Monarch Quantum

Designs and manufactures quantum photonic subsystems

Electrical Engineer 3

Electrical EngineeringConfirmed live in the last 24 hours

Full-timeSan Diego, CA, USAIn-person

About the Job

Requirements

A bachelor's degree in electrical engineering, ECE, or a related field is required.
A minimum of 5 years of relevant experience is required, ideally within a startup or technology company.
Experience in analog circuit design, ADC/DAC, DC-DC converters, and controllers is required.
The candidate must have a solid understanding of analog and mixed-signal circuit designs.
The candidate must be able to design electrical schematics, including developing circuit architecture and selecting components to meet system requirements.
The candidate must be able to use simulation tools such as SPICE to analyze circuit performance.
The candidate must know components available from key vendors that could be used to implement circuit designs.
Employment is contingent upon being a U.S. person as defined by 8 U.S.C. § 1324b(a)(3), due to access to export-controlled information.

Responsibilities

Work independently and as part of a team, communicating with the manager, project engineer, and teammates, and mentor junior engineers.
Execute complex engineering tasks involving planning, preparation, data and information collection and analysis, and decision-making through peer reviews and documentation of results.
Ensure accurate execution schedules, data quality and integrity, conformance to company best practices, and clear communication and documentation.
Work independently and with a group of engineers on electrical designs.
Design, develop, analyze, document, and support testing of products, systems, or subsystems.
Document design architecture and formal design synthesis, including analysis of design performance parameters.
Model and simulate electrical circuit performance.
Perform electrical schematic capture and maintain bills of materials.
Perform PCB layout and produce PCB CAM files.
Test and diagnose designs and verify design goals.
Participate in failure root cause analysis and implement corrective actions.
Develop prototypes to retire key development risks.
Prepare test plans to support test implementation and reporting.

Desired Qualifications

Design experience with RF components is a plus.
RF layout experience is a plus.
Experience with low-noise circuit design and testing is a plus.
Experience using Altium Designer is a plus.

Electrical Engineer 3

Monarch Quantum · San Diego, United States · Full-time · Posted 2026-09-18

Salary: USD 125,000–175,000

Workplace: on_site

Department: Electrical Engineering

Description

Join our fast-paced and passionate team as an Electrical Engineer 3. As we scale, you will be instrumental in building our foundation from the ground up. This is a dynamic, hands-on role for a self-starter who thrives in a fluid startup environment. You'll have the opportunity to work on cutting edge technologies, work closely with leadership, and develop and implement engineering practices that support our mission and growth. Your key responsibilities are as follows:

Work independently and in a team while over communicating with the manager, project engineer and the teammates. Will mentor junior engineers.
Execute complex engineering tasks involving planning, preparation, data/information collection and analysis and decision-making in a process involving peer reviews and documentation of the results.
Use tenacity, patience, self-discipline and passion for excellence to assure accuracy of execution schedule, data quality/integrity, conformance to company best practices, clarity in communication and documentation.
Use every opportunity to grow competency thru mentorship, curiosity, communication, exposure and initiative.
Responsible for working independently and with a group of engineers on electrical designs.
Design, develop, analyze, document and support testing of products, systems or subsystems.
Documentation of design architecture and formal design synthesis including analysis of design performance parameters.
Modeling and simulation of performance of electrical circuits.
Electrical schematic capture and BOM maintenance.
PCB layout and production of PCB cam files.
Testing and diagnosis of designs and verification of design goals.
Participate in failure root cause analysis and implement corrective actions.
Develop prototypes to retire key development risks.
Prepare test plans to support test implementation and reporting.

Requirements

This position requires access to export-controlled information. Employment is contingent upon the applicant being a U.S. person as defined by 8 U.S.C. § 1324b(a)(3).

Experience:

A bachelor’s degree in electrical engineering, ECE, or a related field.
Minimum of 5 years of relevant experience, ideally within a startup or technology company.
Experience in analog circuit design, ADC/DAC, DC-DC convertors and controllers.
Design experience with RF components a plus.
RF Layout experience a plus.
Experience with low noise circuit design and testing a plus.
Experience using Altium Designer a plus.

Skills:

Solid understanding of analog and mixed-signal circuit designs.
Ability to design electrical schematics including development of circuit architecture and component selection to meet requirements for the system.
Ability to use simulation tools such as SPICE for analyzing circuit performance.
Knowledge of components available from key vendors which could be utilized to implement circuit design.

Startup Mindset:

You're creative, flexible, and eager to wear multiple hats.
You're passionate about building systems from the ground up and comfortable with ambiguity and change.

Benefits

The expected annual salary range for this position is $125,000-$175,000.

As a full-time employee, you will be eligible for Monarch’s comprehensive benefits package, which includes:

Medical, Dental, and Vision insurance
Fidelity 401(k) plan with 4% employer matching
20 paid time off (PTO) days per year
13 paid company holidays
9/80 work schedule (every other Friday off)

Monarch Quantum is proud to be an equal opportunity employer and does not discriminate on the basis of race, color, citizenship status, national origin, ancestry, sex, sexual orientation, age, religion, creed, physical or mental disability, medical condition, marital status, veteran status or any other characteristics protected under applicable federal, state and local laws.

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About the Company

Monarch Quantum

Designs and manufactures quantum photonic subsystems

Monarch Quantum designs and manufactures Quantum Light Engines, integrated photonic subsystems that replace large laser systems with compact, factory-aligned modules. These modules handle state preparation, cooling, trapping, manipulation, and coherent control to prepare and measure quantum states for computing, sensing, and communications. They operate with a vertically integrated model in San Diego, combining in-house systems engineering, hybrid optical packaging, robotic assembly, and AI-driven manufacturing to enable design-to-volume production under one roof, reducing size, complexity, and integration risk. The company differentiates itself by offering ready-to-integrate modular photonic subsystems for architectures such as trapped-ion, neutral-atom, and photonics-based platforms, targeting hardware developers, system integrators, and OEMs to streamline quantum hardware development and scaling.

Company size: 51-200
Company stage: Early VC
Total funding: $55M
Headquarters: San Diego, CA
Founded: 2025

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