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Senior Chemical Process Engineer Jobs in Massachusetts

XL Batteries

Chemical Process Engineer

Marlborough, MA · On-site

$120 - $160/hr

Chemical Process Engineer Location : Marlborough, MA About Us XL Batteries, a Massachusetts-based development stage company focused on long duration energy storage at the grid level. We are growing a ...

XL Batteries

Chemical Process Engineer

Marlborough, MA · On-site

Chemical Process Engineer Location: Marlborough, MA About Us XL Batteries, a Massachusetts-based development stage company focused on long duration energy storage at the grid level. We are growing a ...

XL Batteries

Chemical Process Engineer

Marlborough, MA · On-site

Chemical Process Engineer Location: Marlborough, MA About Us XL Batteries, a Massachusetts-based development stage company focused on long duration energy storage at the grid level. We are growing a ...

XL Batteries

Chemical Process Engineer

Marlborough, MA · On-site

Chemical Process Engineer Location: Marlborough, MA About Us XL Batteries, a Massachusetts-based development stage company focused on long duration energy storage at the grid level. We are growing a ...

Decarbontek, Inc.

Chemical/Process Engineer

Boston, MA · On-site

$70 - $90/hr

The Chemical/Process Engineer will conduct bench‑scale carbon capture and removal tests, and work with our partners to conduct pilot field testing. * Bachelor's degree in Chemical Engineering or ...

Waters Corporation

Sr Process Engineer

Taunton, MA · On-site

$106K - $137K/yr

Overview Waters Corporation is seeking a Weekend Senior Chemical Process Engineer to join our Chemical Engineering Team to support the engineering, productivity, and enhancement of our new ...

Waters Corporation

Sr Process Engineer

Taunton, MA

$106K - $137K/yr

Waters Corporation is seeking a Weekend Senior Chemical Process Engineer to join our Chemical Engineering Team to support the engineering, productivity, and enhancement of our new state-of-the-art ...

Waters Corporation

Sr Process Engineer

Taunton, MA · On-site

$106K - $137K/yr

Overview Waters Corporation is seeking a Weekend Senior Chemical Process Engineer to join our Chemical Engineering Team to support the engineering, productivity, and enhancement of our new ...

ERG

Senior Process Safety/Chemical Engineer

Concord, MA · On-site

$110K - $155K/yr

ERG is seeking a Senior Process Safety Engineer or Chemical Engineer to join our Risk Management Program (RMP) and Process Safety Management (PSM) compliance and enforcement team providing support to ...

Langham Recruitment

Senior Process Engineer

Boston, MA · On-site

$120K - $180K/yr

Senior Process Engineer | Boston, MA | $120 - 180k We are partnered with a company that produces ... Design and optimize novel chemical and materials processes for the commercial production of ...

Amrize

Senior Process Engineer

Rockland, MA · On-site

$110K - $143K/yr

The ideal candidate is a hands-on engineer with a strong background in chemical process ... and senior management. * A robust safety mindset and knowledge of OSHA and industry safety ...

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All JobsChemical Process Engineer JobsSenior Chemical Process Engineer JobsSenior Chemical Process Engineer Jobs in Massachusetts

Senior Chemical Process Engineer information

See Massachusetts salary details

$99.9K

$137.3K

$170.9K

How much do senior chemical process engineer jobs pay per year?

As of Sep 5, 2026, the average yearly pay for senior chemical process engineer in Massachusetts is $137,260.00, according to ZipRecruiter salary data. Most workers in this role earn between $122,900.00 and $147,400.00 per year, depending on experience, location, and employer.

What is a senior chemical process engineer?

Senior Chemical Process Engineers are experienced professionals who design, develop, and optimize chemical processes used in manufacturing. They lead projects, oversee process safety and efficiency, and mentor junior engineers. Their work ensures that industrial chemical operations are cost-effective, environmentally friendly, and comply with regulations. Senior Chemical Process Engineers often collaborate with multidisciplinary teams and play a key role in troubleshooting and continuous improvement initiatives.

How do senior chemical process engineers typically collaborate with cross-functional teams during large-scale projects?

Senior Chemical Process Engineers frequently work alongside professionals from disciplines like mechanical engineering, instrumentation, safety, and project management. They play a key role in translating process requirements into actionable engineering solutions and ensure process integration aligns with overall project goals. Regular meetings, detailed documentation, and clear communication are essential, as these engineers often lead technical discussions, resolve interdisciplinary challenges, and coordinate between design, operations, and quality assurance teams to drive projects forward efficiently.

What are the key skills and qualifications needed to thrive as a senior chemical process engineer, and why are they important?

To thrive as a Senior Chemical Process Engineer, you need a strong background in chemical engineering principles, process design, and problem-solving, typically supported by a bachelor's or master's degree in chemical engineering. Familiarity with process simulation software (such as Aspen Plus or HYSYS), plant safety standards, and relevant certifications (like Professional Engineer licensure) is highly valuable. Strong analytical thinking, leadership, and effective communication skills help drive project success and lead cross-functional teams. These skills and qualities are crucial for optimizing manufacturing processes, ensuring safety, and delivering cost-effective solutions in complex industrial environments.

What is the difference between Senior Chemical Process Engineer vs Chemical Process Engineer?

