---
title: 'Product Test Engineer at Epirus'
canonical: 'https://feeny.ai/job/product-test-engineer-epirus-torrance-faywe8ff9wha'
type: 'job'
last_seen: '2026-10-16'
---

# Product Test Engineer at Epirus

- **Company:** Epirus
- **Location:** Torrance, CA
- **Compensation:** $100k–$115k
- **Posted:** 2026-07-13
- **Last confirmed live:** 2026-10-16
- **Apply:** https://www.epirusinc.com/open-roles?gh_jid=6107303004

## 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 which allow power-hungry systems to do more with less.

Job Summary: This is an exciting role in an innovative, high-growth defense technology company. The ideal candidate for the position is someone who has experience with developing automated test benches and special test equipment for high performance production hardware. In this role, you will work closely with a talented engineering team to design, produce, and support test systems and test procedures to enable the fast and automated production/test of fieldable products.

Responsibilities:

- Design, build, and support sophisticated test systems to test high-volume and high-performance RF, digital, and power electronics in a production environment
- Work closely with system and design engineers to create test requirements and criteria to sell-off system/subsystem requirements
- Work closely with manufacturing engineers to triage yield issues of production hardware, provide guidance on hardware disposition/troubleshooting, and develop test system maintainability plans such as calibration procedures
- Run campaigns to qualify hardware under various environmental conditions
- Support fast prototyping by designing and building engineering test sets for investigation purposes

Basic Qualifications:

- BS or MS degree in Electrical Engineering, Mechanical Engineering, or any related field
- Minimum 2 years of experience in Test Engineering or an advanced degree without experience
- Previous experience in a production or manufacturing environment
- Previous experience with designing and troubleshooting automated test benches for various types of hardware
- Familiarity with electrical test and measurement equipment such as multimeters, oscilloscopes, function generators, power supplies
- Previous experience with environmental acceptance and qualification test plans
- Strong documentation skills to track and analyze root cause of non-conforming hardware
- Strong test plan and requirements writing skills
- Good written and oral communication skills
- Collaborative; capable of working across all levels of the organization
- Organized; comfortable working in a fast-paced, ever-changing environment
- Ability to cover the entire test system lifecycle independently
- US Citizen or Permanent Resident (future clearance may be required)

Preferred Skills and Experience:

- Good understanding of RF, power, and digital engineering concepts
- Experience working with RF test and measurement equipment such as: VNAs, Spectrum Analyzers, High-Speed Oscilloscopes, Power Meters, AutoCal Modules, Power Amplifiers
- Comfortable with object-orientated programming such as C++, C, Python
- Experience with software development workflow using Github
- Experience with PCB design and using design tools such as Altium
- Experience with CAD design and using design tools such as Solidworks
- Experience with 3D printing and rapid prototyping
- Experience with VISA/SCPI commands

## 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.](https://www.epirusinc.com/open-roles)

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: $100,000—$115,000 USD

## About Epirus

## Company Overview
- **One-liner**: Epirus develops software-defined, solid-state high-power microwave (HPM) systems and advanced electronics to defend against drone swarms and asymmetric threats.
- **Entity Type**: Private (Series D; total funding $548.4M)
- **Headquarters**: Torrance, California, United States
- **Founded**: 2018
- **Founders**: John T. and Nathan Mintz

## Core Business
- **Primary industry**: Defense and Space Manufacturing – directed energy, electronic warfare, counter-UAS.
- **Target customers**: U.S. Department of Defense (Army, Navy, Marines), allied governments, and critical‑infrastructure operators (B2G, B2B).
- **Mission**: “To protect and sustain civilization” by advancing the frontiers of high-power microwave technology for asymmetric challenges.

## Products & Services
- **Leonidas™ (High‑Power Microwave System)**: Software‑defined, long‑pulse HPM platform for counter‑drone swarm operations. Defeated a 49‑drone swarm in live‑fire demonstrations. Configurable as fixed, semi‑fixed, or mobile (hitch‑mounted).
- **Leonidas H₂O**: Maritime interdiction variant for unmanned surface vessel (USV) protection.
- **Epirus Pod**: Compact, portable HPM system for special operations, de‑mining, and small‑platform integration.
- **Air Domain Awareness**: Always‑on perception systems using big data and ML to monitor, track, and mitigate UAS incursions.
- **Advanced Electronics**: Hardware/software/AI modules that enable high‑power performance across demanding use cases.

