Executive Assistant - Construction and Commissioning

ATC; City of Pewaukee (WI); On-site; USD 47,000 - 55,000; Full time

Job summary

ATC is seeking an Executive Assistant to act as a strategic partner to our executive leaders. You will manage calendars, plan events, coordinate travel, and handle confidential information while supporting enterprise initiatives across the organization.

You will work closely with leaders, employees, customers, and community stakeholders to drive efficiency, collaboration, and organizational effectiveness. This role offers a dynamic environment with growth opportunities.

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.

Responsibilities

• 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.

Skills

Executive support

Microsoft Office

Outlook

Word

Excel

PowerPoint

Communication

Organization

Discretion

Prioritization

Education

High School Diploma

Associate’s or Bachelor’s degree in Business or related field

Tools

Concur

Workday

Oracle

SharePoint

Microsoft Copilot

Job description

Summary of Responsibilities:

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.

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 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.

What You’ll Do

Partner with Executive Leadership

• 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

Drive Organizational Coordination

• 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

Lead Projects and Improve Processes

• 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

Support Business Operations

• 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

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 drafting
• Experience with Concur, Workday, Oracle, SharePoint, or similar business systems
• Experience using AI-powered productivity tools such as Microsoft Copilot
• Knowledge of budgeting, expense management, forecasting, or financial reporting processes

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 : Grounded in the communities we serve, we play a critical role in powering the grid, with the agility to innovate, lead, and drive progress in a time of transformational change in the industry
• A Shared Future : We commit to creating an environment where people can do their best work, thrive, and drive success for our customers and stakeholders, delivering a lasting impact for all

Join our Great Place to Work, where we build and operate the power grid that enables modern life, and where every role contributes to something bigger than any one of us.

The targeted base pay for this position is $34.48 to $40.23 per hour.* Base pay is one component of our comprehensive total rewards package which includes an annual incentive bonus, employer-sponsored pension plan, 401(k) match, HSA contribution, life & disability insurance, health care benefits, generous time off plans, flexible work arrangements, and much more.

*The pay range is a general guideline. Employment offers are evaluated individually and consider qualifications, experience, academic achievements, internal equity, and business needs. Pay exceeding the posted range is considered for uniquely qualified candidates. Interested internal candidates, with questions, please consult your Human Resources Business Partner.

Number of Openings Available:

1

Posting Date:

2026-10-21

Time Type:

Full time

Equal Opportunity Employer:

Applicants have rights under employment laws.

ATC is an equal opportunity employer that seeks to foster diverse teams of talented people working safely together. We respect and embrace diversity of all aspects and hire, train and promote employees without regard to race, color, religion, sex, age, national origin, sexual orientation, disability, genetics, protected veteran status, or any other characteristic protected by law. We encourage women, minorities, veterans and individuals with a disability to apply. All qualified applicants will receive consideration for employment without regard to anycharacteristic protected by law.

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