
Basic Qualifications:
Bachelor’s degree in computer science , electrical engineering, computer engineering or related
5+ years of industry experience
Proficiency with Python and Git
Familiar with one of C++, Rust, C, Java
US Citizen (future U.S security clearance may be required)
Preferred Skills and Experience:
Good written and oral communication skills; not afraid to speak up, either to ask for help or disagree on a technical point that warrants more discussion
Collaborative; capable of working across all levels of the organization
Eager to learn and to help others on the team
Organized; comfortable working in a fast-paced, ever-changing environment
Focused, with perspective on what matters most, rapidly delivering customer value
Experience with DAQs, Arduinos
Experience with continuous integration tools such as Jenkins or GitHub Actions
Experience with Windows Power Shell and Linux Bash/CLI
Experience with a python test framework (pytest, unitest, RobotFramework)
Experience with databases and cloud data storage services (AWS)
Experience with electrical hardware / lab experience, and/or field test experience
Familiarity with signal processing, statistical analysis, and expressive plotting / data presentation
Experience with various sensors and DAQs for data collection
Experience with Agile Product Development practices and/or start-ups
An interest in working with a wide range of other engineering disciplines, touching all parts of the product
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 this role is: $171,000 — $194,000 USD
More Los Angeles, CA jobs
Los Angeles, CA jobs · Browse all locations