## Market Standing
- **Valuation**: Not publicly disclosed (conflicting reports; latest funding round implied valuation significant)
- **Key Metric**: Annual Revenue ~$115M (2025–2026 estimate) | Total Funding $548.4M [LinkedIn](https://www.linkedin.com/company/epirus)
- **Notable Investors**: 8VC (lead Series A), T. Rowe Price (lead Series C), M42 (lead corporate round in 2025). Other backers include Stu Shea (board member).
- **Growth Signals**:
  - Headcount of 189 (+19.8% YoY, +41 employees) [LinkedIn](https://www.linkedin.com/company/epirus)
  - $250M Series D (2025/2026) closed to hyperscale Leonidas production
  - U.S. Army contracts: $43.5M (IFPC‑HPM Gen II), $66.1M for Leonidas directed‑energy prototypes
  - Finalized delivery of four IFPC‑HPM prototypes to U.S. Army (June 2026)
  - International expansion: offices in Italy and UK, 49k+ LinkedIn followers (70.8% yearly growth)

## Competitive Advantages
- **Solid‑state, long‑pulse HPM** that is software‑defined and scalable – unlike legacy tube‑based systems.
- **AI‑driven intelligent power management** lets power‑hungry systems “do more with less.”
- **Rapid prototyping & delivery** – Leonidas was delivered to the U.S. Army in record time.
- **Proven against real‑swarm threats** – 100% kill rate in 49‑drone demonstration.
- **Modular, vehicle‑agnostic architecture** that integrates with existing sensor and weapon platforms.

## Strategic Focus
- Scaling Leonidas production capacity for critical‑asset protection (driven by $250M Series D) [epirusinc.com](https://www.epirusinc.com/)
- Expanding maritime capabilities (Leonidas H₂O) and pod‑based EW for special operations.
- Deepening partnership with U.S. Army (IFPC‑HPM program) and entering allied markets (UK, Italy).
- Continuing to invest in AI/ML for air‑domain awareness and autonomous threat identification.

## Why Work Here
- **Culture & Values**: Built on four pillars – Accountability, Respect, Commitment, Speed with Discipline. Described as “Neo Prime” for asymmetric warfare – fast‑paced, mission‑driven.
- **Work Environment**: Hybrid/flexible with offices in Torrance (HQ), Hawthorne, and Law (innovation center). Casual dress, catered lunches, stocked kitchens.
- **Benefits**:
  - Up to 100% paid medical coverage, robust vision & dental, flex accounts.
  - Stock options (full vesting), 6% 401k match, annual dependent‑care support, monthly electronics stipend.
  - 19 paid holidays + unlimited PTO + generous parental leave.
  - Free gyms, Calm app subscriptions, unlimited mental‑health access, pet insurance.
- **Engineering Culture**: “Impossible is just a challenge” – fast iteration, cross‑functional teams, blend of startup mentality and aerospace/defense experience. Alumni from SpaceX, Anduril, Northrop Grumman, Lockheed Martin.
- **Growth**: 40 active job postings (monthly +53.8%, yearly +100%); rapid headcount increase and major contracts signal stability and scaling.

## Sources
1. [Epirus Website](https://www.epirusinc.com/)
2. [Epirus About Page](https://www.epirusinc.com/about)
3. [Epirus Careers Page](https://www.epirusinc.com/careers)
4. [Epirus LinkedIn](https://www.linkedin.com/company/epirus)

## Other roles at Epirus

- [Principal Mechanical Engineer](https://feeny.ai/job/principal-mechanical-engineer-epirus-torrance-m41khky8qcsm) — Torrance, CA
- [Senior Manufacturing Engineer](https://feeny.ai/job/senior-manufacturing-engineer-epirus-torrance-r4fh3ss6v2vw) — Torrance, CA
- [Senior Technical Project Manager](https://feeny.ai/job/senior-technical-project-manager-epirus-torrance-qeg5h238qdw5) — Torrance, CA
- [Director of Systems Engineering](https://feeny.ai/job/director-of-systems-engineering-epirus-torrance-gg57csetxrza) — Torrance, CA
- [Director International Programs & Commercialization](https://feeny.ai/job/director-international-programs-commercialization-epirus-torrance-ag9wv01dw6x1) — Torrance, CA
- [Program Manager - Product Demonstrations](https://feeny.ai/job/program-manager-product-demonstrations-epirus-torrance-3k93akgc3nsb) — Torrance, CA
- [Principal Harness Design Engineer](https://feeny.ai/job/principal-harness-design-engineer-epirus-torrance-9jh8jpd2byr8) — Torrance, CA
- [Vice President Marketing & Communications](https://feeny.ai/job/vice-president-marketing-communications-epirus-torrance-qbtntg51758d) — Torrance, CA / Washington, DC
- [Principal Category Manager - PCBA](https://feeny.ai/job/principal-category-manager-pcba-epirus-torrance-1k5hda4hxgwh) — Torrance, CA
- [Lead, Production](https://feeny.ai/job/lead-production-epirus-torrance-111sdj6raphs) — Torrance, CA