Jobs in the United States

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Added 2 mins ago
Weld Engineer
Aecon
Huntersville, NC
The Project Field Welding Engineer supports the implementation of the welding program at various Aecon Project sites.
Added 8 mins ago
LS
Quality Engineer
LSI Solutions Inc
Victor, NY
- From $66,500 USD / year
POSITION TITLE: Quality Engineer-Finished Goods
Added 9 mins ago
Security Engineer
Scientific Research Corporation
Orlando, FL
SRC is hiring a hands-on, Agile-embedded Security Engineer responsible for securing virtualized Modeling & Simulation (M&S) environments, automating compliance-as-code across a diverse…
Added 10 mins ago
Account Manager II
Arrow Electronics
Brookfield, WI
…opportunities within assigned customers through a sales plan and process. Develops an understanding of the customer’s needs and the customer’s decision-making hierarchy to proactively…
Added 15 mins ago
Microsoft SQL DBaaS Engineer – TS/SCI with Polygraph
GD Information Technology, Inc.
United States
Own your career as a MS SQL DBaaS Engineer at GDIT. Here, you’ll have the opportunity to build strong lines of systems engineering and develop your skills using cutting-edge technologies.…
Added 15 mins ago
Next Generation Desktop Environment (NGDE) Engineer – TS/SCI with Polygraph
GD Information Technology, Inc.
United States
Own your career as a NGDE Engineer at GDIT. Here, you’ll have the opportunity to build strong lines of systems engineering and develop your skills using cutting-edge technologies. Your work…
Added 16 mins ago
Assistant Project Manager II
Quanta Infrastructure Solutions Group, LLC
Tampa, FL
…use in-house talent, expertise and resources to plan, design, engineer, manage, conduct maintenance on and construct…
Added 21 mins ago
P
Senior Chemical Engineer
Pennoni
Boston, MA
- $100,000 to $140,000 USD / year
Pennoni is hiring a Chemical Engineer to join our team in Boston, Massachusetts. This is an excellent opportunity for an engineer who enjoys solving complex environmental and regulatory…
Added 21 mins ago
Field Engineer II
Gilbane Building Company
Raleigh, NC
…extensive career growth opportunity? Gilbane is seeking a Field Engineer II to be responsible for learning all roles and responsibilities of the Project Engineer and Superintendent…
Added 25 mins ago
Systems Engineer II
Texas A&M Agrilife Extension Service
College Station, TX
The Systems Engineer II, under general supervision, designs, develops, integrates, and supports enterprise solutions using Microsoft 365 and related technologies. The position focuses on…
Added 33 mins ago
Mechanical Engineer- NPD
Clopay
Mason, OH
We currently have an opening for a Mechanical Engineer- New Product Development in our Mason, Ohio location.
Added 49 mins ago
Account Manager II
Arrow Electronics
Tulsa, OK
…opportunities within assigned customers through a sales plan and process. Develops an understanding of the customer’s needs and the customer’s decision-making hierarchy to proactively…
Added 53 mins ago
Manufacturing Engineer II MGC
CAIRE
Saint Paul, MN
The Manufacturing Engineer II supports the development, improvement, and production readiness of medical diagnostic instruments by enhancing product reliability, manufacturability, and…
Added 59 mins ago
Account Manager II
Arrow Electronics
Eden Prairie, MN
…opportunities within assigned customers through a sales plan and process. Develops an understanding of the customer’s needs and the customer’s decision-making hierarchy to proactively…
Added 59 mins ago
Field Service Engineer 2 - 2nd Shift
Intuitive
Miami, FL
…Government on your behalf (note: the government’s licensing process can take 3 to 6+ months) or (ii) implement a Technology Control Plan (“TCP”) (note: typically adds 2 weeks to the hiring…
Added 1 hour ago
Mechanical Design Engineer
X-Energy, LLC
Houston, TX
X-energy LLC conducts a thorough recruiting process and will never issue offers without interview to discuss qualifications and responsibilities. All applications will be submitted via our…
Added 1 hour ago
Mechanical Design Engineer
X-Energy, LLC
Houston, TX
X-energy LLC conducts a thorough recruiting process and will never issue offers without interview to discuss qualifications and responsibilities. All applications will be submitted via our…
Added 1 hour ago
Account Manager II
Arrow Electronics
Millcreek, UT
…opportunities within assigned customers through a sales plan and process. Develops an understanding of the customer’s needs and the customer’s decision-making hierarchy to proactively…
Added 1 hour ago
ServiceNow Senior Scrum Master
Leidos
Salt Lake City, UT
Removes impediments for the team and coordinates with the Release Train Engineer or Project Manager in implementing solutions.
Added 1 hour ago
Engineering\Operations Project Manager
PacifiCorp
SALT LAKE CITY, UT
…required for project deliverables. {=html} - Manage the bid process and contracts for external engineering and construction services. {=html} - Negotiate with vendors and contractors…
Added 1 hour ago
Incident Response Product Security Engineer II
Esri
Remote, United States
…diversity, equity, and inclusion is not a destination but an ongoing process. We are committed to the continuation of learning, growing, and changing our workplace so every employee can…
Added 1 hour ago
A
Distribution Engineer
Actalent
Chicago, IL
- $31.25 to $40.86 USD / hour
Job Title: Distribution Engineer (Hybrid)Job DescriptionAs a Distribution Engineer, you will support various electrical distribution projects ranging from small, quick turnaround jobs to…
Added 1 hour ago
Account Manager II
Arrow Electronics
Johns Creek, GA
…opportunities within assigned customers through a sales plan and process. Develops an understanding of the customer’s needs and the customer’s decision-making hierarchy to proactively…
Added 1 hour ago
Senior Automation Engineer (Sr. Engineer II)
Generate Biomedicines
Somerville, MA
Generate:Biomedicines is seeking an experienced and highly motivated Senior Automation Engineer to join our team at the interface of lab instrumentation, integrated workcells, custom…
Added 1 hour ago
Sr. Automation Test Engineer
Itility LLC
United States
ITility is seeking a mission-focused Senior Automation Test Engineer to support DoD application modernization. The role supports AWS-hosted applications built with Ruby and TypeScript and…

