CNC Machinist IV (Contractor)

Sierra Space Careers:

At Sierra Space, we build the missions and systems that keep our world secure in the domain above Earth.  

Sierra Space team members share a spirit of innovation and collaboration and a belief that we can deliver on the boldest missions in space today. Together with our customers, we aim to safeguard our nation, sustain human presence in space, and secure the freedom of operations in low Earth orbit and beyond.  

Our success is measured by the trust of those who rely on what we build and deliver, and our technologies keep the United States and its allies mission-ready throughout space.

We are mission-driven, and together, we are an extraordinary team.

About the RoleAs a CNC Machinist IV, you'll operate, program, and optimize machines to produce precision rocket engine components and space flight critical hardware supporting national security. Working with diverse materials, you'll collaborate directly with design engineers to bring cutting-edge space technology to life. This role requires advanced equipment expertise and strict adherence to safety standards. You'll lead improvement initiatives, mentor junior machinists, and provide technical leadership—directly contributing to humanity's next achievements in space exploration.About You

Our mission is driven by an unyielding commitment to advancing space-based technology in service of our customers and safeguarding national security. We seek individuals who are passionate about innovating beyond boundaries and relentlessly pursuing solutions that protect, preserve and empower – to join us in this critical mission.  

We’re looking for team members who align with our values, mission and goals – while also meeting the minimum qualifications below. The preferred qualifications are a bonus, not a requirement.

Key Responsibilities:

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

• Perform advanced equipment setup and maintenance activities.

• Deburr and clean machined parts.

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

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

• Follow all 5S, FOD, and ESD process protocols.

• Collaborate with team members to improve processes and achieve production goals. Develop and optimize CNC programs for complex parts and assemblies.

• Maintain accurate records of machining operations and part inspections.

• Troubleshoot and resolve complex machining issues.

• Participate in root cause analysis and corrective action activities.

• Ensure compliance with quality standards and regulatory requirements.

• Lead and participate in cross-functional teams to drive process improvements.

• Provide technical leadership and expertise within the machining team.

• Evaluate and recommend new machining technologies and equipment

Minimum Qualifications:

• Typically 8+ years of related experience.

• Expert knowledge of best shop practices including PPE and shop safety requirements.

• Experience performing advanced equipment setup and maintenance activities, and display expert mechanical aptitude, shop tool, and hand tool competency.

• Proficient in the use of precision measurement tools and fabricating fixtures for flight and non-flight assemblies.

• Ability to lead and enforce 5S, FOD and ESD process.

Preferred Qualifications:

• Ability to interpret complex technical drawings and blueprints.

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

• Certification: Machinist certification or related certification.

• Extensive experience in a manufacturing or machining environment.

• Proficient in CNC programming languages such as G-code and M-code.

• Understanding of advanced machining techniques, including high-speed machining and hard milling.

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

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

• In-depth knowledge of material properties and machining characteristics of aerospace-grade alloys.

• Strong problem-solving skills and attention to detail.

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

• Excellent 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 complex machine repairs and adjustments.

• Familiarity with shop floor data collection systems and software.

• Proven experience in training and mentoring junior machinists.

• Leadership skills and the ability to lead cross-functional teams.

• Ability to evaluate and recommend new machining technologies and equipment.

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 is an industry-leading space and defense technology company providing satellites, spacecraft, and enabling mission systems and components. We deliver mission-proven technologies to our customers that safeguard our nation, protect space-based assets and enable space exploration.

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

Sierra Space Corporation is 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 with Sierra Space or at any stage of the recruitment process, please contact us.