Assay Design Technologist

📍 Job Overview

Job Title: Assay Design Technologist

Company: Caris Life Sciences

Location: Phoenix, AZ, United States

Job Type: FULL_TIME

Category: Life Sciences Operations / Assay Development

Date Posted: 2026-06-02T00:00:00

Experience Level: 4+ Years (Mid-Level)

Remote Status: On-site

🚀 Role Summary

• Spearhead the design and implementation of automated workflows and novel assays within a cutting-edge precision medicine environment, leveraging molecular science and AI.

• Drive the validation of new assays and methodologies, ensuring robust and reproducible results that contribute to improved patient outcomes.

• Execute and manage complex experimental protocols, analyze critical data, and interpret findings to inform strategic decisions and product development.

• Facilitate cross-functional collaboration and external vendor communication to ensure seamless integration of assay development with broader company objectives and regulatory compliance.

📝 Enhancement Note: The role of Assay Design Technologist at Caris Life Sciences is positioned at a mid-level, requiring a foundational understanding of scientific principles combined with practical, hands-on experience in assay development and automation. The emphasis on "automating workflow and assay design" suggests a need for candidates who can not only execute but also optimize and streamline existing processes, aligning with the broader GTM and operations focus on efficiency and scalability. The "Director or above" supervision indicates a level of autonomy and expectation for independent problem-solving.

📈 Primary Responsibilities

• Design, develop, and implement automated assay workflows and protocols, ensuring alignment with company objectives and technological advancements in precision medicine.

• Conduct comprehensive assay and method validation studies, generating data to support the efficacy, accuracy, and reliability of new molecular assays.

• Investigate, evaluate, and propose innovative approaches, methodologies, and technologies to enhance assay performance and expand diagnostic capabilities.

• Manage and coordinate experimental execution, including sample and reagent tracking, troubleshooting complex issues, and meticulous data analysis and interpretation.

• Collaborate effectively with research associates, cross-functional teams (e.g., R&D, Operations, Bioinformatics), and external vendors to facilitate project progression and knowledge sharing.

• Contribute to the development and documentation of validation reports, standard operating procedures (SOPs), and technical documentation to support regulatory requirements and internal quality standards.

• Present scientific findings and experimental results clearly and concisely at internal meetings and potentially at external scientific forums or publications.

• Train laboratory personnel on new assay designs, workflows, and best practices to ensure consistent execution and knowledge transfer.

• Maintain a strong understanding of laboratory safety procedures, quality control protocols, and relevant regulatory guidelines (e.g., CLIA, CAP, if applicable).

📝 Enhancement Note: The responsibilities highlight a blend of scientific rigor and operational execution. The emphasis on "investigate, evaluate, and propose new approaches" indicates a proactive role in process improvement and innovation, crucial for GTM roles focused on scaling operations. "Sample and reagent tracking" points to the operational need for meticulous inventory management and workflow continuity.

🎓 Skills & Qualifications

Education:

• Bachelor's degree in a relevant scientific field (e.g., Molecular Biology, Biochemistry, Biotechnology, Genetics, Biomedical Engineering, or a closely related discipline). Experience:

• Minimum of 4 years of relevant professional experience in assay development, molecular biology, or a related life sciences laboratory setting.

• Demonstrated experience in experimental design, implementation, data analysis, and interpretation of molecular assays. Required Skills:

• Proficiency and hands-on experience with oligo-based assay design principles and bioinformatics tools relevant to assay development.

• Expertise in quantitative PCR (qPCR) methodologies, including digital PCR (dPCR) and droplet digital PCR (ddPCR).

• Proven ability to design, implement, and manage complex experiments, including troubleshooting and data analysis.

• Thorough understanding of assay and method validation principles and execution.

• Familiarity with automated workflow systems and automation principles in a laboratory setting.

• Proficiency in Microsoft Office Suite (Word, Excel, Outlook) and general internet usage for business purposes.

