Engineer in Training Intern

CRH Americas • Berenda, CA

4d • $25 • Onsite

About The Position

Oldcastle Infrastructure™, a CRH company, is the leading provider of utility infrastructure solutions for the water, energy, and communications markets throughout North America. We're more than just a manufacturer of precast concrete, polymer concrete, or plastic products. We're a trusted and strategic partner to engineers, contractors, distributors, specifiers, and more. With our network of more than 80 manufacturing facilities and more than 4,000 employees, we're leading the industry with innovation and a safety-first mindset. Oldcastle Infrastructure is seeking a highly motivated Engineering Intern to support engineering, drafting, and manufacturing functions. This interdisciplinary role provides a robust learning experience across engineering design, production processes, and continuous improvement initiatives. Interns will apply classroom-based engineering principles to update and maintain drawings, review Bills of Material (BOMs), analyze production processes, and support documentation that aligns engineering intent with manufacturing execution. This position is expected to start in-person around May 2026 and continue through the entire summer term (i.e., May 2026 through August 2026). We ask for a minimum of 12 weeks, full-time and on-site, for most internships.

Requirements

• Sophomore through Senior pursuing a bachelor's degree in Engineering, Civil Engineering, Engineering Technology, Construction Management, or a related field.
• Foundational knowledge of engineering principles with proficiency in Microsoft Office.
• Strong analytical and problem-solving skills with high attention to detail.
• Excellent written and verbal communication skills.
• Ability to work independently and collaboratively within cross-functional teams.

Nice To Haves

• Exposure to AutoCAD and/or Autodesk Inventor preferred.

Responsibilities

• Analyze manufacturing processes, collect data, and assist with recommending improvements.
• Support troubleshooting efforts to reduce downtime and improve workflow efficiency.
• Learn production processes and ensure engineering documentation aligns with operational and manufacturing capabilities.
• Collaborate with estimating and production teams to validate specifications, quantities, and drawing accuracy.
• Assist in updating and maintaining current product drawings, BOMs, and engineering documentation.
• Gain exposure to robotic welding operations by supporting print review and BOM accuracy for standard welded products.
• Observe and assist with basic robotic welding programming updates and changeovers for repeatable products under engineering or production supervision.
• Review, compare, and correct engineering drawings to ensure precision and consistency.
• Update 2D and 3D models using Autodesk Inventor and AutoCAD.
• Generate accurate drawings and models based on Bills of Material (BOM) and ERP data.
• Maintain organized CAD files and support improvements to drafting workflows and documentation standards.
• Partner with engineering, estimating, production, and operations teams to communicate drawing updates and design changes.
• Participate in engineering discussions to understand design intent, robotic welding requirements, and production constraints.
• Provide input to enhance drafting standards, documentation practices, and manufacturability considerations.
• Assist with basic fixture design, review, and implementation to support robotic welding, assembly, and repeatable manufacturing processes.

Benefits

• Highly competitive base pay
• Comprehensive medical, dental and disability benefits programs
• Group retirement savings program
• Health and wellness programs
• An inclusive culture that values opportunity for growth, development, and internal promotion

What This Job Offers

• Job Type: Full-time
• Career Level: Intern
• Number of Employees: 5,001-10,000 employees