Executive Assistant - System Planning

atcllc; City of Pewaukee (WI); On-site; USD 60,000 - 90,000; Full time

Job summary

ATC in Wisconsin seeks an Executive Assistant to partner with executive leadership, manage calendars, coordinate meetings, and organize travel. You will act as a trusted administrative partner supporting enterprise initiatives and shaping organizational effectiveness.

The role requires professional communication, discretion with sensitive information, and the ability to juggle multiple priorities across teams, customers, and community partners while driving efficiency with technology and

Qualifications

• Three or more years of experience supporting executives or senior leaders.
• Strong proficiency with Microsoft Office applications.
• Excellent written, verbal, and interpersonal communication skills.
• Ability to manage confidential and sensitive information.
• Adaptability to changing priorities and needs.

Responsibilities

• Manage complex executive calendars, priorities, and scheduling conflicts.
• Coordinate meetings, agendas, leadership events, and executive communications.
• Plan and organize executive travel, conferences, off-site meetings, and large onsite events.
• Serve as a trusted liaison between executives, employees, customers, partners, and community stakeholders.
• Handle highly sensitive information with professionalism and discretion.
• Support multiple executives, teams, and enterprise initiatives.
• Maintain records, files, systems, and administrative processes.
• Provide backup support and help ensure continuity across the Executive Suite.

Skills

Executive support

Calendar management

Travel planning

Cross-functional liaison

Communication

Confidential handling

Education

High School Diploma

Tools

Microsoft Office

Job description

Summary of Responsibilities:

At ATC, our work powers communities, businesses, and daily life across the region. Behind every successful leader and team 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.

Essential Responsibilities:

Why This Role Matters

As an Executive Assistant, you'll do far more than manage calendars and coordinate meetings. You'll serve as an administrative 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.

What You'll Do

Partner with Executive Leadership

• Manage complex executive calendars, priorities, and scheduling conflicts
• 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

Drive Organizational Coordination

• Support multiple executives, teams, 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

Lead Activities and Improve Processes

• Independently manage assigned special initiatives and activities
• 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

Support Business Operations

• Prepare reports, dashboards, presentations, and data summaries
• Assist with departmental budget administration, 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

What You'll Bring

Required Qualifications

• 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 PowerPoint
• 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

Preferred Qualifications

• Associate's or Bachelor's degree in Business or a related field
• Experience supporting multiple executives or business functions
• Experience with Microsoft Word, Excel, PowerPoint, Outlook, Teams, OneDrive, SharePoint, and Copilot; ability to become proficient in Concur, Workday, Oracle, Exto, Onspring, Vena, and Dynamics Finance & Operations
• Knowledge of budget administration and reporting, expense management, and invoicing and accounts payable

Why ATC?

• Purpose-Driven Work : We're energized by meaningful and challenging work that contributes to the greater good, from powering everyday life to grid modernization
• People-Centric Culture : We are difference makers. We lead with trust, value collaboration, and foster a supportive environment where people grow, contribute openly, and make a difference
• Flexibility & Balance : Our work environment encourages autonomy, connection, and choice with accountability
• Growth & Development : Curiosity, coaching, and engagement fuel careers. We invest in our people through cross-functional opportunities, skill-building, and assignments that stretch potential and build careers
• Comprehensive Rewards : Compensation, benefits, and well-being offerings are thoughtfully and competitively designed to support employees' unique needs
• Reliable Innovation : Gro