Intern - Cyber Security Summer 2027

American Transmission Co.; City of Pewaukee (WI); On-site; USD 32,000 - 37,000; Full time

Job summary

American Transmission Co. in Wisconsin seeks a Cybersecurity Intern to support our cybersecurity program and defend critical infrastructure.

You will learn threat detection, assist in applying best practices, and gain hands-on exposure to SIEM, firewalls, IPS, malware analysis, endpoint protection, and vulnerability management while supporting reliable grid operations.

This paid internship emphasizes real-world projects, collaboration with experts, and growth in national-security aligned work.

Qualifications

• Enrolled as an associate’s or bachelor’s degree student in MIS, Cybersecurity, Computer Science, or a related program.
• Curious, motivated, and ready to contribute to protection of critical infrastructure.
• Interested in a meaningful internship that supports national security and operational reliability.

Responsibilities

• Learn how ATC identifies and responds to cyber threats through phishing and malware detection programs.
• Assist in applying cybersecurity best practices across systems and business activities.
• Gain exposure to cybersecurity tools and platforms including SIEM, firewalls, intrusion prevention systems, malware analysis tools, endpoint protection, and vulnerability management.

Skills

Curious

Motivated

Interest in national security

Education

Associate’s or Bachelor’s degree student in MIS/Cybersecurity/CS

Tools

SIEM

Firewalls

Intrusion prevention systems

Malware analysis tools

Endpoint protection

Vulnerability management

Job description

Summary of Responsibilities: About the Role

Join a team that plays a critical role in protecting the electric grid. As a Cybersecurity Intern at ATC, you’ll support our cybersecurity program and gain hands‑on experience defending critical infrastructure from evolving cyber threats. You’ll work with a team that safeguards ATC’s technology systems, helping ensure the reliable and secure operation of our electric transmission network.

Key Responsibilities

• Learn how ATC identifies and responds to cyber threats through phishing and malware detection programs


• Assist in applying cybersecurity best practices across systems and business activities


• Gain exposure to cybersecurity tools and platforms including:
  
  
  
  • SIEM (Security Information and Event Management)
  
  
  • Firewalls
  
  
  • Intrusion prevention systems
  
  
  • Malware analysis tools
  
  
  • Endpoint protection solutions
  
  
  • Vulnerability management systems
  
  
  
  

What You’ll Bring

• You’re an associate’s or bachelor’s degree student in Management Information Systems, Cybersecurity, Computer Science, or a related program


• You’re curious, motivated, and ready to contribute to the protection of critical infrastructure


• You’re interested in a meaningful internship experience where your work supports national security and operational reliability

Essential Responsibilities

Why ATC as an Intern

Purpose-Driven Work

Your work matters. As an intern at ATC, you'll contribute to meaningful projects that help power everyday life and support the future of the electric grid.

People-Centric Culture

We are difference makers. At ATC, you'll work alongside supportive teammates who value collaboration, encourage questions, and are invested in helping you succeed.

Flexibility & Balance

We understand that academics, extracurriculars, and personal commitments are important. Our internship experience is designed to provide flexibility while helping you gain valuable professional experience.

Learning & Development

Internships at ATC are built around growth. You'll gain hands‑on experience, receive guidance from experienced professionals, and develop skills that prepare you for future career opportunities.

Real-World Experience

From day one, you'll work on meaningful assignments, participate in team discussions, and contribute ideas that make an impact. We believe the best learning happens through doing.

Innovation in Action

The energy industry is evolving, and ATC plays a critical role in shaping its future. As an intern, you'll gain exposure to industry challenges, emerging technologies, and innovative solutions that support a reliable electric grid.

Connections That Last

Build relationships with professionals across the organization, expand your network, and gain insights into a variety of career paths within the energy industry.

A Shared Future

We're committed to creating an environment where interns can learn, contribute, and thrive. Your ideas, perspectives, and contributions help shape our future while building the foundation for you.

The pay range for this position is $23-27/hr. The pay range is a general guideline. Employment offers are evaluated individually and consider qualifications, experience and academic achievements.

Number of Openings Available: 1

Posting Date: 2026-09-11

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 any characteristic protected by law.

Family and Medical Leave Act (FMLA) Poster | U.S. Department of Labor Family and Medical Leave Act Poster Employee Polygraph Protection Act (EPPA) Poster | U.S. Department of Labor ERD-10861 Poster Honesty Testing poster WISCONSIN FAIR EMPLOYMENT LAW ATC is a transmission-only electric utility that helps keep the lights on, businesses running and communities strong in Wisconsin, Michigan, Minnesota and Illinois. As owner and operator of more than 9,530 miles of transmission lines and 530 substations, we help meet the electric needs of more than 5 million people in our service area.