NewTravel Respiratory Therapy Technician in San Diego, CA Concentric Healthcare StaffingTravel Respiratory Therapy Technician in San Diego, CASan Diego, CACommunicate patient status, observed changes, and responses to appropriate members of the healthcare team to expedite patient progress and promote quality outcomes. Document care within the scope of Respiratory Practice, maintaining accurate patient and department records including point-of-care documentation and charge entry.
NewTravel Medical Laboratory Technician (MLT) - $2,301 per week in San Diego, CA Cynet HealthTravel Medical Laboratory Technician (MLT) - $2,301 per week in San Diego, CASan Diego, CA$2,301Job Title: Clinical Lab Scientist Profession: Laboratory Specialty: Microbiology Duration: 13 weeks Shift: Day Hours per Shift: 8 Experience: Minimum 2 years of Microbiology experience required License: Valid state license required Certifications: ASCP-MB Must-Have: - Molecular Microbiology experience - Antibiotic Susceptibility Testing experience Description: The position requires a Clinical Lab Scientist with strong Microbiology background. Knowledge of PCR testing, including testing for various pathogens, is essential.
NewDistribution Engineering Supervisor LeidosDistribution Engineering SupervisorSan Diego, CA$73,450–$132,775As a valued team member, you can look forward to a fast paced, diverse work environment and flexible work hours/work arrangements, as well as managers who will encourage career development and growth opportunities, including Professional Engineer License (PE) , Project Management Professional (PMP) , Leadership training, Formal Mentorship Programs, Management opportunities. Perform engineering calculations such as: structural analysis for wood pole loading, guying calculations, specifying conductor sags and tensions for recommended spans, and calculation of voltage drop and flicker.
Life Science Technician II Flagship Facility ServicesLife Science Technician IISan Diego, CaliforniaPerforms unskilled Lab Services, Maintenance, Dock Services and assists in performing corrective work orders, preventative maintenance, and manual tasks such as moving equipment, offices, and materials. · Work with team to close out workspaces of former employees (cold storage, bench, etc.) and prepare for inbound hires.
Life Science Technician I Flagship Facility ServicesLife Science Technician ISan Diego, CaliforniaEnsuring relevant labware, consumables, supplies, and areas are properly stocked, cleaned, sterilized and/or maintained through use of appropriate equipment and processes. We're looking for someone with a great customer service mindset, excellent organizational skills, attention to detail, and who comes to work with a positive attitude ready to take on the day.
Equipment Technician, College of Science, Technology, Engineering and Mathematics California State University San MarcosEquipment Technician, College of Science, Technology, Engineering and MathematicsSan Marcos, CaliforniaThe Jeanne Clery Disclosure of Campus Security Policy and Campus Crime Statistics Act or Clery Act Notification can be found at https://www.csusm.edu/clery/annualreports.html . Applicants will be required to disclose whether they have received a final administrative decision or final judicial decision determining that they have committed sexual harassment within the last 7 years only after a determination is made that they meet the minimum qualifications for the position, and before an offer of employment is extended.
Equipment Technician, College of Science, Technology, Engineering and Mathematics CSUSM RecruitmentEquipment Technician, College of Science, Technology, Engineering and MathematicsSan Marcos, CaliforniaThe Jeanne Clery Disclosure of Campus Security Policy and Campus Crime Statistics Act or Clery Act Notification can be found at https://www.csusm.edu/clery/annualreports.html . Applicants will be required to disclose whether they have received a final administrative decision or final judicial decision determining that they have committed sexual harassment within the last 7 years only after a determination is made that they meet the minimum qualifications for the position, and before an offer of employment is extended.
Technician, Sensory Science - San Diego, CA DSM Nutritional Products Asia Pacific Pte LtdTechnician, Sensory Science - San Diego, CASan Diego, CA$65,000–$75,000 / yearJoin our flavor discovery team in this entry-level role that supports a wide variety of research project activities onsite in our taste lab. Whether it's fragrance that helps you focus, alternative meat that's better for the planet, or reducing sugar without losing flavor, this is where you help shape the future of nutrition, health, and beauty for everyone, everywhere.
