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40 Repligen Scientist Jobs Hiring Near You

Repligen

Sr. Associate Scientist

Marlborough, MA

Make a global impact-join Repligen. We're united by a mission to inspire advances in bioprocessing ... Join us! The Sr. Associate Scientist is a hands-on R&D role focused on the development and ...

Repligen

Senior Director, Quality

Waltham, MA

$191K - $260K/yr

Make a global impact-join Repligen. We're united by a mission to inspire advances in bioprocessing ... Bachelor's degree in science, Engineering, Quality, Life Sciences, or a related field; advanced ...

Repligen

R&D Project Manager II

Marlborough, MA · On-site

$110K - $135K/yr

The position will touch on a wide array of Repligen product lines globally. This individual will ... Bachelor's degree in Engineering, Science, or a related discipline * Minimum of 3 years of leading ...

Repligen

Senior Director, Quality

Marlborough, MA

$191K - $260K/yr

Make a global impact-join Repligen. We're united by a mission to inspire advances in bioprocessing ... Bachelor's degree in science, Engineering, Quality, Life Sciences, or a related field; advanced ...

Repligen

R&D Project Manager II

Waltham, MA · On-site

$110K - $135K/yr

The position will touch on a wide array of Repligen product lines globally. This individual will ... Bachelor's degree in Engineering, Science, or a related discipline * Minimum of 3 years of leading ...

Repligen

R&D Project Manager II

Waltham, MA

$110K - $135K/yr

The position will touch on a wide array of Repligen product lines globally. This individual will ... Bachelor's degree in Engineering, Science, or a related discipline * Minimum of 3 years of leading ...

Repligen Corporation

Senior Director, Quality

Waltham, MA · On-site

$191K - $260K/yr

Make a global impact-join Repligen. We're united by a mission to inspire advances in bioprocessing ... Bachelor's degree in science, Engineering, Quality, Life Sciences, or a related field; advanced ...

Repligen Corporation

R&D Project Manager II

Marlborough, MA · On-site

$110K - $135K/yr

The position will touch on a wide array of Repligen product lines globally. This individual will ... Bachelor's degree in Engineering, Science, or a related discipline * Minimum of 3 years of leading ...

Repligen Corporation

R&D Project Manager II

Waltham, MA · On-site

$110K - $135K/yr

The position will touch on a wide array of Repligen product lines globally. This individual will ... Bachelor's degree in Engineering, Science, or a related discipline * Minimum of 3 years of leading ...

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RepliGen Jobs Information

Do workers at Repligen get paid breaks?

Sometimes. Only some people get paid breaks.
44% of people say they don’t get paid breaks.
Based on data from 9 people who took the Breakroom Quiz between December 2024 and June 2026.

Does Repligen pay people when they’re sick?

Yes. Most people get paid when they’re sick.
77% of people say they would get paid if they were sick but scheduled to work.
Based on data from 13 people who took the Breakroom Quiz between December 2024 and June 2026.

At Repligen, are sick days and vacation days separate paid time off?

Sick days and vacation days are used from the same paid time off.
100% of people say they have to use vacation days when they’re out sick.
Based on data from 6 people who took the Breakroom Quiz between July 2025 and June 2026.

Is the health insurance from Repligen affordable enough for their workers?

Most people say the health insurance costs are okay.
100% of people say the health insurance costs are okay
Based on data from 9 people who took the Breakroom Quiz between March 2025 and June 2026.

Do people get paid time off at Repligen?

Most people get paid time off work.
86% of people say they get paid time off.
Based on data from 7 people who took the Breakroom Quiz between July 2025 and June 2026.

Do workers at Repligen worry about hours?

Most people don’t worry about getting enough hours.
100% of people report they don’t worry about getting enough hours.
Based on data from 8 people who took the Breakroom Quiz between December 2024 and January 2026.

Do Repligen workers get to choose the shifts they work?

Some people don’t get to choose which shifts they work.
40% report that they don’t have enough control over which shifts they work.
Based on data from 5 people who took the Breakroom Quiz between December 2024 and September 2025.

How easy is it for Repligen workers to change shifts?

Some people find it hard to change shifts.
40% of people report that it’s hard to change shifts if they need to.
Based on data from 5 people who took the Breakroom Quiz between December 2024 and July 2025.

