Company · 58 open roles

Careers at Atcllc

Atcllc has 58 active roles on ResuMinder right now. Score your CV instantly and use the ResuMinder extension to apply in seconds — no manual form-filling.

Active roles
58

Refreshed continuously

Median salary
$46,700–$54,470

Across active listings

Top of band reaches $139,400 for senior tracks.
Top hirers
Hottest cities
Pewaukee, WI47Cottage Grove, WI5De Pere, WI2Cottage Grove or De Pere or Pewaukee1Pewaukee or De Pere or Cottage Grove1Pewaukee or Kingsford or Cottage Grove or De Pere1Cottage Grove or Pewaukee1

All open roles

58 positions at Atcllc

Associate Protection and Control Engineer

Atcllc·Pewaukee, WI

OnsiteFull-time$77,400–$90,200/year9d ago

Summary of Responsibilities: Every relay setting, protective scheme, and automation solution plays a critical role in keeping the transmission system safe, reliable, secure, and ready for the future. ATC is looking for a technically curious, safety-focused engineer who wants to…

protective relayPower Systemsubstation controlmetering+4

Director Security and Response

Atcllc·Pewaukee, WI

OnsiteFull-time10d ago

Summary of Responsibilities: Powering a secure and resilient future At American Transmission Company (ATC), security is about more than protecting systems and facilities. It is about safeguarding the people, infrastructure and operations that support a reliable electric grid. We…

enterprise securitycybersecurityPhysical SecurityThreat Intelligence+8

Intern- System Planning Summer 2027

Atcllc·Pewaukee, WI

OnsiteFull-time60d ago

Summary of Responsibilities: About the Role Start your career at a Great Place to Work! We’re looking for a Transmission Planning Intern to support our Transmission System Planning team. Key Responsibilities As a Transmission Planning Intern, you’ll contribute to efforts tha…

Intern-Marketing, Customer and Corporate Affairs Summer 2027

Atcllc·Pewaukee, WI

OnsiteFull-time60d ago

Summary of Responsibilities: About the Role Start your career at a Great Place to Work! ATC is looking for a Marketing/Business Intern who’s curious, creative, and ready to support internal and external marketing and communication efforts. Key Responsibilities • Assist in the…

Intern-Operations Engineering Summer 2027

Atcllc·Pewaukee, WI

OnsiteFull-time60d ago

Summary of Responsibilities: About the Role Join ATC’s Operations Engineering Intern Program to support the reliability and efficiency of our electrical transmission system. You’ll be contributing to something that truly matters, keeping power flowing to homes and businesses ac…

Intern - Energy Management System (EMS) Summer 2027

Atcllc·Pewaukee, WI

OnsiteFull-time60d ago

Summary of Responsibilities: About the Role Start your career at a Great Place to Work! ATC is looking for a System Operations Engineering Intern to support our System Operations team by updating, developing, and maintaining our Energy Management System (EMS). You’ll be at the …

Intern-Construction Project Management Summer 2027

Atcllc·Pewaukee, WI

OnsiteFull-time60d ago

Summary of Responsibilities: About the Role Join ATC as a Construction Project Management Intern and gain hands-on experience supporting critical utility projects that keep the grid running. You'll collaborate with experienced project managers to learn how we plan, execute, and…

Intern-Project Performance Summer 2027

Atcllc·Pewaukee, WI

OnsiteFull-time60d ago

Summary of Responsibilities: About the Role Start your career at a Great Place to Work! We’re looking for an Estimating and Cost Engineering Intern to support our project execution teams by helping track, analyze, and report on cost and performance metrics for ATC’s capital pro…

Intern-Human Resources Summer 2027

Atcllc·Pewaukee, WI

OnsiteFull-time55d ago

Summary of Responsibilities: About the Role ATC is looking for a Human Resources Intern eager to explore a variety of HR focus areas including talent acquisition, organizational development, and learning and development. This internship offers a well-rounded experience for stud…

Intern - Cyber Security Summer 2027

Atcllc·Pewaukee, WI

OnsiteFull-time45d ago

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 thre…

Intern-Construction Project Management Summer 2027

Atcllc·Pewaukee, WI

OnsiteFull-time41d ago

Summary of Responsibilities: About the Role Join ATC as a Construction Project Management Intern and gain hands-on experience supporting critical utility projects that keep the grid running. You'll collaborate with experienced project managers to learn how we plan, execute, and…

Intern-Audit and Risk Management Summer 2027

Atcllc·Pewaukee, WI

OnsiteFull-time34d ago

Summary of Responsibilities: About the Role ATC is looking for an Audit Intern to support our internal audit team in conducting a variety of audit engagements. You’ll gain hands-on experience with planning, testing, reporting, and following up on audit recommendations. This rol…

