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Assay Development Scientist Jobs in Washington (NOW HIRING)

Merck Group

Scientist 1 - Virology

Rockville, MD · On-site

$75K - $112K/yr

As a Scientist 1- Virology your activities will support assay development through commercial application of new and innovative service offerings within the biosafety testing space. You are ...

MSD

Associate Scientist

Gaithersburg, MD · On-site

$78K - $116K/yr

... assay development projects with minimal supervision. This is a laboratory-based position ... EXPERIENCE AND QUALIFICATIONS: • Bachelor's degree in life sciences, or related area is required ...

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How much do assay development scientist jobs pay per hour?

As of Aug 22, 2026, the average hourly pay for assay development scientist 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 is an assay development scientist?

An Assay Development Scientist designs, optimizes, and validates biochemical and cell-based assays for drug discovery, diagnostics, or research applications. They work with a variety of techniques such as ELISA, PCR, and high-throughput screening to measure biological or chemical responses. Their role involves troubleshooting, data analysis, and collaboration with cross-functional teams to ensure assay accuracy and reproducibility.

What does an assay development scientist do?

A typical day for an Assay Development Scientist involves designing experiments, running and optimizing biochemical or cell-based assays, analyzing data, and documenting results. You will often collaborate closely with cross-functional teams, including research scientists, project managers, and quality assurance specialists, to ensure assays meet project requirements. Regular meetings to discuss progress, troubleshoot technical challenges, and plan next steps are common. The role also involves staying up-to-date with new technologies and industry standards to continuously improve assay performance.

What are the key skills and qualifications needed to thrive as an assay development scientist?

To thrive as an Assay Development Scientist, you need a strong background in biochemistry, molecular biology, or a related field, along with experience in assay design, optimization, and validation. Proficiency with laboratory instrumentation such as plate readers, liquid handlers, and data analysis software (e.g., GraphPad Prism or SoftMax Pro), as well as familiarity with regulatory guidelines, is often required. Effective problem-solving, meticulous attention to detail, and strong communication skills set exceptional candidates apart. These abilities ensure the successful development of reliable assays, facilitate collaboration with interdisciplinary teams, and support impactful scientific advancements.

What are the most commonly searched types of Assay Development Scientist jobs in Washington?

The most popular types of Assay Development Scientist jobs in Washington are:

What are popular job titles related to Assay Development Scientist jobs in Washington?

For Assay Development Scientist jobs in Washington, the most frequently searched job titles are:

What job categories do people searching Assay Development Scientist jobs in Washington look for?

The top searched job categories for Assay Development Scientist jobs in Washington are:

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Assay Development Scientist jobs near you
Infographic showing various Assay Development Scientist job openings in Washington as of August 2026, with employment types broken down into 1% As Needed, 80% Full Time, 11% Part Time, 2% Temporary, and 6% Contract. Highlights an 86% Physical, 2% Hybrid, and 12% Remote job distribution, with an average salary of $91,083 per year, or $43.8 per hour.

Senior Scientist II - Translational Pathologist

MacroGenics, Inc.

Rockville, MD • On-site

$126K - $192K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 8 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:
This position is not impacted by the business announcement issued on May 11, 2026 and will remain with MacroGenics. Please refer to the company press release for additional information: https://ir.macrogenics.com/news-releases/news-release-details/macrogenics-sell-gmp-manufacturing-operations-bora
The Senior Scientist II - Translational Pathologist will support tissue-based pathology activities across MacroGenics' antibody-drug conjugate (ADC) and immunotherapy programs from discovery through IND-enabling studies and early clinical development. This role is responsible for execution of day-to-day histopathologic and biomarker pathology activities, including slide review, assay support, digital pathology analysis, and coordination with external CROs.
The position will work closely with the Senior Director of Pathology and cross-functional team members to deliver high-quality pathology data that informs target selection, translational strategy, safety assessment, and development decisions. Scientific and regulatory accountability remains with senior pathology leadership.
Responsibilities and Job Duties
Preclinical & Translational Pathology
  • Perform necropsy and primary histopathologic assessment of tissues from in vivo pharmacology studies, including H&E, IHC, and multiplex immunofluorescence.
  • Conduct first-pass assessment of target expression, on-target/off-tumor findings, ADC payload-related tissue injury, and tumor-immune microenvironment features relevant to immunotherapy programs.
  • Prepare draft pathology interpretations, figures, and written summaries for internal review and program discussions.

Biomarker & Assay Support
  • Execute pathology components of translational biomarker strategies as defined by senior Pathology and Translational Medicine leadership.
  • Support development, optimization, and validation of single plex IHC and multiplex IHC and IF assays.
  • Perform tissue annotation and support development and optimization of digital pathology and image analysis algorithms under the guidance of the Senior Director of Pathology.
  • Contribute pathology data and figures to internal reports, study summaries, and regulatory-supporting documentation.
  • Coordinate biomarker assay development and validation with CROs.

Documentation & Data Stewardship
  • Draft pathology sections for study reports, slide decks, and internal presentations.
  • Maintain pathology image libraries, annotations, and reference materials.
  • Support development and maintenance of pathology-related SOPs, templates, and best practices.

Cross-Functional Collaboration
  • Present pathology findings in internal project team meetings.
  • Escalate and communicate complex findings, safety signals, or interpretation questions to the Translational Medicine leadership.

Minimum Qualifications
Education & Experience
  • MD, DVM, or PhD with formal training in pathology, histopathology, or a closely related discipline.
  • 3-5 years of experience in biomarker target validation, translational research, biotechnology, pharmaceutical, or CRO environments.

Skills & Abilities
  • Hands-on experience with histopathologic and immunohistochemical tissue evaluation.
  • Excellent pathology diagnostic skills.
  • Skilled in mIF development, validation and spatial analysis.
  • Experience with digital pathology and image analysis platforms (e.g., HALO, QuPath).
  • Strong scientific writing and communication skills.

Preferred Qualifications
  • MD/DVM strongly preferred.
  • Experience supporting ADC, immuno-oncology, or T-cell engager programs.
  • Experience working with AI/ML algorithms for digital pathology analysis.
  • Exposure to GLP toxicology studies and nonclinical safety assessments.
  • Experience working with external CROs.

Additional Information
The annual rate of pay for the Senior Scientist II position ranges from $126,200-192,500. 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.

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