Equipment Technician, College of Science, Technology, Engineering and Mathematics CSU CareersEquipment Technician, College of Science, Technology, Engineering and MathematicsSan Marcos, CaliforniaThe Jeanne Clery Disclosure of Campus Security Policy and Campus Crime Statistics Act or Clery Act Notification can be found at https://www.csusm.edu/clery/annualreports.html . Applicants will be required to disclose whether they have received a final administrative decision or final judicial decision determining that they have committed sexual harassment within the last 7 years only after a determination is made that they meet the minimum qualifications for the position, and before an offer of employment is extended.
LIS Sr Technician - Life Sciences Client Site Cbre ValuationLIS Sr Technician - Life Sciences Client SiteSan Diego, CAWhat You'll Do: Perform routine maintenance, repair, and calibration on a variety of laboratory equipment, including HPLC/ UPLC systems, LCMS systems, gas chromatographs, incubators, centrifuges, and microscopes. Requires knowledge, training, and experience related to analytical instrumentation to include HPLC/UPLC systems, gas chromatographs, LCMS systems.
Biological Sciences: Contract Instructor-College Credit San Diego Community College DistrictBiological Sciences: Contract Instructor-College CreditSan Diego, CA$6,933.44–$8,849.03Closing Date: 08/17/2026 Open Until Filled No Classification Title Biological Sciences: Contract Instructor-College Credit Working Title Biological Sciences: Contract Instructor College Credit Recruitment Limits Location San Diego Miramar College Pay Information. San Diego Miramar College, a leader in providing student access and success, seeks candidates who are motivated by serving students in a college community and are committed to diversity, equity, and inclusion (DEI).
Data Science and AI Intern AMETEK, IncData Science and AI InternSan Diego, CAFull timeThe scope also includes rigorous end-to-end testing-validating data lineage from model outputs through staging, semantic layers, and dashboard elements, plus regression and UAT across core user journeys (planner start-of-day, buyer escalation, ops review)-and a robust data validation layer with field-level checks (nulls, outliers, duplicates), schema tests, freshness SLAs, and confidence scoring with flags for low-quality signals. This project scope encompasses visualization enhancements to the AI dashboards-including refined layouts, consistent color semantics for risk severity and confidence, intuitive drill-downs, quick filters, contextual tooltips, and baseline-vs-predicted comparison views.
Clinical Laboratory Technician I Helix OpCo LLCClinical Laboratory Technician ISan Diego, CARemote$29–$36 / hourAs a Clinical Laboratory Technician I, youll be on the floor executing the workflows that make that scale possible: Whole Exome, Whole Genome, and Proteomics assays running in a CLIA-certified, CAP-accredited environment built for high throughput. The Helix clinical laboratory processes genomic samples at a scale very few labs in the world can match, powering the diagnostic and screening tests that health system partners depend on every day.
Clinical Laboratory Technician I HelixClinical Laboratory Technician ISan Diego, CaliforniaRemoteAs a Clinical Laboratory Technician I, you'll be on the floor executing the workflows that make that scale possible: Whole Exome, Whole Genome, and Proteomics assays running in a CLIA-certified, CAP-accredited environment built for high throughput. The Helix clinical laboratory processes genomic samples at a scale very few labs in the world can match, powering the diagnostic and screening tests that health system partners depend on every day.
Urgent Care Medical Laboratory Technician (3, 12hr days/week) San Ysidro Health CenterUrgent Care Medical Laboratory Technician (3, 12hr days/week)Chula Vista, CATechnical Knowledge and Skills Required to Perform the Job: Familiarity and experience working with various laboratory instruments such as ISTAT; Piccolo; Chemistry Analyzer; Coulter or any CBC instruments; Urinalysis instruments, such as Clinitek or Seimens Urine analyzer; and/or Coagu-Check instruments. Essential Functions of the Job: Perform Proficiency testing and monitor quality control functions for waived and moderately complex tests and test that do not require microscopic analysis such as CBC differential count except for UA microscopic examination.
Laboratory Technician 1, Chemistry and Biochemistry DetailsLaboratory Technician 1, Chemistry and BiochemistrySan Diego, CaliforniaOther: Manage visiting groups (including summer, intersession, and high school groups) using chemistry laboratories: Arrange prep agreements with visiting users; Provide materials for visiting users as delineated in contracts; Provide safety training for visiting users and ensure that safety regulations are observed. Support includes the preparation of chemistry laboratory experiments, management of the associated labs and preparatory spaces, supervision and training of student workers, managing the chemical inventory and hazardous waste, and determining chemicals, equipment and supplies required for the specified courses.
