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About the Role

We're hiring an Executive Assistant to support our CEO and senior leadership directly. This role requires someone proactive, trusted with sensitive information, and capable of operating several steps ahead to keep leadership focused. Ideal for those who thrive in complex, fast-moving environments and excel at ensuring smooth operations.

Responsibilities

• Manage the CEO's calendar, communications, and priorities with minimal direction.
• Own scheduling across internal teams, external clients, legal counsel, and strategic partners.
• Attend leadership and client meetings; capture decisions and drive action item follow-through.
• Prepare polished presentations, briefings, reports, and correspondence on behalf of executive leadership.
• Review, organize, and track contracts, proposals, SOWs, and sensitive documentation.
• Coordinate logistics for client engagements, board meetings, and strategic events.
• Serve as a communications bridge between the executive team and internal departments, vendors, and partners.
• Handle confidential information — personnel matters, legal files, client data — with absolute discretion.
• Support operational and strategic initiatives as they arise.

Requirements

• 3+ years in an Executive Assistant or Chief of Staff–adjacent role, ideally in technology, professional services, or a similarly demanding environment.
• Experience supporting a founder or C-Suite executive.
• Proficiency in Microsoft 365 — Outlook, Teams, Word, Excel, PowerPoint — at a level beyond basic use.
• Strong written communication skills.
• Comfortable with ambiguity, tight timelines, and shifting priorities.
• Familiarity with cybersecurity, IT, or technical professional services is a genuine advantage.
• Discretion is non-negotiable.

Skills

• Microsoft 365 proficiency
• Strong written communication
• Handling ambiguity
• Managing tight timelines
• Adapting to shifting priorities
• Discretion

Location

• Toronto

Work Type

• Full-time

Experience Level

• 3+ years

About the Company

• Mjolnir Security is a Canadian cybersecurity firm built for high-stakes environments.
• We specialize in digital forensics and incident response, threat intelligence, penetration testing, and managed SOC services.
• We support clients across financial services, critical infrastructure, automotive, and government sectors.
• Founded in 2017 and headquartered in Toronto, we operate at the intersection of deep technical capability and operational urgency.