• Strong analytical and problem-solving skills, with the ability to manage multiple tasks in a fast-paced, deadline-driven environment.

• Excellent verbal and written communication skills, with the ability to articulate technical information effectively to diverse audiences.

• Knowledge of laboratory safety procedures for biohazards and chemicals, and quality control procedures.

• Demonstrated teamwork and collaboration skills, with a willingness to share knowledge and work effectively in cross-functional teams. Preferred Skills:

• Experience in high-throughput processing environments.

• Hands-on experience with molecular assays beyond PCR (e.g., sequencing, immunoassays).

• Proficiency with laboratory automation platforms and robotics.

• Familiarity with laboratory information management systems (LIMS) or sample tracking software.

📝 Enhancement Note: The skills list emphasizes core scientific competencies in molecular biology and assay design, which are foundational. The inclusion of "bioinformatics tools for oligo-based assay design" and "automated assay design methods" points to the operational aspect of streamlining and scaling assay development, aligning with GTM efficiency. The "Drive for Results" and "Teamwork" competencies are critical for roles requiring cross-functional collaboration and process optimization.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Case Studies in Assay Development: Showcase at least 2-3 detailed case studies demonstrating your involvement in the end-to-end assay design and validation process. For each case study, clearly outline the problem statement, your specific role and contributions, the methodologies employed (including automation where applicable), key challenges encountered, and the quantifiable outcomes or impact.

• Method Validation Examples: Include documentation or detailed descriptions of methods you have validated, emphasizing the validation parameters used (e.g., sensitivity, specificity, accuracy, precision, linearity) and the results achieved.

• Process Optimization Initiatives: Highlight instances where you identified inefficiencies in existing assay workflows or design processes and implemented improvements. Detail the process changes, the tools/technologies used, and the resulting improvements in efficiency, throughput, or data quality.

• Data Analysis & Reporting Samples: Provide anonymized examples of data analysis and reporting from experimental work. This could include statistical analyses, graphical representations of results (e.g., qPCR amplification curves, validation plots), and summary reports.

Process Documentation:

• Demonstrate experience in documenting experimental procedures, assay protocols, and validation reports with clarity, precision, and adherence to standard scientific or quality management system formats.

• Ability to contribute to the development and refinement of Standard Operating Procedures (SOPs) for assay design, execution, and validation processes.

• Experience in tracking and managing experimental reagents, samples, and data using appropriate laboratory information management systems (LIMS) or equivalent tracking mechanisms.

📝 Enhancement Note: For an Assay Design Technologist role, a portfolio should not just present scientific results but also demonstrate an understanding of process rigor, validation, and efficiency. The emphasis on "automated workflows," "validation reports," and "process optimization" is key for showcasing operational aptitude.

💵 Compensation & Benefits

Salary Range:

• Based on industry benchmarks for an Assay Design Technologist with 4+ years of experience in Phoenix, AZ, the estimated annual salary range is between $75,000 and $105,000. This estimate accounts for the specialized scientific skills, the operational responsibilities of assay development and validation, and the cost of living in the Phoenix metropolitan area. Benefits:

• Comprehensive health, dental, and vision insurance plans.

• 401(k) retirement savings plan with company matching contributions.

• Paid Time Off (PTO) including vacation, sick leave, and holidays.

• Life insurance and disability coverage.

• Opportunities for professional development, including training, workshops, and conference attendance.

• Employee Assistance Program (EAP) for personal and professional support.

• Potential for performance-based bonuses or incentives. Working Hours:

• Standard full-time position, typically 40 hours per week.

• May require occasional evenings, weekends, or holidays to meet project deadlines or address urgent laboratory needs.

• Potential for periodic on-call responsibilities for technical emergencies, though not explicitly tied to core daily job functions.

📝 Enhancement Note: Salary estimates are based on research of similar roles in the Phoenix, AZ area, considering the specified experience level and scientific/operational responsibilities. The inclusion of benefits like PTO, 401(k) matching, and professional development is standard for full-time roles and particularly appealing to professionals in specialized scientific fields.

