Cornerstone Building Brands

Supply Chain Buyer

Vacaville, CA - Full-time

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Simonton Windows & Doors | Employer reference: REF3481R

Supply Chain Buyer

Supply Chain

Vacaville, CA, US

Posted on

Our commitment to Diversity, Equality and Inclusion

Cornerstone Building Brands is deeply committed to building a workplace and global community where inclusion is not only valued, but prioritized, providing an environment of mutual respect where equal employment opportunities are available to all applicants and team members.

Job description


  • This position is responsible for performing raw materials inventory management planning as part of the procurement team
  • Maintaining optimal raw material inventory levels using MRP and lean inventory management tools
  • Placement, management, and entry of purchase orders, as well as communicating purchase order status with suppliers
  • Performing root cause analysis on delivery failures
  • Coordinating inventory transfers between facilities and customer expedite requests
  • Participate in continuous improvement activities to accomplish plant business goals and objectives in terms of safety, quality, customer service, and cost and staff development
  • Collaborate with teams such as Customer Experience and Response, Operations Planning, Finance, Engineering, IT, Research, Development and Innovation, Logistics and other manufacturing facilities
  • Lead defined, medium-sized projects
  • Requires ability to define problems, collect data, analyze data, offer solutions, and implement improvements to achieve the desired results; Analyze and report inventory levels to plan, recommend and implement corrective action
  • Develop and implement effective processes for new product offerings/enhancements and ramp-up/ramp-down plans for product changes.
  • Promote safety and ensure a safe work environment and safe employee work habits, and maintain a respectful work environment



  • Requires a High School Diploma
  • 1 year of experience working within purchasing preferred, or equivalent supply chain, customer service, production leadership, and/or inventory management experience
  • Requires ability to define problems, collect data, analyze data, offer solutions, and implement improvements to achieve the desired results
  • Solid understanding of information systems that support supply chain and manufacturing operations
  • Intermediate proficiency in Microsoft Excel and databases.
  • Must have demonstrated skills in written and verbal communication
  • Excellent teamwork, interpersonal, analytical and conceptual skills
  • Demonstrated understanding of information systems that support manufacturing operations within this position's scope
  • Project management experience preferred
  • Experience using and teaching lean tools and techniques such as 5S, 5 why, A3 thinking, pull/kanban systems, and kaizen preferred

Additional information

Why work for Cornerstone Building Brands?

Our teams are at the heart of our purpose to positively contribute to the communities where we live, work and play. Full-time* team members receive** medical, dental and vision benefits starting day 1. Other benefits include PTO, paid holidays, FSA, life insurance, LTD, STD, 401k, EAP, discount programs, tuition reimbursement, training, and professional development. You can also join one of our Employee Resource Groups which help support our commitment to providing a diverse and inclusive work environment.

*Full-time is defined as regularly working 30+ hours per week.  **Union programs may vary depending on the collective bargaining agreement.

All your information will be kept confidential according to EEO guidelines

The US base salary for this full-time position $70k+ medical, dental, vision benefits starting day 1 + 401k and PTO. Our salary ranges are determined by role, level, and location. Individual pay is determined by work location and additional factors, including job-related skills, experience, and relevant education or training. Your recruiter can share more about the specific salary range for your preferred location during the hiring process.

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Cornerstone Building Brands is the largest manufacturer of exterior building products in North America. Our comprehensive portfolio spans the breadth of the residential and commercial markets, while our expansive footprint enables us to serve customers and communities across North America. Our relentless focus on excellence combined with our ongoing commitment to innovation and R&D has driven us to become the #1 manufacturer of windows, vinyl siding, insulated metal panels, metal roofing and wall systems, and metal accessories. We believe every building we create, and every part of that building, positively contributes to communities where people live, work and play.

Cornerstone Building Brands is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability. You can find the Equal Employment Opportunity Poster here. If you'd like to view a copy of the company's affirmative action plan or policy statement, please email If you have a disability and you believe that you need a reasonable accommodation in order to search for a job opening or to submit an online application, please e-mail This email is used exclusively to assist disabled job seekers whose disability prevents them from being able to apply online. Only emails received for this purpose will be returned. Messages left for other purposes, such as following up on an application or technical issues not related to a disability, will not receive a response.

California Consumer Privacy Act (CCPA) of 2018

Notice of Recruitment Fraud

We have been made aware of multiple scams whereby unauthorized individuals are using Cornerstone Building Brand's name and logo to solicit potential job-seekers for employment. In some cases, job-seekers are being contacted directly, both by phone and e-mail. In other instances, these unauthorized individuals are placing advertisements for fake positions with both legitimate websites and fabricated ones. These individuals are typically promising high-paying jobs with the requirement that the job-seeker send money to pay for things such as visa applications or processing fees. Please be advised that Cornerstone Building Brands will never ask potential job-seekers for any sort of advance payment or bank account information as part of the recruiting or hiring process.

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