April 30, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.
Work duties will include: Managing and technically contributing to tasks and projects that focus on quantitative hydrogeology and groundwater resource management, including: Supporting projects planning and implementation of the Sustainable Groundwater Management Act (SGMA) Supporting groundwater remediation activities associated with complex environmental sites, including monitoring program coordination, data evaluation, and reporting Interpretation of lithologic, hydrologic testing, depth-specific water quality, and borehole geophysical data Designing and interpreting results of predictive modeling runs and supporting model updates Evaluating and filling hydrogeologic data gaps Developing hydrogeologic conceptual models Developing water budgets Designing and managing field investigations Interacting with field teams to implement monitoring programs Evaluating data and preparing technical reports Preparing technical proposals and work plans for future work Overseeing work completed by junior staff Assisting project managers with administrative duties on projects Education and Professional Credentials Graduate degree in hydrology, geology, civil engineering, or environmental engineering OR Professional registration (P.G. Our company of highly respected water resource professionals, headquartered in Tucson, Arizona, has been in business since 1984 and is growing, with recent expansions in the western United States and South America.
Thousand Oaks, Massachusetts14 days ago
In addition to the base salary, Amgen offers a Total Rewards Plan, based on eligibility, comprising of health and welfare plans for staff and eligible dependents, financial plans with opportunities to save towards retirement or other goals, work/life balance, and career development opportunities that may include: A comprehensive employee benefits package, including a Retirement and Savings Plan with generous company contributions, group medical, dental and vision coverage, life and disability insurance, and flexible spending accounts. As an organization dedicated to improving the quality of life for people around the world, Amgen fosters an inclusive environment of diverse, ethical, committed and highly accomplished people who respect each other and live the Amgen values to continue advancing science to serve patients.
Simi Valley, CA11 days ago
Entech's recently introduced technology, VASE (Vacuum Assisted Sorbent Extraction), aims to revolutionize the GC-MS research and testing industry by enabling solvent-free exhaustive extractions of volatile and semi-volatile compounds in a rapidly growing number of sample types and matrices while improving sensitivity and reproducibility. Entech Instruments Inc., a California-based analytical instrumentation company, is seeking an individual experienced with developing GC-MS applications with a particular history of using sample preparation and introduction techniques such as SPME, SBSE, SPE, or dynamic headspace for a variety of matrices, including water, soil, pharmaceuticals, packaging, and food & beverage.
San Carlos, CA30+ days ago
li>High-Throughput Automation: Design and implement automated workflows using liquid handling and robotic platforms (e.g., Tecan, Big Tuna) to enable high-throughput sample processing and buffer exchange. Requirements:
- Education: PhD with 1-2 yrs experience, or B.S in Chemistry, Analytical Chemistry, Biochemistry, or related field with minimum 8 years relevant industry experience; MS with minimum 5 years of industry experience.
Rancho Cordova, CA30+ days ago
p>In this role you will apply your expertise in a range of small molecule analytical techniques to provide technical design, leadership and execution of method development and validation activities for various drug substances and drug products. Responsible for leadership of analytical project(s) including tracking scope for analytical team and cross-functional coordination with other teams including Research and Development, Quality Control, Operations, and Project Management.
This role requires deep expertise in LC/MS, strong knowledge of regulatory expectations, and the ability to provide technical leadership in solving complex analytical challenges within a cGMP/GLP testing environment focused on improving public health. This is an onsite role working in a cGMP/GLP laboratory that supports toxicology, biocompatibility, pharmacology, analytical chemistry, and microbiology testing for pharmaceutical, biotech, and medical device clients.
This role requires deep expertise in LC/MS, strong knowledge of regulatory expectations, and the ability to provide technical leadership in solving complex analytical challenges within a cGMP/GLP testing environment focused on improving public health. This is an onsite role working in a cGMP/GLP laboratory that supports toxicology, biocompatibility, pharmacology, analytical chemistry, and microbiology testing for pharmaceutical, biotech, and medical device clients.