Medical Laboratory Technician (MLT) LabcorpMedical Laboratory Technician (MLT)San Diego, CaliforniaAll job offers will be based on a candidate’s skills and prior relevant experience, applicable degrees/certifications, as well as internal equity and market data. If you are an individual with a disability who needs assistance using our online tools to search and apply for jobs, or needs an accommodation, please visit our accessibility site or contact us at.
Engineering Laboratory Technician DetailsEngineering Laboratory TechnicianSan Diego, CaliforniaDetailed Description: Reporting to the Mechanical Engineering Lab Manager, the Engineering Lab Technician is responsible for the maintenance, operation, and safety of equipment in the Industrial and Systems Laboratories, Mechanical Laboratories, and Electrical Laboratories. Governed by an independent board of trustees since 1972, USD remains committed to a liberal arts education grounded in the Catholic intellectual tradition and the pursuit of truth, goodness and beauty.
Southeast San Diego Senior Medical Laboratory Technician San Ysidro Health CenterSoutheast San Diego Senior Medical Laboratory TechnicianSan Diego, CAPosition Summary: Under direct supervision of the Lab Management Team, performs quality control and assists in patients testing when needed; operates and maintains point of care lab equipment (CLIA waived and moderate complexity testing); conducts problem resolution, supply inventories and record keeping; renders excellent and effective communication to laboratory internal and external customers. Technical Knowledge and Skills Required to Perform the Job: Familiarity and experience working with various laboratory instruments such as ISTAT; Piccolo; Chemistry Analyzer; Coulter or any CBC instruments; Urinalysis instruments, such as Clinitek or Seimens Urine analyzer; and/or Coagu-Check instruments.
Calibration Technician MindlanceCalibration TechnicianSan Diego, CA$25.15–$31.44 / hourPreferred Qualifications: All of the minimum qualification areas is preferred, along with support experience in four or more of the following advanced calibration areas: - Digital signal generator calibration (LTE and TD-SCDMA). The role involves performing a wide range of calibrations on electronic and mechanical test equipment while ensuring compliance with applicable specifications, procedures, and accreditation requirements.
Medical Laboratory Technician (MLT) Labcorp Holdings IncMedical Laboratory Technician (MLT)San Diego, CA$26–$31 / hourIf you are an individual with a disability who needs assistance using our online tools to search and apply for jobs, or needs an accommodation, please visit our accessibility site or contact us at Labcorp Accessibility. All job offers will be based on a candidate's skills and prior relevant experience, applicable degrees/certifications, as well as internal equity and market data.
NewLab Technician III TalentBurst, Inc.Lab Technician IIISan diego, CA$27.12–$29.38 / hourUnder close supervision, the Production Support Technician performs production support activities to help meet manufacturing goals while following established Good Manufacturing Practice (GMP) guidelines. This entry-level role is ideal for candidates currently pursuing a degree in Biology, Chemistry, or a related scientific field and looking to gain hands-on laboratory and manufacturing experience.
Bio-Technician II General AtomicsBio-Technician IIPoway, CATypically requires an associate''s degree in related discipline and one or more years of related experience working in an academic or industrial biology or microbiology laboratory. The individual works with an interdisciplinary team, maintains project notes and Design History Files, and presents updates to the Research and Development team and management.
RESEARCH TECHNICIAN - Lippi Lab The Scripps Research InstituteRESEARCH TECHNICIAN - Lippi LabSan Diego, CA$18.67–$24 / hourWe have pioneered new conceptual and technological frameworks to interrogate these mechanisms, including inducible and reversible global microRNA loss-of-function, cell type-specific microRNA-target interaction mapping, scalable manipulation of individual regulatory elements, and single-cell, isoform-sensitive measurements of translation in vivo (Zolboot et al. POSITION SUMMARY: The Lippi lab at Scripps Research seeks a Research Technician as part of a growing team of investigators studying how post-transcriptional mechanisms instruct brain development and function.
RESEARCH TECHNICIAN - SAEZ The Scripps Research InstituteRESEARCH TECHNICIAN - SAEZSan Diego, CA$18.67–$24 / hourThis significant milestone marks a century of seminal discoveries in immunology, infectious diseases (such as COVID-19, flu, HIV), neuroscience, heart disease, cancer, and more. Located in La Jolla, California, the institute houses six research departments, multiple Nobel laureates, a top-ranked graduate school and a leading postdoctoral training program.
