Lead Machinist

Date: May 4, 2024

Location: Baltimore, MD, US, 21220

Company: STENAHCM20

About Us:
Middle River Aerostructure Systems is a world-leading manufacturer of thrust reversers (the braking system on a jet engine), engine nacelle components and specialized aerostructures. It supplies and supports these products for engine makers, airplane manufacturers and aircraft operators. Located on Maryland’s Chesapeake Bay near Baltimore, MRAS has a 1.7-million sq. ft. facility situated on 180 acres – where the company and its predecessors have designed, built and equipped civil and military aircraft for over 90 years. In 2019, MRAS was acquired by ST Engineering North America, the U.S. affiliate of Singapore-based ST Engineering – becoming a part of its global network of aerospace facilities and offices. With the ownership change, the company was renamed Middle River Aerostructure Systems.



Role Summary

Lead Machinist will work in a prototype, development, and production support machine shop responsible for making one-off, precision details.  Primarily will be responsible for programming, operating, and troubleshooting multi-axis NC and manual milling and turning equipment.  This includes developing work holding methodology, selecting tooling and the appropriate machine for the job, and creating setup sheets for the machinists. 




  • HS Diploma/GED Equivalent.  Technical degree, vocational training, or a minimum of (15) years Industry and (10) years of relevant experience.
  • Work independently using drawings, process instructions, test plans or other written specifications to perform job duties.
  • Under direction of Team leaders, assist with executing/ communicating all technical, schedule, cost, quality, and safety requirements. 
  • Provide technical expertise to internal and external customers.
  • Lead and train other machinists in performing higher complexity job assignments.
  • Excellent written and verbal communication skills, and experience using productivity tools; word, excel, PowerPoint.

   Machine Shop Specific:

  • Develop NC programs based on Engineering definition (CAD model, hand sketch, general description of the problem).  Select appropriate cutters, speeds, feeds, depth of cut parameters. Load program, machine part & setup and verify accuracy of work when complete.
  • Must be able to operate all equipment in the Lab Machine Shop.
  • Experience machining a variety of materials – plastics/ composites/ aluminum/ carbon steel/ stainless steel/ titanium/ Inconel.
  • Typical workload is low volume, one-off projects.




MRAS is an equal opportunity employer and service provider and does not discriminate on the basis of race, age, religion, gender, gender identity, national origin, citizenship status, sexual orientation, disability, political affiliation or belief, or any other protected class. We are committed to the principles of Equal Opportunity Employment and are dedicated to making employment decisions based on merit and value.



Nearest Major Market: Baltimore