Redwood City, CA29 days ago
The company's RAS(ON) inhibitors daraxonrasib (RMC-6236), a RAS(ON) multi-selective inhibitor; elironrasib (RMC-6291), a RAS(ON) G12C-selective inhibitor; zoldonrasib (RMC-9805), a RAS(ON) G12D-selective inhibitor; and RMC-5127, a RAS(ON) G12V-selective inhibitor, are currently in clinical development. Design and implementation of discovery analytics, analytical data integration through collaboration with LabOS team, Data Sciences and Data Analytics functions to develop and implement automated high-throughput analytical methods that enhance efficiency and data quality.
San Francisco, CA13 days ago
Located in a state-of-the-art facility housing end-to-end CMC development capabilities, the team works collaboratively to advance novel biologic therapeutics - including multi-specifics, ADCs, antibodies, and novel modalities - into first-in-human clinical development and through to clinical proof of concept. The amount and availability of any bonus, commission, incentive, benefits, or any other form of compensation and benefits that are allocable to a particular employee remains in the Companys sole and absolute discretion unless and until paid and may be modified at the Company's sole and absolute discretion, consistent with applicable law.
San Carlos, CA30+ days ago
Summary: We are seeking a highly skilled and motivated Associate Scientist II (Contract) to join our Analytical Development team to support the characterization of drug substances, protein intermediates, and drug products using LC-MS and complementary analytical techniques The ideal candidate would be central to implementing mass spectrometry-based workflows, interpreting complex data, and collaborating cross-functionally to advance our vaccine programs. Vaxcyte is a clinical-stage vaccine innovation company engineering high-fidelity vaccines to protect humankind from the consequences of bacterial diseases, which have serious and costly health consequences when left unchecked.
San Carlos, CA30+ days ago
This role performs routine and non-routine analytical assays using modern analytical techniques, supports method optimization and troubleshooting efforts, and contributes to continuous improvement initiatives with moderate supervision while partnering effectively with cross-functional teams. Strong hands-on experience with multiple analytical techniques, such as UV-Vis, HPLC, CE, SDS-PAGE, icIEF, Liquid chromatography, Mass Spectrometry, enzyme kinetics, colorimetric and fluorescent plate-based assays, ELISA, Western Blot, and PCR.
San Carlos, CA30+ days ago
Perform in-house assays for polysaccharide manufacturing, including in-process testing, process development and process characterization study sample analysis, including: HPLC-based assays (e.g., HPLC-RI, HPAEC-PAD, etc.). Vaxcyte is a clinical-stage vaccine innovation company engineering high-fidelity vaccines to protect humankind from the consequences of bacterial diseases, which have serious and costly health consequences when left unchecked.
South San Francisco, CA30+ days ago
p>Expertise in developing and implementing analytical methods to characterize RNA drug substances and LNP drug products, with experience managing method qualification, validation, and tech-transfer processes. Learn more at: https://www.newlimit.com/careers *This compensation and benefits information is based on Company's good faith estimate as of the date of publication and may be modified in the future.
South San Francisco, CA30+ days ago
Sutro Biopharma, Inc. is looking for a Scientist to join our Analytical Development group to support chromatography and mass spectrometry analyses for antibodies (mAb), bispecific antibodies (bsAb), antibody drug conjugates (ADCs), immunostimulatory antibody drug conjugate (iADCs) and cytokine derivatives. By fully optimizing the antibody, linker, and payload, Sutro's cell-free platform produces ADCs that are engineered to improve drug exposure, reduce side effects, and expand the range of treatable tumor types.
San Diego, California16 days ago
The Senior Scientist 1, Analytical Development, is responsible for developing, optimizing, and executing analytical methods to support the progression of small molecule drug substance and drug product programs from candidate nomination through regulatory submission and commercial launch. These may include but are not limited to: Provide hands-on expertise in chromatographic method development (e.g., HPLC/UPLC), dissolution testing, and small molecule characterization, ensuring methods are phase‑appropriate and aligned with program and regulatory requirements.
ul>Perform routine and non-routine analytical testing using modern analytical methods (e.g., HPLC/UPLC, SEC, CE, UV-Vis, ELISA, electrophoresis, plate-based assays, and other biochemical or biophysical techniques). This role will perform routine and non-routine analytical assays using modern analytical techniques and will contribute to method optimization, troubleshooting, and continuous improvement initiatives under supervision.