How easy is it to get time off at Repligen?

Most people find it easy to get time off.
92% of people report it’s easy to get time off.
Based on data from 12 people who took the Breakroom Quiz between December 2024 and May 2026.

Do Repligen managers change schedules at the last minute?

Most managers don’t change people’s schedules at the last minute.
100% of people say their manager doesn’t change their shift schedule at the last minute.
Based on data from 9 people who took the Breakroom Quiz between December 2024 and January 2026.

Do jobs at Repligen spill into time workers aren’t paid for?

Rarely. The job doesn't usually spill into unpaid time.
22% of people report that their job takes up time that they don’t get paid for.
Based on data from 9 people who took the Breakroom Quiz between December 2024 and January 2026.

How easy is it to take sick days at Repligen?

Most people find it easy to take sick days.
92% of people report that it’s easy to take time off if they are sick.
Based on data from 13 people who took the Breakroom Quiz between December 2024 and June 2026.

Is working at Repligen good if you’re a parent or caregiver?

Most parents and caregivers say this is a good place to work.
100% of people who care for a child or other relative report this is a good place to work.
Based on data from 5 people who took the Breakroom Quiz between December 2024 and May 2026.

Do people at Repligen feel treated with respect by their managers?

Most people feel treated with respect by their managers.
82% of people say they’re treated with respect by their managers.
Based on data from 11 people who took the Breakroom Quiz between December 2024 and May 2026.

Do people at Repligen get to take their breaks without interruption?

Most people get breaks without interruption.
67% of people report that they get to take their breaks without interruption.
Based on data from 12 people who took the Breakroom Quiz between December 2024 and June 2026.

Is it stressful to work at Repligen?

Some people feel stressed out here.
64% of people say they often feel stressed out at work.
Based on data from 11 people who took the Breakroom Quiz between January 2025 and May 2026.

Do people at Repligen enjoy their jobs?

Most people enjoy their job.
70% of people report they enjoy their job.
Based on data from 10 people who took the Breakroom Quiz between January 2025 and May 2026.

Do people at Repligen recommend working with their team?

Only some people recommend working with their team.
46% of people report that they wouldn’t recommend working with their immediate team to a friend.
Based on data from 13 people who took the Breakroom Quiz between December 2024 and June 2026.

Do people get enough training when they start at Repligen?

Most people got enough training when they started.
67% of people report they got enough training when they started working here.
Based on data from 12 people who took the Breakroom Quiz between December 2024 and May 2026.

Do people get support to advance at Repligen?

Most people are given support to advance their career here.
In the last year, 73% of people report being given support to advance their career here.
Based on data from 11 people who took the Breakroom Quiz between December 2024 and May 2026.

Do people think Repligen’s headquarters understands what’s happening where they work?

Most people think headquarters doesn’t understand what’s happening where they work.
100% of people think that this employer’s headquarters or owners don’t have a good understanding of what’s really happening where they work.
Based on data from 6 people who took the Breakroom Quiz between January 2025 and January 2026.

Do workers feel well informed about how Repligen is doing?

Only some people feel well informed about how the company is doing.
50% of people feel that they aren’t kept well informed about how the company is doing as a whole.
Based on data from 10 people who took the Breakroom Quiz between January 2025 and May 2026.
What other companies are hiring for Scientist jobs?
What are the most popular jobs at Repligen?
What are the most popular categories at Repligen?
Infographic showing various Scientist job openings at Repligen in the United States as of July 2026, with employment types broken down into 100% Full Time. Highlights an 86% Physical, and 14% Hybrid job distribution.
Sr. Associate Scientist

