Senior Electrical Engineer (I, II, III)

Cellares

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South San Francisco, CA on site Until 8/21/2026 H-1B sponsor history First posted March 21, 2026 Last posted March 21, 2026
Job description

Position Summary

Cellares is seeking a Senior Electrical Engineer passionate about electrical design and automation who will contribute significantly to the development of our advanced cell therapy manufacturing platform. 

The position will be focused on electrical systems within cell therapy manufacturing equipment, including design, documentation, and validation of control panels, PCBAs, and interconnecting cabling. You will interface across many parts of the company to develop novel products used in the cell and gene therapy world, and will have the opportunity to grow your career under the mentorship of a top-notch cross-functional engineering team. 

Candidates should enjoy working in a fast-paced, mission-driven environment and be prepared to tackle a broad array of challenges as the company grows

Responsibilities

  • Lead electrical design for complex automation equipment, ensuring compliance with relevant regulatory and safety standards such as IEC 61010, NFPA 70/79, and UL 508A

  • Design power and signal distribution throughout industrial equipment using control panels, cables, PCBs, and off-the-shelf assemblies

  • Document Electrical designs in schematic, interconnect, and layout drawings in a formal Product Lifecycle Management paradigm

  • Assist with the development of functional requirements and specifications

  • Design and implement test benches to support prototyping and characterization

  • Participate in design reviews and provide input to identify issues and drive design choices

  • Collaborate with controls, mechanical, systems, and software engineers

Requirements

  • Bachelor’s degree in Electrical Engineering and at least 7 years of experience, or a Master’s degree with at least 5 years of experience

  • Experience working on projects incorporating electrical and mechanical components, and general exposure to different types of sensors and actuators

  • Solid understanding of AC and DC power distribution, including circuit protection, sizing, and design for manufacturing

  • Experience integrating PLC hardware platforms such as Beckhoff, Siemens, Allen-Bradley, etc.

  • Familiar with digital communication mediums such as Ethernet, RS-232, RS-485, and how they work at a physical level

  • Hands-on experience in digital and analog electronic circuit design, troubleshooting, and testing

  • Proficient with standard electrical test equipment such as DMM, oscilloscope, function generator, etc

  • Ability to build prototypes, construct electrical panels, perform wiring, and cable routing

  • Self-awareness, integrity, authenticity, and a growth/entrepreneurial mindset

Preferred Experience

  • Proficiency with Electrical CAD software such as EPLAN, Zuken, AutoCAD Electrical, Solidworks Electrical, OrCAD, Altium, etc.

  • Proficiency in designing PCB assemblies

  • Experience with a programming language such as Python, Structured Text, Ladder Logic, C# or C

  • Exposure to 3D CAD software such as SolidWorks, Inventor, Fusion 360

This is Cellares

Cellares is the first Integrated Development and Manufacturing Organization (IDMO) and takes an Industry 4.0 approach to mass manufacturing the living drugs of the 21st century. The company is both developing and operating integrated technologies for cell therapy manufacturing to accelerate access to life-saving cell therapies. The company’s Cell Shuttle integrates all the technologies required for the entire manufacturing process in a flexible and high-throughput platform that delivers true walk-away, end-to-end automation. Cell Shuttles will be deployed in Cellares’ Smart Factories around the world to meet total patient demand for cell therapies at global scale. Partnering with Cellares enables academics, biotechs, and pharma companies to accelerate drug development and scale out manufacturing, lower process failure rates, lower manufacturing costs, and meet global patient demand.
The company is headquartered in South San Francisco, California with its commercial-scale IDMO Smart Factory in Bridgewater, New Jersey. The company is backed by world-class investors and has raised over $355 million in financing.

Leveling will be based on overall experience, education, and demonstration of knowledge throughout the interview process.

Compensation (from employer):
90000–210000 USD per year

About this role

Summary

Lead electrical design, documentation, validation for automation equipment in cell therapy manufacturing

Job title

Senior Electrical Engineer (I, II, III)

Experience level

7+ years or 5+ years with master's

Industry

healthcare

Location requirements

South San Francisco, CA; remote work not specified

Salary

90000–210000 USD per year

Visa sponsorship

H-1B sponsor history

Management role

No

Skills & keywords

Required skills

Electrical EngineeringAC DC powerPLC platformsdigital communicationelectronic circuit

Preferred skills

electrical CADPCB designPython3D CAD

Specializations

electrical designautomationpower distributionPCB designPLC
Locations

Structured locations inferred from the posting.

South San Francisco, CA, USA

On-site City
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