1

Overnight Downstream Processing Scientist Jobs (NOW HIRING)

Scientist, Engineering

Rahway, NJ · On-site

$87K - $137K/yr

... motivated scientist/engineer to work under technical direction of a group leader to support ... Clinical Manufacturing, Data Analysis, Detail-Oriented, Downstream Process Development ...

Scientist, Engineering

Rahway, NJ · On-site

$87K - $137K/yr

Significant experience with downstream processing of monoclonal antibody (mAb) products or similar products in a laboratory or manufacturing setting, including unit operations such as membrane ...

Scientist II, Downstream Location: This is an on-site position located in Pearland, TX. The purpose ... The ideal candidate will be responsible for leading new process development and improving existing ...

next page

Showing results 1-20

Overnight Downstream Processing Scientist information

See salary details

$36.5K

$79.4K

$137.5K

How much do overnight downstream processing scientist jobs pay per year?

As of Jun 12, 2026, the average yearly pay for overnight downstream processing scientist in the United States is $79,408.00, according to ZipRecruiter salary data. Most workers in this role earn between $57,500.00 and $93,000.00 per year, depending on experience, location, and employer.

What is the difference between Overnight Downstream Processing Scientist vs Downstream Processing Scientist?

AspectOvernight Downstream Processing ScientistDownstream Processing Scientist
Work SchedulePrimarily overnight shifts to support continuous productionStandard daytime shifts
ResponsibilitiesOversees overnight purification and processing steps, ensuring quality and efficiencyHandles overall downstream purification processes during regular hours
CredentialsBachelor's or Master's in Life Sciences, relevant industry certificationsBachelor's or Master's in Life Sciences, similar certifications
Work EnvironmentCleanroom, laboratory, manufacturing facilitiesLaboratory and manufacturing settings

Both roles require similar educational backgrounds and work environments, but the Overnight Downstream Processing Scientist specializes in overnight shift operations to maintain continuous production, whereas the Downstream Processing Scientist typically works during regular hours. The overnight role is crucial for 24/7 manufacturing processes in biotech and pharma industries.

What cities are hiring for Overnight Downstream Processing Scientist jobs? Cities with the most Overnight Downstream Processing Scientist job openings:
What are the most commonly searched types of Downstream Processing Scientist jobs? The most popular types of Downstream Processing Scientist jobs are:
What states have the most Overnight Downstream Processing Scientist jobs? States with the most job openings for Overnight Downstream Processing Scientist jobs include:
Infographic showing various Overnight Downstream Processing Scientist job openings in the United States as of June 2026, with employment types broken down into 1% As Needed, 21% Full Time, 58% Part Time, 4% Temporary, and 16% Contract. Highlights an 96% Physical, 1% Hybrid, and 3% Remote job distribution, with an average salary of $79,408 per year, or $38.2 per hour.
Scientist, Engineering

Scientist, Engineering

Merck & Co.

Rahway, NJ • On-site

$87K - $137K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

This job post has expired 2 days ago. Applications are no longer accepted.


Merck rating

7.8

Company rating: 7.8 out of 10

Based on 50 frontline employees who took The Breakroom Quiz

41st of 71 rated pharmaceutical


Job description

Job Description Position Description: - The Bioprocess Drug Substance and Commercialization (BDSC) group within our Manufacturing Division focuses on late-stage process development, technology transfer, and in-line support of biologics.•We seek a motivated scientist/engineer to work under technical direction of a group leader to support development and licensure. In this role, you will be responsible for:- Primary Responsibilities- Leading the hands-on execution of experiments in biologics downstream processing, including lab-scale process characterization, pilot-scale process development, and process scale-up/scale-down model development- Collaborating with commercial manufacturing teams as a process sciences representative to support facility start-up and in-line support activities, including on-the-floor support for drug substance manufacturing as needed- Authoring and/or reviewing technical documents to support Process Performance Qualification (PPQ) and licensure- - Position Qualifications :- Education Minimum Requirement:-- Bachelor's Degree or higher in Chemical Engineering, Chemistry, Biology or comparable discipline with 2+ years of experience.- - Required Experience and Skills: - Significant experience with downstream processing of monoclonal antibody (mAb) products or similar products in a laboratory or manufacturing setting, including unit operations such as membrane filtration, preparative chromatography, ultrafiltration or tangential flow filtration, and viral clearance unit operations- Mechanistic understanding of downstream processing separation sciences- Ability to understand and execute experiments independently in a manner that meets quality and timeline expectations- Well-developed communication, organizational, and problem-solving skills, with an attention to detail- - Preferred Experience and Skills:- Large molecule drug substance technology transfer- Collaboration with analytical teams, pilot-scale, and/or manufacturing environment- Experience authoring technical documentation in support of the following: process description, process characterization, process performance qualification, risk assessment, control strategy, process comparability reports, and/or regulatory submissions.- Current Good Manufacturing Practice (cGMP) awareness or experience- #EBRG #VetJobs Required Skills: Clinical Manufacturing, Data Analysis, Detail-Oriented, Downstream Process Development, Experimentation, Good Manufacturing Practices (GMP), Interdisciplinary Collaboration, Technical Writing, Technology Transfer, Writing Technical DocumentsPreferred 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 $87,300.00 - $137,400.00This 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: RegularRelocation:DomesticVISA Sponsorship:No Travel Requirements: 10%Flexible Work Arrangements:Not ApplicableShift:1st - DayValid Driving License:NoHazardous Material(s):Cleaning Supplies, BiohazardJob Posting End Date:06/10/2026 *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:R400559 Salary: . Date posted: 06/03/2026


What Merck employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom