← Search all jobs

Scientist II - LC/MS Bioanalytical

BioAgilytix

San Diego, CA · $102k–$130k a year · Posted August 27, 2026

Just laid off? Start here: a plan for the first weeks

See every open role at BioAgilytix

More in California job market · Healthcare & Hospital Systems · Research jobs

More roles at BioAgilytix

Similar jobs

Where San Diego, CA ranks

Where San Diego, CA placed in our monthly rankings, month by month. Each month stays online at its own address.

How AI is used in this kind of work

Among biological scientists, all other, AI is already used for some of the tasks. Measured exposure for biological scientists, all other: 25% (some).

Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.

Check how this applies to your own job

Skills this job asks for

Say which you have and which you want to build. We use it to match you to jobs like this one.

  • Excel
  • Jmp

About the job

At BioAgilytix, we are passionate about premier science and the impact it has on our world. Our team of highly experienced scientists and professionals deliver tailored services for supporting new medicine breakthroughs with best-in-class bioanalytical services. We are tirelessly committed to our customers by being solution-oriented and deadline-driven. . . and we are growing. Our culture is fast-paced, fun and never boring. Because we work across numerous clients and drug modalities, your career can develop rapidly. You’ll gain experience with a variety of challenges all while you enable life-changing, life-saving therapeutics to the patients who need them.

In this lab-based, hands-on Scientist role, you will design, develop, and execute bioanalytical experiments that support the advancement of new therapies to market. You’ll spend much of your time in the lab generating and analyzing data, working with cutting-edge bioanalytical technologies, and evaluating assay performance within the intended context of use. This role is especially exciting due to our wide variety of clients and therapeutic areas, giving you exposure to multiple disease states and modalities. You’ll work in a milestone-driven, highly regulated environment where data integrity, quality, and compliance are foundational to how we operate.

We’re looking for scientists who are energized by hands-on laboratory work and solving complex scientific challenges. The ideal candidate is curious, driven to continuously learn, and experienced working under GxP expectations where data integrity is expected and upheld. You’ll thrive through collaboration with a network of expert scientists while managing multiple projects, sponsors, and timelines. If you’re adaptable, scientifically rigorous, and motivated by producing high-quality data at the bench, you’ll feel right at home at BioAgilytix.

Essential Responsibilities

Lead the development, validation, and sample analysis of large molecules such as ADCs, monoclonal antibodies and other proteins, peptides, oligonucleotides, biomarkers, and small molecules using various techniques including chromatographic (LC-MS/MS) in support of preclinical and clinical PK/PD studies.

Set up studies in LIMS system

Drive bioanalytical projects to align with client timelines

Author documents (methods, SOPs, reports)

Statistical analysis of bioanalytical data

Review of documentation

Analyze & Interpret data

Peer review raw data

Prepare reagents

Troubleshoot assays

Design assay runs independently

Responsible for prompt identification and notification of deviations

Write plans/reports for sample analysis

Order and keep accurate inventories of supplies for laboratory needs and forecast future needs based on projected project needs

Perform assays according to GLP guidance or SOPs

Additional Responsibilities

Other duties as needed

Minimum Preferred Qualifications: Skills

Ability to perform routine laboratory tasks accurately while following established methodologies, including sample preparation, operation and maintenance of standard laboratory equipment.

Experience with chromatographic assay development, validation, and execution for PK, PD (biomarker), ADME, and other small molecule assays.

Experience developing chromatographic assays using LC-MS/MS, HPLC, UPLC, and/or UPLC-HRMS, including protein binding, CYP inhibition, CYP induction, or CYP phenotyping assays.

Strong data analysis, statistical analysis, and data visualization skills.

Proficiency with Microsoft Office (Word, Excel) and scientific software such as Sciex OS/Analyst, MassLynx, Chromeleon, Watson LIMS, JMP, and GraphPad Prism.

Experience working in a GxP environment preferred

Excellent oral and written communication skills

Ability to manage multiple priorities, work independently, and adapt to changing priorities while taking direction effectively.

Highly organized, detail-oriented, and able to meet deadlines in a fast-paced environment.

Minimum Preferred Qualifications: Education/Experience

Bachelor’s degree in chemistry, biochemistry, biotechnology, biology, immunology, or related field with not less than eight (8) years’ experience in a scientific laboratory environment; or

Master’s degree in chemistry, biochemistry, biotechnology, biology, immunology, or related field with not less than six (6) years’ experience in a scientific laboratory environment; or

PhD in chemistry, biochemistry, biotechnology, biology, immunology, or related field with not less than four (4) years’ experience in a scientific laboratory environment

Knowledge of regulatory guidance and industry best practices for PK, ADME, LC/MC/MC, and other small molecule assays is preferred

Supervision Received

Infrequent supervision and instructions

Frequently exercises discretionary authority

Working Environment

Primarily laboratory environment

Exposure to biological fluids with potential exposure to infectious organisms

Rare exposure to skin and lung irritants, toxic materials, and hazardous waste

Personal protective equipment required, such as protective eyewear, garments, and gloves

Routinely uses standard office equipment such as computers, phones, photocopiers, and filing cabinets

Physical Demands

Ability to work in an upright and/or stationary position for up to 8 hours per day

Repetitive hand movement of both hands with the ability to make fast, simple, repeated movements of the fingers, hands, and wrists to operate lab equipment

Frequent mobility needed

Frequent crouching, stooping, with frequent bending and twisting of upper body and neck

Light to moderate lifting and carrying (or otherwise moves) objects including laboratory equipment, laboratory supplies, and laptop computer with a maximum lift of 20 pounds

Ability to access and use a variety of computer software

Ability to communicate information and ideas so others will understand, with the ability to listen to and understand information and ideas presented through spoken words and sentences

Frequently interacts with others to obtain or relate information to diverse groups

Requires multiple periods of intense concentration

Performs a wide range of variable tasks as dictated by variable demands and changing conditions with little predictability as to the occurrence

Ability to perform under stress and multi-task

Regular and consistent attendance

Position Type and Expected Hours of Work

This is a full-time position

Some flexibility in hours is allowed, but the employee must be available during the “core” work hours as published in the BioAgilytix Employee Handbook

Occasional weekend, holiday, and evening work required

Occasional travel required

BENEFITS AND OTHER PERKS Medical Insurance (HDHP with HSA; PPO), Dental Insurance, Vision Insurance, Flexible Spending Account (medical; dependent care), Short Term Disability | Long Term Disability Life Insurance, Paid Time Off (4 weeks per year), Parental Leave, Paid Holidays (9 scheduled; 5 floating), 401k with Employer Match, Employee Referral Program

COMMITMENT TO EQUAL OPPORTUNITY BioAgilytix provides equal employment opportunities to all employees and applicants for employment without regard to race, color, ancestry, national origin, gender, sexual orientation, marital status, religion, age, disability, gender identity, results of genetic testing, service in the military, or any other group protected by federal, state, or local law.

To learn more about how we collect, use, and protect your information, please review our Privacy Policy and Terms of Use.