Jobs in the United States

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Added 52 mins ago
Director of Academic Finance & Strategic Planning
Cornell Univ (NYS Colleges & Exper Sta)
United States
…budget policies; coordinating allocation and policy issues with senior leadership; monitoring resource use; modeling the impact of program and policy changes; and providing specialized…
Added 1 hour ago
Senior Learning Design Professional
Humana Insurance Company
Remote, United States
Humana Healthy Horizons is looking for a Senior Learning Design Professional who will use instructional design, cognitive psychology and adult learning theory to determine the appropriate…
Added 1 hour ago
Program Delivery Lead, Benefit Enablement & Execution
Humana Inc.
Remote, United States
Communicate conclusions, open questions and recommended actions in a format appropriate for working teams and senior leaders
Added 1 hour ago
Financial Analytics Lead
Humana Inc.
Remote, United States
Seeking a Financial Analytics Lead with deep healthcare analytics expertise to lead valuation, forecasting, methodology development, and analytical decision support. This role centers on…
Added 1 hour ago
Credentialing Specialist I
Cisive
Remote, United States
…compliance checks that support LicenseManager Pro and SanctionCheck operations. Specialists progress through four levels (I–IV) with increasing independence, cross-functional expertise, and…
Added 2 hours ago
CC
Service Desk Senior Technician (part-time)
Chesterfield County
Chesterfield County, VA
- $29.88 to $40.32 USD / hour
- Part-time
…equivalent combination of training and experience, such as an associate's degree with one year of desktop experience or a bachelor’s in computer science or related…
Added 2 hours ago
Senior Research Associate, Cell Biology & Assay Development
Deep Origin
South San Francisco, CA
We are hiring a hands-on Senior Research Associate to build and run the cell-based assays and engineered cell lines behind our drug discovery programs. You will work day to day with a…
Added 2 hours ago
Showroom Manager
Ferguson Enterprises, LLC
Warrensville Heights, OH · Valley View, OH
Actively leads day-to-day showroom operations which includes the Showroom team, collaboration with Senior Showroom Manager, Showroom Operations Manager to focus on Showroom Displays, the…
Added 2 hours ago
Accounting & Financial Outsourcing Consultant - Equine
Dean Dorton
Remote, United States
…services to Equine clients. Working under the direction of Senior Consultants, Managers, and Directors, this role completes recurring accounting processes, performs assigned month-end close…
Added 2 hours ago
Graduate Development Program, Associate Engineer, Electrical Planning and Design
natgridProd
Syracuse, NY · Buffalo, NY · Albany, NY
Are you ready to start your electrical engineering career and help shape the future of the electric grid? As an Associate Engineer in Electrical Planning and Design, you’ll support projects…
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Graduate Development Program, Associate Specialist, Customer Energy Integration
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Graduate Development Program, Associate Product Manager, US Electric IT
natgridProd
Syracuse, NY · Waltham, MA
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Graduate Development Program, Associate Technology Engineer, Technology Engineering
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Northboro, MA · Buffalo, NY · Syracuse, NY · Waltham, MA
Are you ready to build technology that supports the future of energy? As an Associate Technology Engineer on the Technology Engineering team, you’ll help develop data and AI solutions that…
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Deep Origin

Senior Research Associate, Cell Biology & Assay Development

South San Francisco, CA, United States

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Job details

Posting language: English
Posted: Oct 28, 2026

Original job description

About DeepOrigin Deep Origin is building ambitious science in a fast-moving environment, combining AI and physics-based methods with wet-lab biology to advance drug discovery. The people who thrive here are accountable, adaptable, rigorous, humble, and direct. Across roles, we look for:

Ownership through to the result. An experiment isn't done until the data are analyzed, the conclusion is written down, and whoever needs it next has it.
Judgment under incomplete information. You resolve what you need to know, commit to a defensible course of action, and revise when the evidence warrants it.
Exacting about the work, unguarded about yourself. You hold data to a standard that survives scrutiny, and you drop your own interpretation when someone shows you better evidence.
Transparency as a working habit. You surface problems while they are cheap to fix, and you explain your results so chemists, engineers, and computational colleagues can act on them.

About the role We are hiring a hands-on Senior Research Associate to build and run the cell-based assays and engineered cell lines behind our drug discovery programs. You will work day to day with a senior scientist in R&D, owning bench execution while helping shape assay strategy. Your core work: maintaining mammalian cell lines, engineering them with RNP-based CRISPR (knockouts and knock-ins), generating validated stable lines, and turning them into robust functional assays. The data you generate feeds directly into AI and physics-based compound design, so quality and reproducibility matter as much as throughput.

