CNC Machine Operator

About Rennscot MFG

Rennscot MFG, founded in 2017, started as a motorsports-focused shop in the aftermarket automotive industry. Now, they are a leading provider of advanced manufacturing services to exciting industries like aerospace, defense, & space technologies. Rennscot MFG strives to be more than just a machine shop; they solve problems in innovative ways, using a suite of integrated services to fuel a passion for ideation.

With a focus on diversifying into commercial and critical technology sectors, Rennscot MFG delivers cutting-edge technologies and unwavering commitment to quality. They offer a comprehensive range of services, including reverse engineering, metal & polymer additive manufacturing, and precision machining to support various industries’ needs. For more information, visit

The CNC Machine Operator will be responsible for operating a variety of CNC machines to support production needs s includes bandsaws, vertical mills, 5-axis mills, turning centers, and mill-turn machines. Operators will primarily run pre-proven processes, assist in setups, perform basic inspections, and contribute to shop upkeep and machine maintenance. Candidates will be evaluated for either a L1 or L2 role based on experience and skill level.

• Operate CNC equipment across multiple platforms (mills, lathes, mill-turn, etc.)

• Run pre-programmed processes while ensuring consistent part quality and process adherence

• Aid in machine setups, including installing and locating fixturing and work pieces

• Build and offset tools, and make minor adjustments as needed to maintain quality and efficiency

• Perform in-process and final inspections using hand metrology equipment (calipers, micrometers, height gauges, etc.)

• Deburr and clean finished components, and maintain a clean and organized work environment

• Conduct basic machine maintenance and report equipment issues as needed

• Follow safety protocols and use required PPE for handling raw materials, heavy parts, sharp components, and delicate assemblies

• Participate in continuous improvement initiatives and collaborate with teammates to optimize workflows

• Step into other support roles as needed based on company demands; assist with CNC machine operation, post-processing additively manufactured parts, mechanical assembly, or logistics tasks (e.g., driving components to/from outside processing vendors)

• Basic blueprint reading and an understanding of GD&T

• Familiarity with hand metrology equipment and part inspection techniques

• Strong mechanical aptitude and understanding of machining processes

• Ability to follow written work instructions and interpret technical documentation

• Experience building and offsetting tools, with the ability to make minor program adjustments

• Experience with CNC machine brands (ex. Haas, Okuma, GROB, Mikron) and controllers (Okuma OSP, Heidenhain, Haas)

• Hands-on experience with setup processes, including fixture installation and part locating

• Understanding of various manufacturing processes beyond machining

• Interest in automotive, aerospace, or space technology industries

• Frequent standing, walking, bending, and lifting of materials up to 50 lbs

• Handling raw materials, heavy parts, sharp components, and delicate assemblies

• Working in an industrial environment with potential exposure to noise, dust, and lubricants

• Use of PPE, including eye protection, hearing protection, and appropriate gloves, as required

• Overtime may be available and occasionally required

To conform to US Government export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a US citizen, lawful permanent resident of the US, protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the US Department of State. Learn more about the ITAR here: https://(Use the "Apply for this Job" box below)..

Rennscot MFG is an Equal Opportunity Employer; employment with Rennscot MFG is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.