Company

4:59 - Prolynx

QCAnalyticalScientist

$140–170k Emeryville, California, United States FULL TIME
Market Sentiment
HIGH DEMAND

Neural analysis suggests this role is
optimal for Senior candidates.

The Brief

“QC Analytical Scientist. Skills: Bioanalytical method development, Ligand-binding assays, LC-MS/MS quantitation, CRO oversight. Define analytical approaches. Select assay platforms”

What You'll Achieve.

Ensure quantitative rigor; Ensure data integrity; Meet GLP and regulatory expectations

Industry & Context.

4:59 Prolynx
Problems you'll solve

Troubleshoot issues; Root cause analysis

What They're Looking For.

Must Have

PhD in Analytical Chemistry, PhD in Pharmaceutical Sciences, PhD in Biochemistry, 8–15+ years relevant experience, Expertise in bioanalytical method development, Expertise in bioanalytical method validation, Expertise in bioanalytical data interpretation, Deep conceptual understanding of LC-MS/MS, Experience overseeing CRO data, Experience evaluating CRO data, Working knowledge of GLP bioanalysis, Working knowledge of regulatory expectations

Nice to Have

Experience across multiple molecular modalities, Background in analytical development, Background in QC for regulated products, Experience supporting IND-enabling studies, Experience supporting clinical programs, Familiarity with complex drug delivery systems, Familiarity with long-acting drug delivery systems

What You'll Do.

Define analytical approaches

Select assay platforms

Design outsourced studies

Manage outsourced studies

Critically review assay development

Critically review assay validation

Critically review sample analysis

Identify deficiencies in methods

Identify deficiencies in data quality

Identify deficiencies in interpretation

Drive resolution of deficiencies

Ensure quantitative rigor

Ensure data integrity

Evaluate calibration models

Evaluate accuracy/precision

Evaluate assay robustness

Detect matrix effects

Detect assay interference

Troubleshoot matrix effects

Troubleshoot instability

Troubleshoot adsorption

Troubleshoot assay interference

Establish internal standards

Apply regulatory principles

Ensure methods meet GLP

Ensure methods meet regulatory

Ensure datasets meet GLP

Ensure datasets meet regulatory

Contribute to analytical sections

Implement quality systems

Implement documentation standards

Support cross-functional decision making

Work closely with teams

Interpret data correctly

Distinguish analytical artifacts

Distinguish biological signals

Provide clear recommendations

Apply consistent analytical thinking

Ensure comparability of data

Ensure continuity of data

How You'll Work.

Team & Collaboration

Cross-functional decision making; Work closely with PK/PD; Work closely with biology; Work closely with clinical teams

Communication Scope

Data interpretation; Clear recommendations

Process & Methodology

Study design, Study management

Full Job Description

## Qualifications PhD in Analytical Chemistry, Pharmaceutical Sciences, Biochemistry, or related field 8–15+ years of relevant experience in biotech, pharma, or CRO environments Demonstrated expertise in bioanalytical method development, validation, and data interpretation Strong understanding of both: Ligand-binding assays (e.g., ELISA, MSD) LC-MS/MS-based quantitation (hands-on experience not required, but deep conceptual understanding is essential) Experience overseeing and critically evaluating CRO-generated data Working knowledge of GLP bioanalysis and regulatory expectations (e.g., ICH M10) Solid grounding in pharmacokinetics and interpretation of concentration–time data Preferred Qualifications Experience across multiple molecular modalities (peptides, monoclonal antibodies, small molecules) Background in analytical development or QC for regulated products Experience supporting IND-enabling studies or clinical programs Familiarity with complex or long-acting drug delivery systems ## Own bioanalytical strategy Define fit-for-purpose analytical approaches for PK, PD, and mechanistic studies Select appropriate assay platforms (ligand-binding, LC-MS-based, hybrid methods) Lead CRO oversight Design and manage outsourced bioanalytical studies Critically review assay development, validation, and sample analysis Identify deficiencies in methods, data quality, or interpretation and drive resolution Ensure quantitative rigor and data integrity Evaluate calibration models, LLOQ, accuracy/precision, and assay robustness Detect and troubleshoot issues such as matrix effects, instability, adsorption, and assay interference Establish internal standards for data quality across programs Apply QC and regulatory principles Ensure methods and datasets meet GLP and regulatory expectations (e.g., ICH M10) Contribute to analytical sections of IND-enabling packages and regulatory filings Implement quality systems and documentation standards where needed Support cross-functional deci

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