---
title: 'Senior Systems Integration Engineer at Epirus'
canonical: 'https://feeny.ai/job/senior-systems-integration-engineer-epirus-torrance-california-x4epxc0d3xvz'
type: 'job'
last_seen: '2026-09-11'
---

# Senior Systems Integration Engineer at Epirus

- **Company:** Epirus
- **Location:** Torrance California, United States
- **Compensation:** $133k–$160k
- **Posted:** 2026-08-10
- **Last confirmed live:** 2026-09-11
- **Apply:** https://www.epirusinc.com/open-roles?gh_jid=6137175004

## 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 Systems Engineer – I&T leads the integration and test of complex electro‑mechanical defense systems across the full development lifecycle. This role contributes to requirements definition at all levels, develops test plans, specifies test station hardware and software, and oversees the creation and transition of new test stations and procedures to manufacturing. The engineer analyzes test data, troubleshoots issues, and supports final system sell‑off prior to customer delivery.

Responsibilities:

- Develop system tests, including identification of required hardware, software, and lab equipment
- Perform integration and testing activities, including RF Chamber testing and Field testing
- Work with subsystem teams to characterize and resolve integration / operational issues
- Work with lab equipment (e.g. oscilloscopes, function generators, VNAs, RF signal generators, DAQs, etc.) to characterize hardware, including possibly writing software to automate measurements and data analysis
- Contribute to requirement development, monitoring for potential integration issues between subsystems
- Capture and promote Design-for-Test best practices
- Contribute to Qualification and Acceptance test planning
- Work side-by-side with test engineers and technicians to knowledge-transfer new test procedures and debug issues

Basic Qualifications:

- BS degree in Electrical Engineering, Aerospace Engineering, or similar field
- Minimum 5 years previous experience, preferably with experience spanning the entire product lifecycle (Concept to Delivery) OR minimum 3 years of experience with a Master’s degree
- Familiarity with Requirements and Verification Management tools, and Manufacturing Execution System tools
- Experienced in verification of system requirements
- Familiarity with electrical lab equipment (oscilloscopes, VNAs, etc.)
- US Citizen and/or Permanent Resident (future security clearance may be required)

Preferred Skills and Experience:

- Familiarity with scripting languages (preferably Python and / or Matlab)
- Experience working with RF systems (e.g. radar, comms, EW, etc.), preferably including phased arrays
- Experience safely working with electrical power systems
- Experience troubleshooting embedded systems
- Familiarity with environmental requirements and verification (shock/vibe, humidity, temperature, sand / dust, etc.)
- 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 on rapidly delivering customer value

## 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: $133,300—$159,800 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)

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