Executive Assistant
- Location
- Austin, TX
- Work type
- On-site
- Job type
- Full-time
- Salary
- Not listed
- Clearance
- Not required
- U.S. citizenship
- Not stated
- Posted
- Jul 14, 2026
- Department
- Operations
About the role
About Us
Harmattan AI is a next-generation defense prime building autonomous and scalable defense systems. Following the close of a $200M Series B, valuing the company at $1.4 billion, we are expanding our teams and capabilities to deliver mission-critical systems to allied forces.
Our work is guided by clear values: building technologies with real-world impact, pursuing excellence in everything we do, setting ambitious goals, and taking on the hardest technical challenges. We operate in a demanding environment where rigor, ownership, and execution are expected.
About the Role
Executive Calendar & Meeting Management
Own recurring meeting schedules for executive leadership and key business functions.
Coordinate leadership meetings, staff meetings, and internal working groups.
Improve meeting cadence, agenda management, action-item tracking, and follow-up processes.
Optimize executive calendars to maximize productivity and minimize scheduling conflicts.
Administrative Infrastructure
Develop scalable administrative systems, templates, trackers, and filing structures.
Support onboarding and offboarding activities for U.S.-based employees.
Assist with document management, records organization, and internal communications.
Establish repeatable processes that reduce administrative burden on leadership and staff.
Travel & Event Coordination
Coordinate domestic and international travel arrangements for executives and employees.
Support planning and logistics for demonstrations, trade shows, customer visits, and company events.
Manage meeting logistics, conference room scheduling, visitor coordination, and hospitality requirements.
Candidate Requirements
5–7 years of experience in office administration, executive support.
Previous experience supporting senior leaders, executives, founders, or C-suite personnel.
Experience coordinating calendars, meetings, travel, events, and administrative processes.
Experience in a startup, technology, aerospace, defense, or similarly fast-paced environment preferred.
Highly organized, with strong attention to detail and follow-through.
Adaptable and calm under pressure in a fast-paced, high-growth environment.
Strong communicator and collaborative team player.
We look forward to hearing how you can help shape the future of autonomous defense systems at Harmattan AI.