--- title: 'R&D Electrical Engineer III at Fluxergy' canonical: 'https://feeny.ai/job/r-d-electrical-engineer-iii-fluxergy-irvine-6k2rthfnk6h6' type: 'job' last_seen: '2026-11-06' --- # R&D Electrical Engineer III at Fluxergy - **Company:** Fluxergy - **Location:** Irvine, CA - **Employment:** full-time - **Work type:** onsite - **Posted:** 2026-06-25 - **Last confirmed live:** 2026-11-06 - **Apply:** https://jobs.lever.co/fluxergy-2/2ce73ffc-ad71-4f0d-8558-4a9f8c99bb5a ## Job description ## About Us Fluxergy is a rapidly growing in vitro diagnostics company innovating on the cutting-edge of laboratory testing. We’re developing the first and only multi-modal point-of-care platform that enables molecular, clinical chemistry, immunoassay, and hematology testing on the same system. Our platform spans many markets including the clinical, veterinary, and food safety industries. We are seeking self-motivated problem solvers who are excited to help decentralize traditional laboratory infrastructure. At the core of our company’s identity is a strong foundation in engineering. We take great pride in our commitment to critical thinking and pragmatic problem-solving through a modular and systemic perspective. We hold the conviction that transparent communication, coupled with the flexibility to adjust to evolving scenarios and the willingness to venture beyond familiar territories, is crucial to both our success and yours. ## About the Role We’re looking for a hands-on Electrical Engineer who thrives on ownership, collaboration, and solving complex technical problems. In this role, you’ll contribute to the development of electronic systems for diagnostic and life sciences products, working across the full hardware development lifecycle—from design and prototyping through testing, integration, and production. You’ll have the autonomy to drive your work forward while working closely with a multidisciplinary engineering team. We value engineers who communicate clearly, ask thoughtful questions, take initiative, and know when to lean on their teammates. You’ll have the opportunity to work on meaningful technical challenges while seeing your designs move from concept to production in a regulated environment. ## Team Culture - Problem Solving - Adaptable - Proactive - Encouraged - Autonomous - Adventurous ## What You Will Do - Design and review electrical schematics, PCB layouts, wiring diagrams, BOMs, and system architectures. - Collaborate with mechanical, firmware, software, and manufacturing teams to develop and integrate reliable electronic systems. - Own electrical design activities from design and prototyping through testing, troubleshooting, verification, and documentation. - Support hardware bring-up, design verification, system integration, and prototype builds. - Design and implement PCBA test fixtures and test procedures for manufacturing and functional testing. - Troubleshoot complex hardware and system-level issues using oscilloscopes, logic analyzers, spectrum analyzers, power supplies, and other laboratory equipment. - Create and maintain technical documentation, including design specifications, verification protocols, test procedures, and engineering reports. - Support PCB development from prototype through production, including Design for Manufacturability (DFM) and manufacturing support. - Ensure designs comply with FDA requirements and applicable medical device industry standards. - Communicate technical decisions, risks, tradeoffs, and project timelines clearly across cross-functional teams. - Participate in design reviews, technical discussions, and continuous improvement initiatives. ## What You'll Need to Have - Bachelor’s degree in Electrical Engineering or a related engineering discipline. - 5+ years of hands-on experience designing, developing, testing, and troubleshooting analog and digital hardware. - Strong understanding of analog and digital circuit design, power electronics, signal integrity, and embedded systems. - Experience with schematic capture and PCB design using Altium Designer or similar ECAD software. - Experience with embedded hardware and microcontrollers, including interfaces such as I2C, SPI, and UART. - Strong hardware debugging and troubleshooting skills using laboratory test equipment. - Experience designing and building PCBA test fixtures for manufacturing, functional testing, or troubleshooting. - Familiarity with PCB manufacturing, DFM, and supporting hardware from prototype builds through production. - Strong communication and collaboration skills with the ability to work effectively across disciplines. - A demonstrated ability to work autonomously, take ownership, manage priorities, and drive projects forward. - Experience in medical devices, diagnostic instruments, life sciences, or another regulated industry is preferred. - Experience with STM32 microcontrollers and development toolsets is a plus. Interview Process Our interview processes my differ slightly from role-to-role; however, most of our interviews will follow a similar pattern: - Recruiter Interview - Hiring Manager interview - Technical Interview - On-site Interview - Decision We are an early-stage company and may change our interview process from time-to-time, but our hope is everyone who interviews with us has a positive experience, even if an offer isn’t presented. ## Benefits Excellent Medical/Dental Benefits - 95% medical benefit premiums paid by Fluxergy and covers employee, partner, and dependents - 100% dental and vision premiums paid for employee, partner, and dependents - 100% Life Insurance premiums paid for the employee Work - Life Balance Minded Time Off - 15 paid vacation days - 2-week paid winter break - 7 company paid holidays - 5 paid sick days A Work Culture Which Believes in Promoting from Within - Wear lots of hats / accelerate your career growth! - We are a flat organization by design – lots of visibility! - Many of our current leaders started their career with Fluxergy! Salary Range: $120,000 - $130,000/yr Additional Information Fluxergy is an Equal Opportunity Employer and is committed to building an inclusive workplace. Qualified applicants will receive consideration for employment without regard to any protected characteristic under applicable federal, state, or local law. If you require a reasonable accommodation during