Johnson & Johnson Posted September 9, 2026

Associate Scientist II Discovery, Immunology

Spring House, United States Full time
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About this opportunity

At Johnson & Johnson, we believe health is everything. Our strength in healthcare innovation empowers us to build a world where complex diseases are prevented, treated, and cured, where treatments are smarter and less invasive, and solutions are personal. Through our expertise in Innovative Medicine and MedTech, we are uniquely positioned to innovate across the full spectrum of healthcare solutions today to deliver the breakthroughs of tomorrow, and profoundly impact health for humanity. Learn more at jnj.com .

As guided by Our Credo, Johnson & Johnson is responsible to our employees who work with us throughout the world. We provide an inclusive work environment where each person is considered as an individual. At Johnson & Johnson, we respect the diversity and dignity of our employees and recognize their merit.

Job Function:

Discovery & Pre-Clinical/Clinical Development

Job Sub Function:

Biological Research

Job Category:

Scientific/Technology

All Job Posting Locations:

Spring House, Pennsylvania, United States of America

Job Description:

About Innovative Medicine

Our expertise in Innovative Medicine is informed and inspired by patients, whose insights fuel our science-based advancements. Visionaries like you work on teams that save lives by developing the medicines of tomorrow.

Join us in developing treatments, finding cures, and pioneering the path from lab to life while championing patients every step of the way.

Learn more at https://www.jnj.com/innovative-medicine

About Immunology

Our expertise in Innovative Medicine is informed and inspired by patients, whose insights fuel our science-based advancements. Visionaries like you work on teams that save lives by developing the medicines of tomorrow.

Our Immunology team leads in the development of transformational medicines for immunological disorders and illnesses. You can influence where medicine is going by restoring health to millions of people living with immune diseases.

Join us in developing treatments, finding cures, and pioneering the path from lab to life while championing patients every step of the way.

We are searching for the best talent for an In Vivo Associate Scientist in Immunology Discovery to be in Spring House, PA

The in vivo Associate Scientist II will be a member of the Immunology Discovery group in a fast paced, highly matrixed and interactive environment. This group is focused on discovering novel therapeutics to treat inflammatory and autoimmune diseases.

Position Overview

We are seeking a motivated individual to join our Spring House-based team and be part of a broader group including members in the Spring House (PA), La Jolla (CA), and Cambridge (MA) campus focusing on immune mechanisms and pathways in various immune-mediated diseases. The primary responsibility will be to actively engage in early discovery efforts by designing and executing in vivo and ex vivo experiments to support the Immunology Discovery strategy.  The candidate should have a strong background in in vivo biology and preferably proficiency in immunology models in the respiratory and autoimmune field. The candidate will have direct responsibility for the design and execution of experimental in vivo and ex vivo/in vitro strategies, closely overseeing the generation, analysis and accurate recording of data in compliance with data integrity requirements , and presentation of findings to peer scientists. The candidate will also possess a strong ability to independently implement experiments, interpret data, and troubleshoot issues.

Qualifications

 

Bachelor’s degree with biological sciences, toxicology or a related field with 2-3 years of pharmaceutical industry/CRO experience with in vivo work is required.

Demonstrated strong in vivo rodent handling skills that cover classic PK/PD models (dosing through various routes, blood collection; various methods), tissue harvesting and necropsies is required.

Proven track record of experience with disease models in the immunology space (respiratory, rheumatology, gastrointestinal, skin).

Experience with experimental design, study coordination, data interpretation and meticulous documentation.

Familiar with animal ethics and compliance requirements.

Self-motivated, proactive, strong attention to detail.

Excellent oral and written communication skills.

Strong collaborative mindset, able to work both in a team and independently.

Experience with ancillary in vitro and ex vivo assays to characterize effects of experimental medicines (cell cultures, multicolor flowcytometry, cytokine/inflammatory mediator assessment (ELISA, MSD, WB etc.) is preferred but not required.

Johnson & Johnson is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, age, national origin, disability, protected veteran status or other characteristics protected by federal, state or local law. We actively seek qualified candidates who are protected veterans and individuals with disabilities as defined under VEVRAA and Section 503 of the Rehabilitation Act.

Johnson & Johnson is committed to providing an interview process that is inclusive of our applicants’ needs. If you are an individual with a disability and would like to request an accommodation, external applicants please contact us via https://www.jnj.com/contact-us/careers . Internal employees contact AskGS to be directed to your accommodation resource.

