Assistant Project Manager

Sterling Engineering
Downers Grove, IL

A rapidly growing client of Sterling Engineering, located in Naperville, IL, is expanding its team and adding key roles to support increased customer demand and production volume. This organization is a well-established, ISO-certified manufacturer with a strong reputation in precision metal fabrication and electrical component production, serving industries such as power generation, industrial equipment, and aerospace. They operate in a high-performance, team-oriented environment with a strong emphasis on quality, continuous improvement, and engineering collaboration.


They are currently seeking an Estimating/Manufacturing Engineer to support project quoting and production planning efforts.


Salary: $70,000 – $82,000

Location: Naperville, IL


Key Responsibilities:

  • Develop cost estimates for manufacturing projects
  • Create detailed process routings and timelines
  • Calculate material usage and layout for projects
  • Prepare proposals to submit for customer review
  • Collaborate with Engineering and Production teams for accurate estimates
  • Interface with customers and suppliers to discuss project requirements and deliverables


What Is Needed?


  • At least 3 years of experience in an Estimator role
  • 2 years of experience in a metal fab or CNC type of environment OR any manufacturing environment
  • Blueprint reading


Employee Selling Points:

  • Stable, growth-oriented company with consistent investment in new business and technology
  • Strong cross-functional collaboration between engineering, production, and leadership
  • Exposure to a wide variety of projects and industries (high mix environment)
  • Opportunity to make a direct impact on business through quoting and project execution
  • Clean, organized manufacturing environment with modern equipment
  • Leadership team that values internal growth and long-term employee development

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