Chief of Staff at Harmattan AI | JoBuzzer

Summary

Harmattan AI, a rapidly growing defense tech company backed by $200M in Series B funding, is seeking a Chief of Staff to support the CEO. This role is crucial for translating strategic priorities into executable work, improving operational efficiency, and driving accountability across the organization. You will act as a thought partner to executive leadership, anticipating challenges and facilitating cross-functional coordination to accelerate growth and mission-critical system delivery to allied forces. The position emphasizes strategic execution and organizational build to scale the company effectively.

Required Skills

Microsoft OfficeGoogle WorkspaceHubSpot

Details

Experience Required: 5+ years
Education Required: Bachelor's
Work Authorization: Work Auth Required
Posted: Jul 19, 2026

Description

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

As Chief of Staff, you will serve as the CEO's force multiplier, ensuring strategic priorities become executable work across the organization. You will improve operating cadence, eliminate bottlenecks, drive accountability, and free the CEO to remain focused on customers, investors, and strategic growth.

This role is an enabler, not an administrator: you will anticipate problems before they surface, act with judgment in ambiguity, and be a trusted thought partner to executive leadership.

Responsibilities

Executive Operating Rhythm

Establish and run the executive operating rhythm across the U.S. organization
Implement weekly executive operating reviews and improve meeting cadence
Lead strategic planning and quarterly business reviews
Identify organizational bottlenecks and recommend improvements

Strategic Execution & Cross-Functional Coordination

Drive execution of strategic priorities established by the CEO
Coordinate cross-functional initiatives across Sales, Product, Engineering, Operations, and Manufacturing
Create and maintain a company-wide strategic initiative tracker
Manage multiple strategic initiatives simultaneously

Board & Executive Communications

Prepare Board of Directors materials and executive briefings
Own the Board preparation process end-to-end
Build KPI dashboards and executive reporting
Prepare the CEO for customer, investor, and stakeholder meetings

Organizational Build

Build scalable internal operating processes as the company grows
Support hiring priorities as the U.S. team scales
Close the loop daily with an executive action review with the CEO

Candidate Requirements

Experience as Chief of Staff to a CEO or executive leadership, or Aide-de-Camp experience
Background in senior program management or operations leadership
Track record scaling organizations from startup through rapid growth, ideally at a venture-backed company
Strong executive communications, strategic planning, and cross-functional leadership experience
Bachelor's degree in Engineering, Business, Political Science, or Economics; MBA preferred but not required
Military leadership experience highly valued but not required
Advanced proficiency with Microsoft Office and Google Workspace (PowerPoint, Excel), project management tools, and CRM tools (HubSpot preferred)
Highly organized systems thinker with strong business judgment and executive presence
Eligibility to work in the U.S.; background check requirements may apply given the nature of the organization.

We look forward to hearing how you can help shape the future of autonomous defense systems at Harmattan AI.