Employment Opportunity

If you are interested in being considered for or learning more about the following employment opportunities, please follow the specific instructions for submitting resumes and other material. Should you be unable to utilize our online applicant tracking system, ES3 ensures that you will be provided reasonable accommodations to make application in a suitable manner. We at ES3 greatly appreciate applicants who submit well-written, comprehensive, and well-formatted material. ES3 is an EEO/AA/Disability/Vets Employer. ES3 regrets that we cannot support telephone or walk-in inquiries regarding employment opportunities.

Mechanical/Aerospace Project Engineer: Rolling Stock I-II – Clearfield, UT (Full-Time)

ES3 Overview

ES3 takes great care to ensure we maintain equitable corporate policies, effective personnel management, and aggressive compensation packages.  As a result, ES3 has a proven track record of successful recruitment and stellar retention of professional staff.


ES3 has a purposeful business mission—to improve the performance, maintenance, and supply of mission-critical and safety-of-flight aerospace systems while reducing the hazardous exposure of aviation maintenance crews through reducing the environmental impact of aerospace operations and production processes.  At ES3 you can be certain that your daily work activities support the broader objectives of improving aviation performance / safety, reducing the environmental impact of aviation, and improving the safety and work conditions for aviation workers.


ES3 has a strong corporate culture of camaraderie, excellence, and effectiveness that truly stands out in today’s aerospace industry.  Each of ES3’s locations is focused on maintaining a secure, healthy, family-friendly, positive, and cooperative work environment.  You can take pride in your work, be inspired, and stay engaged in your field of expertise. Once you join ES3, you’ll want to make us your forever employer.

General Description & Duties

This position is with the ES3 Rolling Stock team (aircraft wheel/brakes/tires, antiskid and steering systems) of mechanical and electrical engineers along with logisticians who support research and development, test and evaluation as well as qualification/certification of new wheel, brake, tire, antiskid and steering configurations.  This position will be surrounded with experts in their fields who consistently impact aerospace engineering in both military and commercial projects that surpass industry norms.  The potential also exists for you to be an inventor of new design and process patents.  You will be mentored by one or more Licensed Professional Engineers (PEs) and as such you will be on-track to expand your body of knowledge and become a leader within your skillset.  


ES3 professional staff are the talent that makes ES3 successful.  You will work among a highly valued rank of professional staff.  You will have access to state-of-the art equipment, modern work facilities, and flexible schedules.


This position will be based out of our Clearfield, Utah engineering office. This facility boasts private offices, more than 75 engineers, scientists, logisticians, and technicians, along with proximity to our 120,000 square foot aerospace center with R&D, laboratory, prototyping, testing, and production capabilities.  ES3 also has facilities in downtown San Diego, California; Warner Robins, Georgia; and Midwest City, Oklahoma. All of our facilities have people steeped in a corporate culture that promotes a friendly and enjoyable workplace.

Desired Candidate Skills & Capabilities

  • Drawing and CAD Model Development in SolidWorks
  • Test Fixture Design
  • Conduct Trade Studies
  • Determine Interface Requirements and Design Modifications to Enable New Components to Interface with Existing Systems
  • Qualification and Flight Test Plan Development and Reporting
  • Instrumentation Equipment Design
  • Adept Report & Technical Writing Skills
  • Hardware-in-the-Loop (HITL) Simulation Skills
  • Proficient with MATLAB 
  • Requirements Analysis
  • Proficient in Microsoft Office Suite

Education & Experience Required

  • B.S in Mechanical or Aerospace Engineering from an ABET school of Engineering 
  • 0-10 Years’ Experience in Aerospace/Mechanical Design and Analysis or Related Field

Other Requirements

  • Candidate must be a U.S. Citizen.
  • As a condition of employment, candidates will be required to participate in a background investigation and be able to obtain a U.S. Government Security Clearance and a DOD-issued Common Access Card (CAC).
  • Ability to travel as required (less than 20%)

Key Competencies

  • Excellent communication skills 
  • An aptitude to learn new technology, problem solving 
  • Positive, pleasant, and professional attitude with all levels of staff, customers and government representatives 
  • Initiative to be pro-active, flexible, and open to changing priorities
  • Strong work ethic, high integrity, and high motivation for excellence 
  • Must be able to work independently, multitask and prioritize
  • Dependability and reliability  


ES3 can offer an environment that is both enriching and rewarding. ES3 offers an exceptional benefits program including:


  • Medical Insurance
  • Dental Insurance
  • Vision Insurance
  • Life Insurance
  • Disability Insurance
  • Flexible Spending Account, Health Savings Account and/or Health Reimbursement Account
  • Competitive Paid-Time-Off accrual and Holiday Pay
  • A generous matching 401K plan with up to 6% match and up to 2% profit sharing.


From our experience, staff members who participate in our company 401(k) plan are more engaged in our company than staff who do not. Thus, we try to partner with individuals who reinforce our company culture. Please visit our website at www.es3inc.com to learn more about us.


Click Here to Apply



ES3 is an Equal Opportunity/AA/Male/Female/Disability/Veteran Employer

Advancing Aerospace Technologies for More Than 20 Years