Project Management Office Manager Jobs in Arizona

Job Description:

Location: Mesa, Arizona
Function: Administration / Site Operations
Category: G&A
Employment Type: Full-time

We are seeking an organized, proactive, and service-oriented Office Manager to support the Nextpower office in Mesa, Arizona, co-located with our inverter manufacturing facility. This role will be responsible for managing day-to-day office operations, administrative support, workplace coordination, visitor management, office supplies, vendor coordination, and general site support.

The Office Manager will help ensure that the Mesa office operates smoothly, professionally, and efficiently with the integration into Nextpower scaling the power conversion business. This role will work closely with site leadership, Operations, HR, Finance, Facilities, Manufacturing, and corporate teams to support employees, visitors, meetings, onboarding logistics, and office processes.

• Manage day-to-day office operations for the Mesa office.
• Serve as the primary administrative point of contact for employees, visitors, vendors, and internal stakeholders.
• Coordinate office supplies, pantry services, mail, shipping, conference rooms, office equipment, and general workplace needs.
• Support site leadership with scheduling, meetings, travel coordination, expense reporting, presentations, and administrative tasks as needed.
• Manage front-office activities including visitor registration, meeting coordination, badge support, and reception-related processes.
• Coordinate with Facilities, IT, HR, and Security to support employee onboarding, workspace setup, access needs, office moves, and workplace readiness.
• Support planning and coordination of site meetings, employee events, leadership visits, customer visits, and executive reviews.
• Maintain office records, vendor contacts, purchase requests, invoices, and administrative documentation.
• Partner with Finance and Procurement to process office-related purchase orders, vendor invoices, and expense tracking.
• Coordinate with Facilities and site teams to report office maintenance needs, safety concerns, and workplace issues.
• Support communication between the Mesa office, manufacturing site teams, and Nextpower corporate functions.
• Help establish office processes, administrative routines, and site operating standards as the business scales.
• Maintain a clean, professional, well-organized, and welcoming office environment.

• Associate's or Bachelor's degree in Business Administration, Office Management, Communications, or a related field preferred; equivalent experience may be considered.
• 8-12 years of experience in office administration, office management, site administration, executive support, or business operations support.
• Experience supporting an office, manufacturing site, engineering center, or industrial business environment.
• Strong organizational skills with the ability to manage multiple priorities, deadlines, and stakeholders.
• Excellent communication, interpersonal, and customer-service skills.
• Strong attention to detail and ability to maintain accurate records, schedules, and administrative processes.
• Experience coordinating vendors, office services, meetings, visitors, supplies, and workplace logistics.
• Proficiency with Microsoft Office, Outlook, Teams, Excel, PowerPoint, and common business systems.
• Ability to work independently, take initiative, and solve day-to-day operational issues.
• Professional demeanor and ability to interact effectively with employees, executives, customers, suppliers, and visitors.

• Experience supporting a manufacturing, engineering, energy, electronics, or industrial technology business.
• Experience supporting a newly acquired company, site ramp-up, or growing business operation.
• Experience coordinating executive visits, customer meetings, employee events, and cross-functional site activities.
• Familiarity with procurement, purchase orders, invoice processing, expense reports, and vendor management.
• Experience working with HR, IT, Facilities, Finance, and Operations teams in a site-based environment.

The ideal candidate is a dependable and highly organized office professional who enjoys creating structure, supporting people, and keeping a busy site running smoothly. This person should be comfortable working in a fast-paced environment where an office, engineering team, and manufacturing operation are closely connected.

The successful candidate will bring a strong ownership mindset, excellent follow-through, and the ability to support both daily administrative needs and broader site coordination of Nextpower's growing power conversion business.

At Nextpower, we are driving the global energy transition with an integrated clean energy technology platform that combines intelligent structural, electrical, and digital solutions for utility-scale power plants. Our comprehensive portfolio enables faster project delivery, higher performance, and greater reliability, helping our customers capture the full value of solar power. Our talented worldwide teams are redefining how solar power plants are designed, built, and operated every day with smart technology, data-driven insights, and advanced automation. Together, we're building the foundation for the world's next generation of clean energy infrastructure.

Nextpower is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.