Mechanical Engineer II

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

Overview

As Chemring Energetic Devices (CED) celebrates 50 years of building products that protect our country, protect the individual warfighter, and send rockets into outer space, our growth is creating new opportunities to expand our team with talented individuals who want to shape the next era of mission‑critical innovation.

CED is well situated in Downers Grove, Illinois – located a commuter train ride west of Chicago and a short drive from farmland.

CED's current salary range for this role is $84,000 to $108,500 per year. Compensation is determined by education, skills, experience, performance, shift, location, and geography. In addition to base salary, the total compensation package may include participation in a bonus, commission or incentive program. CED’s benefit offerings include medical, dental, and vision coverage; paid time off; disability insurance; 401(k) with company match; life insurance; voluntary supplemental insurance; parental leave; adoption assistance; tuition assistance; and employer/partner discounts. CED follows a 9/80 work schedule allowing employees to enjoy alternating Fridays off.

Job Summary

CED’s Mechanical Engineer II holds technical accountability in developing new products and supporting existing legacy devices for military, aerospace, pyrotechnic, pneumatic, or electro‑mechanical products throughout the product lifecycle. The Mechanical Engineer II will be the specialist on complex technical and product matters.

Requirements

Essential Job Functions

• Create solid models using Creo software (with Windchill).
• Generate detailed drawings per ANSI Y14.5M requirements applying correct dimensional tolerances and GD&T best practices.
• Perform engineering calculations in support of technical analysis using tools such as Matlab, Mathcad, Ansys, etc.
• Build, test, and evaluate prototypes.
• Lead internal and customer‑driven technical meetings, including System Requirements Reviews (SRR), Preliminary Design Reviews (PDR), Critical Design Reviews (CDR), and Production Readiness Reviews (PRR).
• Develop technical documentation including assembly and test procedures, presentations, SOWs, and BOMs.
• Manage complex technical programs during all phases of the product’s life cycle.
• Support legacy production jobs through disposition of nonconforming hardware, updating build documentation, supporting product improvement initiatives, and assisting in failure investigations.
• Maintain customer management with little supervision.
• Assist in proposal development by generating and reviewing management, technical, and cost proposal volumes.
• Provide project status updates, both internal and external, when required.
• Assist with the identification of project risk (schedule, technical) for assigned engineering efforts.
• Review customer requests, ensuring they comply with project contractual agreements and mitigate scope creep.
• Serve as a resource for less experienced engineers seeking best‑practice or program‑related answers.
• Perform the above functions in relation to project schedules throughout Concept, Design, Development, Pre‑Production, and Production.

Other Job Functions

• Comply with government and corporate laws, rules, regulations, policies, and procedures.
• Ensure 100% compliance with the Chemring Operational Framework, BACM, Code of Conduct, and U.S. Code of Ethics and Business Conduct.
• Special projects and other duties/responsibilities as assigned.

Education

Bachelor’s degree in engineering; Master’s degree in engineering preferred.

Experience

• Minimum of 3 years experience in CAD modeling (preferably Creo 8.0 or higher), including detailed drawing generation compliant to ANSI Y14.5M GD&T.
• Minimum of 3 years experience generating engineering calculations in support of technical analysis utilizing Mathcad, Matlab, or Ansys.

Skills and Qualifications

• Lawful U.S. person (ITAR restrictions).
• Eligible to possess explosives under the Safe Explosives Act of 2003 (as amended) as required by the Bureau of Alcohol, Tobacco and Firearms (ATF) for all employees of Chemring Energetic Devices.
• Ability to document design activities to support all stages of a program including PDR, CDR, DRR, TRR, etc.
• Ability to read, analyze, and interpret general business information, professional journals, technical procedures, and governmental regulations.
• Ability to write reports, business correspondence, and procedures.
• Ability to effectively present information and respond to questions from various stakeholders such as managers, clients, customers, and the general public.
• Ability to work within an agile and milestone‑driven culture and be capable of working with peers on a multidisciplinary team.

Physical and Other Requirements

Lifting, carrying, pushing, pulling, or otherwise moving objects weighing up to 20 pounds occasionally and/or a negligible amount of weight frequently. Involves sitting most of the time but may involve routine periods of walking or standing. Daily and extensive use of computer.

Disclaimer

The preceding job description has been designed to indicate the general nature and essential job functions of this position. It is not designed to contain or be interpreted as a comprehensive inventory of all duties, responsibilities, and qualifications required of employees assigned to this job. Employees will be expected to perform other job functions and duties as may be needed and/or required.

Equal Opportunity Employer

Chemring Energetic Devices (CED) is an equal opportunity employer. We evaluate applicants without regard to race, color, religion, sex, age, national origin, disability, veteran status, genetic information and other legally protected characteristics.

The “Know Your Rights” Poster is available here: EEOC Know Your Rights

CED’s EEO Policy Statement is available here: CED EEO Policy Statement

If you need a reasonable accommodation because of a disability for any part of the employment process, please send an e‑mail to Human Resources at [e-mail] or call 630‑969‑0620 and let us know the nature of your request and your contact information.