Demo

Sr. Category Buyer

American Transmission Company
Cottage Grove, WI Full Time
POSTED ON 9/27/2026 CLOSED ON 10/25/2026

What are the responsibilities and job description for the Sr. Category Buyer position at American Transmission Company?

Summary of Responsibilities:

HELP BUILD THE INFRASTRUCTURE THAT POWERS COMMUNITIES

At American Transmission Company (ATC), every project we deliver helps power homes, businesses, and communities across our region. Behind those projects are smart sourcing decisions, trusted supplier relationships, and strategic procurement professionals who help ensure we have the right partners, materials, and services at the right time.

We're looking for a Category Buyer who can bring strategic thinking, strong business acumen, and a passion for continuous improvement to our Supply Chain team.

This is an opportunity to influence critical infrastructure projects, shape supplier strategies, drive measurable business value, and collaborate with stakeholders across the organization. If you're energized by solving complex challenges, negotiating successful outcomes, and building partnerships that make an impact, we'd like to meet you.

Essential Responsibilities:

Why You'll Love This Role

As a Category Buyer, you'll do far more than purchase goods and services. You'll serve as a trusted advisor and strategic business partner, helping ATC make informed sourcing decisions that support project success, operational reliability, supplier performance, and long-term value.

Influence sourcing strategies that support major energy infrastructure projects

Partner with engineers, project managers, and business leaders across ATC

Lead supplier negotiations and performance improvement initiatives

Use analytics and market intelligence to guide business decisions

Balance cost, quality, risk, service, and supplier relationships

Drive process improvements that create sustainable organizational value


What You'll Do

You'll manage assigned spend categories throughout the procurement lifecycle, from identifying business needs through supplier selection, contract execution, supplier performance management, and agreement closeout.

Strategic Sourcing & Category Management

Develop and implement category management and sourcing strategies

Analyze spend patterns and identify cost-saving opportunities

Conduct market research, benchmarking, and supplier evaluations

Lead competitive sourcing events and supplier selection processes

Evaluate total lifecycle cost and long-term business value

Supplier & Contract Management

Negotiate commercial agreements and contract terms

Support development of statements of work, service levels, and performance measures

Manage suppliers throughout the agreement lifecycle

Monitor supplier performance through scorecards, KPIs, and business reviews

Address supplier issues and drive corrective action plans

Business Partnership & Project Support

Collaborate with project teams, engineers, subject matter experts, and business stakeholders

Translate technical and business requirements into sourcing strategies

Provide procurement guidance throughout project planning and execution

Identify and mitigate supplier and commercial risks

Support successful delivery of capital and operational initiatives

Analytics & Continuous Improvement

Analyze spend, cost, supplier, and market data

Develop reporting and insights to support decision-making

Assist with demand planning and forecasting activities

Support process improvement initiatives across Supply Chain

Drive efficiencies that improve outcomes for stakeholders and suppliers


What You'll BringRequired Qualifications

Bachelor's degree in Supply Chain, Business, Engineering, or a related field, or equivalent combination of education and experience

Three or more years of experience in procurement, purchasing, sourcing, category management, or a related discipline

Experience managing sourcing initiatives and supplier relationships

Experience negotiating contracts and commercial agreements

Experience performing cost, spend, financial, or market analysis

Strong collaboration skills with cross-functional teams and stakeholders

Experience supporting process improvement initiatives

Preferred Qualifications

Experience within utility, energy, construction, infrastructure, engineering services, or other project-based environments

Experience working in regulated or compliance-driven organizations

Experience with Dynamics 365, SAP, Oracle, or other ERP systems

Experience utilizing Power BI or other analytics tools

Experience conducting supplier assessments, audits, or performance reviews

CPSM certification

Lean Six Sigma certification

Why ATC

  • Purpose-Driven Work:We'reenergizedbymeaningful and challenging work that contributes to the greater good, from powering everyday life togridmodernization.
  • People-Centric Culture:Wearedifferencemakers.Welead with trust, value collaboration, and foster a supportive environment where people grow, contribute openly, and makeadifference.
  • Flexibility & Balance: Our work environment encourages autonomy, connection, and choicewithaccountability.
  • Growth & Development: Curiosity,coaching,andengagementfuelcareers.Weinvestin 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 intheindustry.
  • 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 andoperatethe 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 $96,000 to $112,000 annually.* 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:

2026-09-25

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.

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

Salary : $96,000 - $112,000

If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Sr. Category Buyer?

Sign up to receive alerts about other jobs on the Sr. Category Buyer career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$85,531 - $109,389
Income Estimation: 
$111,374 - $142,035
Income Estimation: 
$114,534 - $134,548
Income Estimation: 
$85,531 - $109,389
Income Estimation: 
$111,374 - $142,035
Income Estimation: 
$114,534 - $134,548
This job has expired.
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at American Transmission Company

  • American Transmission Company Pewaukee, WI
  • Summary of Responsibilities: At American Transmission Company, reliability extends beyond the power grid. It also requires preparedness, resilience, and th... more
  • 2 Days Ago

  • American Transmission Company De Pere, WI
  • Summary of Responsibilities: Bring Clarity to Complex Projects At American Transmission Company, reliable project delivery begins with clear plans, trusted... more
  • 10 Days Ago

  • American Transmission Company De Pere, WI
  • Summary of Responsibilities: Bring your positive energy to ATC! We're looking for a Sr. Transmission Line Services Engineer who pairs transmission line kno... more
  • 12 Days Ago


Not the job you're looking for? Here are some other Sr. Category Buyer jobs in the Cottage Grove, WI area that may be a better fit.

  • TBS Companies Prairie, WI
  • Negotiate price and material agreements with appropriate and approved suppliers. Manage the full procurement process from requisition to delivery, includin... more
  • 1 Month Ago

  • Accuray Madison, WI
  • Give hope. Give health. Make your mark in the fight against cancer. At Accuray, we make a direct and powerful impact on the lives of cancer patients every ... more
  • 3 Days Ago

AI Assistant is available now!

Feel free to start your new journey!