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CNC Machinist I

Sierra Space
life insurance, paid time off, 401(k)
United States, Wisconsin, Middleton
Jul 07, 2025
Sierra Space Careers: Dare to Dream

We honor those that are not afraid to dream big dreams, those that tenaciously chase their dreams even when others say it cannot be done, those that achieve big dreams and change everything. Those are Dreams Worth Chasing.

At Sierra Space we envision a future where humanity lives and works in space, on moons, and on distant planets. Our mission isn't restricted to the few, instead we see a future where all people can choose to live, work, discover and explore beyond our planet. Our company is building a platform in space to benefit life on Earth and together we will alter the course of humanity.

We have a bold mission. We are a bold company. Together, we are an extraordinary team.

About the RoleThe CNC Machinist I will be responsible for operating manual and CNC machines and equipment. This entry-level role involves performing basic equipment setup and maintenance, using precision measurement tools, fabricating fixtures, and adhering to shop safety and best practices.

Key Responsibilities:

  • Operate and program CNC machines to produce high-precision aerospace components.

  • Perform basic equipment setup and maintenance activities.

  • Deburr and clean machined parts.

  • Use precision measurement tools to ensure components meet specified tolerances.

  • Adhere to established best shop practices, including PPE and shop safety requirements.

  • Follow 5S, FOD, and ESD awareness protocols.

  • Collaborate with team members to improve processes and achieve production goals.

  • Maintain accurate records of machining operations and part inspections.

  • Troubleshoot and resolve basic machining issues.

  • Support continuous improvement initiatives to enhance productivity and quality.

Minimum Qualifications:

  • Typically entry-level 0 - 2 years of experience.

  • Familiarity with general best shop practices including PPE and shop safety requirements.

  • Ability to perform basic equipment setup and maintenance activities and display general mechanical aptitude

  • and hand tool competency.

  • Able to use precision measurement tools and fabricate fixtures for flight and non-flight assemblies.

  • Ability to learn 5S, FOD and ESD awareness.

Preferred Qualifications:

  • Certification: Machinist certification or related certification.

  • Previous experience in a manufacturing or machining environment.

  • Familiar with CNC programming languages such as G-code and M-code.

  • Basic understanding of CAD/CAM software for designing and programming CNC operations.

  • Familiarity with multi-axis CNC machines and their operation.

  • Knowledge of material properties and machining characteristics of aerospace-grade alloys.

  • Ability to interpret technical drawings and blueprints.

  • Experience with precision measurement instruments such as micrometers, calipers.

  • Strong problem-solving skills and attention to detail.

  • Ability to work independently and as part of a team.

  • Good communication skills and a willingness to learn and adapt.

  • Experience with statistical process control (SPC) and other quality control methodologies.

  • Knowledge of lean manufacturing principles and practices.

  • Ability to perform minor machine repairs and adjustments.

  • Familiarity with shop floor data collection systems and software.

Additional Requirements:

  • Frequently walk, sit, stand, climb stairs and steps

  • Frequently repeat same hand, arm, and finger motion many times to include finger and hand dexterity

  • Frequently requires vision abilities to include close, distance, depth perception, and telling the difference between colors

  • Frequently requires hearing abilities to include discerning different tones and volumes

  • Frequently lifting or carrying up to 50 lbs.

Working Conditions:

  • Frequently exposed to outdoor elements (high/low temperatures, sun, rain/snow, etc.)

  • Occasionally exposed to fumes or hazardous chemicals/materials

  • Frequently exposed to loud noises

Safety Sensitive Position:

  • Responsible for the safety or security of people or property

  • Inspects structures, equipment or vehicles

  • Performs aviation related duties

  • Operate or supervise vehicles, heavy or dangerous equipment or machinery

IMPORTANT NOTICE:
To conform to U.S. Government international trade regulations, applicant must be a U.S. Citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State or U.S. Department of Commerce.

Elevate Your Career

At Sierra Space, we are committed to your personal and professional development. We empower you to make profound and meaningful contributions and foster a vibrant culture of collaboration, where teamwork ignites breakthrough innovations.

Sierra Space offers annual incentive pay based upon performance that is commensurate with the level of the position.

We also offer a generous benefit package, including medical, dental, and vision plans, 401(k) with 150% match up to 8%, life insurance, 3 weeks paid time off, and more.

At Sierra Space we are at the very doorstep of unlocking the future and the work in front of us is hard, but it is truly important and meaningful. Achieving our mission requires dedication, relentless pursuit of a dream and an unwavering passion for pushing the boundaries to accomplish what others might believe to be impossible. We seek those who too, Dare to Dream and will join us in a pursuit to achieve the extraordinary.

Application Deadline: This role will remain posted until a qualified pool of candidates is identified.

Please note: Sierra Space does not accept unsolicited resumes from contract agencies or search firms. Any unsolicited resumes submitted to our website or to Sierra Space team members not through our approved vendor list or Talent Acquisition will be considered property of Sierra Space, and we will not be obligated to pay any referral fees.

Sierra Space Corporationis an equal opportunity employer and is committed to working with and providing reasonable accommodations to applicants with disabilities. If you need special assistance or a reasonable accommodation related to applying for employment withSierra Spaceor at any stage of the recruitment process, pleasecontact us.

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