Top 164 Senior scientist Jobs in Middlesex, Nj

Sr. Scientist - Bioassay
Celltrion Branchburg, LLC —Branchburg, NJ
- $87,000 - $147,000 a year
- Full-time
- 5 years
- Master's degree
- Bachelor's degree
- Paid holidays
- Disability insurance
Quick Apply
3d
Senior Scientist, R&D - Assay Development
Hims & Hers —South Plainfield, NJ
- $125,000 - $140,000 a year
- Full-time
- Master's degree
- Bachelor's degree
- Doctor of Philosophy
- Employee stock purchase plan
- Health insurance
Senior Research Chef & Food Scientist
International Flavors & Fragrances —South Brunswick Township, NJ
- $97,916 - $139,880 a year
- Full-time
- Bachelor of Science
- Databases
- Bachelor's degree
SR. DRUG SAFETY ASSOCIATE
Zenith LifeScience —South Plainfield, NJ
- $70,000 - $80,000 a year
- Full-time
- Mid-level
- Bachelor's degree
- 1 year
Senior Scientist: Genomics
Thermo Fisher Scientific —Lawrenceville, NJ
- $80,000 - $90,000 a year
- Full-time
- Analysis skills
- Bachelor's degree
- Continuous improvement
- Commuter assistance
- Paid parental leave
Senior Scientist
Primera Analytical Solutions —Cranbury, NJ
- Mid-level
- Master's degree
- Analysis skills
Senior Scientist
Evotec —Princeton, NJ
- $80,750 - $109,250 a year
- Full-time
- Microsoft Word
- Microsoft Outlook
- Master's degree
- Commuter assistance
- Paid holidays
8d
Senior Formulation Scientist
Aquestive Therapeutics Inc. —Warren, NJ
- $115,000 - $125,000 a year
- Background check
- 5 years
- Pass drug screening
Quick Apply
Senior, Microbiologist
US Pharma Lab —North Brunswick, NJ
- Extended hours
- Microsoft Word
- Microsoft Excel
- 5 years
- AD&D insurance
- Paid holidays
Senior Scientist I
WuXi AppTec —Cranbury, NJ
- $100,000 - $115,000 a year
- Ability to walk for extended periods
- Office
- 3 years
Scientist/Sr. Scientist, Clinical Pharmacology
SystImmune —Princeton, NJ
- $90,000 - $140,000 a year
- Full-time
- Mid-level
- Analysis skills
- Doctor of Philosophy
- Paid holidays
- Disability insurance
Senior Analytical Transfer Scientist
Cellares —Bridgewater, NJ
- $90,000 - $210,000 a year
- Full-time
- 6 years
- Master's degree
- Doctor of Philosophy
- Health insurance
- Dental insurance
Sr Research Scientist 1
NEVAKAR INJECTABLES INC —Bridgewater, NJ
- $120,000 - $130,000 a year
- Full-time
- 3 years
- Bachelor's degree
- Continuous improvement
Quick Apply
Sr. Researcher
Nouryon —Bridgewater, NJ
- $88,000 - $144,440 a year
- Full-time
- Master's degree
- Project management
- Doctor of Philosophy
- Paid holidays
- Dental insurance
Senior Formulation Scientist
Sciecure Pharma Inc. —Monmouth Junction, NJ
- Full-time
- Doctor of Philosophy
- Senior level
- 2 years
Senior Scientist I, Bioanalytical
WuXi AppTec —Cranbury, NJ
- Ability to walk for extended periods
- Office
- 3 years
Senior Scientist – BioAnalytical Development
Primera Analytical Solutions —Cranbury, NJ
- Mid-level
- Master's degree
- 1 year
Senior Analytical Chemist
Alliance Technologies, LLC —Monmouth Junction, NJ
- $80,000 - $100,000 a year
- Full-time
- Bachelor of Science
- 3 years
- Master's degree
- Health savings account
- Disability insurance
Quick Apply
10d
LC/MS Sr. Scientist
Accurant —Princeton, NJ
- $70,000 - $120,000 a year
- Full-time
- Bachelor of Science
- Laboratory experience
- Research
- Health insurance
- Dental insurance
Quick Apply
Senior Manager, R&D Product Development
Church & Dwight —Princeton, NJ
- $149,700 - $213,200 a year
- Full-time
- Hybrid work
- 5 years
- Office
- Bachelor's degree
- Profit sharing
- Paid parental leave

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senior scientist jobs near middlesex, nj

Sr. Scientist - Bioassay

Celltrion Branchburg, LLC
Branchburg, NJ

Quick Apply

Job Details

Full-time
$87,000 - $147,000 a year
3 days ago

Benefits

Paid holidays
Disability insurance
Health insurance
Dental insurance
Paid time off
Vision insurance
Life insurance
Retirement plan

Qualifications

Incident investigation techniques for hazard identification
Data integrity assurance
Biology
Regulatory inspections
USP standards
Statistics
Stability testing
Immunological assays
Biochemistry
Content creation for technical audiences
Investigations regulatory compliance
Quality records maintenance
Defect resolution root cause analysis
Statistics
Master's degree in microbiology
Stability studies in drug product development
Automation
Technical documentation
Immunological laboratory techniques
5 years
Quality control statistical data analysis
Preventive action implementation
Scientific research
Master's degree in Biochemistry
Continuous improvement (laboratory quality control method)
Technical writing experience within manufacturing
Production deviation management
Statistical analysis for research
TrackWise
Biotechnology

Full Job Description

Celltrion is a leading biopharmaceutical company that specializes in research, development and manufacturing of innovative therapeutics. We are committed to delivering innovative and affordable medications to promote patients’ access to advanced therapies. We have been at the forefront of biotherapeutic development uncovering new ways of targeting the drivers of disease by creating next-generation biologics and small molecule products.

