Sr. Design Engineer

We’re hiring a Sr. Design Engineer to join County Prestress & Precast 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:

Bachelor’s degree in Civil Engineering or Structural Engineering (Master’s preferred)
10+ years of experience in structural engineering, with a focus on precast/prestressed concrete design
Professional Engineer (PE) license required; ability to obtain multi-state licensure and/or Illinois Structural Engineer (SE)
Proficiency in AutoCAD, RISA-3D, Concise, or similar structural analysis software
Experience with finite element analysis (FEA) preferred
Strong knowledge of PCI standards and precast fabrication methods
Excellent problem-solving, analytical, and communication skills
Ability to manage deadlines, multiple priorities, and fast-paced projects
Willingness to travel to project sites and production facilities as needed
Direct experience with precast concrete design and detailing
Advanced expertise in PCI design standards and fabrication processes
Proven experience leading engineering teams and mentoring staff
Ability to collaborate effectively with cross-functional teams and clients

Work Environment:
This role includes time in the office, production facilities, and active construction sites. Exposure may include noise, vibration, moving mechanical parts, airborne particles, and variable weather conditions typical of construction environments.

Physical & Work Expectations:
An individual in this position must be able to successfully perform the essential duties and responsibilities listed above. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions of this position.

Frequent standing, walking, bending, reaching, or handling materials/equipment.
Occasional climbing, kneeling, crawling, or lifting/moving up to 25 pounds.
Ability to concentrate, follow detailed instructions, communicate effectively, and safely perform job duties.
May require the operation of specific tools, equipment, or vehicles associated with the position.