Life Science Tools Test Engineer (Prototype & Lab)

Unchained Labs; Pleasanton (CA); On-site; USD 70,000 - 80,000; Full time

Job summary

Unchained Labs is seeking a test-focused engineer to lead the testing efforts for a product line from design to verification. You will collaborate with scientists, software developers, and hardware engineers to validate prototypes and ensure robust stability before release.

You will develop test methods, analyze results, and document findings while working on-site at the Pleasanton office most days to support lab and prototype development activities.

Qualifications

• 1 to 3 years of relevant engineering experience.
• Experience with CAD and familiarity with PDM systems.
• Hands-on experience with machine shop equipment and tools.
• Experience with wiring and soldering.
• Experience integrating electronics with mechanical systems.
• Experience with life science tools is a plus.
• Experience with firmware, software, or scripting is a plus.
• Excellent documentation, organizational, teamwork, troubleshooting, problem solving, and communication skills.
• Be flexible and ready when the going gets tough to help us meet customer needs.

Responsibilities

• Apply engineering principles and independent judgment to develop and evaluate prototypes supporting next-generation products across the organization.
• Develop test methods, experimental plans, and acceptance criteria to evaluate prototype performance and reliability.
• Analyze test results, investigate complex technical failures, and recommend design or process changes based on engineering findings.
• Design and improve prototype fixtures, tooling, and assembly methods to address product development challenges.
• Evaluate engineering lab and prototype shop capabilities; recommend equipment, methods, and process improvements to support development priorities.
• Create engineering documentation, including test protocols, technical reports, design recommendations, and supporting analyses.
• Collaborate with engineering teams to evaluate technical alternatives and resolve product development issues.
• Perform prototype assembly, modifications, and testing in support of assigned engineering investigations.
• Unchained Labs supports a flexible work schedule. This role requires an on-site presence at our Pleasanton office most days to support laboratory and prototype development activities.

Skills

Documentation

Teamwork

Troubleshooting

Communication

Problem solving

Tools

CAD

PDM systems

Machine shop equipment

Wiring & soldering

Electronics integration

Firmware/ scripting

Job description

Unchained Labs is seeking a test-focused engineer to lead the testing efforts for a product line from design to verification. You will collaborate with scientists, software developers, and hardware engineers to validate prototypes and ensure robust stability before release.

You will develop test methods, analyze results, and document findings while working on-site at the Pleasanton office most days to support lab and prototype development activities.