AspectSenior Chemical Process EngineerChemical Process Engineer
Required CredentialsBachelor's or Master's in Chemical Engineering; 5+ years experienceBachelor's in Chemical Engineering; entry to 2 years experience
Work EnvironmentDesign, optimization, and supervision in manufacturing or R&D facilitiesAssist in process design, testing, and operation in manufacturing plants
Employer & Industry UsageManufacturing, oil & gas, pharmaceuticals, chemicalsSimilar industries, often as entry-level or mid-level roles

The main difference between a Senior Chemical Process Engineer and a Chemical Process Engineer lies in experience, responsibilities, and seniority. Senior engineers typically lead projects, oversee teams, and have more advanced expertise, while chemical process engineers focus on supporting process design and operation. Both roles are essential in chemical manufacturing and related industries, but senior positions require more experience and leadership responsibilities.

What are the most commonly searched types of Chemical Process Engineer jobs in Massachusetts?

The most popular types of Chemical Process Engineer jobs in Massachusetts are:

What are popular job titles related to Senior Chemical Process Engineer jobs in Massachusetts?

For Senior Chemical Process Engineer jobs in Massachusetts, the most frequently searched job titles are:

What job categories do people searching Senior Chemical Process Engineer jobs in Massachusetts look for?

The top searched job categories for Senior Chemical Process Engineer jobs in Massachusetts are:

What cities in Massachusetts are hiring for Senior Chemical Process Engineer jobs?

Cities in Massachusetts with the most Senior Chemical Process Engineer job openings:

What are popular job titles related to Senior Chemical Process Engineer jobs in MA?

For Senior Chemical Process Engineer jobs in MA, the most frequently searched job titles are:

Senior Chemical Process Engineer jobs near you
Infographic showing various Senior Chemical Process Engineer job openings in Massachusetts as of August 2026, with employment types broken down into 1% As Needed, 75% Full Time, 18% Part Time, 1% Temporary, 3% Contract, and 2% Nights. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution, with an average salary of $137,260 per year, or $66 per hour.

Chemical Process Engineer

XL Batteries

Marlborough, MA • On-site

$120 - $160/hr

Other

Medical, Dental, Vision, Retirement

Posted 17 days ago

Job description

Requisition Number: XL2026-006 Position: Chemical Process Engineer Location: Marlborough, MA About Us

XL Batteries, a Massachusetts-based development stage company focused on long duration energy storage at the grid level. We are growing a highly collaborative team with the addition of a Chemical Process Engineer. Our mission is to create a safe, low-cost and reliable grid‑scale battery that will enable the transition of the grid from fossil fuels to renewable sources. We are a fast paced, nimble startup where no job is too big or small, and where we strive to ask ourselves the hard questions before problems arise.

XL Batteries is an equal opportunity employer.

About Our Location

Marlborough, MA is a beautiful small city in central Massachusetts, surrounded by quaint Massachusetts towns and within a day‑trip distance of the Berkshires, White Mountains, and Cape Cod. For those who prefer a more urban lifestyle, we are located directly off I‑495 within easy commuting distance of Boston and Cambridge (30‑40 minutes), Worcester (25 minutes), Nashua, NH (45 minutes) and Providence, RI (50 minutes).

Role Description

The Chemical Process Engineer is a full‑time, on‑site role based in Marlborough, MA, responsible for developing, optimizing, and scaling chemical processes for XL Batteries’ Organic Flow Battery™ systems. Day‑to‑day tasks include designing and modeling process flows, specifying equipment, and conducting experiments and pilot‑scale trials to validate process & battery performance. The role involves monitoring and improving process control strategies, analyzing data to identify efficiencies, and implementing changes that enhance safety, quality, and cost‑effectiveness. The engineer collaborates closely with R&D, manufacturing, and operations teams to transfer new chemistries into production and troubleshoot issues in existing processes. Responsibilities also include preparing technical documentation, supporting regulatory and safety compliance, and contributing to continuous improvement initiatives in a dynamic startup environment.

Required Skills & Experience

  • Strong foundation in Chemical Process Engineering and Process Engineering, with experience in industrial or pilot‑scale environments.
  • Background in the Chemical Industry or closely related fields, ideally involving electrochemical systems, batteries, or energy storage
  • Demonstrated success scaling processes from lab/pilot to commercial scale.
  • Strong command of PFDs, P&IDs, mass/energy balances, control strategies, HAZOP, and regulatory documentation.
  • Track record delivering plants or major process units safely, on schedule, and on budget.
  • Excellent cross‑functional communication, documentation, and project leadership
  • Skills in Process Design, including flowsheet development, equipment specification, and scale‑up from lab to production
  • Hands‑on lab or plant experience, including experimental design, process scale‑up & optimization, troubleshooting, and root‑cause analysis.
  • Knowledge of safety, environmental, and regulatory standards relevant to chemical processing.

Preferred Qualifications

  • 5+years Bachelor’s or Master’s degree in Chemical Engineering or a closely related engineering discipline.
  • Proficiency in process simulation and data analysis tools (e.g., Aspen, MATLAB, Python, or similar software) and experience using AI tools to accelerate technical documentation
  • Ability to work on‑site in Marlborough, MA, collaborate in cross‑functional teams, 'go‑to‑market' partners
  • Experience managing and communicating effectively with 'go‑to‑market' partners, engineering firms and ability to communicate complex technical & engineering concepts clearly.
  • Experience in startup or fast‑paced environments and an interest in sustainable energy technologies is a plus.
  • Travel: 20‑25%
Compensation & Benefits

We offer competitive salary (+equity) and benefits, including healthcare, dental, vision, and a retirement plan

Application Process

Apply through xl-batteries.breezy.hr

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