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Assay Development Jobs in Washington (NOW HIRING)

Associate Research Scientist

Gaithersburg, MD ยท On-site

$75K - $100K/yr

Our expert scientists perform large molecule bioanalysis, assay development, validation, and sample analysis at our GLP, GCP, and CLIA compliant laboratories. Smithers is seeking a talented Associate ...

Associate Research Scientist

Gaithersburg, MD ยท On-site

$75K - $100K/yr

Our expert scientists perform large molecule bioanalysis, assay development, validation, and sample analysis at our GLP, GCP, and CLIA compliant laboratories. Smithers is seeking a talented Associate ...

Biologist

Bethesda, MD

$74K - $124K/yr

Troubleshoot laboratory equipment, software, and assays; support assay development, validation, and implementation of new technologies. * Participate in quality assurance activities, including review ...

Work products and documents related to test/assay development, validation and implementation of new equipment and reagents; perform validation and recording of specimens in all appropriate software ...

Work with staff on test assay development, validation and implementation of new equipment and reagents in the sequencing area in order to provide a more efficient high-throughput test; maintain ...

Minimum 4 years of hands-on work experience in biological sample testing or reagent/assay development in an industrial setting is preferred; academic setting considered * Demonstrated proficiency in ...

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Assay Development information

See Washington salary details

$23

$43

$69

How much do assay development jobs pay per hour?

As of Jul 5, 2026, the average hourly pay for assay development in Washington is $43.79, according to ZipRecruiter salary data. Most workers in this role earn between $32.12 and $52.26 per hour, depending on experience, location, and employer.

What are some common challenges faced when developing new assays, and how can they be addressed?

Assay Development professionals often encounter challenges such as optimizing assay sensitivity and specificity, troubleshooting inconsistent results, and adapting protocols for high-throughput environments. These issues are typically addressed through systematic optimization of reagents and conditions, rigorous validation, and collaboration with cross-functional teams like R&D, quality assurance, and automation specialists. Clear documentation and regular team meetings also help in quickly identifying and resolving technical hurdles, ensuring the assay meets project goals and regulatory standards.

What are the key skills and qualifications needed to thrive in Assay Development, and why are they important?

To thrive in Assay Development, you need a solid background in biochemistry, molecular biology, or a related field, often supported by a relevant degree or advanced training. Familiarity with laboratory instrumentation, data analysis software, and validation protocols is typically required, along with experience in techniques like ELISA, PCR, or cell-based assays. Strong attention to detail, problem-solving abilities, and effective collaboration are crucial soft skills in this role. These competencies ensure the accuracy, reliability, and efficiency of assays, which are critical for research, diagnostics, and product development.

What is assay development?

Assay development is the process of designing and optimizing laboratory tests to detect or measure specific substances, such as proteins, nucleic acids, or small molecules. It involves selecting appropriate techniques, reagents, and controls to ensure accuracy, sensitivity, and reproducibility for research or diagnostic purposes. Assay development often requires knowledge of biochemistry, instrumentation, and validation procedures.

What does an assay development scientist do?

An assay development scientist designs, optimizes, and validates laboratory tests to measure specific biological or chemical substances. They work with techniques such as ELISA, PCR, or spectrophotometry, often using specialized equipment and adhering to regulatory standards. Their goal is to create reliable assays for research, diagnostics, or pharmaceutical applications.

What biology jobs pay over $100k?

Assay development roles in biotechnology and pharmaceutical companies often pay over $100,000 annually, especially for senior scientists with advanced skills in molecular biology, assay design, and data analysis. Positions such as senior research scientists, lead assay developers, and regulatory specialists typically require relevant experience, advanced degrees, and proficiency with laboratory tools and protocols.

What is an assay technician?

An assay technician is a laboratory professional responsible for performing and analyzing assays, which are tests used to measure the presence or concentration of substances in samples. They typically follow standardized protocols, operate specialized equipment, and ensure data accuracy in research or quality control settings.

What is the difference between Assay Development vs Laboratory Scientist?

AspectAssay DevelopmentLaboratory Scientist
CredentialsBachelor's or Master's in Life Sciences, relevant certificationsBachelor's or Master's in Life Sciences, relevant certifications
Work EnvironmentResearch labs, biotech companies, pharmaceutical firmsResearch labs, hospitals, biotech companies
Industry UsageDesigning and optimizing assays for research and diagnosticsPerforming experiments, data collection, and analysis

Assay Development focuses on creating and optimizing diagnostic or research assays, while Laboratory Scientists perform experiments and analyze data within the lab. Both roles require similar educational backgrounds and often work in similar environments, but their core responsibilities differ in scope and focus.

What cities in Washington are hiring for Assay Development jobs? Cities in Washington with the most Assay Development job openings:
Infographic showing various Assay Development job openings in Washington as of June 2026, with employment types broken down into 53% Full Time, 6% Part Time, 4% Contract, 35% Nights, and 2% Summer. Highlights an 93% Physical, 2% Hybrid, and 5% Remote job distribution, with an average salary of $91,083 per year, or $43.8 per hour.
Principal Scientist (Physicochemical Assay)

Principal Scientist (Physicochemical Assay)

MacroGenics, Inc.

