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Human Resources Generalist

CornerstoneBuildingBrandsCareers

St. Thomas, ON, Canada permanent

Posted: January 26, 2026

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Quick Summary

We are looking for a Human Resources Generalist to join our team in St. Thomas, ON, Canada. The ideal candidate will have experience in HR generalist roles and be able to provide excellent customer service and support.

Job Description

Who We Are

Since 1985 North Star has been an industry leader in manufacturing attractive and energy-efficient vinyl windows and patio doors. Whether building a new home or upgrading to today’s standards, North Star has an extensive range of quality, energy-efficient and full-featured windows that are not only beautiful, but offer exceptional value. We are committed to best-in-class manufacturing technology and ensure all our products consistently exceed industry standards. This is supported by a network of dealers with a reputation for providing quality workmanship and attentive customer service. For 36 years, North Star has been manufacturing quality windows and doors, delivering great service and providing exceptional value.

North Star Windows & Doors is a growing company in the building products industry backed by Cornerstone Building Brands, providing us with stability and strength in the North American market. Cornerstone Building Brands is the largest manufacturer of vinyl windows in North America with brands you’ve come to know and trust. We have endless building product options from standard to specialty to customized to whatever you’re looking for. But it’s our service capabilities that sets us apart.

At North Star Windows & Doors, we strive to produce a continuous stream of market leading products and services. We are creative and seek to recognize, embrace and apply new ideas and commercialize them more quickly than our competitors. We relentlessly seek to raise the bar on our products and services. We establish a reputation for innovation, quality and service that differentiates us from our competitors and enables us to tailor products and services to be the market leader.

Our building solutions are the cornerstone of the communities we serve. We believe every building we create, and every part of that building, positively contributes to communities where people live, work and play.

Why Join Our Team

Our employees are empowered to make a meaningful impact on our success while pursuing a wide range of opportunities to meet your personal aspirations for development and advancement within a stable, growing industry leader.

What You Can Expect from our Company

• You will be Part of a Winning Team
• You Can Capitalize on Your Opportunities and Make an Impact
• You Will Be Well Rewarded for Your Contributions to our Success
• You’ll work for a growing company with an excellent reputation in our sector for providing great products and customer service
• Competitive and tangible rewards that provide fair compensation relative to expectations and effort including base earnings, benefits for you and your family, and contributions toward your retirement savings
• Additional performance-based compensation
• Competitive vacation time
• Resources and support to help you manage your personal wellness

What the Company Expects of our Team

• Bring yourself fully to work each day
• Playing your role on the team so together we Win as One
• Welcoming and Driving Change to support our continued evolution
• Help drive the success of our Canadian Business through living our universal core values
• Making an Impact to ensure our continued success
• This is a fully on-site role at our St. Thomas, Ontario manufacturing facility located at 40684 Talbot Line

We are seeking a motivated and collaborative HR Generalist to join our Human Resources Operations team at our St. Thomas, Ontario plant. This is a fully in office, hands-on role within a dynamic manufacturing environment where you will have the opportunity to develop broad HR expertise while contributing directly to the success of the business and our employees. Occasional travel to sites within the business unit is required.

SCOPE OF ROLE

Reporting to the Human Resources Manager, the HR Generalist collaborates closely with plant leadership, Canadian HR team and HR COE’s to develop and drive strategic and operational human resources programs and initiatives.

Responsibilities include employee relations, workforce planning, talent acquisition, performance management, compensation, employee retention, coaching and development, compliance, conflict management, administrative support, project management and ad hoc initiatives.  This role will support onboarding and offboarding, serve as the HR systems and process owner and provide day-to-day HR support to employees and leaders, in partnership with the broader Human Resources team. Occasional travel to sites within the business unit is required.

KEY OBJECTIVES AND RESPONSIBILITIES

Employee Relations

• Partner with designated client groups within manufacturing operations and supply chain
• Provide day-to-day HR support and services to leaders and employees, ensuring responsive consistent, and reliable HR guidance
• Walk the shop floor daily to build relationships, monitor engagement and ensure HR support is accessible to all plant staff
• Participate in and/or lead employee relations investigations in partnership with the Human Resources Manager
• Collaborate with leaders in delivering and tracking all counseling and disciplinary actions to ensure fairness, consistency and adherence to company policies and employment legislation
• Support and participate in Company action planning initiatives to improve employee engagement and enhance retention
• Act as the Program Lead for the Connecting Communities Committee, plan and execute events in partnership with committee members and local organizations to support the Company’s goal of being an active and valued community partner

Benefits Administration and Leave Management

• Administer employee benefits program, including enrollments, updating member/dependent information, eligibility tracking, resolving employee claim issues through escalation when required
• Act as first point of contact for leave of absences, maintaining regular follow-ups with employees, and facilitating return to work plans
• Liaise with insurance provider regarding employee eligibility for disability leave, ensuring timely and accurate claims submission and management
• Be a key driver in streamlining benefits administration processes and advancing the shift to electronic management to improve efficiency and the employee experience

Payroll and HRIS

• Work closely with payroll and plant leaders to ensure smooth and accurate processing of biweekly payroll
• Own and process all HRIS transactions, collaborate with key stakeholders to troubleshoot challenges and drive process improvements
• Utilize reporting and HR dashboards to analyze workforce data and trends and provide insights to support proactive planning and decision-making
• Ensure human resources and personnel records are maintained in compliance with company policies and legislative requirements

Recruitment and Onboarding

• Support high-volume hourly recruitment during peak and busy seasons, including job postings, candidate screening, interview coordination, and hiring support
• Collaborate with plant leadership and talent acquisition to assess manpower needs and coordinating effective recruiting efforts for the plant
• Support the delivery of new hire orientation, facilitating sessions for key roles, and ensuring all employees receive a welcoming and exceptional induction experience
• Own the company’s internship program in partnership with local universities and the operations team
• Support employee career progression by driving the plant’s internal job posting program, partner with plant leaders in assessing candidate suitability, and drive a culture of promoting from within

Training and Development

• Drive the organization’s annual compliance training program, plan and facilitate group training sessions for plant staff, track and monitor completion
• Assist with planning and delivery of leadership development workshops
• Help strengthen workforce capability by identifying training needs, addressing skill gaps, and supporting succession planning efforts

• Bachelor’s degree or Post-Graduate Certificate in Human Resources Management
• CHRP certification or working toward designation is preferred
• 1 to 3 years of experience in Human Resources
• Experience in manufacturing industry is strongly preferred
• Prior experience or exposure to HRIS systems and payroll procedures (Dayforce knowledge is a strong asset)
• Proficiency in Microsoft Office Suite (Excel, PowerPoint, Word, Teams) is required
• Collaborative team player with the ability to build and maintain positive working relationships
• Results-driven, with the ability to work independently and exercise sound judgment and decision-making
• Thrives in dynamic, seasonal environments with the ability to step outside of comfort zones and adapt quickly to changing workforce needs
• Normal working hours are Monday through Friday, 8:00 a.m. to 4:30 PM
• This role requires flexibility to adjust the work schedule on a biweekly basis to ensure the night shift team has access to HR support (e.g., 5:30 AM–2:00 PM every other Friday)

Salary range: $55,000 - 70,000

This position is an existing vacancy. 

North Star Windows is committed to an inclusive, equitable and accessible workplace. We encourage applications from all qualified candidates, including those with disabilities. We will accommodate applicants’ needs, upon request, throughout all stages of the recruitment process. Please inform us of the accommodation(s) that you may require. Information received relating to accommodation will be addressed confidentially.

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