Celltrion Branchburg, LLC is a subsidiary of Celltrion USA, established in 2025 following Celltrion USA’s acquisition of Eli Lilly’s drug substance (DS) manufacturing facility located in Branchburg. By linking robust local manufacturing capabilities with an existing direct sales network, we aim to generate greater synergies across our operations. Looking ahead, we also anticipate expanding into the global contract manufacturing organization (CMO) sector.

Position Brand Description:

We are seeking a highly motivated Scientist – Bioassay to join our Quality Control organization. The successful candidate will perform complex cell-based and biochemical bioassays supporting commercial product release, stability testing, method transfers, validation, and lifecycle management in a GMP-regulated environment. This role requires strong technical expertise, scientific problem-solving skills, and the ability to lead laboratory investigations while ensuring compliance with global regulatory requirements.

Key Responsibilities

Perform routine and non-routine bioassay testing using cell-based and ligand-binding assays like ELISA, qPCR, Cell based Potency assay, cell viability assays, and enzyme activity assays as applicable.
Deliver high-quality bioassay results with minimal errors.
Ensure accurate documentation following ALCOA+ data integrity principles.
Review and interpret assay results.
Trend assay performance and identify shifts in assay variability.
Prepare technical reports and laboratory documentation.
Maintain laboratory notebooks and electronic records in compliance with GMP.
Support assay qualification, validation, verification, and method transfers.
Participate in assay optimization and continuous improvement initiatives.
Assist in implementation of new technologies and automation.
Lead laboratory investigations involving OOS, OOT, deviations, and atypical results within established timelines.
Perform root cause analysis using scientific and statistical approaches.
Develop and implement effective CAPAs.
Ensure compliance with FDA, EMA, ICH, USP, and internal quality requirements.
Support regulatory inspections and audits.
Maintain inspection-ready documentation.
Utilize LIMS, Nugenesis, SoftMax Pro, electronic laboratory notebooks (ELN), and laboratory execution systems.
Partner and work efficient with cross functional teams.
Support technology transfer activities for new products.
Participate in project teams and continuous improvement initiatives.
Train and mentor analysts.
Develop SOPs and laboratory procedures.
Promote a culture of scientific excellence and operational efficiency.

Required Qualifications

Education

Master’s degree in biology, Microbiology, Biochemistry, Biotechnology, Immunology, Pharmaceutical Sciences, or related field with 5–7 years of relevant Bioassay experience; or
Bachelor’s degree with 7–10 years of relevant GMP laboratory experience in Bioassay.

Preferred Skills

Strong understanding of assay variability and bioassay statistics.
Experience with method validation and technology transfer.
Experience with electronic quality systems (Track Wise, Veeva, SuccessFactors, etc.).
Excellent technical writing and presentation skills.
Strong problem-solving and root cause analysis capabilities.
Effective communication and collaboration across multidisciplinary teams.

This role is exempt and the anticipated compensation for this role is $87,000 - $147,000.

This is a banded role, and candidates will be placed within the range based on experience, skills, internal equity, and market considerations.

Celltrion Branchburg, LLC offers a comprehensive benefits package that includes paid time off (holidays, vacation, and additional leave), medical, dental, and vision insurance, life insurance, a company-matched retirement savings plan, wellness programs, and short- and long-term disability benefits. Hybrid work flexibility may be available based on business needs; relocation assistance is not provided.

Celltrion Branchburg, LLC is proud to be Equal Opportunity Employer and does not discriminate on the basis of age, race, color, religion, gender, sexual orientation, gender identity or expression, national origin, protected veteran status, disability, or any other legally protected status.

Quick Apply

Refine Your Search

senior scientist jobs in middlesex, nj

Sr. Scientist - Bioassay

Senior Scientist, R&D - Assay Development

Senior Research Chef & Food Scientist

SR. DRUG SAFETY ASSOCIATE

Senior Scientist: Genomics

Senior Scientist

Senior Scientist

Senior Formulation Scientist

Senior, Microbiologist

Senior Scientist I

Scientist/Sr. Scientist, Clinical Pharmacology

Senior Analytical Transfer Scientist

Sr Research Scientist 1

Sr. Researcher

Senior Formulation Scientist

Senior Scientist I, Bioanalytical

Senior Scientist – BioAnalytical Development

Senior Analytical Chemist

LC/MS Sr. Scientist

Senior Manager, R&D Product Development

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