Part-Time Medical Lab Technician Instructor Southwestern CollegePart-Time Medical Lab Technician InstructorNational City, CA$72.85–$105.85 / hourIncumbents exhibit an equity-minded focus, responsiveness, and sensitivity to and understanding of the diverse academic, socioeconomic, cultural, gender identity, sexual orientation, and ethnic backgrounds of community college students, and employees, including those with physical or learning disabilities, and successfully foster and support an inclusive educational and employment environment. An applicant who does not possess the minimum educational degree or holds a degree that does not match the exact degree title(s) listed under "Minimum Qualifications," may have their educational preparation reviewed to determine if it is equivalent to the breadth and content of coursework typical of the required degree(s).
Molecular Diagnostics Technician I - San Diego Zoo Wildlife Alliance San Diego Zoo Wildlife AllianceMolecular Diagnostics Technician I - San Diego Zoo Wildlife AllianceEscondido, CAThe Molecular Diagnostics Technician I is responsible for carrying out laboratory activities, molecular based diagnostics for infectious disease for internal and external customers, and/or training initiatives in various areas of wildlife health and conservation research. The Disease Investigations (DI) Department (Wildlife Health, San Diego Zoo Wildlife Alliance) is looking for a molecular diagnostics technician I to join our Molecular Diagnostics Laboratory at the Beckman Center for Conservation Research, Escondido, CA.
Calibration Technician eTeam Inc.Calibration TechnicianSan Diego, CA$31.44 / hourThe role involves performing a wide range of calibrations on electronic and mechanical test equipment while ensuring compliance with applicable specifications, procedures, and accreditation requirements. All of the minimum qualification areas is preferred, along with support experience in four or more of the following advanced calibration areas: - Digital signal generator calibration (LTE and TD-SCDMA).
Calibration Technician Artech LLCCalibration TechnicianSan Diego, CA$25–$29 / hourThe role involves performing a wide range of calibrations on electronic and mechanical test equipment while ensuring compliance with applicable specifications, procedures, and accreditation requirements. The Calibration Technician operates in a fast-paced laboratory environment requiring strong multitasking ability, technical expertise, and minimal supervision.
NewEngineering Technician 3-USD MindlanceEngineering Technician 3-USDSan Diego, CAThis uniquely integrated R&D environment bridges exploratory science with translational engineering, allowing technical contributions to directly influence current products while shaping future platforms-advancing meaningful, real-world impact for our customers every day. Looking for good communicators, team players, able to use a computer, experience using equipment, manufacturing experience, base level equipment trouble shooting (preferred: chemical handling experience, medical manufacturing experience).
Facilities Technician - San Diego Facilities · San Diego PolyPeptide Laboratories IncFacilities Technician - San Diego Facilities · San DiegoSan Diego, CA$22–$24 / hourIn this role, you'll support day-to-day facility operations, perform maintenance and repairs, assist laboratory and manufacturing teams, and play a key role in safety, environmental, and emergency response efforts. If you enjoy hands-on work, take pride in keeping operations running smoothly, and want to grow your skills in a regulated manufacturing environment, we'd love to hear from you.
RESEARCH TECHNICIAN - Lippi Lab Scripps ResearchRESEARCH TECHNICIAN - Lippi LabSan Diego, CA$18.67–$24 / hourPart timeWe have pioneered new conceptual and technological frameworks to interrogate these mechanisms, including inducible and reversible global microRNA loss-of-function, cell type–specific microRNA–target interaction mapping, scalable manipulation of individual regulatory elements, and single-cell, isoform-sensitive measurements of translation in vivo (Zolboot et al. Ensure laboratory personnel are maintaining a clean, organized workspace, upkeep laboratory inventory by ordering reagents and other supplies and place maintenance requests for laboratory apparatus and facility.
RESEARCH TECHNICIAN - SAEZ Scripps ResearchRESEARCH TECHNICIAN - SAEZSan Diego, CA$18.67–$24 / hourPart timeThis significant milestone marks a century of seminal discoveries in immunology, infectious diseases (such as COVID-19, flu, HIV), neuroscience, heart disease, cancer, and more. Located in La Jolla, California, the institute houses six research departments, multiple Nobel laureates, a top-ranked graduate school and a leading postdoctoral training program.