Repligen Corp

Scientist II

Marlborough, MA, United States

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Job details

Posting language: English
Posted: Nov 3, 2026

Original job description

This Scientist II will support the development and commercialization of next-generation ultrafiltration and microfiltration membrane technologies for bioprocessing applications. The position will contribute to projects from concept development through commercialization, including membrane design, process development, scale-up, verification and validation, technology transfer, and lifecycle support, with a focus on delivering high-quality solutions that meet customer and business needs.

The successful candidate will be a hands-on scientist or engineer with strong expertise in membrane science and process development. This individual will work closely with cross-functional teams including Manufacturing, Quality, Regulatory, Supply Chain, Marketing, and Commercial, bringing a collaborative and accountable approach to developing innovative products and manufacturing processes. The ideal candidate will take ownership of technical challenges, contribute ideas and perspectives, and work effectively across teams to drive results while maintaining a strong commitment to quality, integrity, and compliance.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

Develop ultrafiltration and microfiltration membranes and membrane manufacturing processes from concept through commercialization, with a focus on product performance, manufacturability, and customer needs.
Execute new product development activities including process development, design verification, validation, scale-up, and technology transfer, taking ownership of deliverables and project outcomes.
Evaluate membrane formulations, process improvements, and emerging technologies to enhance product performance and manufacturability, bringing forward new ideas and approaches to technical challenges.
Design, execute, and analyze laboratory and pilot-scale experiments to address technical challenges, make informed decisions, and support project objectives.
Support validation activities using quality and manufacturing tools including DFMEA, PFMEA, IQ/OQ/PQ, control plans, and process verification methodologies, maintaining a strong commitment to quality, integrity, and compliance.
Prepare clear and accurate technical documentation, including development reports, characterization studies, validation reports, technology transfer packages, and SOPs.
Maintain a highly hands-on approach, spending significant time in the laboratory and pilot-scale environment developing processes, operating equipment, and troubleshooting complex technical issues with a strong sense of ownership and accountability.
Collaborate effectively with cross-functional teams, sharing knowledge and perspectives and working toward common goals to advance development projects and commercialization efforts.

Qualifications

Ph.D. in Chemical Engineering, Polymer Science, Materials Science, Chemistry, or related discipline with 2+ years of relevant industrial experience, or M.S. with 5+ years, or B.S. with 8+ years of relevant experience.
Experience in polymeric membrane development, membrane formation processes, and membrane separation technologies.
Experience supporting new product development projects, including process scale-up and technology transfer to manufacturing.
Familiarity with Stage-Gate product development processes, design verification and validation, and process validation activities.
Working knowledge of quality and manufacturing tools such as DFMEA, PFMEA, IQ/OQ/PQ, process characterization, and statistical analysis.
Strong experimental and troubleshooting skills with the ability to independently design and execute technical studies, make sound technical decisions, and take ownership of results.
Highly hands-on scientist/engineer who enjoys working in laboratory and pilot-scale environments.
Strong problem-solving, communication, organizational, and teamwork skills, with the ability to collaborate effectively, share ideas, and contribute to team success.
Demonstrated ability to manage multiple projects, prioritize effectively, and deliver results in a fast-paced environment while maintaining high standards of quality and accountability.

What Repligen Offers 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 base salary range for this role, based in the United States of America is $113,000-$163,000. 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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