🎯 Team & Company Context

🏢 Company Culture

Industry: Biotechnology / Healthcare / Precision Medicine. Caris Life Sciences operates at the intersection of advanced molecular science, artificial intelligence, and clinical diagnostics, aiming to revolutionize cancer care and improve patient outcomes by providing comprehensive genomic and molecular profiling.

Company Size: Caris Life Sciences is a mid-to-large-sized organization, employing over 1,000 individuals. This size allows for both specialized departmental functions and opportunities for cross-functional collaboration, offering a dynamic environment for operations-focused roles.

Founded: Caris Life Sciences was founded in 1997, bringing decades of experience and innovation to the field of precision medicine. This longevity suggests a stable, established company with a proven track record in a rapidly evolving industry.

Team Structure:

• The Assay Design Technologist will likely be part of the Research & Development (R&D) or Molecular Operations team, which is typically composed of scientists, research associates, and technologists specializing in assay development, molecular biology, and laboratory automation.

• This role reports to a Director-level manager within the R&D or Operations division, indicating a hierarchical structure that supports specialized expertise and project oversight.

• Close collaboration is expected with other departments, including Bioinformatics (for data analysis and tool development), Clinical Operations (for sample handling and workflow integration), and Quality Assurance (for compliance and validation). Methodology:

• Caris Life Sciences employs a data-driven approach, integrating cutting-edge molecular science with AI to analyze complex biological data for diagnostic and therapeutic insights.

• Workflow planning and optimization are critical, especially in a high-throughput environment, focusing on efficiency, accuracy, and scalability to meet the demands of precision medicine.

• Automation and advanced molecular techniques are central to their operations, enabling the processing of large volumes of patient samples with high precision.

Company Website: https://www.carislifesciences.com/

📝 Enhancement Note: The company context emphasizes Caris Life Sciences' leadership in precision medicine, driven by scientific innovation and a patient-centric mission. The size and established history suggest a structured yet growth-oriented environment where operational excellence in assay development is paramount for scaling their diagnostic services.

📈 Career & Growth Analysis

Operations Career Level: This role is categorized as a Mid-Level Technologist/Scientist. It requires a solid foundation of scientific knowledge and practical experience, with the expectation of independent execution of tasks, contribution to experimental design, and troubleshooting. It's a step beyond entry-level roles, focusing on specialized technical skills and operational execution within assay development.

Reporting Structure: The Assay Design Technologist reports to a Director or above, indicating a direct line of oversight from senior leadership. This structure facilitates clear communication of objectives and performance feedback, while also providing opportunities to interact with senior members of the scientific and operations teams.

Operations Impact: The work directly impacts the company's ability to develop and offer advanced molecular diagnostic assays. Successful assay design and validation are critical for expanding Caris's service portfolio, improving diagnostic accuracy, and ultimately influencing patient treatment decisions and the company's competitive position in the precision medicine market.

Growth Opportunities:

• Specialization: Advance within assay development by specializing in specific molecular technologies (e.g., advanced NGS library preparation, single-cell analysis, novel biomarker detection) or by moving into senior technologist or lead scientist roles.

• Process Improvement Leadership: Transition into roles focused on optimizing laboratory automation, workflow efficiency, and operational scalability, potentially moving towards an Operations Specialist or Process Engineer path.

• Management Track: Develop leadership skills by taking on mentorship responsibilities for junior staff, leading small project teams, and eventually progressing into supervisory or management positions within R&D or Molecular Operations.

• Cross-functional Exposure: Gain experience in areas like bioinformatics, quality assurance, or product development through collaboration and internal mobility, broadening career horizons.

📝 Enhancement Note: The growth pathways for an Assay Design Technologist are geared towards deepening scientific expertise, enhancing operational efficiency, or moving into leadership. The emphasis on "automated workflows" and "process validation" suggests that opportunities for growth into operational management or process engineering are strong.

