Executive Assistant

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

Company Overview

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.

Role Objective

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.

Success in this role is measured by:

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

Key Responsibilities

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

Required Qualifications & Skills

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

Preferred Experience

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

Character & Personality Fit (Critical)

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 travel, including evenings and executive events

Ability to remain organized, prepared, and professional while on the road

Why This Role Is Attractive

Direct exposure to senior executives and real-time decision-making

Opportunity to develop an executive mindset and high-quality standards (“QA sensor”)

Significant learning through hands-on executive operations and international exposure

High-trust role with increasing responsibility and influence over time

Dynamic, intellectually challenging, and culturally diverse work environment

Who Will Succeed in This Role

This role is ideal for someone who:

Takes pride in precision, judgment, and professionalism

Thrives in demanding environments with high expectations

Sees executive support as a strategic function, not clerical work

Is seeking long-term growth through close executive partnership

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