Sr. Design Engineer

The County Materials Family of Companies manufactures and delivers concrete construction products to meet the demand for growing communities.

Since 1946, we've relied on our talented and dedicated team members to provide reliable products with personalized service.

We're hiring a Sr.

Design Engineer to join County Prestress in Westmont, IL

Job Summary:
The Senior Design Engineer is responsible for the structural design, analysis, and project management of precast and prestressed concrete systems.

This role leads engineering calculations, oversees shop drawings, supports production, and ensures compliance with ACI, PCI, and IBC standards.

You'll act as a technical leader, mentoring junior engineers, driving innovation, and improving engineering processes, tools, and efficiency.

This position plays a key role in delivering safe, high-quality, and cost-effective structural solutions.

Job Duties & Responsibilities:


* Perform advanced structural analysis and design for precast and prestressed concrete components and systems


* Manage multiple engineering projects through design, submittal, production, and construction phases


* Prepare, review, and seal structural calculations and shop drawings (reinforcement, connections, erection, transport)


* Ensure designs comply with ACI, PCI, IBC, and local building codes


* Lead engineering calculations, reviews, and QA/QC processes


* Develop value engineering solutions and optimize design for cost, efficiency, and constructability


* Create camber control plans, lifting/handling strategies, and shipping solutions


* Review submittals and resolve non-conformances and technical issues


* Collaborate with project managers, drafters, architects, contractors, and production teams


* Serve as a technical liaison for customers and internal stakeholders


* Support sales and estimating teams with design expertise and bid development


* Lead research & development of new precast/prestressed products


* Develop and improve engineering tools, templates, and calculation software workflows


* Mentor and supervise junior engineers, designers, and interns


* Provide field and plant support for prestressing operations, lifting devices, and production challenges

COUNTY Core Competencies: The expected behaviors of all COUNTY team members that align with Our Values and Our Commitments:


* Integrity & Organizational Awareness


* Customer First Focus


* Results Driven Orientation


* Teamwork, Safety & Collaboration


* Problem Solving & Decision Making


* Creativity & Innovation

Job-Based Competencies:


* Design & Innovation


* Root Cause Analysis & Problem Solving


* Project Management


* Professional Skills


* Sales and Business Development

Experience & Qualifications: (Required or Preferred)

Required Experience:


* Bachelor's degree in civil engineering or Structural Engineering (master's preferred)


* 10+...