Flight Assembly Technician Malin Space Science Systems, Inc.Flight Assembly TechnicianSan Diego, CA$28–$31 / hourMalin Space Science Systems (MSSS) is a private technology company that designs, develops and operates space camera systems for government and commercial aerospace customers and provides services in spacecraft instrument operations and space science research. As a member of our multidisciplinary space imaging systems design team, the Flight Assembly Technician is responsible for high-level assembly of prototype and spaceflight electronics under the direction of Production Supervisor or Production Management.
Flight Assembly Technician (SMT/XRAY/AOI/Parylene) Malin Space Science Systems, Inc.Flight Assembly Technician (SMT/XRAY/AOI/Parylene)San Diego, CA$32–$34 / hourAs a member of our multidisciplinary space imaging systems design team, the Flight Assembly Technician is responsible for high-level assembly of prototype and spaceflight electronics under the direction of the Production Manager, utilizing applicable preferred certifications and technical expertise to run production equipment. Malin Space Science Systems (MSSS) is a private technology company that designs, develops and operates space camera systems for government and commercial aerospace customers and provides services in spacecraft instrument operations and space science research.
NewLab Technician III HonorVet TechnologiesLab Technician IIISan Diego, CA$27.12–$29.38 / hourWith strong delivery capabilities and rapid turnaround times, we support contract, direct hire, project-based, and consulting staffing needs across clinical research, pharmacovigilance, regulatory affairs, quality assurance, quality control, medical affairs, manufacturing, validation, and scientific operations. HonorVet Technologies (SDVOSB) provides specialized and scalable staffing solutions to pharmaceutical companies, medical device companies, biotech organizations, CROs, research laboratories, and life sciences organizations across the United States.
HUSBANDRY TECHNICIAN I Sanford Burnham Prebys Medical Discovery InstituteHUSBANDRY TECHNICIAN ISan Diego, CAMust wear institute supplied scrubs, face mask, shoe covers and hair bonnet as well as other task-related personnel protective equipment including face shield or goggles, heat resistant autoclave gloves, nitrile or chemical resistant gloves, apron, and back support belt. Ability to perform repetitive motions with arms, wrists and hands; regular bending and lifting, sitting and standing on hard floor surfaces and pushing and pulling of carts loaded with caging and accessories.
Senior Biorepository Technician (Located in San Diego, CA) Azenta IncSenior Biorepository Technician (Located in San Diego, CA)San Diego, CA$30–$35 / hourWe are a market leader in automated bio sample management solutions and genomic services across areas such as drug development, clinical and advanced cell therapies for the industry's top pharmaceutical, biotech, academic and healthcare institutions globally. We provide unparalleled capabilities with our lab analysis, sample management and storage services, informatics software, and consumables, with the largest installed base managing over 1 billion samples globally.
Pathology Technician I - 1 Year Temporary Association of Zoos and AquariumsPathology Technician I - 1 Year TemporaryEscondido, CAConducts post-mortem examinations (necropsies/ animal autopsies) on a wide variety of animals, collects tissue samples, and prepares detailed written reports of findings, under the supervision of a board certified veterinary pathologist. Organizes and maintains databases of pathology records, samples, and tissues; fulfills research sample requests; and ships samples to internal and external laboratories and researchers.
Media Prep Technician Jones Lang LaSalle IncMedia Prep TechnicianSan Diego, CAWhat this job involves: The Media Prep Technician manages and fulfills chemical and biological media orders in their entirety, including calculations, documentation, autoclaving, labeling, and delivery of sensitive formulations critical to experiments conducted by the research staff. Whether you've got deep experience in commercial real estate, skilled trades or technology, or you're looking to apply your relevant experience to a new industry, join our team as we help shape a brighter way forward.
Registered Veterinary Technician Companion Pet Partners, LLCRegistered Veterinary TechnicianLa Jolla, California$33–$35 / hourFull timeAs a general practice that also accepts walk-ins and urgent care, we provide diverse cases and skill-building opportunities while maintaining our commitment to excellent medical care with genuine compassion at the heart of everything we do. What Success Looks Like: Clinical Task Performance: Conducts physical exams, administer treatments, and performs diagnostic procedures, including collecting samples and running in-house lab tests.
