Process Engineer II
Repligen
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Marlborough, MA · Posted November 6, 2026
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Where Marlborough, MA ranks
Where Marlborough, MA placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
- #5Best cities for software and engineering jobs in New England95 openings · of 24
- #8Best cities for mid-career professionals in New England52% · of 28
- #9Best cities for junior jobs in Massachusetts22% · of 20
- #12Best cities for software and engineering jobs in the Northeast95 openings · of 52
- #15Cities with the most hybrid jobs in New England10% · of 27
- #17Best cities for junior jobs in New England22% · of 28
Rankings about engineering jobs
- Best cities for software and engineering jobs #1 San Francisco (3,412 openings)
- Best cities for engineering pay after cost of living #1 San Mateo ($216k)
- Most requested AI skills in engineering jobs #1 AI tools in daily work (6.1%)
- AI tools named most often in engineering jobs #1 Claude (1.7%)
- Employers with the most engineering jobs #1 Amazon (2,992 roles)
How AI is used in this kind of work
AI use among industrial engineers is little observed so far. Measured exposure for industrial engineers: 4% (little observed).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
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About the job
We are on the lookout for a process engineer who will be a key member of the Proteins and Chromatography network here at Repligen. We are a life sciences company focused on the development, production and commercialization of high-value consumable products used in the process of manufacturing biological drugs. We are seeking an energetic individual with strong communication, leadership, technical and operational skills to join our highly motivated and collaborative team. This engineering role will focus on tech transfer of a chemical manufacturing process. They will lead equipment and process validations along with future process optimization and scale up. Essential Job Functions
Lead installation, operational qualifications of process equipment and process validations (IQ/OQ/PQ) to support NPI & Tech transfers
Support new chemical processes by generating process flow diagrams, mass & energy balances, along with safety (HAZOP) & quality risk assessments (FMEA)
Lead the development and execution of work instruction
Provide technical support for process deviations including investigation and corrective actions
Drive process improvements through data-based decisions
Promote safety & quality culture
Skills and Competencies
Safety first mindset
Knowledge of process/equipment validation
Strong understanding of ISO standards, risk assessments, deviation investigations and change control
Knowledge of Good Manufacturing Practices (cGMP)
Understanding of statical tools and statical process control
Lean manufacturing & Six Sigma knowledge are a plus
Strong communication skills and ability to work with cross functional teams
Work Environment
The Process Engineer will be required to perform duties on a computer, in an office environment and on the production floor. The employee will be required to work closely with employees on the manufacturing floor and in other departments. Travel will be required as part of the role
Required Education and Experience
Bachelor's degree or higher in Chemical Engineering or related field
5+ years of experience in related field, with experience in chemical manufacturing
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-$120,000. 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.