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About the Role

The Head of Technical Solutions will leverage deep wastewater treatment knowledge to scale CREW's technology and engage with partners, influencing market adoption. This role will also support Engineering, Operations, and R&D for product development and system integration. The position involves defining scientific priorities, mentoring team members, and driving the company's mission through research and analysis in a fast-moving, technically ambitious environment.

Responsibilities

Serve as CREW’s primary technical subject matter expert in utility-facing engagements.
Lead technical scoping conversations with utility engineering and operations teams, translating CREW’s biological treatment technology into the context of their specific process needs, infrastructure constraints, and discharge requirements.
Lead technical support for RFP/RFQ responses, contributing process-level framing and technical positioning, while developing repeatable tools and resources that enable the broader team to support future opportunities.
Conduct and oversee preliminary site assessments and technical fit evaluations for prospective deployment sites, personally leading strategic or complex opportunities while helping establish scalable qualification processes.
Help shape the growth of CREW’s technical solutions capability by mentoring future team members, refining customer engagement processes, and contributing to hiring, onboarding, and organizational development as the team expands.
Identify, develop, and manage strategic partnerships with utilities, municipal water authorities, engineering firms, and co-deployment partners.
Work in close coordination with the Commercial Team to own senior-level relationships at target accounts — utility directors, chief engineers, operations leads — particularly trust-based, multi-year partnerships that require sustained senior engagement.
Contribute to CREW’s external technical positioning via white papers, abstracts, peer-review papers, presentations — helping shape how the company talks about its technology with the engineering and operations community.
Contribute process and mechanical engineering judgment across both design review and active deployments — a technical resource for Operations and Wastewater Engineering when design or field questions arise.

Requirements

Bachelor’s degree in Environmental Engineering, Chemical Engineering, Civil Engineering, or a related field.
10+ years of experience in wastewater process engineering, biological treatment design, or related fields.
Strong understanding of wastewater treatment processes, including nutrient removal, solids handling, and pH and alkalinity control.
Experience developing and reviewing PFDs, P&IDs, site layouts, mass balance calculations, and process unit design.
Exceptional technical writing skills, with the ability to translate complex process science into clear, defensible documents for utility executives, consulting engineers, and other stakeholders.
Familiarity 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.
Experience with statistical programming and modeling (e.g., Python, R, MatLab).
Comfortable working in a rapidly evolving work setting and able to quickly synthesize new information to proactively adjust focus and maintain high-impact results.
Ability to travel 20-50% to project sites.
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

Wastewater treatment
Biological treatment design
PFDs
P&IDs
Site layouts
Mass balance calculations
Process unit design
Technical writing
Process modeling tools
BioWin
SUMO
GPS-X
ASM libraries
Analytical methods
Wastewater chemistry
Aqueous chemistry
IC
TIC
ICP
Statistical programming
Python
R
MatLab

Location

Brooklyn, NY (onsite)
Remote (considered for exceptional candidates with regular travel to Brooklyn)

Work Type

Full-time
Onsite
Remote (considered)

Experience Level

10+ years of experience in wastewater process engineering, biological treatment design, or related fields.
Master’s or PhD degree is a bonus.

Education Level

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

Salary/Compensations

$150,000 – $200,000

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.