Mechanical Engineer IV

Keystone Engineering Group Inc
📍 Seaford, Delaware, United States 💼 Full-time 🕒 Posted June 12, 2026

Job Description

Mechanical Engineer IV


Keystone Engineering Group, Inc. is a Professional Engineering Firm and Systems Integrator with 25+ years of experience in Design and Design-Build services for Water, Wastewater, and private industries. We have five offices located in Southeastern Pennsylvania, Northeastern Pennsylvania, New Jersey, Lewes Delaware, and Seaford Delaware.


Keystone has cultivated a strong employee and client centered environment where employees are valued, respected, and supported.


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Job Details

  • Location Seaford, Delaware
  • Job Type Full-time
  • Category Engineers
  • Posted Date June 12, 2026
  • Application Deadline July 22, 2026