Senior Controls Engineer


Posted on 5/24/2024



51-200 employees

Integrated platform for cell therapy manufacturing

Data & Analytics


San Bruno, CA, USA

Required Skills
Operating Systems
  • Bachelors or Masters degree in Computer Engineering, Computer Science, Software Engineering, Electrical Engineering or equivalent experience is required
  • 5+ years industry experience developing control systems for customer-shippable life science instrumentation or comparable equipment
  • 2+ years of experience in medical device design preferred
  • Experience as a technical/engineering lead on multiple projects incorporating motion control and basic process control
  • Experience with at least one major PLC platform (Siemens TIA Portal, Beckhoff TwinCAT3, B&R) or experience with hardware control using real-time operating systems (RTOS) such as VXWorks, QNX, INtime, etc
  • Proficient with IEC 61131-3 based languages with a focus on Structured Text
  • Proficient with object-oriented programming and have an understanding of how to apply OOP concepts to control software
  • Experience implementing and developing coding standards around industry standard control implementations, for example implementations following the ISA-88 hierarchical model
  • Experience reading and interpreting electrical drawings
  • Hands-on experience with wiring, configuring, and troubleshooting electrical and control systems
  • Proficient in the design of safety systems following IEC/ISO/RIA standards
  • Understanding of the proper integration and usage of safety relays, safety PLCs, light curtains, E-Stops, etc
  • Experience with fieldbus technologies such as EtherCAT, Profinet, EtherNet/IP
  • Experience with one computer programming language such as Python, C#, Java
  • Desire to work in a fast-paced, collaborative start-up environment
  • Self-awareness, integrity, authenticity, and a growth mindset
  • Lead the development of control systems integrating custom and off-the-shelf laboratory instruments and PLC-based control hardware
  • Drive component selection, prototyping, bring-up, debugging, documentation, manufacturing and test
  • Develop PLC control software using Structured Text and leveraging object-oriented programming methodologies
  • Develop unit tests and functional tests for PLC code that you write, participate in code reviews, and leverage Git for version control and code management
  • Participate in design reviews and provide input to identify issues and drive design choices
  • Collaborate with the software team to develop robust, well-documented software interfaces to hardware
  • Collaborate with external stakeholders including Systems Engineering, Quality, Mechanical Engineering, Process Development, etc. for project planning, requirements development, and architecture development
  • Collaborate with external suppliers and contract manufacturers
  • Develop test software in Python, C# or other languages to validate subsystems during manufacture

Cellares offers the Cell Shuttle, an integrated platform for cell therapy manufacturing, utilizing Industry 4.0 technologies to enable true walk-away, end-to-end automation, modular hardware, purpose-built process design software, and scalable manufacturing from preclinical to commercial scale, resulting in reduced process failure rates and up to 70% cost reduction compared to manual processes. The company aims to accelerate access to life-saving cell therapies by deploying Cell Shuttles in Smart Factories globally, partnering with academia, biotechs, and pharma companies to lower manufacturing costs and meet global patient demand.

Company Stage

Series C

Total Funding



South San Francisco, California



Growth & Insights

6 month growth


1 year growth


2 year growth