Top 17 Senior chemist Jobs in Philadelphia Pa

Senior Scientist, Chemistry
Merck —West Point, PA
- $117,000 - $184,200 a year
- Full-time
- Bachelor of Science
- Analysis skills
- Bachelor's degree
- Paid holidays
- Health insurance
Senior Scientist, Product Development
Entegris —Ambler, PA
- $95,000 - $120,000 a year
- Full-time
- 3 years
- Presentation skills
- Doctor of Philosophy
- Paid holidays
- Health insurance
Senior Polymer Chemist
PIP Global Safety —Philadelphia, PA
- 5 years
- Master's degree
- Doctor of Philosophy
Quick Apply
Senior / Principal Scientist, LCMS - ADC & Related Modalities
Abzena Inc. —Bristol, PA
- Full-time
- 5 years
- Analysis skills
- Doctor of Philosophy
Quick Apply
Senior Chemist
Focus Laboratories —Cherry Hill, NJ
- $65,000 - $85,000 a year
- Full-time
- Bachelor of Science
- Bachelor's degree
- Mentoring
Quick Apply
Sr. Scientist, Analytical R&D
Merck —West Point, PA
- $117,000 - $184,200 a year
- Full-time
- Bachelor of Science
- Mid-level
- Bachelor's degree
- Paid holidays
- Health insurance
3d
Senior Analytical Technician – Plant Support (R&D/TS&D)
Dow —Collegeville, PA
- Full-time
- 3 years
- High school diploma or GED
- Continuous improvement
- Health insurance
- Paid time off
Research Scientist/Senior Research Scientist (Flow Chemistry)
Universal Display Corporation —Wilmington, DE
- $100,000 - $120,000 a year
- Full-time
- Doctor of Philosophy
- Organizational skills
- Senior level
- Health savings account
- Employee stock purchase plan
Senior Scientist, Reagent Technical Development and Operations (On-site)
Merck —West Point, PA
- $117,000 - $184,200 a year
- Full-time
- 3 years
- Analysis skills
- Bachelor's degree
- Paid holidays
- Health insurance
Senior Scientist II
Syensqo —Bristol, PA
- $99,000 - $120,000 a year
- Management
- Customer service
- Ability to lift 50 pounds
Quick Apply
Process R&D Senior Scientist
DuPont —Wilmington, DE
- Microsoft Excel
- Microsoft Outlook
- Residential
Sr. Scientist I LCMS
Resolian —Malvern, PA
- Full-time
- 5 years
- Bachelor of Science
- Bachelor's degree
5d
Senior Scientist, Bioanalytics
International Flavors & Fragrances —Wilmington, DE
- Full-time
- 11+ years
- Master's degree
- Bachelor's degree
Research Investigator Sr.
University of Pennsylvania —Philadelphia, PA
- $79,500 - $94,753 a year
- Full-time
- Background check
- Medicine
- 5 years
- Health insurance
- Dental insurance
FSP Senior Scientist-Scientific Writer
Thermo Fisher Scientific —Collegeville, PA
- Full-time
- Background check
- Pass drug screening
- Office
5d
Senior Quality Control Analyst
Veranova L P —West Deptford, NJ
- $35 - $45 an hour
- Email
- Bachelor of Science
- Project management
- Bachelor's degree
- Paid holidays
- Health insurance
Quick Apply
Sr Principal Scientist, Conjugation Process Development
Abzena Inc. —Bristol, PA
- Full-time
- Presentation skills
- Continuous improvement
- Doctor of Philosophy
Quick Apply

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Senior Scientist, Chemistry

Merck -
West Point, PA

Apply Now

Job Details

Full-time
$117,000 - $184,200 a year

Benefits

Paid holidays
Visa sponsorship
Health insurance
Dental insurance
401(k)
Vision insurance

Qualifications

Chromatography
Team motivation (leadership skill)
Spectroscopic techniques

Full Job Description

Job Description

Our Company is seeking creative chemists for positions within the Discovery Chemistry Department. The successful candidate will join multidisciplinary, highly collaborative discovery teams to invent novel medicines by applying innovative synthetic chemistry, analytical techniques, and data analysis to design and synthesize drug candidates and intermediates. Additionally, you will have the opportunity to expand your knowledge and skills through collaborations with talented and dedicated colleagues while advancing your career.

Specific responsibilities will include the following:

Act as an expert in the laboratory, executing on program and chemistry strategy.
Develop and utilize innovative synthetic, medicinal chemistry and/or chemical biology problem solving skills coupled with analysis of data sets to build structure-activity relationships.
Design, synthesize, purify, and characterize drug candidates and/or chemical probes in target identification and validation, hit-to-lead, and lead optimization programs.
Provide scientific mentoring and technical training of team members.
Establish a substantial external scientific presence including authoring significant scientific publications and presentations.

To accomplish the above, the successful candidate must be a creative and innovative scientist with strong organic synthesis, problem-solving, interpersonal, collaboration, and communication skills.

Education

B.S. in chemistry, chemical biology, medicinal chemistry, or a related scientific discipline with a minimum of seven (7) years of experience; M.S. in related fields with a minimum of four (4) years of experience; or a Ph.D. in related fields (to be received by Summer 2026).

Requirements

Prior experience in methodology/catalysis, total synthesis, chemical biology, bioconjugate chemistry, peptide synthesis, and/or physical organic chemistry
Ability to solve complex problems
Excellent interpersonal, collaboration, and communication skills

Required Skills:
Adaptability, Chemical Synthesis, Chromatography, Collaborative Communications, Creative Thinking, Data-Driven Decision Making, Motivation Management, Organic Chemistry, Organic Synthesis, Peptide Synthesis, Spectroscopy, Technical Training

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 characteristics. As 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:

EEOC Know Your Rights
EEOC GINA Supplement

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 another’s 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
$117,000.00 - $184,200.00
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 employee’s 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 https://jobs.merck.com/us/en/compensation-and-benefits.

You can apply for this role through https://jobs.merck.com/us/en (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

VISA Sponsorship:
Yes

Travel Requirements:
10%

Flexible Work Arrangements:
Not Applicable

Shift:
Not Indicated

Valid Driving License:
No

Hazardous Material(s):
N/A

Job Posting End Date:
09/12/2026*A job posting is effective until 11:59:59PM on the day BEFORE the listed job posting end date. Please ensure you apply to a job posting no later than the day BEFORE the job posting end date.

Requisition ID: R398925

Apply Now

Refine Your Search

senior chemist jobs in philadelphia pa

Senior Scientist, Chemistry

Senior Scientist, Product Development

Senior Polymer Chemist

Senior / Principal Scientist, LCMS - ADC & Related Modalities

Senior Chemist

Sr. Scientist, Analytical R&D

Senior Analytical Technician – Plant Support (R&D/TS&D)

Research Scientist/Senior Research Scientist (Flow Chemistry)

Senior Scientist, Reagent Technical Development and Operations (On-site)

Senior Scientist II

Process R&D Senior Scientist

Sr. Scientist I LCMS

Senior Scientist, Bioanalytics

Research Investigator Sr.

FSP Senior Scientist-Scientific Writer

Senior Quality Control Analyst

Sr Principal Scientist, Conjugation Process Development

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