Proteus Platform Systems Integration Engineer II/III

Quantum--s; San Diego (CA); On-site; USD 90,000 - 130,000; Full time

Benefits offered by this job

Medical, dental, vision

HSA/FSA

Life insurance

Disability insurance

EAP

Paid time off

Parental leave

401(k)

Job summary

Quantum-Si seeks a Systems Integration Engineer to drive end-to-end integration testing and analysis for Proteus, ensuring performance across hardware, software, optics, and reagents. The role emphasizes hands-on execution, troubleshooting, and collaboration with multi-disciplinary teams.

Responsibilities include developing test plans, performing data-driven analysis, and documenting findings to support product reliability and field readiness.

Qualifications

• Bachelor’s degree in engineering (Electrical, Mechanical, Systems, Biomedical, or related field). Master’s degree is a plus.
• 2–5 years of experience in system integration, testing, or related engineering roles.
• Experience integrating and debugging complex instrumentation involving hardware, software, firmware, optics, lasers, fluidics, motion control, consumables, and reagents.

Responsibilities

• System Integration Testing: Execute and support end-to-end integration testing for Proteus across hardware, software, firmware, optics, fluidics, consumables, reagents, and workflows.
• Troubleshooting: Identify and resolve moderately complex system integration issues using structured root-cause methods and instrument data.
• Test Plan Development: Assist in creating, refining, and executing test plans, protocols, and acceptance criteria to improve validation and reliability.
• Cross-Functional Collaboration: Work with engineering, R&D, software, applications, customer success, and operations to resolve interdependencies.
• Data Analysis & Reporting: Collect, analyze, interpret instrument performance data and prepare technical summaries for stakeholders.
• Workflow Evaluation: Assess instrument performance in customer-relevant workflows, including sample prep interfaces and data handoff.

Skills

System integration

Troubleshooting

Data analysis

Cross-functional collaboration

Experimentation

Education

Bachelor’s degree in engineering

Master’s degree is a plus

Tools

Python

JMP

Minitab

Job description

Quantum-Si seeks a Systems Integration Engineer to drive end-to-end integration testing and analysis for Proteus, ensuring performance across hardware, software, optics, and reagents. The role emphasizes hands-on execution, troubleshooting, and collaboration with multi-disciplinary teams.

Responsibilities include developing test plans, performing data-driven analysis, and documenting findings to support product reliability and field readiness.