Emeryville, CA15 days ago
p>UPSIDE Foods has won various industry awards, including New York Times' Good Tech Awards, FastCo's Next Big Thing in Tech and World Changing Ideas Awards, and the Best and Brightest Companies to Work For in the Nation by the National Association for Business Resources. Founded as the world's first cultivated meat company in 2015, UPSIDE Foods (formerly Memphis Meats) has achieved numerous industry-defining milestones, including being the first company to produce multiple species of meat (beef, chicken, and duck) and to sell a cultivated meat product in the United States.
South San Francisco, CA30+ days ago
p>About the role: Allogene is seeking a highly determined, results-oriented, self-starter who demonstrates personal accountability for outcomes and is motivated by increasing levels of responsibility, to join a dynamic team responsible for successful development and characterization of clinical-scale manufacturing of Allogeneic Chimeric Antigen Receptor T-cell therapies (Allo CAR T).
Laboratory experience in a variety of analytical methods for the characterization and release of cell-based therapies, include, but not limited to: multi-parametric flow cytometry-based assays for characterization/ release/ stability testing, cell-based cytotoxicity assays, cell-based proliferation assays, cytokine measurements and molecular assays.
South San Francisco, CA12 days ago
Allogene is seeking a highly determined, results-oriented, self-starter who demonstrates personal accountability for outcomes and is motivated by increasing levels of responsibility, to join a dynamic team responsible for successful development and characterization of clinical-scale manufacturing of Allogeneic Chimeric Antigen Receptor T-cell therapies (Allo CAR T). Laboratory experience in a variety of analytical methods for the characterization and release of cell-based therapies, include, but not limited to: multi-parametric flow cytometry-based assays for characterization/ release/ stability testing, cell-based cytotoxicity assays, cell-based proliferation assays and cytokine measurements.
South San Francisco, CA30+ days ago
p>About the role: Allogene is seeking a highly determined, results-oriented, self-starter who demonstrates personal accountability for outcomes and is motivated by increasing levels of responsibility, to join a dynamic team responsible for successful development and characterization of clinical-scale manufacturing of Allogeneic Chimeric Antigen Receptor T-cell therapies (Allo CAR T).
Laboratory experience in a variety of analytical methods for the characterization and release of cell-based therapies, include, but not limited to: multi-parametric flow cytometry-based assays for characterization/ release/ stability testing, cell-based cytotoxicity assays, cell-based proliferation assays and cytokine measurements.
The candidate will have expertise in multi-color flow cytometry assay design and development, data analysis and presentation, robust experience with digital flow cytometry instrumentation operation and maintenance, and good documentation practices for project execution in a fast-paced biotech environment. We are seeking a highly motivated and scientifically rigorous Scientist to join the Analytical Development team to support the development and validation of analytical methods for Kenai Therapeutic’s programs from early development through to commercial launch.
The successful candidate will help drive analytical development strategy for small-molecule and peptide candidates from early development through late-stage programs, including analytical method development, validation, transfer, stability programs, phase-appropriate specifications, and analytical control strategies for drug substance (DS) and drug product (DP). The Company also has a number of preclinical stage drug discovery programs addressing clinically and commercially validated targets including an oral IL-17 peptide antagonist, obesity dual and triple agonists, an oral hepcidin functional mimetic, and the recently announced IL-4 and amylin programs.
San Francisco, CA30+ days ago
You will report to the Director, Analytical Development Bioassays and support the development of bioassays to interrogate the mechanism of action for antibody and other biologic therapeutics. Its clinical-stage portfolio includes programs for chronic hepatitis delta and multiple dual-masked T-cell engagers across validated targets in solid tumor indications.