Intern - Civil Engineering Summer 2027

Atcllc·Pewaukee, WI

OnsiteFull-time34d ago

Summary of Responsibilities: About the Role ATC is seeking a Civil Design Engineering Intern to support the work of our Design Engineers and Designers. You’ll contribute to real-world utility projects while gaining experience in civil design and transmission engineering practic…

Intern - Civil Engineering Summer 2027

Atcllc·Pewaukee, WI

OnsiteFull-time34d ago

Summary of Responsibilities: About the Role ATC is seeking a Civil Design Engineering Intern to support the work of our Design Engineers and Designers. You’ll contribute to real-world utility projects while gaining experience in civil design and transmission engineering practic…

Sr. Cloud Systems Engineer

Atcllc·Pewaukee, WI

OnsiteFull-time107d ago

Summary of Responsibilities: Build the Future of Cloud, Automation, and Hybrid Infrastructure At ATC, we power the systems that keep the electric grid running. As a Technology System Engineer, you will help design, automate, and evolve secure, reliable, and scalable infrastruct…

Executive Assistant - EVP Chief Assets Officer

Atcllc·Pewaukee, WI

OnsiteFull-time$37–$43/hour23d ago

Summary of Responsibilities: At ATC, our people are the foundation of everything we do. As the Executive Assistant to the Executive Vice President (EVP), you'll serve as a trusted operational partner who strengthens executive effectiveness, organizational alignment, and dependab…

Budgetingexpense reportingAccounts payableMicrosoft Office+5

IT Project Manager

Atcllc·Pewaukee, WI

OnsiteFull-time$119,500–$139,400/year24d ago

Summary of Responsibilities: HELP DRIVE THE TECHNOLOGY INITIATIVES THAT POWER ATC'S FUTURE At American Transmission Co. (ATC), technology plays a critical role in supporting the systems, people, and processes that keep our business moving forward. Behind every successful techno…

Project ManagementStakeholder ManagementMicrosoft ProjectSharePoint+8

Emergency Preparedness Specialist

Atcllc·Pewaukee, WI

OnsiteFull-time$83,200–$97,100/year25d ago

Summary of Responsibilities: At American Transmission Company, reliability extends beyond the power grid. It also requires preparedness, resilience, and the ability to respond effectively when unexpected events occur. We’re looking for a Resiliency & Emergency Management Specia…

emergency managementBusiness ContinuityIncident Responsenims+8

Executive Assistant - Construction and Commissioning

Atcllc·Pewaukee, WI

OnsiteFull-time$34–$40/hour25d ago

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 …

Microsoft OfficeOutlookWordExcel+8

Executive Assistant - System Planning

Atcllc·Pewaukee, WI

OnsiteFull-time$34–$40/hour25d ago

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 look…

Microsoft OfficeOutlookWordExcel+8

Litigation Coordinator

Atcllc·Pewaukee, WI

OnsiteFull-time72d ago

Summary of Responsibilities: At American Transmission Company, our work helps keep the lights on for millions of people across the Upper Midwest. Behind every major business decision, regulatory filing, legal matter, and strategic initiative is a team committed to integrity, com…

Manager-Government Affairs

Atcllc·Pewaukee, WI

OnsiteFull-time34d ago

Summary of Responsibilities: Shape the Future of Energy Policy. Build Meaningful Relationships. Make a Lasting Impact. At American Transmission Co. (ATC), we do more than move electricity across the grid. We help power communities, support economic growth, and enable a reliable…

Sr. Scheduler

Atcllc·De Pere, WI

OnsiteFull-time34d ago

Summary of Responsibilities: Bring Clarity to Complex Projects At American Transmission Company, reliable project delivery begins with clear plans, trusted schedules, and timely decisions. We are looking for a Scheduler to provide project controls support for electric transmiss…

Manager Real Estate

Atcllc·Pewaukee, WI

OnsiteFull-time102d ago

Summary of Responsibilities: At ATC, we power possibilities. Every transmission line, substation expansion, renewable energy connection, and grid modernization project begins with securing the right property rights, partnerships, and stakeholder alignment. That is where our Real…

Tech stack signals

What Atcllc hires for

Most-requested skills across active job descriptions.

Microsoft OfficeOracleConcurWorkdaySharePointExcelPowerPointIncident Responseexpense reportingTeamsProject coordinationOutlook
Atcllc careers — 58 open roles | ResuMinder | ResuMinder