the application or interview process, please let us know at any point during the hiring process. Fluxergy participates in E‑Verify. Employment eligibility will be verified after hire in accordance with federal law. Fluxergy is committed to protecting your personal data. Please review our Privacy Policy. ## About Fluxergy ## Company Overview - **One-liner**: Fluxergy develops a multimodal, point-of-care diagnostic platform that runs molecular (PCR), immunoassay, cytometry, and electrochemistry tests on a single analyzer and test card. - **Entity Type**: Private (venture-backed; completed Seed, Series A, B, and C funding rounds) - **Headquarters**: Irvine, California, United States - **Founded**: 2011 - **Founders**: Tej Patel (President & Co-Founder), Ryan Revilla (VP & Co-Founder), Jonathan Tu (CFO & Co-Founder) ## Core Business - **Primary Industry**: Biotechnology / Medical Diagnostics / Point-of-Care (POC) Testing - **Target Customers**: B2B — healthcare providers, clinical laboratories, and point-of-care settings (clinics, hospitals, and similar caregiving environments) - **Mission/Purpose**: "To build a future where fast, accurate, and affordable health insights are available everywhere" — making laboratory testing more accessible and affordable at price points comparable to reference laboratory testing. ## Products & Services - **Fluxergy Analyzer**: A multimodal POC testing platform that consolidates molecular PCR, quantitative immunochemistry, cytometry, and electrochemical detection onto one instrument. Includes automated, sample-to-answer workflows. - **Fluxergy Works**: User-friendly software for running tests and viewing results, plus connectivity for the broader testing ecosystem. - **Fluxergy Test Cards / Cartridges**: Disposable, multiplexed test cards designed for the analyzer; manufactured in-house using automated high-throughput production. The company targeted 1 million test cards per month in 2021. - **Contract Assay Development**: Customizable assay development for specific sample types, target types, and industries across molecular, immunochemistry, cytometry, and electrochemistry modalities. ## Market Standing - **Valuation**: Not disclosed - **Key Metric**: Total Funding — approximately USD 50M (Seed $450K in 2013; Series A $4.5M in 2015; Series B $15M in 2017; Series C $30M in 2020) - **Employees**: ~65 (LinkedIn data); workforce distributed across the US and Sweden; EU operations via Fluxergy Europe GmbH in Germany - **Notable Investors/Partners**: Specific investor names not disclosed in public sources searched; company maintains operations in the US (Irvine, CA) and Europe (Mainaschaff, Germany) - **Growth Signals**: - 70,000 sqft Irvine campus with a state-of-the-art microfluidic manufacturing facility and technology innovation centers - In-house production lines for analyzers and sensors; targeting 1M test cards/month (2021) - Expanding test menu across four detection modalities on one platform - EU entity established (Fluxergy Europe GmbH) indicating international market expansion - Active hiring across R&D, software, firmware, mechanical engineering, manufacturing, and IT ## Competitive Advantages - **True multimodal platform**: One analyzer runs PCR, immunoassays, cytometry, and electrochemistry — rather than requiring separate instruments — at the point of care - **Vertical integration**: In-house design, assembly, and testing of analyzers, sensors, and consumables; automated manufacturing for high-volume throughput - **Cost positioning**: Pricing comparable to central reference lab testing while delivering on-site, rapid results - **Open platform flexibility**: Multiplexed, customizable test cards and workflows for different sample types, target types, and industries - **Scalable consumables model**: High-margin, recurring revenue from proprietary test cards paired with instrument placements ## Strategic Focus - Scaling high-throughput manufacturing capacity for test cards and analyzers - Broadening the test menu across molecular, immunoassay, cytometry, and electrochemical modalities - Expanding international presence (European office and partnerships) - Enhancing Fluxergy Works software for seamless point-of-care connectivity and data management - Advancing automation and robotics to increase production throughput and quality ## Why Work Here - **Mission-driven work**: Directly contributes to making fast, accurate, and affordable diagnostics available at the point of care - **Compelling benefits**: 95% of medical benefit premiums paid by Fluxergy, covering employees, partners, and dependents - **Variety of roles**: Opportunities span platform development, molecular assay R&D, software engineering (backend, firmware), automation, quality, manufacturing/production, and IT - **Hands-on engineering culture**: In-house manufacturing with robotics, advanced sensors, and control systems; engineers see products from concept through manufacturing transfer - **Global footprint**: US headquarters in Irvine, CA with European operations in Germany; distributed team across the US and Sweden - **Employee rating**: 3.6/5.0 on LinkedIn (58 reviews) — Work-Life 3.7, Compensation 3.7, Culture 3.7, Career 3.4 - **Growth-stage environment**: Backed by ~$50M in funding with major production scale-up initiatives, offering career growth potential in a fast-moving diagnostics startup ## Sources 1. [fluxergy.com — Careers](https://www.fluxergy.com/careers) 2. [fluxergy.com — Homepage](https://www.fluxergy.com/) 3. [fluxergy.com — About Us](https://www.fluxergy.com/about) 4. [linkedin.com — Fluxergy Company Page](https://linkedin.com/company/fluxergy) 5. [craft.co — Fluxergy Company Profile](https://craft.co/fluxergy) ## Other roles at Fluxergy - [Production Operator I](https://feeny.ai/job/production-operator-i-fluxergy-irvine-pxyqrxewntyx) — Irvine, CA - [Senior Mechanical Engineer](https://feeny.ai/job/senior-mechanical-engineer-fluxergy-irvine-nc56vmntse8e) — Irvine, CA - [Manufacturing Associate](https://feeny.ai/job/manufacturing-associate-fluxergy-irvine-kc87my92wkse) — Irvine, CA - [Firmware Engineer III](https://feeny.ai/job/firmware-engineer-iii-fluxergy-irvine-69yp8b9ves77) — Irvine, CA - [Technical Customer Success Specialist](https://feeny.ai/job/technical-customer-success-specialist-fluxergy-irvine-tacec5k1esfn) — Irvine, CA