Executive Assistant - Construction and Commissioning

At ATC, our work powers communities, businesses, and daily life across the region. Behind every successful leader is a trusted partner who brings order to complexity, anticipates challenges, and helps turn priorities into action.

We’re looking for an Executive Assistant who thrives in a dynamic environment where every day is different, relationships matter, and organizational excellence drives results. This is an opportunity to become a key strategic partner to executive leaders while supporting enterprise initiatives that help shape the future of our organization.

As an Executive Assistant, you’ll do far more than manage calendars and coordinate meetings. You’ll serve as an operational partner who helps executives maximize their effectiveness, strengthens collaboration across the organization, and ensures critical priorities move forward. You’ll work closely with leaders, employees across all levels of the company, customers, community partners, and industry contacts while serving as a trusted resource for executive support, project coordination, communications, and organizational effectiveness.

If you’re energized by solving problems, building relationships, and helping leaders operate at their best, this role offers a unique opportunity to make a meaningful impact.

• Manage complex executive calendars, priorities, and scheduling conflicts
• Plan and coordinate meetings, agendas, leadership events, and executive communications
• Plan and organize executive travel, conferences, off-site meetings, and large-scale onsite events
• Serve as a trusted liaison between executives, employees, customers, business partners, and community stakeholders
• Handle highly sensitive and confidential information with professionalism and discretion

• Support multiple executives, departments, and enterprise initiatives
• Coordinate work across teams to ensure priorities stay on track
• Maintain records, files, systems, and administrative processes
• Provide backup support and help ensure continuity across the Executive Suite
• Support leader development and continuing education activities

• Independently manage assigned projects and special initiatives
• Participate in company committees and enterprise programs
• Organize and track project activities to improve visibility and execution
• Identify opportunities to simplify processes, improve workflows, and increase efficiency
• Leverage technology, automation, and AI tools to reduce administrative burden and improve outcomes

• Draft and prepare reports, dashboards, presentations, and data summaries
• Assist with departmental budget tracking, forecasting, and expense reporting
• Maintain SharePoint sites and business systems
• Coordinate surveys and reporting activities
• Help leaders make informed decisions through accurate and timely information

• High School Diploma
• Three or more years of experience supporting executives or senior leaders, or an equivalent combination of education and experience
• Strong proficiency with Microsoft Office applications, including Outlook, Word, Excel, and Power Point
• Excellent written, verbal, and interpersonal communication skills
• Demonstrated organizational, prioritization, and problem-solving capabilities
• Ability to manage confidential and sensitive information appropriately
• Proven ability to adapt quickly to changing priorities and emerging business needs

• Associate’s or Bachelor’s degree in Business or a related field
• Experience supporting multiple executives or business functions
• Experience with drafting
• Exp…