Sr. Associate Scientist

Repligen

Marlborough, MA

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 19 days ago

Repligen rating

7.6

Company rating: 7.6 out of 10

Based on 13 frontline employees who took The Breakroom Quiz

Job description

Make a global impact-join Repligen.
We're united by a mission to inspire advances in bioprocessing as a preferred partner in the production of biologic drugs that improve human health worldwide. No matter your role or background, at Repligen, you will play a key part in shaping some of the most innovative and life-changing therapies in the world. We foster a culture of purpose, collaboration, and shared success-where every voice matters and every contribution drives progress. Join us!
The Sr. Associate Scientist is a hands-on R&D role focused on the development and evaluation of membrane-based separation technologies for downstream bio-processing, with an emphasis on ultrafiltration and tangential flow filtration (TFF) applications. This position performs laboratory and pilot scale experiments with a high degree of independence, carrying out defined experimental plans to support product and process development including concentration, diafiltration, and purification of biologics, while troubleshooting issues and generating reliable, high-quality data. The role analyzes and interprets results, identifies performance trends, and communicates clear conclusions to support product design, scalability, and customer applications, including preparation of internal reports and supporting technical papers. Working closely with cross functional teams including R&D, Product Management, and Manufacturing, the Sr. Associate Scientist supports new product development, line extensions, and continuous improvement efforts within Repligen's filtration portfolio. Ability to accomplish goals with limited supervision while collaborating with colleagues and providing technical guidance as needed.
This role is expected to model our Leadership Behaviors-Integrity & Compliance, Customer Focus, Collaboration, Courage, Team Empowerment, and Accountability & Results-in all aspects of work.

Responsibilities

  • Execute laboratory and pilot-scale experiments to support development of membrane-based filtration products, with a focus on ultrafiltration and tangential flow filtration (TFF) applications for biologics processing
  • Independently carry out experimental plans, including system setup, operation, and troubleshooting of filtration hardware, ensuring consistent and reliable data generation
  • Generate, analyze, and interpret experimental data; identify trends, assess performance, and communicate clear, data-driven conclusions
  • Support development of downstream bioprocessing applications including protein concentration, diafiltration, and purification across varying conditions and scales
  • Troubleshoot membrane, device, and process performance issues and recommend practical, technically sound solutions
  • Prepare internal technical reports, data summaries, and supporting white papers to document findings
  • Collaborate with cross-functional teams to support product development, line extensions, and continuous improvement efforts
  • Maintain laboratory equipment and ensure proper operation while adhering to safety practices
  • Provide technical guidance and collaborate across the team

Required Qualifications

  • Bachelor's degree in chemical engineering, Chemistry, Biochemistry, or a related scientific or engineering discipline
  • 3-5+ years of relevant industry experience in bioprocessing, filtration, or related environments
  • Ability to execute experiments independently and manage multiple priorities with limited supervision
  • Strong data analysis and problem-solving skills
  • Ability to work effectively in cross-functional teams
  • Strong written and verbal communication skills including technical report writing

Preferred Qualifications

  • Hands-on experience with membranes, TFF cassettes (hollow fiber), ultrafiltration diafiltration, and/or tangential flow filtration (TFF) systems
  • Experience operating, troubleshooting, and maintaining laboratory or pilot scale equipment
  • Familiarity with downstream bioprocessing applications such as protein concentration, purification, or buffer exchange
  • Experience with membrane manufacturing development, filtration device manufacturing development, filtration device failure analysis.
  • Experience preparing technical reports and supporting white papers
  • Experience using statistical or data analysis tools (e.g., JMP, Minitab, Excel, or similar) for data evaluation, visualization, and trend analysis
  • Hands-on experience with analytical techniques such as UV/Vis, pH, conductivity, HPLC, FTIR, or similar methods for routine sample and process characterization

Physical / Laboratory Requirements

  • Hands on laboratory role requiring operation of pumps, tubing systems, and filtration equipment
  • Ability to lift up to 25-50 lbs. and work in a laboratory environment
  • Must follow established safety procedures and handle chemicals appropriately

This role is not eligible for employment-based immigration sponsorship. Applicants must be legally authorized to work in the United States without employer sponsorship.

Our mission is to inspire advances in bioprocessing as a trusted partner in the production of biologic drugs that improve human health worldwide. Focused on cost and process efficiencies, we deliver innovative technologies and solutions that help set new standards in bioprocessing. The estimated salary range for this role, based in the United States of America is $85,000-121,900. Compensation decisions are dependent on several factors including, but not limited to an individual's qualifications, location, internal equity, and alignment with market data. Additionally, employees are eligible to participate in one of our variable cash programs (bonus or commission) and eligible roles may receive equity as part of the compensation package. We offer a wide range of benefits such as paid time off, health/dental/vision, retirement benefits and flexible spending accounts. All compensation and benefits information will be confirmed in writing at the time of offer.

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