1

Quantum Si Jobs in California (NOW HIRING)

Quantum-Si is seeking an experienced Senior Director of Engineering to drive innovation in next generation protein sequencing instrumentation and consumables. This leader will grow and develop the ...

Senior Director of Engineering

San Diego, CA · On-site

$275K - $300K/yr

Quantum-Si is seeking an experienced Senior Director of Engineering to drive innovation in next generation protein sequencing instrumentation and consumables. This leader will grow and develop the ...

Quantum-Si also offers a competitive benefits package designed to support employees' health, well-being, work-life balance, and family needs. Benefits include: * Comprehensive medical, dental, and ...

Accounts Payable Manager

San Diego, CA · On-site

$105K - $125K/yr

Quantum-Si also offers a competitive benefits package designed to support employees' health, well-being, work-life balance, and family needs. Benefits include: * Comprehensive medical, dental, and ...

Experience with packaging and signal integrity/power integrity (SI/PI) tools. * Understanding of ... In this role, you will be a key team member in the development of quantum control and measurement ...

Senior Engineer - Electrical

Pleasanton, CA · On-site

$119K - $155K/yr

IonQ's newest generation of quantum computers, the IonQ Tempo, is the latest in a line of cutting ... Drive component selection and routing to optimize signal integrity (SI), power integrity (PI ...

Senior Engineer - Electrical

Pleasanton, CA · On-site

$142K - $186K/yr

About Vector Atomic Vector Atomic, an IonQ company, is building quantum technology to transform ... Drive component selection and routing to optimize signal integrity (SI), power integrity (PI ...

... quantum-limit targets.Assess radiation tolerance and thermal behavior of photonic devices for ... Experience with hybrid integration (III-V on Si, micro-transfer printing) or co-packaged optics.

next page

Showing results 1-20

Quantum Si information

What is a Quantum Si?

Quantum-Si is a biotechnology company that specializes in next-generation protein sequencing technology. The company develops and provides tools to analyze proteins at the single-molecule level using quantum tunneling and semiconductor technology. This enables researchers and clinicians to gain deeper insights into the proteome, potentially transforming diagnostics and drug discovery. Quantum-Si's products aim to make protein sequencing more accessible, accurate, and comprehensive compared to traditional methods.

What are the key skills and qualifications needed to thrive as a Quantum Si scientist or engineer?

To excel at Quantum Si, professionals typically need a strong background in molecular biology, biochemistry, or related life sciences, often with advanced degrees (M.S. or Ph.D.). Familiarity with next-generation sequencing technologies, data analysis software, and laboratory instrumentation is highly valued. Attention to detail, problem-solving abilities, and effective communication are essential soft skills for success in this innovative environment. These qualifications are critical for advancing protein sequencing technology and ensuring high-quality scientific results in a fast-paced biotech setting.

What are some common challenges faced by professionals working in Quantum Si roles, and how can they be addressed?

Professionals in Quantum Si (quantum silicon) roles often encounter challenges such as staying current with rapidly evolving quantum technologies, troubleshooting complex experimental setups, and integrating quantum devices with classical systems. Collaborating closely with multidisciplinary teams—including physicists, engineers, and software developers—can help address these challenges by pooling expertise and fostering innovative problem-solving. Continuous learning through workshops, conferences, and research publications is also essential for staying ahead in this dynamic field.

What is the difference between Quantum Si vs Quantum Engineer?

AspectQuantum Si
Required CredentialsBachelor's or Master's in Physics, Electrical Engineering, or related fields; certifications in quantum computing are a plus
Work EnvironmentResearch labs, tech companies, startups focusing on quantum hardware and software development
Employer & Industry UsagePrimarily in tech, research institutions, and companies developing quantum processors

Quantum Si professionals focus on designing and developing quantum silicon-based hardware components, often working in research and development settings. Quantum Engineers have a broader role, including designing quantum algorithms, systems, and integrating hardware with software. While both roles require similar educational backgrounds, Quantum Si specialists are more hardware-focused, whereas Quantum Engineers work across hardware and software integration.

What are popular job titles related to Quantum Si jobs in California?

For Quantum Si jobs in California, the most frequently searched job titles are:

What job categories do people searching Quantum Si jobs in California look for?