🌐 Work Environment

Office Type: This role is based in a state-of-the-art laboratory facility designed for molecular diagnostics and research. It will involve significant time spent at laboratory benches performing hands-on experiments and also at computer workstations for data analysis, design, and documentation.

Office Location(s): Phoenix, AZ - specifically at the CC16 facility, which is likely a dedicated research and development or operational hub for Caris Life Sciences.

Workspace Context:

• The laboratory environment is collaborative, fostering interaction among scientists, technologists, and research associates working on diverse assay development projects.

• Access to advanced laboratory equipment, automation platforms, bioinformatics tools, and computing resources is standard for this role.

• Opportunities for direct interaction with team members and supervisors are frequent, facilitating real-time problem-solving and knowledge sharing essential for complex assay development. Work Schedule:

• The standard work schedule is 40 hours per week, typically during business hours.

• Flexibility may be required to accommodate experimental timelines, instrument maintenance, or urgent project needs, potentially involving some extended hours, evenings, or weekends.

📝 Enhancement Note: The description of the work environment highlights the blend of hands-on laboratory work and computational tasks, typical for assay development roles. The collaborative nature of the lab and access to advanced tools are crucial for fostering innovation and efficiency in assay design and implementation.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A brief phone or video call with an HR representative or recruiter to assess basic qualifications, assess cultural fit, and confirm interest.

• Technical Interview: A more in-depth interview with the hiring manager and potentially a senior team member. This will focus on your technical expertise in assay design, PCR methodologies (dPCR, ddPCR), experimental design, data analysis, and understanding of validation principles. Expect scenario-based questions related to troubleshooting and process optimization.

• Portfolio Review: A dedicated session where you will present selected case studies from your portfolio. Focus on clearly articulating your contributions, the scientific rationale, the operational challenges, and the quantifiable results or impact of your work. Be prepared to discuss your role in automation and process improvements.

• On-site/Virtual Lab Tour & Team Interaction: Depending on the interview stage and format, you may have a tour of the lab facilities and meet additional team members to assess collaboration dynamics and cultural fit.

• Final Interview: Potentially a final conversation with a senior leader or department head to discuss overall fit, career aspirations, and confirm the offer details.

Portfolio Review Tips:

• Structure Your Case Studies: For each project, clearly define the objective, your specific role, the methods used (highlighting automation and validation steps), the challenges faced, your problem-solving approach, and the measurable outcomes. Quantify impact wherever possible (e.g., improved assay sensitivity by X%, reduced turnaround time by Y%, increased throughput by Z%).

• Highlight Automation & Efficiency: Explicitly showcase your experience with automated workflows, process optimization, and any initiatives you led to improve efficiency, reduce error rates, or scale assay production.

• Showcase Validation Expertise: Detail your experience with method validation, including the parameters you assessed and the results you achieved. This demonstrates a commitment to quality and regulatory compliance.

• Prepare for Technical Deep Dives: Be ready to discuss the scientific principles behind your chosen assays, the limitations of specific technologies, and how you would approach troubleshooting common issues.

• Tell a Story: Frame your portfolio presentation as a narrative that demonstrates your problem-solving skills, scientific curiosity, and operational acumen.

Challenge Preparation:

• Process Design Challenge: You might be given a hypothetical scenario for assay development or optimization and asked to outline a plan, including experimental design, validation steps, and potential automation strategies.

• Data Interpretation Exercise: Be prepared to analyze a set of experimental data (e.g., qPCR results, validation metrics) and provide an interpretation and recommendations.

• Troubleshooting Scenarios: Anticipate questions about how you would troubleshoot common issues in PCR assays or automated workflows.

📝 Enhancement Note: The interview and portfolio review process for an Assay Design Technologist is highly technical and practical. Emphasis should be placed on demonstrating not only scientific knowledge but also the ability to implement, optimize, and validate processes efficiently, aligning with operational excellence.