#LI-Onsite

Required Skills:

Preferred Skills:

Analytical Reasoning, Biological Sciences, Communication, Data Analysis, Data Compilation, Data Savvy, Design of Experiments (DOE), Drug Discovery Development, Execution Focus, Laboratory Experiments, Molecular Diagnostics, Pharmaceutical Microbiology, Product Knowledge, Project Management, Report Writing, Scientific Research, Technologically Savvy, Troubleshooting

Job details

Seniority
Associate
Function
Drug Discovery & Preclinical Research
Therapeutic area
Immunology
Location
Spring House, United States
Employment type
Full time

How this role compares

Computed from every other active Drug Discovery & Preclinical Research role in our database, not just this employer's listings.

We currently track 85 comparable Associate Drug Discovery & Preclinical Research roles across 25 biopharma companies.

85Comparable roles tracked
72Currently active
25Companies hiring similar roles
10Countries represented

Salary context

25 of 85 peers report a salary range (USD, annualized)

Peers share this role's job function and a matching or adjacent seniority level -- not necessarily the same therapeutic area or country.

This roleSubject Not listed on this posting
Lowest disclosed · QSP postdoctoral scientist · Lilly $58,000/yr – $123,200/yr
Highest disclosed · Advisor – In Vivo CAR Discovery · Lilly $138,000/yr – $224,400/yr
Peer group range $90,600 – $181,200 (median $90,600)

Where these roles are based

Top locations among the 85 comparable roles

United States62
Germany7
Switzerland3
Canada3
Iceland3
Spain2

+ 4 more countries

Seniority mix

85 of 85 peers have a known seniority level

Intern/Fellow/Postdoc52
Associate24
Manager9

Therapeutic area mix

10 of 85 peers have a known therapeutic area; the rest are genuinely unlabeled, not hidden

Neuroscience4
Cardiovascular / CVRM2
Oncology2
Respiratory1
Immunology1

Similar opportunities

The closest matches from our peer group, ranked by how similar they are, not how well you'd qualify for them -- treat this as market context, not a guaranteed shortlist; a weak match is labeled as one below.

90%similar
Lilly San Diego, California, United States of America Intern/Fellow/Postdoc
Same function Same therapeutic area Adjacent seniority Same country
60%similar
Lilly Boston, Massachusetts, United States of America Associate
Same function Same seniority Same country
60%similar
Pfizer Cambridge, United States Associate
Same function Same seniority Same country
60%similar
Amgen Inc. Thousand Oaks, United States Associate
Same function Same seniority Same country
60%similar
Amgen Inc. Thousand Oaks, United States Associate
Same function Same seniority Same country
60%similar
Amgen Inc. South San Francisco, United States Associate
Same function Same seniority Same country

Notify me about similar jobs

Get an email when we spot other openings like this one – same job function, comparable seniority, roles you'd actually want to see.

How we calculate "similar"

No black box, no LLM guesswork: a deterministic score built from four normalized attributes. Here's this role's own peer group at different match levels, so you can see the mechanism, not just the result.

Every comparison starts from the same 100-point budget: 25 for working in the same function, 40 for the same therapeutic area, 20 for the same or adjacent seniority, 15 for the same country. A dimension we can't confirm on both sides contributes nothing, never a guess, never a free pass.

90%
Post-Doctoral Scientist- Immunology Discovery
Lilly · San Diego, California, United States of America · Intern/Fellow/Postdoc
Function Therapeutic area Adjacent seniority Country
60%
Associate Scientist
Amgen Inc. · Thousand Oaks, United States · Associate
Function Therapeutic area Seniority Country
60%
Associate Scientist - In Vivo Pharmacology
Amgen Inc. · Thousand Oaks, United States · Associate
Function Therapeutic area Seniority Country
60%
Associate Scientist – In Vivo Pharmacology, Oncology
Amgen Inc. · South San Francisco, United States · Associate
Function Therapeutic area Seniority Country
Unmatched or unknown dimensions score exactly the same: 0 points, never a partial guess. A role we know almost nothing about beyond its function bottoms out at 25%; it never inflates to 100% just because there's little to compare against. Seniority uses a defined ladder (Associate → Manager → Associate Director → Senior → Principal → Director → Senior Director → Executive/VP) so "Director" and "Senior Director" count as adjacent, but "Director" and "Executive/VP" do not.