We work hard to bring together diverse teams-grounded in a wide range of expertise and life experiences-and work even harder to ensure those teams thrive in inclusive, growth-oriented environments supported by equitable company and team practices. We are committed to empowering our pharmaceutical partners with access to the most promising, fully human body candidates rapidly identified from the human immune repertoire, enabling them to bring life-changing treatments to patients faster than ever before.
South San Francisco, CA27 days ago
Denali is founded on the collaboration of leading scientists, industry experts, and investors who share the vision that scientific discovery energetically applied to translational medicine is the key to delivering effective therapies to patients. Key Accountabilities/Core Job Responsibilities: Assist in the development of chromatography, electrophoresis, spectroscopy and mass spectrometry-based analytical methods to be used for product release, stability, and characterization testing.
p>Position Summary: The Senior Scientist 1, Analytical Development, is responsible for developing, optimizing, and executing analytical methods to support the progression of small molecule drug substance and drug product programs from candidate nomination through regulatory submission and commercial launch.
Essential Job Functions and Responsibilities:
These may include but are not limited to:
- Provide hands-on expertise in chromatographic method development (e.g., HPLC/UPLC), dissolution testing, and small molecule characterization, ensuring methods are phase‑appropriate and aligned with program and regulatory requirements.
Experience with analytical techniques for small drug molecules and oral solid formulations required, including UPLC/HPLC, LC-MS, KF, dissolution testing, IR, particle size analysis, and solid-state characterization techniques . Support development, validation, and transfer of analytical methods to support starting material, intermediate, drug substance and drug product testing at CMOs/CTLs .
The Senior Scientist will be responsible for drug product (DP) analytical development, including method development, oversight of method validation at CDMOs, and lifecycle management in support of Nurixs oncology and inflammation & immunology (I&I) programs. The ideal candidate will have expertise in chromatographic and dissolution method development, stability studies, and phase-appropriate validation and control strategies, along with demonstrated experience supporting late-phase development and regulatory submissions.
South San Francisco, CA8 days ago
li>Physical Demands: Employees in this position may be required to perform the following physical activities: standing, walking, and sitting for extended periods of time; frequent use of the hands, fingers, wrist, and greater arm to handle small materials, tools, boxes, and trays; lifting and carrying objects up to 10 Ibs; occasional overhead reaches and lifts; occasional lifts and reaches below the knee; occasional pushing and pulling of materials and objects with moderate forces; occasional crouching/kneeling, twisting, and squatting movements. - Act as a key contributor in developing and qualifying pivotal stage potency, immunoassay, and other cell-based methods to support the characterization, process development, release testing, and stability testing of cell therapy products.
South San Francisco, CA6 days ago
p>Along with our inspiring mission, and highly collaborative and inclusive environment, IDEAYA offers a competitive total rewards package that reflects our pay-for-performance philosophy where employees are eligible to be considered for merit-based salary increases, company discretionary short-term incentive plan participation, and company discretionary stock option awards (based on board approval). The final salary offered to a successful candidate will depend on several factors that may include but are not limited to the office location where this open position is located, the final candidates' experience within their profession, experience in the disease areas we are striving to make an impact in as a company, length of time within the industry, educational background, and performance during the interview process.
They will employ state of the art QbD approaches to develop and troubleshoot chromatographic test methods to accelerate and derisk QC activities performed externally at CDMOs and CTLs. Nurix Therapeutics, Inc. is committed to protecting and respecting your privacy and personal information, including information collected by Nurix when you apply for a job with Nurix or in the course of your employment with Nurix.
El Segundo, CA27 days ago
Carry out hands-on experiments and work with external testing sites to fully characterize drug substances and drug products by a wide range of assays including GC/LC-MS, DLS, DSC, ELISA, CD, FT-IR, NMR, SEC, IEX, CE-SDS and icIEF. Varda was founded in January 2021 by Will Bruey and Delian Asparouhov with significant backing from world class investors including Khosla Ventures, Lux Capital, Founders Fund, Caffeinated Capital, General Catalyst, and Also Capital.
