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Job Description
Halcyon, a dedicated, adaptive security platform, is seeking an Executive Assistant to support their CTO & CPO. This role requires a proactive individual to streamline operations and maintain momentum across product, engineering, and business teams. This is an in-person position based in Halcyon's Austin headquarters.

Responsibilities:
  • Serve as a connective tissue between executives and cross‑functional stakeholders.
  • Orchestrate quarterly planning workshops, business‑review cadences.
  • Manage complex calendars and prioritize incoming requests.
  • Design lightweight yet scalable systems.
  • Collaborate with project leads to keep executives up to date on critical deliverables.
  • Coordinate all aspects of domestic and international travel.
  • Plan offsites, team workshops, and board meetings.
  • Triage executive inboxes and draft responses when appropriate.
  • Prepare agendas, briefing docs, presentations, and post‑meeting summaries.
  • Promote a continuous‑improvement mindset.

Requirements:
  • 5+ years supporting C‑level leaders in high‑growth tech environments.
  • Demonstrated track record of building repeatable processes.
  • Mastery of calendar, travel, and inbox management.
  • Strong facilitation, verbal, and written communication skills.
  • Proficiency with Office 365 productivity applications, Slack, Zoom, and basic productivity/organization tools.
  • High emotional intelligence and impeccable judgment.
  • Must reside in the Austin metro area and be available to work on‑site three to five days per week.
  • Project management experience a plus.
  • Experience directly supporting multiple executives in an engineering or product-led environment.
  • Prior experience coordinating technical programs or product launch milestones.
  • History of planning board meetings, investor summits, or C‑level off‑sites.

Halcyon offers:
  • Comprehensive healthcare (medical, dental, and vision) with premiums paid in full for employees and dependents.
  • 401k plan with a generous employer contribution.
  • Short and long-term disability coverage, basic life and AD&D insurance plans.
  • Medical and dependent care FSA options.
  • Flexible PTO policy.
  • Parental leave.
  • Generous equity offering.
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Halcyon

Halcyon is a cybersecurity company established in 2021, specializing in ransomware protection. It offers an adaptive security platform that combines advanced prevention engines with AI models. The company focuses on serving mid-market and enterprise clients with its products and solutions. Halcyon operates as a remote-native, globally distributed team, drawing expertise from industry veterans formerly at Cylance, Accuvant, FireEye, and ISS X-Force.

All Jobs at Halcyon (41)