About us

Arca is an Industrial Mineralization company that uses alkaline waste and byproducts to permanently remove carbon dioxide from the atmosphere. We are backed by leading climate technology investors and were a top20 finalist in the globally recognized XPRIZE for carbon removal. Arca’s founders are leaders in the field of carbon mineralization and carbon removal with more than 30 years of experience in innovation and research.

We believe that by working with nature, not against it, we can achieve carbon dioxide removal on the scale needed to stabilize the climate. If that resonates, we want to hear from you. We’re building a team of sharp, mission-driven, and collaborative individuals who take pride in using their skills to contribute to a sustainable future.

About the role

In this versatile, in-office role, you will provide both operations and executive support. On the admin/operations side, you will ensure the smooth day-to-day operations of our Vancouver HQ, managing facilities, coordinating critical shipments, assisting HR and finance functions, planning events, and supporting core administrative tasks. On the executive assistance side, you will provide administrative assistance to the CEO and leadership team, including complex calendar and meeting management, preparation and formatting of documents and presentations, and handling confidential correspondence and information.

Arca is a rapidly evolving start-up, and therefore, flexibility and the ability to thrive in a dynamic, fast-paced environment will be essential for success in this role.

Reporting to the Head of Operations and working closely with the CEO as well as across functions, you’ll improve Arca’s operational efficiency and lift the company’s overall productivity.

Key Responsibilities

Admin and office operations (65%)





- Front desk and reception: Manage incoming calls, correspondence, and courier deliveries, maintaining an organized reception area at all times.
- Office management: Ensure smooth day-to-day operations of the office and lab, including supply management, facilities upkeep, and general administrative duties.
- Shipping coordination: Prepare, package, label, and arrange outgoing shipments (including time-sensitive scientific or hardware shipments). Track inbound and outbound deliveries and coordinate with internal teams to ensure timely handoff.
- Inventory: Maintain inventory of office equipment and supplies; monitor stock levels and restock proactively.
- Logistics: Support the lab and deployment teams with basic logístical tasks, including equipment drop-offs/pickups and courier coordination.
- Purchasing supplies: Support teams in purchasing needs.
- Vendor management: Liaise with office vendors and service providers, including alarm services, IT providers, catering companies, cleaners, and office supply providers.
- Lunch orders and kitchen stocking: Coordinate and place lunch orders for meetings, special events, and office-wide occasions, catering to dietary preferences. Ensure kitchen is stocked and organized.
- Internal event coordination: Organize company events, meetings, and team-building activities, including venue booking, agenda planning, and logistics management.
- Office visitors and tours:



Coordinate the scheduling, arrival, and welcoming of office visitors and tours, ensuring that all internal stakeholders are notified and prepared.
- HR assistance: Support HR by assisting with onboarding processes, culture initiatives, preparing workstations for new hires, and other tasks as needed.

Executive assistance (35%)

- Provide executive administrative support to the CEO and leadership team, including complex scheduling, calendar management, and meeting prioritization.
- Assist with expense reporting, credit card reconciliations, and receipt management for executives.
- Prepare, proofread, and format documents, slide decks, and meeting materials.
- Manage the External Affairs event and conference calendar, tracking, logging, and coordinating Arca’s presence at events and providing admin support to the External Affairs team as required.
- Manage confidential information with discretion and maintain organized digital and physical filing systems.
- Carry out special initiatives as required.

Requirements of the role

- 6+ years' experience in office administration, executive support, or a related role.
- Detail-oriented: Highly reliable, organized, and comfortable managing both office and light technical workflows.
- Excellent communication skills.
- Ability to work independently as well as collaborate effectively with various teams.
- Proficiency in Microsoft Office (Word, Excel, Outlook).
- An adaptable and adaptable approach to work in a fast-paced, growing company.
- Tech-savvy: Comfortable with basic digital tools (Google Workspace, spreadsheets, device tracking tools) and adaptable to new software

Nice-to-haves

- Experience in a fast-growing startup environment.
- Experience with HRI

📌 Office and Executive Administrator (Vancouver)
🏢 Arca
📍 Vancouver