CNC Machinist (Onsite)

Prattwhitney; Chula Vista (CA); On-site; USD 52,000 - 78,000; Full time

Benefits offered by this job

Medical, dental, vision benefits

Retirement plan with company match

Paid time off and holidays

Job summary

Collins Aerospace, part of RTX, seeks a CNC Machinist to operate and program CNC VMC equipment in Chula Vista, CA. You will read blueprints and CMMs, set up machines, and produce tooling and production parts to exact tolerances.

You will work a day shift in an onsite role, with responsibilities including maintaining tool paths, setup, and collaboration to ensure quality and efficiency in a regulated aerospace shop.

Qualifications

• AA/AS degree or 2-year post high school training with 4+ years of machining experience, or HS diploma/GED with 6+ years of experience.

Responsibilities

• Plan the sequence of progressive operations from blueprints, sketches and routing.
• Determine operation sequences to minimize machining on CNC VMC.
• Set up VMC and secure work, adjust tooling and aids.
• Determine tools, dimensions, tolerances, and feeds for efficient machining.
• May perform cutter preset tasks as required.
• Operate CNC VMC, drills, lathes and mills to produce parts.
• Keep work area clean and collaborate with others.

Skills

Blueprint reading

CNC VMC setup

G-code programming

Tooling & fixturing

Metals knowledge

Education

AA/AS degree or 2-year post high school training

HS diploma, GED + 6 years experience

Tools

CNC VMC

CAM software

G-Code programming

Job description

Date Posted: 2026-09-18 Country: United States of America Location: US-CA-CHULA VISTA-B107 ~ 850 Lagoon Dr ~ BLDG 107, Mail Zone 1-C Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: This job requires a U.S. Person. A U.S. Person is a lawful permanent resident as defined in 8 U.S.C. 1101(a)(20) or who is a protected individual as defined by 8 U.S.C. 1324b(a)(3). U.S. citizens, U.S. nationals, U.S. permanent residents, or individuals granted refugee or asylee status in the U.S. are considered U.S. persons. For a complete definition of “U.S. Person” go here. https://www.ecfr.gov/current/title-22/chapter-I/subchapter-M/part-120/subpart-C/section-120.62 Security Clearance Type: None/Not Required Security Clearance Status: Not Required Collins Aerospace is seeking a CNC Machinist for our Chula Vista, CA location. At RTX, the world largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. Collins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defense.

This position works in a primarily onsite capacity at Chula Vista, CA and will be part of the IAM Local 755. Work hours will be Monday - Friday, Day-Time Shift – 6:30AM – 3:00PM PST

What You Will Do

• Plans the sequence of progressive operations by working from blueprints, sketches and routing.
• Determines sequence of operations to minimize amount of machining on CNC VMC
• Sets up VMC to perform any operation within its capability by positioning, aligning and securing work, improvising and adapting existing tooling and other machining aids
• Determines operations to be performed, dimensions and tolerances, cutting tools to be used to minimize required machining operations
• May perform cutter preset tasks as required
• Determines, sets and adjust feeds, speeds, depths, stops, and performs minor oiling as necessary
• May use pneumatic tools to perform basic surface grinding
• Grinds tools, drill bits and special purpose tools
• Sets up and operates conventional and numerically controlled machines, such as but not limited to drill press, manual lathe, manual milling machine and CNC VMC to completely and independently produce tooling, maintenance, developmental and production parts
• Lays out all lines necessary to ascertain machineability and subsequently all lines required to complete machining of production, tooling and developmental specifications
• Installs special bushings, inserts, etc. as required
• Performs identification
• Uses overhead crane in conjunction with the work described herein
• Maintain good shop practice and clean workstation/environment
• Uses experience and knowledge to assist other operators

Qualifications You Must Have

• AA/AS degree (or other 2-year post high school training) with a minimum of 4 years of relevant machining experience OR HS diploma, GED and 6 years of relevant experience is required
• Ability to read and interpret blueprints, schematics, Component Maintenance Manuals (CMMs) and specifications
• Experience with setup and programming of CNC VMC
• Experience working with aerospace grade alloys such as Inconel and Titanium

Qualifications We Prefer

• Experience as a CNC setup machinist (ideally on VMC style machines)
• Tool and Die maker experience
• Proficient in manual G-Code programming and CAM software, certifications are a plus
• Experience with precision machining setup and fixturing
• Experience with precision boring/reaming applications
• Experience in an FAA/DCMA regulated machine shop environment
• Must be able to apply a thorough knowledge of metals (including metallurgical and heat treat characteristics), synthetic materials, hand and power tools, precision measuring instruments, and machinery (mills. Lathes, grinders, etc.), use shop mathematics and trigonometry
• Maintain environmental standards and documentation in compliance with regulations and procedural guidelines
• Participates in tool design methodology for simplification, economy and practicality of function

What We Offer

• Excellent pay Benefits including Medical, Dental and Vision Insurance all available on Day 1 Retirement Program with a Company Match And much more

Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement. Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance. This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.

RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

Privacy Policy and Terms: Click on this link to read the Policy and Terms RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses – Collins Aerospace, Pratt & Whitney, and Raytheon. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.