Office Manager / Executive Assistant

Position Description

Your Opportunity

TechSource is seeking a highly capable Office Manager / Executive Assistant to serve as a central operational anchor for our Los Alamos office and a trusted right hand to the SVP of Operations, West. This role blends executive-level administrative support with full ownership of the office environment and daily operations.

This position goes beyond traditional office management. You will ensure leaders can focus on strategic priorities while the office, schedules, systems, and details operate smoothly, professionally, and efficiently. If you thrive on ownership, discretion, and making others more effective through your work, this role is for you.

As a full-time Office Manager / Executive Assistant for TechSource, you will support the SVP West Operations in the Los Alamos Program Management Office (PMO) and serve as a key point of contact for visitors and staff. This role combines executive administrative support with office management and receptionist duties. Responsibilities include managing calendars and schedules, booking travel, processing expense reports and PII, coordinating office space, and assisting visitors. This is a full-time, onsite role in the TechSource Los Alamos, NM office.

What You Will Do

• Executive & Administrative Support
• You will report to the SVP of Operations, West.
• Provide direct administrative support to the SVP of Operations, West.
• Manage complex and frequently changing calendars with accuracy and discretion
• Coordinate meetings, travel arrangements, and logistics
• Prepare, submit, and track expense reports and related documentation
• Act as a professional liaison between the SVP and internal and external stakeholders
• Office Management & Guest Experience
• Create a first-class experience for visitors, clients, and staff by maintaining a polished front office and taking ownership of office appearance and readiness-ensuring it is welcoming, organized, secure, and fully functional
• Serve as the primary point of contact for incoming calls, mail, deliveries, and visitors
• Manage office supplies, equipment, and inventory
• Coordinate with property management, maintenance, janitorial services, and other vendors
• Coordinate meals, refreshments, and logistics for in-office meetings, events, and special occasions

• Proven experience in an office manager, executive assistant, or senior administrative role
• Strong proficiency in Google Workspace and Microsoft Office (Word, Excel, Outlook, PowerPoint)
• Excellent organizational skills with the ability to manage multiple priorities
• Excellent written, verbal, and interpersonal communication skills
• Professional demeanor with sound judgment and attention to detail
• Ability to work independently, take initiative, and solve problems proactively
• Ability to work onsite 5 days per week in Los Alamos, NM
• U.S. citizenship required

Desired Traits

• Friendly, confident, and professional
• Self-starter with a calm, no-nonsense, solutions-oriented mindset
• Highly organized, dependable, and punctual
• Trustworthy and discreet with sensitive information
• Comfortable following established processes while identifying ways to improve them
• Appreciates clear expectations, direct communication, and accountability
• Values work done well and takes pride in execution