The top searched job categories for Quantum Si jobs in California are:

What cities in California are hiring for Quantum Si jobs?

Cities in California with the most Quantum Si job openings:

Infographic showing various Quantum Si job openings in California as of August 2026, with employment types broken down into 87% Full Time, 11% Part Time, 1% Temporary, and 1% Contract. Highlights an 96% Physical, 2% Hybrid, and 2% Remote job distribution.

Senior Director of Engineering

Quantum-Si

San Diego, CA

$275K - $300K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 4 days ago


Job description

Quantum-Si is seeking an experienced Senior Director of Engineering to drive innovation in next generation protein sequencing instrumentation and consumables. This leader will grow and develop the engineering team to build well-designed instrumentation with high quality and reliability. The Senior Director of Engineering will oversee all aspects of mechanical, electrical, optical, and fluidics engineering, as well as consumable engineering, systems integration,. This role requires a strategic leader with a deep understanding of complex engineering disciplines and a proven track record of bringing innovative scientific instruments to market. The ideal candidate will possess exceptional leadership skills, technical expertise, and a passion for driving technological advancements in scientific instrumentation and consumables used to measure single molecules in biochemical assays.

As part of our team, your core responsibilities will be: 

  • Lead, mentor, and develop high performing teams of engineers, systems integration scientists, and instrument software developers, fostering a culture of collaboration, creativity, quality, and continuous improvement
  • Develop and execute a comprehensive engineering strategy that aligns with the company's vision and business goals
  • Collaborate with other departments, including R&D, Commercial, and Operations, as well as 3rd party vendors to align engineering efforts with market needs and business goals
  • Oversee the planning, execution, and successful completion of engineering projects that are delivered on time, within scope, and within budget
  • Provide technical guidance and expertise in the development of scientific instruments, ensuring products meet rigorous quality and regulatory standards
  • Oversee the development of instrument control software and its integration with hardware and consumables
  • Lead the systems integration team to verify new instrumentation, consumables, and software, as well as maintain the existing fleet of instruments

Qualifications 

  • Bachelor's or master's degree in engineering or a related field.
  • Minimum of 8 years of experience in engineering leadership roles and 12 years of engineering experience, preferably within the biotechnology or scientific instrumentation industries.
  • Proven track record of managing complex engineering projects from concept to commercialization and transfer to manufacturing
  • Strong understanding of product development processes, quality assurance, and regulatory requirements.
  • Ability to work in a fast paced, dynamic environment and manage multiple priorities.
  • Exceptional communication skills, both written and verbal, with the ability to effectively communicate complex concepts to diverse audiences.
  • Excellent leadership and team management skills with a history of building and developing high performing teams.
  • Ability to travel up to 25% of the time.

The estimated base salary range for this position in the United States is $275,000- $300,000. In addition to base salary, full-time employees are eligible to participate in Quantum-Si's discretionary annual bonus program and may receive equity awards as part of the total compensation package.

Actual compensation will be determined based on a variety of factors, including, but not limited to, the position level, relevant skills, knowledge, experience, qualifications, geographic location, internal equity, and market data.

Quantum-Si also offers a competitive benefits package designed to support employees' health, well-being, work-life balance, and family needs. Benefits include:

  • Comprehensive medical, dental, and vision insurance coverage
  • Health Savings Account (HSA) and Flexible Spending Account (FSA) options, where applicable
  • Company-paid life and accidental death & dismemberment (AD&D) insurance
  • Short-term and long-term disability coverage
  • Employee Assistance Program (EAP) resources to support personal and professional well-being
  • Discretionary paid time off and company-paid holidays
  • Parental leave to support employees welcoming and caring for a new child
  • 401(k) retirement savings plan with both pre-tax and Roth contribution options

Additional Information

Candidates must be authorized to work in the United States. Quantum-Si does not provide employment-based immigration sponsorship of any kind for this position, including support for applicants currently pursuing permanent residency (Green Card sponsorship).

Quantum-Si does not accept unsolicited agency resumes.

Quantum-Si is an E-Verify and equal opportunity employer regardless of race, color, ancestry, religion, gender, national origin, sexual orientation, age, citizenship, marital status, disability or Veteran status. All your information will be kept confidential according to EEO guidelines.Â