Office Manager / Executive Assistant

About CREW Carbon 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. Today, we help wastewater treatment facilities and operators: Improve the efficiency of existing, legacy infrastructure Eliminate hazardous chemicals & reduce operational costs Avoid $100M+ infrastructure upgrades Capture & Store CO₂ We are currently deploying this technology across the US. In addition, we’ve signed $33M+ in carbon removal offtake agreements with leading corporations, including JP Morgan, Google, and Stripe who are looking to meet their climate goals, supercharging CREW’s expansion. About the Role We are looking for a highly organized, proactive, and resourceful Office Manager / Executive Assistant to support our team and help keep the company operating smoothly. This role is designed to make the executive team at least 20% more efficient by taking ownership of administrative, scheduling, coordination, and office support responsibilities across the business. This person will provide direct support to the CEO, as well as leaders across Finance, Revenue, Science, and People. The ideal candidate is someone who thrives in a fast-paced environment, enjoys being the person who keeps things moving, and is comfortable jumping in wherever needed. This is a highly visible, in-office role 5 days a week at Newlab in Brooklyn. The right person will bring strong judgment, attention to detail, a service-oriented mindset, and the ability to manage competing priorities with professionalism and follow-through. Key Responsibilities Executive & Administrative Support Provide day-to-day administrative support to the CEO and executive leadership team. Manage complex calendars, schedule meetings, and proactively resolve scheduling conflicts. Coordinate internal and external meetings, including preparation, logistics, follow-up, and rescheduling as needed. Book travel, accommodations, transportation, and related logistics for executives and team members (as needed). Support conference attendance, speaking engagements, customer visits, investor meetings, and other external events. Help route inquiries, requests, and communications to the appropriate internal stakeholders. Prepare, ship, or mail samples, materials, swag, documents, or other items as needed. Assist with expense tracking, reimbursements, vendor coordination, and basic administrative processes. Office Management Serve as the primary point of contact for day-to-day office needs. Coordinate with building management, vendors, visitors, and internal team members as needed to facilitate in office meetings. Manage office supplies, swag, mail, shipments, and general office logistics. Support team lunches, onsite meetings, company gatherings, and visiting employee or guest experiences. Help create a positive and productive in-office environment for employees and leadership. Support the monthly all-hands meeting, including logistics, scheduling, room setup, materials, and follow-up. People & HR Support Support the People/HR team with recruitment coordination, including interview scheduling, candidate communication, and onsite interview logistics. Assist with onboarding logistics for new hires, including welcome materials, first-day coordination, system updates, and company trainings. Support offboarding logistics, including equipment coordination, documentation, and internal checklists. Help plan and facilitate company events, team-building activities, celebrations, and employee engagement initiatives. Assist with basic updates in the HR system, including employee information, PTO tracking, and administrative changes. Support PTO administration, reminders, and employee questions in partnership with the People team. Help maintain employee-facing documents, trackers, and internal resources as needed. Background 2–5+ years of experience in an administrative, office management, executive assistant, people operations, recruiting coordination, or similar role. Experience supporting executives, senior leaders, or fast-moving teams. Strong organizational skills and exceptional attention to detail. Excellent written and verbal communication skills. Ability to manage multiple priorities, deadlines, and stakeholders at once. High degree of professionalism, discretion, and sound judgment. Comfortable handling confidential information. Proactive and solutions-oriented, with the ability to anticipate needs before being asked. Strong follow-through and ownership mentality. Comfortable working in a fast-paced, early-stage, or evolving company environment. Positive, helpful, and calm under pressure. Proficiency with tools such as Google Workspace, Slack, calendar systems, and basic project management tools. Willing and able to work onsite at Newlab in Brooklyn 5 days per week. Ideal Candidate Profile The ideal candidate is someone who is organized, thoughtful, and energized by helping others work more effectively. You enjoy being the person who knows what needs to happen, who needs to be involved, and how to keep things moving. You are comfortable switching between executive support, office coordination, HR administration, recruiting logistics, and event planning. You do not need to have done every part of this role before, but you should be eager to learn, highly dependable, and excited to support a growing team. Compensation Compensation at the time of offer is unique to each candidate and based on a variety of factors such as skill set, experience, qualifications, and work location. Salary is one part of the total compensation and benefits package. Other benefits for eligible employees may include: equity through the form of option grants, flexible paid time off, 401(k) plan, well equipped office environment, and health benefits offerings. The expected base salary range for this role is $65,000 – $86,000. This range represents the company’s estimate for this position at the time of posting however actual compensation may vary based on skills, experience, location, role scope, and business needs. 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. In addition, 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 Insights 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 Employer 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. #J-18808-Ljbffr