Applicants must be authorized to work for any employer in the U.S. We are unable to sponsor or take over sponsorship of an employment Visa at this time.

Bachelor's or Master's degree in biology, cell biology, bioengineering, biochemistry, immunology, or a related discipline, or an equivalent combination of education and experience.
Relevant hands-on laboratory experience
Demonstrated mammalian cell culture experience with strong aseptic technique, including routine maintenance of multiple lines in parallel.
Hands-on experience with CRISPR gene editing: knockout generation, and ideally knock-in, with validation of edited clones.
Experience with transient transfection, and with generating and validating stable cell lines, including clonal selection and banking.
Experience executing at least one cell-based assay readout, such as flow cytometry, plate-based viability, reporter, or proliferation assays.
Ability to analyze data, assess assay quality, communicate findings clearly, and work in a collaborative, multidisciplinary setting.
Commitment to laboratory safety, research integrity, accurate documentation, and responsible handling of biological materials.

Nice to have qualifications

Hands-on RNP-based CRISPR knockout and knock-in using Lonza Nucleofector platforms (4D-Nucleofector or equivalent), including program and buffer selection for the target cell type.
Experience with high-throughput or automated assay platforms, including 96- or 384-channel electronic pipetting systems and benchtop pipetting robots (INTEGRA VIAFLO, MINI 96, VOYAGER, ASSIST PLUS or comparable), and multimode plate readers.
Experience developing or optimizing BRET, TR-FRET/HTRF, or related proximity-based assay formats .
Molecular biology bench skills: construct and primer design, cloning, qPCR or digital PCR, Western blot.
Drug discovery experience in biotech or pharma, including work on a target-to-lead or lead-optimization program.
Familiarity with assay qualification concepts: design of experiments, dose-response analysis, curve fitting, acceptance criteria, and statistical assessment of assay variability.
Experience with neuronal or other CNS-relevant cell models. .
Experience with multiplexed editing, including triple knockouts or combined knockout and knock-in lines.

Key responsibilities

Mammalian cell culture

Culture, expand, and maintain mammalian cell lines under strict aseptic technique; monitor health, viability, density, and passage history.
Maintain cryopreserved stocks, run mycoplasma and identity checks, and keep accurate lineage records.

Genome engineering

Optimize RNP-based CRISPR/Cas editing in mammalian cell lines: single and double knockouts.
Design and execute targeted knock-in strategies, including donor design, delivery optimization, and editing-efficiency assessment.
Genotype and validate edits by sequencing, qPCR or digital PCR, and protein-level readouts.

Stable cell line generation

Perform transient transfections to test constructs quickly, optimizing reagent, nucleic acid amount, and harvest timing, and confirming expression before committing to a stable line.
Generate stable lines using viral and non-viral delivery; perform clonal selection, expansion, functional validation, and banking.
Characterize clones for expression level, assay performance, and stability over passage.

Cell-based assay development

Develop, optimize, and run functional assays: plate-based, reporter and proximity-based assays; flow cytometry; and other cellular functional readouts.
Optimize seeding density, stimulation conditions, dose range, incubation time, controls, and acceptance criteria to improve sensitivity, dynamic range, and reproducibility.
Prepare test articles, reagents, controls, and assay plates according to established protocols and study plans .

Data, documentation, and communication

Analyze dose-response data, fit curves, assess assay quality (Z', signal window, variability), and flag trends, outliers, and deviations.
Keep complete, timely records in the electronic lab notebook, consistent with data-integrity expectations.
Present results at team meetings and contribute figures and data to technical reports.

Lab operations

Troubleshoot routine assay and culture problems, escalate significant deviations, and partner with colleagues to improve method robustness and transferability.
Support reagent preparation, inventory, equipment upkeep, sample tracking, and safety compliance.
Manage assigned work to agreed timelines.

Working conditions This is a primarily onsite, laboratory-based position in South San Francisco. The role involves regular use of standard laboratory equipment and PPE, work with biological samples and research reagents, prolonged standing or sitting, repetitive hand motions, and moving laboratory supplies up to approximately 25 pounds, with reasonable accommodation as needed. Occasional work outside standard business hours may be required for time-sensitive experiments. Travel is minimal.

Competitive compensation package with meaningful equity.
Comprehensive health, dental, and vision coverage.
Annual team gatherings and company events.
Free lunch, snacks, beverages, and onsite gym access (for in-office employees).

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