El Segundo, CA30+ days ago
Varda was founded in January 2021 by Will Bruey and Delian Asparouhov with significant backing from world class investors including Khosla Ventures, Lux Capital, Founders Fund, Caffeinated Capital, General Catalyst, and Also Capital. Varda, like all employers, must ensure that its employees working in the United States are lawfully authorized to work in the U.S. Additionally, our employees are exposed to and have access to certain export-controlled items.
Applicable only to applicants applying to a position in any location with pay disclosure requirements under state or local law: The compensation range described below is the range of possible base pay compensation that the Company believes in good faith it will pay for this roleat the time of this posting based on the job grade for this position. The amount and availability of any bonus, commission, incentive, benefits, or any other form of compensation and benefits that areallocable to a particular employee remains in the Companys sole and absolute discretion unless and until paid and may be modified at the Company's sole and absolutediscretion, consistent with applicable law.
Bad Sample Prep Wastes Whole Batches: Many customer analyses fail right at the sample preparation step, which forces entire batches of testing to be repeated and makes labs doubt that Filtrous filters, vials, and QuEChERS products deliver clean, consistent samples. • Thin Proof the Products Perform: Filtrous lacks the application notes, white papers, and real instrument data that prove its consumables work, leaving customers without independent evidence and the sales team unable to answer the hard technical questions needed to close deals.
San Diego, CA30+ days ago
Applicable only to applicants applying to a position in any location with pay disclosure requirements under state or local law: The compensation range described below is the range of possible base pay compensation that the Company believes in good faith it will pay for this role at the time of this posting based on the job grade for this position. The amount and availability of any bonus, commission, incentive, benefits, or any other form of compensation and benefits that are allocable to a particular employee remains in the Companys sole and absolute discretion unless and until paid and may be modified at the Company's sole and absolute discretion, consistent with applicable law.
The amount and availability of any bonus, commission, incentive, benefits, or any other form of compensation and benefits that are allocable to a particular employee remains in the Companys sole and absolute discretion unless and until paid and may be modified at the Company's sole and absolute discretion, consistent with applicable law. Applicable only to applicants applying to a position in any location with pay disclosure requirements under state or local law: The compensation range described below is the range of possible base pay compensation that the Company believes in good faith it will pay for this role at the time of this posting based on the job grade for this position.
San Carlos, California14 days ago
We are seeking a highly skilled and motivated Associate Scientist II (Contract) to join our Analytical Development team to support the characterization of drug substances, protein intermediates, and drug products using LC-MS and complementary analytical techniques The ideal candidate would be central to implementing mass spectrometry-based workflows, interpreting complex data, and collaborating cross-functionally to advance our vaccine programs. Vaxcyte is a clinical-stage vaccine innovation company engineering high-fidelity vaccines to protect humankind from the consequences of bacterial diseases, which have serious and costly health consequences when left unchecked.
San Carlos, California3 days ago
Perform routine and non-routine analytical testing using modern analytical methods (e.g., LCMS, HPLC/UPLC, SEC, CE, UV-Vis, electrophoresis, plate-based assays, and other biochemical or biophysical techniques). This role will perform routine and non-routine analytical assays using modern analytical techniques and will contribute to method optimization, troubleshooting, and continuous improvement initiatives under supervision.
San Carlos, California14 days ago
This role performs routine and non-routine analytical assays using modern analytical techniques, supports method optimization and troubleshooting efforts, and contributes to continuous improvement initiatives with moderate supervision while partnering effectively with cross-functional teams. Strong hands-on experience with multiple analytical techniques, such as UV-Vis, HPLC, CE, SDS-PAGE, icIEF, Liquid chromatography, Mass Spectrometry, enzyme kinetics, colorimetric and fluorescent plate-based assays, ELISA, Western Blot, and PCR.
Avid Bioservices is a leading clinical and commercial biologics CDMO focused on creating innovative solutions to meet the needs of our clients and improve patient outcomes. Your Role: In the Scientist, Analytical Development role you will have the opportunity to focus on developing cell-based, ELISA, HPLC, and/or CE methods and other analytical techniques to identify and characterize protein biologics.
div>Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators.
A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone.