Office & Events Manager

Huntington Beach, California, United States

Founded in 2023, Mach Industries is a rapidly growing defense technology company focused on developing next-generation autonomous defense platforms. At the core of our mission is the commitment to delivering scalable, decentralized defense systems that enhance the strategic capabilities of the United States and its allies. With a workforce of approximately 350 employees, we operate with startup agility and ambition.

Our vision is to redefine the future of warfare through cutting-edge manufacturing, innovation at speed, and unwavering focus on national security. We are dedicated to solving the next generation of warfare with lethal systems that deter kinetic conflict and protect global security.

We are seeking a highly organized, resourceful, and proactive Office & Events Manage
r to oversee daily office administration, coordinate company events, and provide administrative support to executive leadership. This role will serve as a central point of coordination for office administration, employee engagement activities, company events, and executive administrative needs. The ideal candidate thrives in a fast-paced environment, demonstrates exceptional attention to detail, and can independently manage competing priorities while maintaining a professional and welcoming office environment.

This is a hands‑on role requiring strong organizational skills, discretion, flexibility, and a willingness to support responsibilities beyond traditional office management

Office Management & Administration

• Oversee daily office administrative functions to ensure efficient and organized operations.
• Manage office supplies, general purchasing, inventory, and administrative resources.
• Serve as a primary point of contact for general office inquiries, visitors, and administrative requests.
• Coordinate incoming and outgoing mail, deliveries, shipments, and general office correspondence.
• Manage administrative vendor relationships, including office supply providers, catering services, and other general service providers.
• Assist with administrative budgets, purchasing, expense tracking, invoice processing, and procurement activities.
• Develop and maintain office procedures, administrative records, and organizational systems.
• Coordinate with HR, IT, and other departments to support new-hire onboarding and employee administrative needs.

Workplace & Office Operations

• Serve as a primary point of contact for day-to-day workplace and office needs.
• Ensure office spaces remain organized, functional, professional, and ready to support employees, executives, and visitors.
• Coordinate office supplies, common-area standards, workplace amenities, furniture, and employee support needs.
• Support conference rooms, collaboration spaces, breakrooms, kitchens, executive areas, and shared workplace environments.
• Coordinate with Facilities on building-related issues impacting the employee workplace experience.
• Partner with IT and Security on workstation moves, conference room requirements, access needs, and employee onboarding/offboarding activities.
• Support workplace readiness for new hires, visitors, leadership meetings, company events, and other business activities.
• Manage workplace vendors and service providers as assigned.
• Monitor employee workplace feedback and identify opportunities for continuous improvement.

Event Planning & Employee Engagement

• Lead the planning, coordination, and execution of company-sponsored events, employee engagement activities, and corporate gatherings.
• Organize internal events, including all-hands meetings, leadership gatherings, team-building activities, holiday celebrations, and company milestones.
• Manage event logistics, including…