Mechanical Engineer II: Defense Systems Prototyping

Chemring Energetic Devices; Downers Grove (IL); On-site; USD 84,000 - 108,500; Full time

Benefits offered by this job

Medical, dental, and vision coverage

401(k) with company match

Life insurance

Tuition assistance

Parental leave and adoption assistance

9/80 work schedule

Job summary

Chemring Energetic Devices in Downers Grove, IL is seeking a Mechanical Engineer II to drive military, aerospace, and electro‑mechanical products through their lifecycle. The role emphasizes precision CAD modeling, detailed drawings, GD&T, and cross‑functional collaboration.

You will develop solid models in Creo, perform technical analyses, build and test prototypes, and participate in critical design reviews with a multidisciplinary team.

Qualifications

• Bachelor’s degree in engineering; Master’s degree preferred.
• Minimum 3 years CAD modeling experience (Creo 8.0+).
• GD&T experience and ANSI Y14.5M compliance.

Responsibilities

• Create solid models using Creo with Windchill.
• Generate detailed drawings per ANSI Y14.5M with GD&T.
• Perform engineering calculations using Matlab/Mathcad/Ansys.
• Build, test, and evaluate prototypes.
• Lead design reviews (SRR, PDR, CDR, PRR).
• Develop technical documentation and BOMs.
• Support complex programs across product lifecycle.

Skills

CAD modeling

Creo

GD&T

Engineering calculations

Prototyping

Education

Bachelor’s degree in engineering

Master’s degree in engineering preferred

Tools

Creo 8.0+

Windchill

Mathcad

Matlab

Ansys

Job description

Chemring Energetic Devices in Downers Grove, IL is seeking a Mechanical Engineer II to drive military, aerospace, and electro‑mechanical products through their lifecycle. The role emphasizes precision CAD modeling, detailed drawings, GD&T, and cross‑functional collaboration.

You will develop solid models in Creo, perform technical analyses, build and test prototypes, and participate in critical design reviews with a multidisciplinary team.