R&D Machinist (onsite)

Collins Aerospace; Pueblo (CO); On-site; USD 53,000 - 101,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

Three weeks of vacation

Generous 401(k) with matching funds

Tuition reimbursement

Job summary

Collins Aerospace is seeking a skilled CNC Machinist to operate and program 4-axis CNC milling machines, ensuring parts meet engineering drawings and GD&T specifications. You will interpret complex blueprints, prepare setups, select proper tooling, and maintain rigorous quality and safety records in a high-precision environment.

The role requires an AA/AS degree with 6+ years of relevant experience and the ability to obtain a DoD security clearance.

Qualifications

• AA/AS degree or equivalent post-high school training with at least 6 years of relevant experience.
• Ability to obtain a DoD security clearance.
• Proven experience operating and programming 4-axis CNC milling machines in high-precision engineering environments.
• Strong understanding of engineering drawings, GD&T.
• Excellent problem-solving skills with attention to detail and accuracy.
• Knowledge of aerospace industry standards is highly desirable.

Responsibilities

• Operate and set up 4-axis CNC milling machines to produce high-precision components per drawings and specs.
• Program, assemble, and operate CNC or manual machines and other specialized equipment.
• Interpret blueprints, orders, engineering plans, GD&T, and tolerances for material and dimensional requirements.
• Take material measurements and select appropriate machines for processes.
• Perform machining setups and adjustments as required.
• Keep records and maintain quality and safety standards.
• Complete purchasing and shipping tasks.
• Support laboratory testing and analysis as needed.
• Follow EH&S and Quality guidelines and standards; work overtime as needed.

Skills

CNC Milling

CNC Programming

GD&T

Engineering Drawings

Problem Solving

Teamwork

Education

AA/AS degree

Tools

Solidworks

Solidworks Cam

Job description

Location: US-CO-PUEBLO-050 ~ 50 William White Blvd ~ BLDG 50

Date Posted: 2026-10-19

Country: United States of America

Location: US-CO-PUEBLO-050 ~ 50 William White Blvd ~ BLDG 50

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 RTX, the world's 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.

What You Will Do:

• Operate and set up 4-axis CNC milling machines to produce high-precision components in line with engineering drawings and specifications.
• Produces machine parts by programming, assembling, and operating a computer numerical control (CNC) or manual machine (Lathes, Mills, Grinders, etc.) and other specialized machines.
• Interprets blueprints, work orders, engineering plans, specifications, reference planes, designs sketches and geometric dimensions and tolerances (GD&T) for operation, material, and dimensional requirements.
• Will take measurements of material and selects appropriate machines for the process.
• Performs machining setups and makes adjustments as required.
• Keeps records and maintains quality/safety standards.
• Complete purchasing and shipping tasks.
• Support laboratory testing and analysis as needed.
• Supports and follows all rules/guidelines/standards set by EHS and Quality
• Perform other duties as assigned including working extended shifts/overtime as required by the business.

Qualifications You Must Have:

• Typically requires an AA/AS degree (or other 2-year post high school training) with a minimum of 6 years of relevant experience.
• Ability to obtain a DoD security clearance.
• Proven experience in operating and programming 4-axis CNC milling machines, preferably in a high-precision engineering environment.
• Strong understanding of engineering drawings, geometric dimensioning, and tolerancing (GD&T).
• Excellent problem-solving skills with a focus on detail and accuracy.
• Knowledge of aerospace industry standards is highly desirable.
• Ability to work independently and as part of a team in a fast-paced environment.
• Strong commitment to EH&S and Quality standards.

Qualifications You Prefer:

• 6 years’ experience operating CNC machining centers.
• Ability to create 3D CAD models from 2D sketches using Solidworks Software.
• Proficient in generating milling and turning toolpaths using Solidworks Cam, with the ability to refine the CNC code.
• Able to select proper tooling for the part geometry being created and establishing capable work holding.
• Critical thinking- uses logic and reasoning to identify the strengths and weaknesses of alternative solutions, conclusions or approaches to problems.
• Demonstrates skill in executing specific goals and plans to prioritize organize and accomplish daily goals working at times with little or no supervision.
• Moderate proficiency of Microsoft Excel, Word, and PowerPoint.
• Working knowledge of manufacturing machines and tools, including their designs, uses, repair, and maintenance.
• Ability to effectively communicate with all levels of employees and management.

What We Offer:

Benefits:

• Medical, dental, and vision insurance
• Three weeks of vacation for newly hired employees
• Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option
• Tuition reimbursement program
• Student Loan Repayment Program
• Life insurance and disability coverage
• Optional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance,critical illnessinsurance, group legal, and ID theft protection
• Birth, adoption, parental leave benefits
• Autism Health, fertility, and family planning
• Adoption Assistance
• Autism BenefitEmployee Assistance Plan, including up to 10 free counseling sessions
• Healthy You Incentives, wellness rewards program
• Doctor on Demand, virtual doctor visits
• Bright Horizons, child and elder care services
• Teladoc Medical Experts, second opinion program
• And more!

Onsite

Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.

At Collins, the paths we pave together lead to limitless possibility. And the bonds we form – with our customers and with each other -- propel us all higher, again and again.

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.

The salary range for this role is 53,100 USD - 100,900 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.

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.

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