Laboratory Assistant
Kariusdx
| Company | Kariusdx |
| Category | Science & Research |
| Location | Redwood City |
| Remote | On-site (inferred) |
| Employment | Full-time |
| Level | Not stated |
| Salary | USD 21.4–32.1 |
| Posted | 16 Jun 2026 |
| Last verified | 30 Jul 2026 |
| Source | Employer career page (lever) |
Description
About Karius
Karius is a life science, venture-backed clinical metagenomics company, focused on elevating patient care through microbial insights. We are committed to advancing diagnostic science and technology to optimize the diagnosis and treatment of infectious diseases. Through the use of genomics and AI, we are driven to improve the diagnostic landscape for infectious diseases. Karius delivers unprecedented diagnostic insight detecting microbial cell-free DNA circulating in the body to assist physicians to make rapid treatment decisions.
Position Summary:
The Laboratory Assistant (LA) is an enthusiastic, self-motivated individual with great communication skills. Along with the duties described below, this individual performs sample receiving and accessioning, performs routine preventive equipment and instrument maintenance, and assists in the performance of high complexity laboratory testing on patient specimens under the direct supervision of a CLS. The LA must demonstrate a high level of individual responsibility and accountability and possess the ability to perform to the requirements listed below. The LA must be comfortable in a rapidly evolving Biotech start-up environment.
Shift: Tuesday to Saturday, 7:00 am to 3:30 pm
Why Should You Join Us?
Karius aims to conquer infectious diseases through innovations around genomic sequencing and machine learning. The company’s platform is already delivering unprecedented insights into the microbial landscape, providing clinicians with a comprehensive test capable of identifying more than a thousand pathogens directly from blood, and helping industry accelerate the development of therapeutic solutions. The products Karius offers today are some of the most advanced solutions available to physicians who aim to deliver better care to many otherwise ineffectively treated patients. Our tests are the result of some incredible work done by our scientists, statisticians, engineers, and physicians, all driven by the same mission. You, as part of the Karius team, will be able to see how directly your work has a life-changing impact on people, and at scale.
Reports to: Sr. Manager, Clinical Laboratory Operations
Location: Redwood City, CA
Primary Responsibilities:
Under direct supervision of licensed personnel, perform selected specimen preparation and similar tasks as determined by laboratory management
Receive, unpackage, and accession inbound samples per relevant SOPs; collaborate with the customer support team to obtain information necessary to complete the accessioning process
Receive, catalog, and label incoming shipments of materials and reagents in accordance with established procedures and handling requirements; communicate receipt of critical materials or reagents to appropriate laboratory personnel in accordance with established procedures
Maintain in-lab stocking levels to support day-to-day laboratory operations, including processing newly received materials upon arrival and maintaining appropriate storage conditions
Perform and document routine equipment and laboratory maintenance, including cleaning activities, per established schedules; communicate observed issues to supervisory or laboratory leadership personnel
Support regulatory compliance through adherence to laboratory policies and procedures, and accurately document work performed
Update laboratory SOPs as directed
Identify and escalate process improvement opportunities as appropriate
Perform additional duties as assigned by supervisory or laboratory leadership personnel
What’s Fun About the Job?
Karius is operating at the edge of what is now known to be possible in diagnostics. With that, comes a wave of new and incredible challenges and opportunities. To deliver on that value, you will be tapping into some of the most advanced technologies, architecting and innovating where the current solutions simply don't suffice. You will get to see how much your work really matters.
Travel: No
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