Facilities Technician III Syner-GFacilities Technician IIISan Diego, CaliforniaThis role is responsible for performing advanced maintenance activities, troubleshooting complex issues across multiple building systems, and supporting reliability and compliance requirements in laboratory, manufacturing, and utility environments. The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job, including moderate noise level, an indoor temperate environment, and light levels that are bright and conducive to minimal eye strain, typical for an office environment.
Senior Biorepository Technician (Located in San Diego, CA) AzentaSenior Biorepository Technician (Located in San Diego, CA)San Diego, CaliforniaWe are a market leader in automated bio sample management solutions and genomic services across areas such as drug development, clinical and advanced cell therapies for the industry's top pharmaceutical, biotech, academic and healthcare institutions globally. We provide unparalleled capabilities with our lab analysis, sample management and storage services, informatics software, and consumables, with the largest installed base managing over 1 billion samples globally.
NewSurvey Technician NV5Survey TechnicianSan Marcos, CaliforniaOverview: NV5 is a provider of engineering and consulting services to public and private sector clients, delivering solutions through six business verticals: Testing, Inspection & Consulting; Infrastructure; Utility Services; Environmental Health Sciences; Buildings & Program Management; and Geospatial Technology. Understands how to implement field work tasks performing marine biological assessments, including ability to drive a boat and trailer on field work assignments, and the ability to pull together all equipment needs, all with minimal supervision.
Technician III General AtomicsTechnician IIISan Diego, CAGeneral Atomics (GA), and its affiliated companies, is one of the world's leading resources for high-technology systems development ranging from the nuclear fuel cycle to remotely piloted aircraft, airborne sensors, and advanced electric, electronic, wireless and laser technologies. DUTIES AND RESPONSIBILITIES: Coordinate with multiple stakeholders (engineers, technicians, and physicists) to operate and maintain equipment such as pumps, compressors, vacuum pumps, associated instrumentation, and controllers.
NewAnimal Care Technician I Charles River Laboratories International IncAnimal Care Technician ISan Diego, CA$20–$22 / hourMaintain an organized and clean work environment including but not limited to animal rooms, common areas such as corridors, cage washrooms, procedure rooms, anterooms, storage areas and grounds by cleaning at prescribed intervals following established procedures. Perform animal husbandry duties to maintain quality and health of research animals, to include performing daily water bottle and cage checks; provide appropriate food and water; perform cage changing and/or cage cleaning as required; record animal health concerns per SOP and/or specified protocols.
Central Services Technician I Charles River Laboratories International IncCentral Services Technician ISan Diego, CA$21–$21.94 / hourExperience: Zero-six months experience working in a laboratory animal facility performing cage wash duties or working with glassware cleaning or a commercial dishwashing operation or operating large equipment. If you are interested in applying to Charles River Laboratories and need special assistance or an accommodation due to a disability to complete any forms or to otherwise participate in the resume submission process, please contact a member of our Human Resources team by sending an e-mail message to crrecruitment_US@crl.com.
Facilities Technician Dawar ConsultingFacilities TechnicianSan Diego, CaliforniaAnd you will be responsible for maintaining building systems, responding to maintenance requests, supporting utilities, and ensuring smooth facility operations. Our client, a world leader in biotechnology and life sciences, is looking for a “ Facilities Technician ” based out of San Diego, CA .
Lead Engineering Technician Stealth CoLead Engineering TechnicianSan Diego, CaliforniaThe ideal candidate is equally comfortable working with sophisticated mechanical assemblies and advanced electrical systems, enjoys hands-on technical problem solving, and thrives in a fast-paced, innovative engineering and R&D environment where priorities can evolve quickly. A BS/BA with 5 years or Associate Degree with 8 years of experience or a technical certification, or equivalent practical experience in Engineering Technology, Mechatronics, Electronics, Mechanical Technology, or a related technical field.
Lab Technician 1 FiltrousLab Technician 1Poway, CA$20–$22 / hourDefective products slip through: A single contaminated reagent or mislabeled vial that escapes inspection can ruin a customer's clinical test or research, and without a vigilant final check those mistakes reach the lab before anyone notices. • Batches drift out of spec: Solutions and PCR panels are made by hand, so any lapse in following the exact preparation and testing steps lets a lot fall short of specification and arrive at customers unreliable.