🛠 Tools & Technology Stack

Primary Tools:

• PCR Platforms: Extensive experience with various qPCR instruments and platforms, including advanced capabilities in digital PCR (dPCR) and droplet digital PCR (ddPCR) systems (e.g., Bio-Rad QX200/QX ONE, Thermo Fisher QuantStudio, Fluidigm).

• Assay Design Software: Proficiency with specialized bioinformatics tools and software for oligo design, primer/probe design, and assay parameter optimization (e.g., Primer3, Geneious, SnapGene, or proprietary Caris tools).

• Laboratory Automation: Experience with liquid handling robots, automated sample preparation systems, and high-throughput screening platforms. This could include systems from companies like Hamilton, Tecan, Agilent, or others relevant to molecular assay automation.

• Molecular Biology Reagents & Kits: Familiarity with a wide range of reagents, enzymes, and kits used in PCR, nucleic acid extraction, and other molecular biology applications.

Analytics & Reporting:

• Data Analysis Software: Proficiency in statistical analysis software (e.g., R, GraphPad Prism, JMP) for experimental data interpretation, validation analysis, and trend identification.

• Spreadsheet Software: Advanced skills in Microsoft Excel for data manipulation, charting, and basic statistical analysis.

• Data Visualization Tools: Experience with tools like Tableau or Power BI for creating dashboards and reports to visualize assay performance metrics and experimental results.

CRM & Automation:

• Laboratory Information Management Systems (LIMS): Familiarity with LIMS for sample tracking, workflow management, data integrity, and audit trails.

• Electronic Lab Notebooks (ELN): Experience using ELNs for digital documentation of experiments, protocols, and results, ensuring reproducibility and compliance.

📝 Enhancement Note: The technology stack for this role is heavily focused on specialized molecular biology instrumentation and software. Proficiency in PCR platforms, assay design bioinformatics tools, and laboratory automation is crucial for operational efficiency and scalability.

👥 Team Culture & Values

Operations Values:

• Scientific Excellence & Rigor: A commitment to precise execution, data integrity, and reproducible results in all assay development and validation activities.

• Innovation & Continuous Improvement: An ongoing drive to explore new technologies, optimize existing processes, and find more efficient and effective ways to design and implement assays.

• Collaboration & Teamwork: A strong emphasis on working effectively with colleagues across different scientific disciplines and operational functions, sharing knowledge, and supporting team goals.

• Patient Focus: An underlying dedication to the company's mission of improving patient lives through advanced diagnostics, ensuring that all work contributes to better healthcare outcomes.

• Quality & Compliance: Adherence to strict quality control standards and laboratory safety protocols to ensure the reliability and regulatory compliance of all developed assays.

Collaboration Style:

• The team likely operates with a highly collaborative style, involving frequent discussions, brainstorming sessions, and joint problem-solving to tackle complex assay development challenges.

• A culture of open feedback and constructive criticism is expected to foster continuous improvement in processes and methodologies.

• Knowledge sharing is encouraged, whether through formal presentations, team meetings, or informal discussions, to disseminate best practices and learnings across the team.

📝 Enhancement Note: The culture at Caris Life Sciences, particularly within its scientific and operational teams, is likely driven by a mission-oriented approach, emphasizing innovation, collaboration, and a commitment to quality in the pursuit of advancing precision medicine.

⚡ Challenges & Growth Opportunities

Challenges:

• Complexity of Molecular Assays: Developing and validating highly sensitive and specific molecular assays for complex diseases like cancer requires deep scientific understanding and meticulous execution.

• Rapid Technological Advancements: Staying abreast of the fast-paced evolution of molecular biology techniques, automation technologies, and bioinformatics tools demands continuous learning.

• High-Throughput Demands: Balancing the need for rigorous validation with the operational requirement for high-throughput sample processing can be a significant challenge.

• Data Interpretation & Integration: Analyzing and interpreting complex genomic and molecular data, and integrating it effectively with clinical information, requires strong analytical skills and cross-functional collaboration.

Learning & Development Opportunities:

• Advanced Assay Development Training: Opportunities to receive specialized training on emerging molecular technologies, automation platforms, and bioinformatics techniques.

