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Senior Scientist – In Vivo Neuroimmunology

MSD


Job Location:

Boston, MA - USA

Monthly Salary: $ 119100 - 187500
Posted: 3 July 2026 (30+ days ago)
Application Deadline: 30 September 2026
Vacancies: 1 Vacancy

Job Summary

Job Description

Our companys Neuroscience is recruiting a Sr. Scientist in our Neuroimmunology team in Boston MA to lead in vivo model development and validation to advance novel immune-based therapies for CNS diseases. As a Sr. Scientist you will apply your expertise to evaluate PK/PD and disease-relevant endpoints in murine models to advance pipeline programs. This lab-based role requires independent ownership of study design execution sample processing and evaluation data analysis and clear communication of results to cross-functional project teams and stakeholders. The successful candidate will be able to work independently as well as proactively collaborate with colleagues to generate high-impact data to drive decision making and advance drug discovery.

Key responsibilities of the In Vivo Neuroimmunology Sr. Scientist include:

  • Design execute and report murine in vivo studies addressing target validation mechanism of action PK/PD and translational biomarkers; take endtoend ownership of study planning and documentation.

  • Perform and supervise dosing (IV IP PO SC and other routes) blood collection cardiac perfusion and careful dissection/collection of CNS and peripheral tissues.

  • Prepare and fractionate tissues for biochemical and molecular assays (soluble/insoluble protein fractions) and execute immunoassays and RNA analyses (e.g. ELISA OLINK NULISA western blot flow cytometry qPCR/RTqPCR bulk and single-cell RNA sequencing).

  • Process curate and analyze datasets; apply statistical and computational tools to generate figures study reports and presentations that inform program decisions.

  • Troubleshoot and optimize experimental and analytical workflows validate new methods ensure reproducibility and maintain accurate records.

  • Communicate results clearly to project teams and the broader scientific community (internal reports presentations and publications) and uphold laboratory safety animal welfare and regulatory compliance while collaborating across functions and with external partners.

Work environment and travel:

  • This is an onsite laboratory position based in Boston. Occasional travel (<10%) may be required.

QUALIFICATIONS:

Education:

  • Masters (with 5 years) or Ph.D. (with 1 year) in Neuroscience Molecular Cell Biology Pharmacology Biology or related field with relevant experience

Required Experience and Skills:

  • Demonstrated handson experience designing and executing rodent in vivo experiments including stereotaxic surgeries (intracerebral and intracerebroventricular injections)

  • Proficiency with multiple routes of dosing blood collection methods cardiac perfusion and dissection of CNS (discrete brain regions spinal cord) and peripheral tissues

  • Practical experience preparing tissue fractions (soluble/insoluble proteins) and performing biochemical and molecular assays (e.g. ELISA OLINK NULISA western blot RNA sequencing or qPCR)

  • Experience independently analyzing and visualizing experimental data including from multiplexed platforms

  • Strong written and oral communication skills; ability to prepare study reports and present findings to diverse audiences

  • Ability to work independently within a collaborative crossfunctional team

Preferred Experience and Skills:

  • Industry drugdiscovery experience in pharmaceutical or biotech settings

  • Handson proficiency with murine procedures including CSF collection and osmoticpump implantation/management

  • Experience with inflammatory and neurodegenerative transgenic mouse models or with PK/PD and doseresponse study design/interpretation

  • Experience designing and executing sequencing studies (i.e. bulk RNAseq scRNAseq or snRNAseq) working knowledge of data analysis tools (Python and/or RStudio preferred) and experience generating figures/reports

  • Experience mentoring or supervising earlycareer scientists and collaborating across functional teams

  • Record of contributions to scientific publications or presentations

#EligibleforERP

Required Skills:

Biology Blood Specimen Collection Cardiac Perfusion Dosing In Vivo Animal Models In Vivo Experiment In Vivo Studies Molecular Biology Neuroscience Neuroscience Research Pharmacology Stereotaxic Surgery

Preferred Skills:

Current Employees apply HERE

Current Contingent Workers apply HERE

US and Puerto Rico Residents Only:

Our company is committed to inclusion ensuring that candidates can engage in a hiring process that exhibits their true capabilities. Please click here if you need an accommodation during the application or hiring process.

As an Equal Employment Opportunity Employer we provide equal opportunities to all employees and applicants for employment and prohibit discrimination on the basis of race color age religion sex sexual orientation gender identity national origin protected veteran status disability status or other applicable legally protected a federal contractor we comply with all affirmative action requirements for protected veterans and individuals with disabilities. For more information about personal rights under the U.S. Equal Opportunity Employment laws visit:

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We are proud to be a company that embraces the value of bringing together talented and committed people with diverse experiences perspectives skills and backgrounds. The fastest way to breakthrough innovation is when people with diverse ideas broad experiences backgrounds and skills come together in an inclusive environment. We encourage our colleagues to respectfully challenge one anothers thinking and approach problems collectively.

Learn more about your rights including under California Colorado and other US State Acts

The salary range for this role is

$119100.00 - $187500.00

This is the lowest to highest salary we in good faith believe we would pay for this role at the time of this posting. An employees position within the salary range will be based on several factors including but not limited to relevant education qualifications certifications experience skills geographic location government requirements and business or organizational needs.

The successful candidate will be eligible for annual bonus and long-term incentive if applicable.

We offer a comprehensive package of benefits. Available benefits include medical dental vision healthcare and other insurance benefits (for employee and family) retirement benefits including 401(k) paid holidays vacation and compassionate and sick days. More information about benefits is available at can apply for this role through (or via the Workday Jobs Hub if you are a current employee). The application deadline for this position is stated on this posting.

San Francisco Residents Only:We will consider qualified applicants with arrest and conviction records for employment in compliance with the San Francisco Fair Chance Ordinance

Los Angeles Residents Only:We will consider for employment all qualified applicants including those with criminal histories in a manner consistent with the requirements of applicable state and local laws including the City of Los Angeles Fair Chance Initiative for Hiring Ordinance

Search Firm Representatives Please Read Carefully
Merck & Co. Inc. Rahway NJ USA also known as Merck Sharp & Dohme LLC Rahway NJ USA does not accept unsolicited assistance from search firms for employment opportunities. All CVs / resumes submitted by search firms to any employee at our company without a valid written search agreement in place for this position will be deemed the sole property of our company. No fee will be paid in the event a candidate is hired by our company as a result of an agency referral where no pre-existing agreement is in place. Where agency agreements are in place introductions are position specific. Please no phone calls or emails.

Employee Status:

Regular

Relocation:

Domestic/International

VISA Sponsorship:

Yes

Travel Requirements:

10%

Flexible Work Arrangements:

Not Applicable

Shift:

1st - Day

Valid Driving License:

No

Hazardous Material(s):

N/A

Job Posting End Date:

07/7/2026

*A job posting is effective until 11:59:59PM on the day BEFOREthe listed job posting end date. Please ensure you apply to a job posting no later than the day BEFORE the job posting end date.


Required Experience:

Senior IC


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Merck & Co., Inc., Kenilworth, New Jersey, USA is known as “Merck” in the United States, Canada & Puerto Rico. We are known as “MSD” in Europe, Middle East, Africa, Latin America & Asia Pacific. We are a global biopharmaceutical leader with a diverse portfolio of prescription medicine ... View more

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