Windows and Doors Field Service Technician

Company: Cornerstone Building Brands
Location: Lubbock
Posted on: January 17, 2026

Job Description:

Job Description Job Description Company Description Cornerstone Building Brands, headquartered in Cary, North Carolina, is the largest manufacturer of external building products in North America with over $6 billion in annual revenue and an expansive North American footprint that includes almost 20,000 employees, operating in 70 manufacturing facilities, supported by a network of 80 distribution and branch office facilities. We have a broad product offering with a well-regarded brand portfolio including the 1 position in windows, vinyl siding, metal accessories, metal roofing and wall systems, and insulated metal panels. We believe every building we create, and every part of that building, positively contributes to communities where people live, work and play. Job Description ABOUT THE ROLE The Field Service Technician 2 is responsible for performing advanced field diagnostics, repairs, and installations of windows and doors. This role requires strong technical knowledge of window and door systems, materials, and installation practices, as well as the ability to lead multi-technician jobs, conduct water tests, and handle escalated warranty concerns. The ideal candidate demonstrates advanced product knowledge, excellent communication skills, and the ability to deliver a high level of customer satisfaction while ensuring safety and quality in all service activities. WHAT YOU’LL DO Field Technician 1 Responsibilities: Apply all knowledge and skills required of a Field Service Technician 1, including basic repairs, inspections, safety compliance, inventory, vehicle operation, and customer service. Window & Door Knowledge: Demonstrate expertise in multiple window types (single-hung, double-hung, casement, sliding) and door systems, including repair and replacement techniques. Material Expertise: Work with different window and door materials (wood, vinyl, aluminum, and various glass types) with proper techniques and care. Tools & Techniques: Utilize a range of tools such as drills, sealants, pry bars, caulk guns, and power tools with proficiency and accuracy. Diagnostics & Hotline Support: Perform diagnostics and provide technical support via phone and email to internal and external stakeholders. Water Tests: Conduct water tests according to company protocols and document results using internal software. Installation Practices : Apply knowledge of window and door installation practices to evaluate and support field projects. Multi-Technician Job Management : Organize and coordinate jobs requiring two or more technicians, ensuring effective collaboration with internal teams and customers. Escalation Management : Deescalate warranty or service concerns professionally, maintaining customer confidence and satisfaction. Advanced Repairs : Perform specialized repairs, including water intrusion fixes, shaped products, and installation diagnostics. Customer & Sales Support : Maintain strong relationships with customers and sales teams by providing clear communication, accurate documentation, and dependable service. Product Knowledge Development : Expand and apply knowledge of company products and industry standards to support advanced fieldwork. Travel : Travel within assigned territory daily; overnight travel may be required depending on territory. SKILLS & QUALIFICATIONS Strong verbal and written communication skills, including the ability to write professional emails, reports, and documentation. Strong organizational skills to manage multi-technician jobs. Excellent customer service and escalation management skills. Detail-oriented with the ability to complete advanced repairs accurately. Physical stamina and dexterity; ability to lift and carry up to 50 lbs consistently, climb ladders, and work at heights. Ability to prioritize tasks and manage time effectively. Team-oriented, adaptable, and committed to safety and quality. Qualifications WHAT YOU’LL NEED Education: High School Diploma or equivalent required. Certification: AAMA Installation Training certification preferred. License: Valid driver’s license with ability to successfully clear an MVR check. Experience: 3–5 years of general construction or building material installation experience preferred. 3–5 years of fenestration manufacturing or installation experience preferred. Technical Skills: Proficiency with hand and power tools. Ability to complete advanced diagnostics, repairs, and documentation. Strong understanding of installation practices for windows and doors. Additional Information All your information will be kept confidential according to EEO guidelines. 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. *Full-time is defined as regularly working 30 hours per week. Union programs may vary depending on the collective bargaining agreement. 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, age, pregnancy, genetic information, disability, or status as a protected veteran. You can find the Equal Employment Opportunity Poster here. You can also view Your Right to Work Poster here along with This Organizations Participation in E-Verify Poster here. If you'd like to view a copy of the company's affirmative action plan for protected veterans or individuals with disabilities or policy statement, please contact Human Resources at 281-897-7788 or HRCompliance@cornerstone -bb.com. 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 contact Human Resources at 281-897-7788 or HRCompliance@cornerstone -bb.com. 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. All your information will be kept confidential according to EEO guidelines. California Consumer Privacy Act (CCPA) of 2018 Must be at least 18 years of age to apply. 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.

Keywords: Cornerstone Building Brands, Lubbock , Windows and Doors Field Service Technician, Construction , Lubbock, Texas