Executive Assistant

Company Overview

Oso Semiconductor is a rapidly expanding early-stage fabless semiconductor company specializing in designing advanced microchips for wireless communications and sensing. Founded by UC Berkeley PhDs, their innovative microchip architecture leads to 2-4 times power savings for phased array systems used across satellite communication (SATCOM), 5G, and radar. Having secured Series A funding, shipped their initial chipsets, and acquired both defense and commercial clients, they are now planning to triple their team size.

Role Summary

The Executive Assistant will serve as a crucial operational support to the CEO and the broader company, ensuring smooth daily functions and enabling leadership to focus on strategic growth. This high-trust role involves managing confidential information and collaborating across HR, finance, legal, and general operations in a dynamic startup setting. The position demands anticipatory organization skills and adaptability to shifting needs.

Key Responsibilities

• Handle varied administrative duties such as managing the CEO’s calendar and correspondence, arranging meetings and travel, and coordinating events.
• Provide operational support to enhance company efficiency and responsiveness, including identifying operational gaps and maintaining office resources.
• Assist HR efforts involving recruiting, onboarding, offboarding, and fostering a welcoming workplace culture.
• Carry out financial tasks including expense reporting, invoice and payroll processing, and purchase order management.
• Support legal and compliance functions by managing contracts and tracking NDAs and intellectual property filings.
• Manage relationships with external vendors and partners, facilitating scheduling and handling special requests.

Required Qualifications

• Over five years of experience in executive assistance, office management, or operations support, preferably backing founders or C-suite executives.
• Exceptional organizational prowess with experience handling complex calendars and competing priorities.
• Strong communication skills, both written and verbal.
• High level of discretion in managing sensitive and confidential information.
• Comfortable working within evolving, ambiguous startup environments.
• Proficiency with Google Workspace and capability to quickly adopt new software tools.

Preferred Qualifications

• Background working in startups, deep-tech, or semiconductor sectors.
• Familiarity with HR, recruiting, finance operations, or bookkeeping tasks.
• Experience with platforms like Gusto, Brex, QuickBooks, Carta, DocuSign, HubSpot, or Breezy.
• Event planning skills.

What Oso Semiconductor Offers

• Opportunity to influence groundbreaking technology with significant global impact.
• Central and trusted role within the company.
• Meaningful equity stake with growth potential.
• Founded by renowned UC Berkeley PhDs with multiple patents and published research.
• Proven market traction with long-term contracts in defense and commercial sectors.

Employee Benefits

• Stock options with a 4-year vesting schedule and 1-year cliff.
• Comprehensive medical, dental, and vision insurance plans sponsored by the employer.
• Hybrid work arrangement with on-site presence Monday through Wednesday.
• Unlimited paid time off.
• 401(k) plan with employer matching contributions.
• Regular team building events, lunches, and celebrations.
• Company-paid life insurance coverage.
• Access to flexible spending and health savings accounts.
• Pre-tax commuter benefits for transit and parking.