Location: New Haven, CT

Wastewater Technology & Research Scientist

Location: New Haven, CT
Job Type: Full Time
Apply Now

About the Role

CREW is seeking a highly motivated Wastewater Technology & Research Scientist to execute lab and field-based operations and research. This role will involve successfully executing benchtop and plant-scale experiments, designing experimental approaches, generating and interpreting empirical data, and utilizing existing data sets to optimize our carbon dioxide removal (CDR) technology and quantify its impact on wastewater treatment processes. This role is ideal for someone with experience applying wastewater process design or environmental chemistry in both the field and in the lab. You will play a critical role in refining CREW’s enhanced weathering process in wastewater to ensure analytical rigor while supporting our mission to optimize wastewater treatment for removing CO2.

This is a hands-on role, requiring the initiative to take ownership of projects, drive experiments forward, and provide insights that help scale our technology.

Key Responsibilities

  • Laboratory Research & Instrumentation:
    • Design, execute, and refine lab and field experiments to analyze nitrogen cycling, carbonate chemistry, and aqueous and solid mass balance in wastewater settings.
    • Run and maintain analytical instruments (e.g., ICP-MS, IC, TOC analyzers, spectrophotometers) for high-precision chemical measurements.
    • Maintain existing SOPs.
  • Field Work & System Optimization:
    • Conduct on-site sampling and in-field measurements under varying environmental conditions.
    • Analyze field data in real-time and work with the engineering team to troubleshoot issues and optimize performance of both CREW systems and wastewater facilities.
    • Work directly with engineering and operations teams to support CREW’s deployments at partnering utility sites.
  • Data Analysis & Process Improvement:
    • Detail orientated approach to data management and storage.
    • Rapidly interpret lab and field data to improve system efficiency.
    • Use wastewater process and biogeochemical principles to optimize CREW’s pH and alkalinity optimization methodology.
    • Lead mass balance modeling of existing partner utility treatment process, as well as experimental models based on implementing CREW’s technology and quantifying carbon removal. 
  • Cross-Functional Collaboration:
    • Work closely with scientists, engineers, and project managers to ensure seamless integration of lab and field insights
    • Create visual representations of data and communicate findings clearly through reports, presentations, and technical documentation.

Required Qualifications

  • 5+ years experience in Wastewater Treatment, Process Engineering, Environmental Engineering, Environmental Chemistry, Biogeochemistry, or a related field.
  • Proficiency in mass balance modeling (BioWin, GPS-X, or SUMO).
  • Proficiency in visualizations to interpret and present data to technical and non-technical audiences.
  • Demonstrated knowledge of biological nutrient removal (BNR), including nitrification/denitrification, phosphorus removal, and the technologies utilized in wastewater plants to support BNR.
  • Understanding of chemical and physical treatment in municipal and industrial wastewater. 
  • Experience in carbonate chemistry, or biochemistry in the context of wastewater.
  • Hands-on experience operating and maintaining laboratory instrumentation for biological and chemical analysis.
  • Strong willingness to work in the field under demanding conditions and adapt quickly to new environments.
  • Ability to take initiative and be the first to raise a hand to solve problems and lead analytical efforts.

Bonus Qualifications

  • M.S. or PhD a relevant field.
  • Experience deploying and testing environmental technologies in municipal or industrial processes.
  • Proficiency in qPCR and gene sequencing bacteria profiling. 

Compensation

The annual salary range for this position is competitive and will depend on many factors including experience, education, and expertise. We offer a competitive benefits package with insurance, vacation, retirement, and equity options.

About the company

CREW utilizes the extensive infrastructure present in wastewater treatment systems to provide robust, empirical, and durable carbon dioxide removal through enhanced weathering, while delivering process benefits to our partners.

CREW has offices and labs in New Haven, CT and offices in Brooklyn, NY. The ideal candidate will be in-person at CREW’s New Haven office.

CREW highlights

General Application

Location: Brooklyn, NY; New Haven, CT
Job Type: Full Time
Apply Now

Passionate about carbon removal and looking for an opportunity to contribute to meaningful climate solutions? We’re always on the lookout for driven, collaborative, and mission-aligned individuals to join our team. If you don’t see a role that fits your background but believe you can add value to CREW Carbon, we encourage you to submit a general application. Tell us about your expertise, interests, and how you see yourself contributing to our work. We review applications on a rolling basis as new opportunities arise!

Analytical Scientist

Location: New Haven, CT
Job Type: Full Time
Apply Now

About the Role

CREW Carbon is seeking a highly motivated Analytical Scientist to lead lab and field-based operations and research. This will involve the generation, instrumental analysis, and rapid interpretation of results to optimize our carbon dioxide removal (CDR) technology. This role is ideal for someone who thrives in both the lab and the field—someone who can run and optimize experiments, analyze data quickly, and isn’t afraid to get their hands dirty in the field. You will play a critical role in refining CREW’s enhanced weathering process in wastewater by generating and interpreting high-quality data, supporting system optimization, and ensuring rigorous biogeochemical analysis.

This is a hands-on role, requiring the initiative to take ownership of projects, drive experiments forward, and provide rapid insights that help scale our technology.

Key Responsibilities

Laboratory Research & Instrumentation:

  • Design, execute, and refine lab experiments to analyze carbonate chemistry, alkalinity, mass balance, and geochemical reactions.
  • Run and maintain analytical instruments (e.g., ICP-MS, IC, TOC analyzers, spectrophotometers) for high-precision chemical measurements.

