Demo

Senior Operational Technology Engineer

Cellares
South San Francisco, CA Full Time
POSTED ON 4/17/2026
AVAILABLE BEFORE 5/15/2026
We are seeking a hands-on Senior Operational Technology Engineer to lead and support IT/OT operations in a global cell therapy manufacturing lab environment.

This role is responsible for end-to-end OT infrastructure, including network and security on proprietary equipment, while ensuring secure access management, compliant change control, and 24x7 operations. The ideal candidate will combine deep technical expertise with strong leadership to drive system reliability, scalability, and regulatory compliance across multiple sites.

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.

Responsibilities

  • Manage and deliver OT systems and technology for the company’s industrial and cell manufacturing environments
  • Own and maintain a robust OT roadmap, including project objectives, prioritization, and implementation plans
  • Ensure OT production environments adhere to security best practices and comply with relevant regulations
  • Provide hands-on technical support and troubleshooting for production-related OT/IT issues, ensuring minimal disruption to 24x7 operations
  • Implement and monitor OT production systems to guarantee 24x7 uptime and reliability, including network, server, biotech manufacturing lab, and proprietary equipment
  • Develop and deliver training programs for new OT staff relating to production environment
  • Contribute to creating, maintaining SOPs, Policies, and Process
  • Lead and support GMP-related activities, including change control, system validation, qualification (IQ/OQ/PQ), and audit readiness
  • Own OT access management processes, including user provisioning, role-based access control, and periodic access reviews to ensure compliance with GxP, data integrity, and cybersecurity requirements
  • Ensure compliance with industry regulations, standards, and best practices related to OT and data security
  • Provide backup support to Corporate IT as needed to ensure continuity of enterprise IT services

Requirements

  • Bachelor's Degree in related field or proper training
  • 7 years of relevant experience
  • Proven experience in IT management with a manufacturing or industrial setting, with a strong focus on 24x7 operational support
  • Experience with monitoring, server management, and cybersecurity best practices
  • Experience with Fortigate firewalls, Hirschmann industrial switches, lab and warehouse equipment
  • Experience with various applications such as Nutanix Prism, SharePoint, and JIRA
  • Experience working in a biotech regulated environment
  • Knowledge of and experience with current Good Manufacturing Practices (cGMP) required
  • Ability to independently prioritize work and deliver results effectively in a fast-paced environment.
  • Ability to be a strong problem-solving skills and the ability to work under pressure
  • Requires availability for on-call support and extended hours during critical system issues to maintain 24x7 operations
  • Self-awareness, integrity, authenticity, and a growth/entrepreneurial mindset

$90,000 - $210,000 a year

Cellares total compensation package contains competitive base salaries, highly subsidized Medical, Dental, and Vision Plans, 401(k) Matching, Free EV Charging, Onsite lunches, and Stock options. All displayed pay ranges are approximate, negotiable, and location dependent.

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.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

Salary : $90,000 - $210,000

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