• Industry Conferences & Publications: Support for attending scientific conferences (e.g., AMP, AGBT) to present findings and learn about the latest industry trends, as well as opportunities for scientific publication.

• Cross-Functional Skill Building: Exposure to bioinformatics, data science, quality assurance, and regulatory affairs through project work and internal training programs.

• Mentorship Programs: Access to mentorship from senior scientists and leaders within Caris Life Sciences to guide career development and skill enhancement.

📝 Enhancement Note: The challenges inherent in this role are directly linked to the cutting-edge nature of precision medicine, requiring adaptability and a commitment to learning. Growth opportunities are robust, encouraging specialization and broader operational understanding.

💡 Interview Preparation

Strategy Questions:

• Assay Design & Validation: "Describe a novel assay you designed or significantly improved. What was the objective, your approach, the key challenges, and the outcome? How did you validate it?" Be ready to detail your experience with dPCR/ddPCR and oligo design.

• Process Optimization & Automation: "Tell me about a time you implemented or improved an automated workflow. What were the efficiency gains or improvements in quality?" Highlight your experience with automation and process streamlining.

• Problem-Solving: "Imagine an assay is showing inconsistent results during validation. How would you approach troubleshooting this issue, considering both biological and technical factors?" Demonstrate your systematic approach to problem-solving.

• Data Analysis & Interpretation: "How do you typically analyze and interpret results from a qPCR experiment or a validation study? What statistical methods do you employ?" Be prepared to discuss your data analysis tools and techniques.

Company & Culture Questions:

• Mission Alignment: "Why are you interested in Caris Life Sciences and our mission in precision medicine?" Connect your personal career goals and passion to the company's purpose.

• Teamwork & Collaboration: "Describe a situation where you had to collaborate with a difficult colleague or a team with differing opinions. How did you navigate it?" Showcase your interpersonal and teamwork skills.

• Adaptability: "How do you stay current with the latest advancements in molecular biology and assay development?" Highlight your commitment to continuous learning.

Portfolio Presentation Strategy:

• Focus on Impact: For each case study, clearly articulate the problem, your solution, and the measurable impact of your work (e.g., improved sensitivity, reduced cost, increased throughput, successful validation).

• Highlight Operational Contributions: Emphasize your role in process optimization, automation implementation, and validation documentation. Use keywords from the job description.

• Visual Aids: Use clear, concise visuals (graphs, diagrams) to illustrate experimental setups, results, and process flows. Ensure they are easy to understand quickly.

• Be Prepared for Questions: Anticipate detailed questions about your methodology, troubleshooting steps, and validation rationale.

📝 Enhancement Note: Interview preparation should focus on demonstrating a strong blend of scientific expertise, practical assay development skills, and an understanding of operational efficiency through automation and validation, all aligned with Caris's mission.

📌 Application Steps

To apply for this Assay Design Technologist position:

• Submit your application through the Caris Life Sciences careers portal via the provided link.

• Customize Your Resume: Tailor your resume to highlight specific keywords and responsibilities mentioned in the job description, such as "Assay Design," "Bioinformatics Tools," "Digital PCR (dPCR)," "Droplet PCR (ddPCR)," "Quantitative PCR (qPCR)," "Experimental Design," "Method Validation," and "Automated Workflow." Quantify your achievements wherever possible.

• Prepare Your Portfolio: Curate 2-3 strong case studies that showcase your experience in assay design, experimental implementation, data analysis, method validation, and any contributions to workflow automation or process optimization. Ensure these are well-documented and ready for presentation.

• Research Caris Life Sciences: Familiarize yourself with the company's mission, values, recent advancements, and their role in precision medicine. Understand their commitment to improving patient outcomes.

• Practice Interview Responses: Prepare answers to common technical and behavioral interview questions, focusing on your experience with the required tools and methodologies, and your approach to problem-solving and collaboration. Practice presenting your portfolio.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and operations industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.

---