CNC Programmer & Engineering Tech Support

Date Posted:

2026-08-04

Country:

United States of America

Location:

US-CA-EL SEGUNDO-E01 ~ 2000 E El Segundo Blvd ~ BLDG E01

Position Role Type:

Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements:

U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract.

Security Clearance Type:

None/Not Required

Security Clearance Status:

Not Required

At Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. Our team solves tough, meaningful problems that create a safer, more secure world. Raytheon’s  Systems Engineering and Test Capabilities in El Segundo, California is seeking an experienced Prototype CNC Programmer-Machinist for their in house Prototyping Machine Shop.  

This position will utilize communication and technical skills to create solutions that meet demanding engineering standards and tolerances in support of many RTX programs and businesses. This includes the application of lean methods, project engineering and machining principles. You will be instrumental in optimizing machining processes, driving continuous improvement and contributing to the successful alignment of program standards. If you are passionate about prototype machining and solving problems in a creative and collaborative environment, we want you to be part of the journey toward providing our customers with the engineered solutions that make them successful.

What You Will Do

• Develop CNC programs for: 1-off and short run prototype parts, work-holding and rework based off drawings, models or simple sketches

• Create setup sheets and job travelers for machinists to follow

• Prioritize and track jobs and their progress within the shop

• Support and work with machinists to determine best methods and process practice to produce successful parts or reworked parts that meet design requirements

• Provide feedback to engineers about drawings, producibility and develop solutions achievable within the abilities of the Shop

• Lead and train other machinists with general shop workflow, workload, and task scheduling

• Collaborate with in-house GD&T Inspection to validate parts against dwg requirements

• Become integrated into the machine shop team through collaborative communication, planning and execution

• Perform general shop upkeep, organization, cleanliness and planning

• Perform machining as needed to support shop workflow and scheduling

Qualifications You Must Have

• Typically requires an AA/AS degree (or other 2-year post high school training) with a minimum of 5 years relevant experience

• Minimum of 8 years CNC programming in a prototype environment

• Experience in creating machined parts and assemblies from engineering drawings or CAD models

• Experience in fixture, tooling and work holding design

• Experience as a Shop Lead or Lead Machinist

Qualifications We Prefer

• Experience using MasterCAM and 4th axis, in prototype environment, including programming waterjet cutter and laser cutter.

• Experience as a prototype machinist using all shop machines (CNC and conventional)

• Experience in cutting tool geometries including rake angles, relief angles, edge preparation, and their impact on surface finishes

• High proficiency in ASME Y14.5-2009  GD&T standards, specific to aerospace manufacturing.

• Knowledge and experience with machine maintenance, upkeep and servicing, specifically CNC machine centers and waterjet systems.

• Experience training and leading new employees.

• Autonomously produce a part from raw stock to finished product. (determining what processes, tools, setups, work holding to use)

• Experience in quick turn / agile methods and creative solutions to meet schedule.

• Experienced and in rework and repair of non-conforming parts of extremely high value or are irreplaceable.

• Proficiency in common office software tools,  job tracker tools, drawing databases

• Experience working on a team and enhancing the team environment.

What We Offer 

• Our values drive our actions, behaviors, and performance with a vision for a safe