American Transmission Co.

Cybersecurity Analyst

Experience with cyber security frameworks (NIST, SANS, ISO, COBIT); regulatory compliance; NERC CIP preferred; risk analysis, vulnerability remediation; security architecture and IT/OT knowing firewalls, routers, switches, endpoints, OS, databases; strong communication.

Asset Data Specialist

Data management and quality controls; engineering data interpretation; Power BI analytics; BS/AS in engineering field; strong communication

Consultant Asset Manager

Bachelor’s degree in Engineering; 5+ years substation systems experience; cross-functional collaboration ability.

Associate Cost Engineer

Bachelor’s degree in construction/project/engineering or related field; 5+ years in cost engineering or project controls; experience with electrical transmission or large capital projects; strong cost forecasting, EVM, and reporting skills.

Transmission Line Maintenance Engineer

Bachelor’s degree in Engineering or related STEM field plus 4+ years in transmission or distribution; valid driver’s license; willingness to travel within service territory.

Sr Project Manager

Project Manager

Bachelor’s in Engineering, Construction Management, or related field; 6+ years leading large infrastructure/construction projects; preference for 3+ years in transmission; strong leadership, vendor oversight, and communication.

Construction Project Manager

Bachelor's degree in Engineering, Construction Management, or related field; 6+ years of progressively responsible experience on large-scale infrastructure or construction projects; strong leadership, vendor oversight, and communication skills.

Sr. Project Performance Field Specialist

Project Performance Field Specialist

3+ years in transmission or distribution construction; substation/overhead/underground project experience; Associate degree in Construction Management or Engineering or equivalent; OSHA 30; Primavera P6/Bluebeam/tools; MS 365 for documentation.

Records Specialist - Fixed Term

Records Specialist

Two+ years administrative support in an engineering office; data management, records, and CADD familiarity.

Team Leader - Grid Technology Delivery

Team Leader

Senior delivery leader with proven construction/infrastructure delivery, portfolio management, and team leadership; strong safety and reliability focus.

American Transmission Co

Sr Buyer

Bachelor’s degree in business or engineering; 3+ years as a Buyer; strong negotiation, supplier and contract management; process improvement; excellent communication.

Sr. Substation Engineer

Substation Engineer

Bachelor’s in Engineering; Electrical Engineering with Power Systems emphasis preferred; PE license preferred; experience in transmission, distribution, power generation, or design engineering; strong communication and project management.

Atcllc

Sr. Substation Services Engineer

Bachelor’s degree in Engineering; 5+ years in substation design and standards; Wisconsin and/or Michigan licensure preferred; PE preferred; base pay $119,500-$139,400; located in Cottage Grove, WI.

Sr Civil Project Engineer

Civil Project Engineer

Bachelor's degree in engineering; experience in civil/project engineering for transmission line projects; coordinate design, costs, and external consultants; relocation flexibility.

Manager-Tax and Asset Accounting

Manager Tax and Asset Accounting

Bachelor's in accounting; 7 years tax planning/compliance; 4+ years leadership; GAAP, FERC, tax provision experience; asset accounting oversight.

Technology Reliability Engineer

3+ years in reliability or systems engineering; strong knowledge of networks, servers, cloud platforms and monitoring.

Manager Corporate Security

Bachelor’s degree or a combination of education and experience in security management, emergency response, and risk assessment.

Title	Location	Date
Cybersecurity Analyst Full Time · $120K-$139K Pewaukee or Cottage Grove · Onsite	Pewaukee or Cottage Grove Onsite	May 1, 2026
Asset Data Specialist Full Time · $89K-$104K/yr De Pere or Kingsford or Cottage Grove or Pewaukee · Hybrid	De Pere or Kingsford or Cottage Grove or Pewaukee Hybrid	Apr 27, 2026
Consultant Asset Manager Full Time · $148K-$173K · 5+ YOE Pewaukee or Kingsford or Cottage Grove or De Pere · Hybrid	Pewaukee or Kingsford or Cottage Grove or De Pere Hybrid	Apr 13, 2026
Associate Cost Engineer Full Time · $72K-$84K · 5+ YOE Pewaukee or De Pere or Cottage Grove · Onsite	Pewaukee or De Pere or Cottage Grove Onsite	Apr 13, 2026
Transmission Line Maintenance Engineer Full Time · $90K-$104K · 4+ YOE Pewaukee, Wisconsin, United States · Hybrid	Pewaukee, Wisconsin, United States Hybrid	Mar 31, 2026
Sr Project Manager Full Time · 6+ YOE Pewaukee or Kingsford or Cottage Grove or De Pere · Hybrid	Pewaukee or Kingsford or Cottage Grove or De Pere Hybrid	Mar 30, 2026
Construction Project Manager Full Time · 6+ YOE Cottage Grove or Kingsford or Pewaukee · Onsite	Cottage Grove or Kingsford or Pewaukee Onsite	Mar 30, 2026
Sr. Project Performance Field Specialist Full Time · $103K-$121K · 3+ YOE Pewaukee, Wisconsin, United States · Onsite	Pewaukee, Wisconsin, United States Onsite	Mar 27, 2026
Records Specialist - Fixed Term Full Time · $58K-$67K/yr · 2+ YOE Cottage Grove or Kingsford or De Pere or Pewaukee · Onsite	Cottage Grove or Kingsford or De Pere or Pewaukee Onsite	Mar 16, 2026
Team Leader - Grid Technology Delivery Full Time · $145K-$169K Pewaukee or De Pere or Cottage Grove · Onsite	Pewaukee or De Pere or Cottage Grove Onsite	Mar 12, 2026
Sr Buyer Full Time · $96K-$112K · 3+ YOE Pewaukee or De Pere · Onsite	Pewaukee or De Pere Onsite	Mar 2, 2026
Sr. Substation Engineer Full Time · $120K-$139K Pewaukee or Kingsford or Cottage Grove or De Pere · Onsite	Pewaukee or Kingsford or Cottage Grove or De Pere Onsite	Feb 25, 2026
Sr. Substation Services Engineer Full Time · $120K-$139K · 5+ YOE Cottage Grove or Kingsford or De Pere or Pewaukee · Onsite	Cottage Grove or Kingsford or De Pere or Pewaukee Onsite	Jan 28, 2026
Sr Civil Project Engineer Full Time · $120K-$139K Pewaukee or Cottage Grove or De Pere or Madison · Hybrid	Pewaukee or Cottage Grove or De Pere or Madison Hybrid	Jan 14, 2026
Manager-Tax and Asset Accounting Full Time · 7+ YOE Pewaukee, Wisconsin, United States · Onsite	Pewaukee, Wisconsin, United States Onsite	Sep 29, 2025
Technology Reliability Engineer Full Time · 3+ YOE Cottage Grove, Wisconsin, United States · Hybrid	Cottage Grove, Wisconsin, United States Hybrid	Sep 18, 2025
Manager Corporate Security Full Time Pewaukee or Cottage Grove · Onsite	Pewaukee or Cottage Grove Onsite	Dec 2, 2024

Activities	Electric power transmissionPower grid operationsElectrical infrastructure developmentSubstation facility managementHigh-voltage network maintenance
Headquarters	US
Industries	UtilitiesEnergy
Name	American Transmission Co.
Employees	827
Type	Private
Parent Company	WEC Energy Group
Tagline	Operates high-voltage electric transmission networks and substations.
Founded	2,001
Website	atcllc.com
Latest Funding Round	Debt Financing
Latest Funding Year	2,025
Latest Funding Amount	250,000,000
Latest Investors	Institutional InvestorsAlleteU.S. Department of Energy

American Transmission Co.

About American Transmission Co.