Apply on Employer Site

Cornerstone Building Brands · 9 hours ago

Product Engineer Intern

Londonderry, NH

Internship

Onsite

Intern

Start in 2026 Summer

Cornerstone Building Brands is a leading manufacturer of exterior building products for residential and low-rise non-residential buildings in North America. The Product Engineering Intern will support the Product Engineering Team in developing innovative solutions for the building industry, gaining hands-on experience with window and door products while contributing to new product development and product improvements.

Building MaterialManufacturingReal Estate

H1B Sponsor Likely

Responsibilities

Assist in the design, prototyping, and testing of new products

Support engineers in analyzing current products and maintaining specifications

Participate in reviewing and researching new product concepts to determine feasibility

Assist in ensuring products comply with industry certification standard related to performance, safety, structural integrity, and energy efficiency (e.g. AAMA, WDMA, NAMI, CSA, NFRC, IGMA)

Prepare and update drawings, schematics, technical documentation, and work instructions under engineer guidance

Support documentation and execution of Engineering Change Orders (ECOs) and Non-Standard Product Requests

Participate in cross-functional meetings with engineering, manufacturing, and other business teams

Gain exposure to manufacturing environments by supporting new product launches, audits, and production troubleshooting

Support voice-of-customer activities and continuous improvement (kaizen) exercises

Accompany engineers on site visits to observe field testing, customer service activities, or installation practices

Qualification

Mechanical EngineeringIndustrial EngineeringAutoCADInventorSolid Works

Required

Pursuing a bachelor's degree in Mechanical or Industrial Engineering or higher

Preferred

Experience working with AutoCAD, Inventor and/or Solid Works preferred

Benefits

Competitive pay

Inclusive, collaborative environment

Bragging rights – you’ll work for the market leader in multiple product categories

Professional development opportunities

Intern buddy

Medical, dental and vision benefits starting day 1

PTO

Paid holidays

FSA

Life insurance

LTD

STD

401k

EAP

Discount programs

Tuition reimbursement

Training

Professional development

Company

Cornerstone Building Brands

Glassdoor3.2

Cornerstone Building Brands provide complete building solutions for the residential and commercial markets. It is a sub-organization of Fortify Building Solutions.

Founded in 2018

Cary, North Carolina, USA

10001+ employees

https://www.cornerstonebuildingbrands.com/

H1B Sponsorship

Cornerstone Building Brands has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)

Distribution of Different Job Fields Receiving Sponsorship

Represents job field similar to this job

Trends of Total Sponsorships

2025 (4)

2023 (3)

2020 (1)