CNC Machinist V

About the Role

The CNC Machinist V will lead the operation, programming, and optimization of manual and CNC machines to manufacture high‑precision aerospace components.

• Operator, program, and optimize CNC machines for aerospace parts.
• Lead advanced equipment setup and routine maintenance.
• Use precision measurement tools to verify tight tolerances.
• Enforce shop safety, PPE, and best‑practice protocols.
• Develop, maintain, and continually improve 5S, FOD, and ESD processes.
• Document machining operations, part inspections, and performance metrics.
• Diagnose and resolve complex machining issues.
• Mentor and train entry‑level, mid‑level, and senior machinists and apprentices.
• Participate in root‑cause analysis and corrective action activities.
• Lead cross‑functional teams to implement process improvements and new technologies.
• Act as subject‑matter expert on machining operations and best practices.

• 12+ years of related machining experience.
• Machinist or equivalent certification.
• Expert knowledge of shop safety, PPE, and best practices.
• Experience leading advanced equipment setup and maintenance.
• Proficiency with precision measurement tools and fixture fabrication for flight and non‑flight assemblies.
• Demonstrated leadership of 5S, FOD, and ESD processes.

• Extensive manufacturing or machining experience.
• Proficient in CNC programming languages (G‑code, M‑code).
• Advanced CAD/CAM knowledge for design and programming.
• Familiarity with multi‑axis CNC machines.
• In‑depth knowledge of aerospace‑grade alloys.
• Ability to interpret complex drawings and blueprints.
• Experience with advanced precision measurement instruments.
• Strong problem‑solving and detail orientation.
• Independent work and team collaboration skills.
• Excellent communication and learning adaptability.
• Experience with statistical process control (SPC) and quality methodologies.
• Knowledge of lean manufacturing principles.
• Ability to perform complex machine repairs and adjustments.
• Familiarity with shop‑floor data collection systems.
• Proven training and mentoring experience.
• Leadership in cross‑functional team environments.
• Evaluation and recommendation of new machining technologies.
• Experience overseeing new machining process implementation.
• Subject‑matter expertise in machining operations.

Base pay range: $37.90 – $52.11 per hour. Final compensation is based on skills, experience, education, and market competitiveness.

• Medical, dental, and vision plans
• 401(k) with 150% match up to 6%
• Life insurance
• 3 weeks paid time off
• Additional benefits available

Sierra Space Corporation is an equal opportunity employer and is committed to working with and providing reasonable accommodations to applicants with disabilities. If you require assistance or a reasonable accommodation related to the application process, please contact Talent Acquisition.