Executive Assistant

Full-Time | On-site | McLean, VA | Frequent Travel Required

N0S.tech (Non-Zero-Sum Technologies) operates at the intersection of AI-driven market intelligence and quantitative finance. By leveraging autonomous, agentic research pipelines and proprietary algorithmic models, N0S and its affiliate, N0S Capital, provide high-conviction alpha strategies to both external investment firms and internal portfolios.

The Executive Assistant is a trusted operational and communication partner to our senior executive partner. This role focuses on executive readiness, communication quality, logistical excellence, and situational judgment
, rather than routine administrative tasks.

The Executive Assistant enables executives to operate at the highest level by managing complex logistics, preparing for high-stakes interactions, maintaining discretion, and demonstrating strong judgment—especially in dynamic, high-pressure environments.

• Accuracy and reliability in executive scheduling, travel, and logistics
• Quality, clarity, and professionalism of executive-facing and external communication
• Ability to anticipate executive needs and risks before they surface
• Judgment and discretion in confidential, ethical, or sensitive situations
• Composure and effectiveness under pressure or last-minute changes
• Attention to detail in operations, preparation, and executive readiness
• Cultural fluency and effectiveness in international and cross-cultural settings

• Provide high-level executive support including calendar management, scheduling, and meeting coordination
• Plan and manage complex domestic and international travel, often with short notice
• Prepare detailed itineraries, briefing materials, and logistical plans to ensure executive readiness
• Serve as a professional communication bridge between executives, internal teams, and external partners in English and Mandarin Chinese
• Draft, review, and manage sensitive correspondence and materials with precision and discretion
• Maintain strict confidentiality and apply sound ethical judgment at all times
• Support executives during high-stress periods by maintaining operational stability and professionalism
• Assist with special projects and executive-level initiatives as required

• Fluency in English and Mandarin Chinese (spoken and written)
• Proven experience supporting senior executives or leadership teams
• Exceptional organizational skills with a strong eye for detail and precision
• Strong written and verbal communication skills suitable for executive representation
• Ability to manage ambiguity, last-minute changes, and high-pressure situations
• High level of integrity, discretion, and ethical judgment
• Proficiency with Microsoft Office Suite and scheduling systems
• Willingness and ability to travel frequently and support extended or irregular hours when required

• Experience supporting executives in technology, consulting, or international business environments
• Experience working with global or cross-cultural teams
• Exposure to executive-level decision-making or high-stakes engagements

We are specifically looking for someone who demonstrates:

• Professional maturity and emotional intelligence
• Calm, respectful communication—even when receiving blunt or direct feedback
• Strong ethical standards and sound judgment in sensitive situations
• Proactive thinking and anticipation of executive needs
• Curiosity and a strong desire to learn from executive exposure
• Cultural awareness and adaptability across communication styles
• Reliability, resilience, and composure under pressure
• Frequent travel with executives is required
• Flexibility to support extended hours during…