Strategic Executive Assistant to the Chief of Staff

STN Incorporated; Pleasanton (CA); On-site; USD 70,000 - 90,000; Full time

Benefits offered by this job

Health Coverage – Medical, Dental &amp

401(k) Plan

Unlimited PTO

Holidays Paid

Cell Phone Allowance

Collaborative, growth‑driven culture

Job summary

STN Incorporated is seeking an Executive Administrator to directly support the Chief of Staff in Pleasanton, CA. The role combines traditional executive assistance with hands‑on project execution across legal, finance, HR, and operations.

The successful candidate will be highly organized, discreet, and proactive, with 3+ years supporting senior leadership and strong Microsoft 365 skills. This onsite role offers meaningful ownership and growth in a fast‑growing tech environment.

Qualifications

• 3+ years of experience supporting senior leadership (Executive/Administrative roles).
• Exceptional organizational and time‑management abilities with multitasking and deadline discipline.
• Strong written and verbal communication with a professional presence.
• High proficiency with Microsoft 365 (Outlook, Word, Excel, PowerPoint, Teams) and adaptability to new tools.
• Sound judgment, discretion, and the ability to handle confidential information with integrity.
• Proactive, ownership‑driven mindset—anticipate needs and follow through.

Responsibilities

• Manage the Chief of Staff’s calendar, meetings, and conflicts.
• Triage emails, draft correspondence, and act as a professional point of contact.
• Coordinate meetings, agendas, materials, logistics, and note‑taking with follow‑ups.
• Arrange domestic travel and prepare expense reports.
• Support cross‑functional projects and initiatives across the business.
• Maintain organized filing systems and vendor/contract records.
• Prepare briefing materials and research to support decision‑making.

Skills

Organizational skills

Time management

Communication (written & verbal)

Microsoft 365 proficiency

Discretion

Proactive ownership

Tools

Project tracking tools

Job description

STN Incorporated is seeking an Executive Administrator to directly support the Chief of Staff in Pleasanton, CA. The role combines traditional executive assistance with hands‑on project execution across legal, finance, HR, and operations.

The successful candidate will be highly organized, discreet, and proactive, with 3+ years supporting senior leadership and strong Microsoft 365 skills. This onsite role offers meaningful ownership and growth in a fast‑growing tech environment.