Rockville, MD โ€ข On-site

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 17 days ago


Job description

MacroGenics is a leader in the discovery and development of innovative medicines that utilize our next generation antibody-based technologies. Our team of 350+ dedicated individuals is advancing a pipeline of product candidates to treat patients with cancer. Our products and platforms have attracted multiple partnerships with leading pharmaceutical and biotechnology companies around the globe.
The Company considers its employees to be its most valuable asset and we are committed to providing opportunities for individuals to learn and grow as a means to further their professional development. MacroGenics' corporate culture promotes an atmosphere of innovation, open communication and teamwork where employees can see firsthand how they contribute to the success of the organization.
Summary of Position:
The Principal Scientist is a technical and strategic leader responsible for development, qualification, transfer, and lifecycle management of physicochemical assays (e.g. chromatography, electrophoresis), as well as managing sample testing with physicochemical assays, for biopharmaceutical products (monoclonal antibodies, bispecifics, and antibody-drug conjugates). This position is in a cross-functional, fast-paced, and collaborative environment, applying strong troubleshooting ability, scientific rigor, and a results-driven mindset to support programs from early development through commercialization. The role demands high accountability, proactive planning, and timely execution of deliverables. The Principal Scientist will supervise and mentor team members while serving as a subject matter expert in physicochemical assay development and testing.
Responsibilities and Job Duties:
  • Lead a team of scientists to develop phase-appropriate, fit-for-purpose and robust physicochemical assays (e.g., SEC, IEC, CE, cIEF, PS80, DAR, etc.) to support biologic product development and release.
  • Oversee physicochemical method development and transfer to the Quality Control (QC) team. Support method qualification and method validation at QC.
  • Manage day-to-day activities of the Physicochemical team, ensuring timely delivery of high-quality results.
  • Provide technical leadership and hands-on troubleshooting support on analytical methods and instruments.
  • Manage project timelines for physicochemical method development and sample testing, and proactively communicate risks, progress, and mitigation strategies to stakeholders.
  • Optimize resource allocation to align the Physicochemical team's operations with the company's goals and timelines.
  • Author and review SOPs, technical protocols and reports, and regulatory filings.
  • Oversee preventive maintenance service contracts of instruments to ensure optimal instrument performance.
  • Foster strong cross-functional communication and collaboration with other functions.
  • Drive adaptation of new technologies and data-driven approaches to enhance efficiency and throughput.
  • Foster a high-performance culture by coaching and mentoring scientists, promoting scientific excellence, accountability, and ownership.
  • Present findings and strategies at internal meetings, technical forums, and external conferences. Participate in industry consortia and align internal strategies with industry practice.

Qualifications
Education & Experience
  • PhD. in Biochemistry, Analytical Chemistry, Chemical Engineering, Pharmaceutical Sciences or related discipline with 6+ years of related industry experience, including 6+ years on physicochemical method development;

or
  • Master's degree with 12+ years of related industry experience;

or
  • Bachelor's degree with 14+ years of related industry experience
  • 4+ years hands-on experience in physicochemical method development.
  • 3+ years of people management experience with demonstrated ability to coach, develop and motivate high-performing teams
  • Prior experience in preparing analytical sections of IND, BLA and regulatory responses.

Knowledge, Skills and Abilities
  • Experience in troubleshooting and root cause analysis on physicochemical assay performance and instruments, with a systematic, data-driven approach to resolving technical challenges
  • Familiarity with instruments and items used on physicochemical assays
  • Strong technical writing skills and attention to detail in documentation and data review
  • Experience in mentoring and developing scientific staff, promoting open communication and teamwork
  • Experience in logistic planning and using project management tools (MS Project, SmartSheet).
  • Solid understanding of CMC strategy, regulatory expectations, and phase appropriate analytical requirements
  • Proven success in delivering high-quality results on time, even under changing priorities and compressed timelines.
  • Demonstrated leadership and influence in cross-functional matrix environments

Preferred Qualifications
  • Knowledge in potency assays, residual impurity assays, and product characterization assays.
  • Knowledge in automation and high-throughput instruments.
  • Knowledge in Multi-Attribute Methods (MAMs).
  • Strong publication record and external scientific presence.
  • Experience in fostering partnership with clients of CDMO services.

Supervisory Responsibilities
Yes.
Additional Information
The annual rate of pay for this position ranges from $144,300 - $220,000. For non-exempt roles, and according to applicable regulations, there may be the possibility for overtime pay. This role is eligible for the Company's discretionary bonus and discretionary equity incentives. Eligible employees may participate in the Company's benefits programs, including medical / dental / vision / prescription coverage, employee wellness resources, 401(k) plan with employer match, access to an Employee Stock Purchase Plan, (ESPP), paid time off & paid parental leave benefits, and disability benefits.
The annual pay rate range is described in good faith, and the Company believes is the range of possible compensation for this role at the time of this posting depending on the candidate's experience, qualifications, geographic location, and other factors permitted by law. The Company may ultimately pay more or less than the posted range, and this range may be modified in the future. No amount is considered to be wages or compensation until such amount is earned, vested, and determinable under the terms and conditions of the applicable policies and plans. The amount and availability of any bonus, commission, benefits, or any other form of compensation and benefits that are allocable to a particular employee remains in the Company's sole discretion unless and until paid and may be modified at the Company's sole discretion, consistent with the law.
Statement
MacroGenics is proud to be an equal opportunity employer. Employment selection and related decisions are made without regard to race, color, national origin, sex, gender identity, sexual orientation, religion, age, disability, protected veteran status, or any other characteristic protected by federal, state or local law. We are committed to working with and providing reasonable accommodation to individuals with disabilities. If, because of a medical condition or disability, you need a reasonable accommodation for any part of the employment process, please email info@macrogenics.com or call (301) 354-3566 and/or 711 for TTD/TTY service.
Equal Opportunity Employer/Veterans/Disabled
We do not accept non-solicited resumes or candidate submittals from search/recruiting agencies.
Equal Opportunity Employer
This employer is required to notify all applicants of their rights pursuant to federal employment laws. For further information, please review the Know Your Rights notice from the Department of Labor.