Scientist, Immunoassay Development

ARK Diagnostics, Inc. is seeking a motivated Scientist to join our R&D team and contribute to the development of innovative in vitro diagnostic (IVD) assays. In this role, you will independently design, execute, and analyze laboratory studies supporting assay feasibility, development, optimization, and validation for immunodiagnostic products used in clinical decision-making.

The Scientist will apply expertise in biochemical and immunoassay techniques while exercising independent judgment in experimental design, data analysis, and troubleshooting. This position requires strong analytical thinking, attention to detail, and the ability to work both independently and collaboratively in a dynamic, cross-functional environment.

Key Responsibilities

• Contribute to the development of immunodiagnostic assay products through proof-of-concept, feasibility, development, and validation phases
• Independently plan, design, execute, and document laboratory studies, occasionally receiving guidance from senior scientists
• Apply biochemical and immunoassay techniques including bioconjugation, chromatography, protein purification, and dialysis
• Optimize assay formulations and analytical performance of reagents and assay systems
• Evaluate and qualify antibodies, conjugates, and other critical raw materials
• Perform statistical and graphical analysis of experimental data, identify inconsistencies, and propose solutions
• Troubleshoot complex experimental issues and recommend alternative technical approaches
• Perform routine laboratory procedures including pipetting, reagent preparation, buffer formulation, and dilution calculations
• Operate and maintain standard laboratory equipment such as centrifuges, spectrophotometers, pH meters, and analytical balances
• Support technology transfer to manufacturing, including scale-up or production activities when required
• Prepare technical documentation including reports, SOPs, and experimental summaries
• Present experimental results and technical findings to internal teams and management
• Provide technical guidance to junior staff and collaborate with cross-functional teams

• PhD in biology, immunology, chemistry, clinical chemistry, biochemistry, or other life science with some internship experience preferred; or MS degree in the above mentioned areas and at least three (3) years of experience; or BS degree in the above mentioned areas and at least five (5) years of experience.
• Academic training and direct experience in working in a biochemistry laboratory
• Experience with immunoassay technologies and assay development workflows
• Strong data management, statistical analysis, and data interpretation skills
• Excellent computer, mathematical, and statistical abilities
• Demonstrated critical thinking and problem-solving skills in experimental settings
• Strong organizational and prioritization skills with the ability to manage multiple projects
• Excellent communication and teamwork skills, with the ability to work independently and collaboratively

ARK Diagnostics, Inc. anticipates that the annual base salary for the Scientist position could range between $105,000-$113,000. Compensation will depend, in part, on the successful candidate’s credentials for the role, including education, qualifications, and type as well as length of experience. Any offered salary is also based on internal equity, internal position salary ranges, and market data. Annual base salary is just one piece of the total rewards program offered by ARK. Eligible roles come with a comprehensive benefits package and may also qualify for a variable annual bonus, contingent on company and/or individual performance in accordance with company policy.

Benefits

• 401(k) and 401(k) matching
• Health, dental, and vision insurance
• Health Savings Account (HSA) and Flexible Spending Account (FSA)
• Life insurance
• Paid time off
• Employee Assistance Program (EAP)
• Tuition reimbursement
• Referral program

Onsite Work Requirements

This position is fully onsite at our Fremont, CA facility.