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About the Role

As Head of R&D and Lab Ops, you will be a technical authority on CREW’s wastewater process optimization and decarbonization solution. This role requires a wastewater treatment and aqueous chemistry expert to interpret complex data, drive R&D and lab operations, and ensure science translates into CREW’s products. You will accelerate technology application by translating biological treatment process data into technical insight, quantifying value delivered through process intensification, and driving data collection, analysis, and modeling for scale. You will collaborate with Advisory, Commercial, and Technical Solutions teams to define scientific priorities, mentor team members, and drive CREW’s mission.

Responsibilities

Serve as CREW’s senior technical authority on biological nutrient removal (BNR), aqueous chemistry, and process performance, applying this expertise directly to CREW’s deployments and R&D.
Analyze operational and experimental data, identify key metrics, and drive process and product decisions using mass/energy balances and process modeling.
Lead and mentor CREW’s lab/R&D team, setting experimental protocols and data collection standards that rigorously validate process performance.
Apply process engineering expertise to translate lab-scale findings into improvements CREW can deploy at scale.
Collaborate closely with CREW’s Platform and Technical Solutions teams to leverage CREW’s data infrastructure and turn experimental and operational data into actionable product decisions.
Support carbon removal quantification methodology and monitoring, reporting, and verification (MRV) for CREW’s deployments.
Serve as a process-engineering resource to Technical Solutions and Operations for root-cause analysis of field issues, diagnosing process science and feeding fixes back into R&D.
Author technical reports and internal R&D documentation that capture CREW’s process engineering rigor.

Requirements

Bachelor’s degree in Environmental Engineering, Chemical Engineering, Civil Engineering, or a related field.
10+ years of hands-on experience in biological wastewater treatment process engineering — process evaluation, design, or modeling.
Strong understanding of wastewater treatment processes, including nutrient removal, solids handling, and pH and alkalinity control.
Comfortable leading and growing a technical team.
Exceptional technical writing skills, with the ability to translate complex process science into clear, defensible documents.
Experience with process modeling tools (BioWin, SUMO, GPS-X, ASM libraries, or equivalent).
Familiarity with analytical methods used in wastewater and aqueous chemistry system characterization (e.g., IC, TIC, ICP) and ability to interpret analytical data.
Comfortable working in a rapidly evolving environment and able to quickly synthesize new information to proactively adjust focus.
Professional Engineer (PE) license is a plus.
Practice extreme ownership (no task is too small).
Love being in the trenches with your team and working with high empathy.
Have a growth mindset.

Skills

Biological nutrient removal (BNR)
Aqueous chemistry
Process performance analysis
Mass/energy balances
Process modeling
Experimental protocol development
Data collection standards
Process engineering
Carbon removal quantification
Monitoring, reporting, and verification (MRV)
Root-cause analysis
Technical writing
Process modeling tools (BioWin, SUMO, GPS-X, ASM libraries, or equivalent)
Analytical methods for wastewater and aqueous chemistry system characterization (e.g., IC, TIC, ICP)

Location

New Haven, CT
Brooklyn, NY

Work Type

Full-time
Onsite
Remote considered for exceptional candidates

Experience Level

10+ years of hands-on experience in biological wastewater treatment process engineering

Education Level

Bachelor’s degree in Environmental Engineering, Chemical Engineering, Civil Engineering, or a related field.

Salary/Compensations

$120,000 – $180,000

Benefits

Equity through the form of option grants
Flexible paid time off
401(k) plan
Well equipped office environment
Health benefits offerings

About the Company

CREW’s technology and services make wastewater treatment cheaper and more efficient, while permanently sequestering CO₂.
Leveraging advanced chemistry, natural minerals, and AI, we’ve developed and are deploying a category-defining process intensification technology, with decarbonization at its core.
We are currently deploying this technology across the US and Europe.
We’ve signed $30M+ in carbon removal offtake agreements with leading corporations looking to meet their climate goals, supercharging geographical CREW’s expansion.
CREW has offices and labs in New Haven, CT and offices in Brooklyn, NY.
CREW raises $25M of funding to scale wastewater treatment optimization technology as climate solution
A climate fix that could cut your water bill (The Wall Street Journal)
Leading U.S. water utility HRSD partners with CREW to deploy process intensification technology (Wastewater Digest)
The Colorado Energy Office awards $2.35M to CREW’s wastewater treatment CDR tech (Carbon Herald)
CREW signed a carbon credit offtake agreement with the Frontier Climate Fund (Reuters)
CREW delivers pioneering wastewater alkalinity enhancement credits (Carbon Herald)
CREW recognized as one of the most promising climate tech startups (Business Insider)

Equal Opportunity

We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, color, religion, national origin, gender, gender identity or expression, sexual orientation, age, marital status, veteran status, disability status, or any other protected characteristic under applicable law.