Executive Assistant & Office Lead

About the role

Klir is looking for an Executive Assistant & Office Lead to support its senior leadership team and ensure the Toronto office runs smoothly. This hybrid role combines high‑level executive support with day‑to‑day office management in a fast‑growing water‑technology startup.

Key responsibilities

• Support the CEO, COO and CPO with calendar, inbox, meeting preparation and follow‑up.
• Prepare board and investor materials, pull data and ensure presentations are on‑brand.
• Draft and edit internal and external communications on behalf of the executive team.
• Coordinate cross‑functional projects where the executive team is the sponsor.
• Translate company strategy into quarterly team goals and track progress.
• Manage day‑to‑day Toronto office operations: vendor relationships, supplies, space management.
• Act as culture champion – welcome new hires, organise team events and maintain a workspace that reflects the company values.
• Facilitate two‑way communication between senior leadership and staff.

Required profile

• Proven experience supporting senior executives in a fast‑moving environment.
• Strong organisational skills with the ability to prioritise competing demands.
• Excellent written communication and attention to detail.
• Comfortable handling confidential information.
• Proactive, self‑starter who can work independently and as part of a team.

Required skills

• Advanced calendar and email management.
• Presentation preparation (e.g., PowerPoint or similar).
• Document drafting and editing.
• Project coordination.
• Office facilities management.

What we offer

• Hybrid work model (2 days in‑office, 3 days remote).
• Opportunity to work at a fast‑growing startup backed by leading investors.
• Impactful role in a mission‑driven company improving water utilities.