Field Work & System Optimization:

  • Conduct on-site sampling and in-field measurements under varying environmental conditions.
  • Analyze and troubleshoot real-time field data to optimize system performance.
  • Support technology deployments at partner sites, working closely with engineers and operations teams.

Data Analysis & Process Improvement:

  • Rapidly interpret lab and field data to improve system efficiency.
  • Use biogeochemical principles to refine CREW’s enhanced weathering methodology.

Cross-Functional Collaboration:

  • Work closely with scientists, engineers, and project managers to ensure seamless integration of lab and field insights.
  • Communicate findings clearly through reports, presentations, and technical documentation.

Required Qualifications

  • 5+ years experience in Geochemistry, Biogeochemistry, Environmental Chemistry, Environmental Engineering, or a related field.
  • Proficiency in data analysis, statistical analysis, mass balance modeling, and associated visualizations to interpret experimental and field data effectively (e.g., Python, R, Matlab).
  • Expertise in carbonate chemistry, biogeochemistry, and time-series data analysis.
  • Hands-on experience operating and maintaining laboratory instrumentation for chemical analysis.
  • Strong willingness to work in the field under demanding conditions and adapt quickly to new environments.
  • Ability to take initiative and be the first to raise a hand to solve problems and lead analytical efforts.

Bonus Qualifications

  • PhD (or MS) in Geochemistry, Biogeochemistry, Environmental Chemistry, Chemical Engineering, or a related field.
  • Experience deploying and testing environmental technologies in real-world settings.
  • Background in startup environments or early-stage technology development.
  • Proficiency in geochemical modeling tools (e.g., PHREEQC, Geochemist’s Workbench, Python, Matlab).

Compensation

The annual salary range for this position is competitive and will depend on many factors including experience, education, and expertise. We offer a competitive benefits package with insurance, vacation, retirement, and equity options.

About the company

CREW utilizes the extensive infrastructure present in wastewater treatment systems to provide robust, empirical, and durable carbon dioxide removal through enhanced weathering, while delivering process benefits to our partners.

CREW has offices and labs in New Haven, CT and offices in Brooklyn, NY. The ideal candidate will be in-person at CREW’s New Haven office.

CREW highlights:

Project Engineer

Location: Hybrid; Brooklyn, NY; New Haven, CT
Job Type: Full Time
Apply Now

About the role

CREW Carbon is seeking an experienced Project Engineer to lead project execution as we scale-up our decarbonization technology. This role will ensure the proper installation and operation of CREW’s deployments to achieve CO2 removal (CDR) with our wastewater partners. In this role, you will lead end-to-end project management to ensure budget and timelines are met; support implementation, commissioning, and operations at wastewater facilities; and managing wastewater partners, suppliers/vendors, and engineering services firms. This position is a full-time role, with travel expectations to wastewater partners across the US. Location will be onsite at our office in Brooklyn, or remote within the Northeast or Mid-Atlantic US.

Responsibilities

  • Lead end-to-end project management, including creating and maintaining timelines, budgets, and resource allocation across multiple operational sites.
  • Collaborate cross-functionally with engineering and operation teams to ensure successful installation and performance of CREW’s technology.
  • Manage vendor and contractor relationships, including procurement and supply chain logistics for hardware components, ensuring timely delivery and quality standards.
  • Prepare proposals including scope of work, cost estimates, schedules, presentations, and other related engineering project documentation.
  • Develop site-specific design packages as part of the detailed work plan, including engineering specifications and execution planning.
  • Conduct and manage fieldwork associated with design and construction services which includes but is not limited to: construction inspection, training, commissioning, startup.
  • Servicing of deployments which includes but is not limited to: follow-up support with on-site operators, coordination with equipment vendors or suppliers.

Experience Requirements

  • Bachelors in chemical, civil, electrical, or environmental, mechanical engineering (or similar field).
  • 4-8 years of experience in construction engineering, construction management, or project management.
  • Strong writing, project management, and communication skills.
  • Financial acumen, including budgeting, cost control, and project cash flow management.
  • Experience overseeing subcontractors and ensuring they deliver on project requirements.
  • Startup mindset where adaptability, creativity, agility, and execution are keys to success.
  • Strong desire to fight climate change.

Bonus qualifications

  • Experience with design, procurement, and construction of solid materials handling and dosing systems.
  • Proficiency in CAD software for engineering or product design (AutoCAD, Civil 3D, Fusion, etc).
  • Understanding of water and wastewater treatment systems.
  • Licensed Professional Engineer (P.E.) in the United States.
  • Experience with sensor and monitoring systems and automation controls.
  • Experience with DCS or SCADA integrations.

Physical and work environment

  • Travel is expected up to 50%.
  • Capable of lifting up to 50 pounds.
  • Valid driver’s license and acceptable motor vehicle record. 

Compensation

The annual salary range for this position is competitive and will depend on many factors including experience, education, and expertise. We offer a competitive benefits package with insurance, vacation, retirement, and equity options.

About the company

CREW utilizes the extensive infrastructure present in wastewater treatment systems to provide robust, empirical, and durable carbon dioxide removal through enhanced weathering, while delivering process benefits to our partners.

CREW has offices and labs in New Haven, CT and offices in Brooklyn, NY. The ideal candidate will be in-person, however options are available for remote/hybrid work within the Northeast or Mid-Atlantic US.

CREW highlights: