What are the responsibilities and job description for the CNC Machinist (1st Shift) position at Koch?
Your Job
As a CNC Machinist, you will produce high‑quality machined parts by setting up and operating CNC equipment while maintaining safety, quality, and productivity standards. This role plays a critical part in supporting manufacturing operations through precision machining, documentation, and continuous improvement.
Our Team
You will be part of a skilled machine shop team that works closely with engineering, quality, and manufacturing partners. The team focuses on precision, accountability, and collaboration to meet production commitments and quality expectations.
What You Will Do
Hiring Philosophy
All Koch companies value diversity of thought, perspectives, aptitudes, experiences, and backgrounds. We are Military Ready and Second Chance employers. Learn more about our hiring philosophy here.
Who We Are
With a strong legacy of engineering excellence, Smiths Interconnect, a Molex company, is part of Molex’s Aerospace & Defense Solutions Division and represents the Signal Technologies business unit. Smiths Interconnect delivers mission‑critical connectivity solutions—including ruggedized connectors, cable assemblies, Fiber & RF, and high‑reliability technologies—designed to perform in the most demanding environments. From aerospace and defense to space, medical, and industrial applications, our innovative products enable reliability where it matters most. Join a passionate, global team helping shape the future of high‑reliability interconnect solutions.
At Koch, employees are empowered to do what they do best to make life better. Learn how our business philosophy helps employees unleash their potential while creating value for themselves and the company.
Our Benefits
Our goal is for each employee, and their families, to live fulfilling and healthy lives. We provide essential resources and support to build and maintain physical, financial, and emotional strength - focusing on overall wellbeing so you can focus on what matters most. Our benefits plan includes - medical, dental, vision, flexible spending and health savings accounts, life insurance, ADD, disability, retirement, paid vacation/time off, educational assistance, and may also include infertility assistance, paid parental leave and adoption assistance. Specific eligibility criteria is set by the applicable Summary Plan Description, policy or guideline and benefits may vary by geographic region. If you have questions on what benefits apply to you, please speak to your recruiter.
Additionally, everyone has individual work and personal needs. We seek to enable the best work environment that helps you and the business work together to produce superior results.
Equal Opportunities
Equal Opportunity Employer, including disability and protected veteran status. Except where prohibited by state law, some offers of employment are conditioned upon successfully passing a drug test. This employer uses E-Verify. Please click here for additional information. (For Illinois E-Verify information click here, aquí, or tu).
As a CNC Machinist, you will produce high‑quality machined parts by setting up and operating CNC equipment while maintaining safety, quality, and productivity standards. This role plays a critical part in supporting manufacturing operations through precision machining, documentation, and continuous improvement.
Our Team
You will be part of a skilled machine shop team that works closely with engineering, quality, and manufacturing partners. The team focuses on precision, accountability, and collaboration to meet production commitments and quality expectations.
What You Will Do
- Set up and operate Fanuc and HAAS CNC milling centers using Mastercam software
- Interpret blueprints, sketches, drawings, specifications, and sample parts to determine dimensions, tolerances, and setup requirements
- Machine parts to close tolerances using appropriate gauges and inspection techniques
- Document setup and operation details for each job using written descriptions, sketches, and/or photos
- Perform manual machining and CNC operations as required
- Train and support junior operators and apprentices
- Maintain quality and safety standards while keeping accurate production records
- Perform additional duties as assigned to support shop and business needs
- 3–7 years of experience in manual machining and CNC setup and operation
- Experience using conversational programming on CNC machines
- Ability to read and comprehend complex machine and component drawings
- Proficiency in measuring and inspection techniques for tight tolerances
- Strong problem‑solving and analytical skills
- High attention to detail with the ability to work independently and with limited supervision
- Ability to speak, read, and understand English and follow verbal instructions
- Strong work ethic with a sense of urgency and commitment to teamwork
- Willingness to work overtime and weekends as required
- For U.S. roles: U.S. Citizen or Permanent Resident
- Proficiency with Mastercam software
- Experience training or mentoring other machinists or apprentices
- Strong documentation discipline and process awareness
- Demonstrated commitment to quality, safety, and continuous improvement
- Willingness to support multiple machining tasks and evolving production needs
Hiring Philosophy
All Koch companies value diversity of thought, perspectives, aptitudes, experiences, and backgrounds. We are Military Ready and Second Chance employers. Learn more about our hiring philosophy here.
Who We Are
With a strong legacy of engineering excellence, Smiths Interconnect, a Molex company, is part of Molex’s Aerospace & Defense Solutions Division and represents the Signal Technologies business unit. Smiths Interconnect delivers mission‑critical connectivity solutions—including ruggedized connectors, cable assemblies, Fiber & RF, and high‑reliability technologies—designed to perform in the most demanding environments. From aerospace and defense to space, medical, and industrial applications, our innovative products enable reliability where it matters most. Join a passionate, global team helping shape the future of high‑reliability interconnect solutions.
At Koch, employees are empowered to do what they do best to make life better. Learn how our business philosophy helps employees unleash their potential while creating value for themselves and the company.
Our Benefits
Our goal is for each employee, and their families, to live fulfilling and healthy lives. We provide essential resources and support to build and maintain physical, financial, and emotional strength - focusing on overall wellbeing so you can focus on what matters most. Our benefits plan includes - medical, dental, vision, flexible spending and health savings accounts, life insurance, ADD, disability, retirement, paid vacation/time off, educational assistance, and may also include infertility assistance, paid parental leave and adoption assistance. Specific eligibility criteria is set by the applicable Summary Plan Description, policy or guideline and benefits may vary by geographic region. If you have questions on what benefits apply to you, please speak to your recruiter.
Additionally, everyone has individual work and personal needs. We seek to enable the best work environment that helps you and the business work together to produce superior results.
Equal Opportunities
Equal Opportunity Employer, including disability and protected veteran status. Except where prohibited by state law, some offers of employment are conditioned upon successfully passing a drug test. This employer uses E-Verify. Please click here for additional information. (For Illinois E-Verify information click here, aquí, or tu).