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Senior Electrical Engineer (I, II, III)



Other Engineering
San Francisco, CA, USA
Posted on Thursday, April 6, 2023
Position Summary
We are seeking an innovative and highly motivated electrical engineer who will contribute significantly to the development of our advanced cell therapy manufacturing platform. The focus of this position is both platform level power and signal distribution and low- to medium- complexity PCB design for Cell Therapy manufacturing products.
Development tasks will include prototyping, requirements definition, design, implementation, manufacturing, and test. This individual will interface across many parts of the company to develop novel products used in the cell therapy and gene therapy world.
Candidates should enjoy working in a fast-paced, mission-driven environment, and be prepared to tackle a broad selection of challenges as the company grows.


  • Create, modify and update schematics, BOMs, and PCB layouts for new products
  • Participate in architecture design and provide input on system requirements
  • Drive the selection and design of custom and prefabricated cables and wire harnesses
  • Participate in and run technical design reviews
  • Provide input in the compliance process to ensure designs meet applicable regulatory standards
  • Design test plans, test fixtures and test procedures for electrical and mechanical assemblies
  • Collaborate with external suppliers and contract manufacturers
  • Provide hands-on support for basic assembly and drive troubleshooting during prototyping and commissioning when needed
  • Participate in project planning, set personal objectives, and provide updates to internal and external stakeholders on project deliverables
  • Follow company processes for engineering change orders, design release, and quality documentation


  • Bachelors or Masters degree in Electrical Engineering or equivalent experience is required
  • 5+ years industry experience developing customer-shippable life science instrumentation or comparable products
  • Experience as a technical/engineering lead on multiple projects
  • Solid understanding of electrical design best practices, including electrical noise mitigation techniques and designing for electrical safety and EMI/EMC compliance
  • Familiar with EDA software such as OrCAD or Altium for schematic capture and layout
  • Familiar working in a product design environment with product data management (PDM) and product lifecycle management (PLM) tools as a part of the design lifecycle
  • Comfortable developing cable and wire harness designs for system interconnects
  • Excellent written and verbal communication skills
  • Ability to work in a fast-paced and dynamic environment
  • Self-awareness, integrity, authenticity, and a growth/entrepreneurial mindset

Nice to Haves

  • An understanding of standards such as UL 508A, NFPA 79 or UL 61010-1 and practical experience implementing electrical equipment following these standards
  • General exposure to control system techniques, PLC controlled equipment, and applicable industrial networks used in control system development
  • Familiar with implementing systems utilizing communication protocols such as EtherCAT, ProfiNet, EtherNet/IP, CAN, RS-232, RS-485
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.