Role Overview
Epirus is hiring a Principal Software Engineer. This is a full-time role in Torrance, California. Part of Epirus's Embedded hiring. Full responsibilities, required qualifications, and the apply link are listed in the description below.
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Job Description
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 that allow power-hungry systems to do more with less.
Job Summary: This is an exciting role in an innovative company. The ideal candidate for the position is someone who has experience developing high-performance real-time, autonomous software systems to rapidly develop next-generation products. Employ your expertise by developing software systems that support functions such as autonomous target tracking, agile electronic beam-forming, and real-time hardware control.
Responsibilities:
- Design and implement software of embedded devices and systems from requirements to production and deployment
- Design, develop, code, test, and debug system software
- Build real-time control software for a variety of projects
- Analyze and enhance the efficiency, stability and scalability of system resources
- Direct software QA and optimize I/O performance
- Interface with hardware design and development
- Assess third-party and open-source software
- Lead teams to create minimum viable products from an idea
- Derive software frameworks and architectures to accelerate development
- Mentor peers to advance team velocity
Basic Qualifications:
- 5+ years of development in C and C++
- 3+ years working with embedded systems
- Additional experience with one or more modern systems language(s): Python, Java, VHDL, Verilog, Go, Rust, etc.
- Versed in multithreaded design (concurrency primitives, resource management, etc.)
- Competent in computer science concepts (algorithms, data structures, object-oriented programming, etc.)
- Strong foundations in mathematics and linear algebra
- Adequate knowledge of reading schematics and data sheets for components
- Bachelor’s degree in computer science or a similar discipline, Master’s degree preferred
- This is an on-site position; availability to work in our HQ in Torrance is required
Preferred Skills and Experience:
- 2+ years of experience with Xilinx FPGA and Embedded Cortex CPU architectures
- Experience building software for real-time operating environments with specific latency requirements
- Experience with Embedded Linux and/or software integration with FPGA firmware
- Knowledge or experience with digital signal processing (DSP) or radio frequency (RF) technologies
- User experience with DevOps Pipeline tools
- Experience with Docker or Helm
- Scrum Master Certification
- Desire to mentor new hires
- Exposure or interest in sensor fusion, machine learning, or AI
ITAR REQUIREMENTS:
- To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here.
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.
Frequently Asked Questions
How do I apply for the Principal Software Engineer position at Epirus?
Use the Apply button above to submit your application directly to Epirus. Most applications take less than 5 minutes if your resume and contact details are ready, and you'll be routed to the employer's official application system to finish.
Where is the Principal Software Engineer position at Epirus located?
This position is based in Torrance, California. Epirus has not indicated remote or hybrid options for this role, so candidates should plan for on-site work.
What does a Principal Software Engineer at Epirus earn?
Epirus has not disclosed a salary range in this posting. Many employers share specifics later in the interview process; you can also ask during a recruiter screen if compensation transparency is important to you.
When was the Principal Software Engineer role at Epirus posted?
This role was posted on May 5, 2026 (50 days ago). It's still listed as actively hiring; we re-confirm openings against the source system multiple times per day and remove closed roles.
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