CNC Manufacturing Engineer
Confirmed on the employer's own hiring board on Nov 11, 2026. First seen by Alion on Nov 11, 2026. Air Liquide scores B on the Alion truth index.
Location:
Santa Ana, CA - Carnegie Av - Manufacturing - AL TurboAir Liquide Global E&C Solutions is a technology partner of choice for the design, engineering and construction of leading-edge processing facilities and related infrastructures worldwide. We enable our customers to optimize the use of the planet's natural resources in order to provide clean and sustainable energy thanks to our people and their capability to innovate constantly. Through cutting edge innovation applied to our proprietary technology we contribute to the transformation of the energy industry and help to preserve & protect the atmosphere of our planet. Looking back on decades of operational expertise within the world leader in gases for industry, health and the environment, we develop creative, safe, reliable and competitive solutions for our customers, proposing a sustainable worldwide offer of best-in-class plants in a dynamically changing marketplace.
Air Liquide’s ambition is to be a leader in its industry, deliver long term performance and contribute to sustainability - with a strong commitment to climate change and energy transition at the heart of its strategy.
How will you CONTRIBUTE and GROW?
We are committed to building a diverse and inclusive workplace that embraces the unique perspectives of our employees, our customers, patients, community stakeholders, and cultures across the world. We believe that a variety of backgrounds makes our team stronger and more innovative.At Air Liquide we RESPECT, HONOR and VALUE diversity.
Air Liquide is hiring for a CNC Manufacturing Engineer in Santa Ana, CA.
We are looking for you!
Comprehensive Family Benefits:Air Liquide offers a full benefits package designed to support your whole life, including Medical, Dental, Vision, Life, AD&D, and Disability Insurance.
Future Security: 401(k) Retirement Plan with company match, Tuition Assistance, Paid Holidays, Vacation, and Sick time.
The CNC Manufacturing Engineer is responsible for developing, optimizing, and maintaining the CNC machining processes and operations (including 5-axis milling, turning) within the production of turboexpanders. They are responsible for staying apprised of best practices in the CNC machining industry to reduce production costs and find more effective methods for producing Turbo's products, while maintaining or improving desired quality for customers. Working closely with design engineers, production, and quality teams, the CNC Manufacturing Engineer leads CAD/CAM programming, fixture and tooling development, machine process optimization, and troubleshooting of complex CNC machinery.
Job Responsibilities:
- CNC Programming & Process Optimization
- Develop, optimize, and prove out CNC programs (G-code, CAD/CAM software) for multi-axis milling, turning, or mill-turn centers.
- Establish detailed manufacturing routings, setups, and operation sheets to optimize cycle times and material usage.
- Select, configure, and manage cutting tools, fixtures, and workholding solutions tailored to each production run.
- Conduct detailed analyses of CNC manufacturing operations for continuous process improvement, cycle time reduction, and fallout minimization
- Create, update, and maintain manufacturing Standard Operating Procedures (SOPs), tool setup sheets, and CNC program documentation
- Train and mentor CNC machinists, operators, and junior engineers, providing technical support to other departments
Technical Quality & Precision Control
- Develop and implement custom fixtures, workholding, and specialized cutting tools to ensure efficient production and adherence to tight tolerances
- Interpret complex technical drawings, including advanced GD&T (Geometric Dimensioning and Tolerancing), to ensure parts meet strict design specifications.
- Collaborate to define in-process inspection and quality control methods using standard metrology equipment (calipers, micrometers, CMM, etc.).
- Identify, troubleshoot, and resolve dimensional deviations or machining defects on the shop floor.
- Collaborate with design engineers, offering feedback on Design for Manufacturability (DFM), cost reduction, and quality/safety enhancements.
Production Engineering & Industrialization
- Apply production engineering principles to improve overall workshop productivity, reduce waste, and streamline workflows (Lean Manufacturing, 5S).
- Participate in the industrialization of new products (NPI), collaborating with Design Engineering to ensure Design for Manufacturing (DFM).
- Standardize machining processes and maintain accurate technical documentation.
- Comprehend in-house and vendor manufacturing capabilities to establish the Bill of Operations (BOO) for all parts
Machine Tool Maintenance & Support
- Develop, optimize, and maintain CNC machining programs and operations, including 5-axis milling and CNC lathes and mill turns.
- Provide technical support for preventive and corrective maintenance of CNC machine tools to minimize downtime.
- Diagnose mechanical, electrical, or software malfunctions in collaboration with the maintenance team or external suppliers.
- Monitor machine performance indicators and contribute to upgrading or commissioning new manufacturing equipment.
- Coordinate maintenance, repair, and calibration services for CNC machinery to keep equipment in safe working condition
- Evaluate and recommend emerging CNC equipment, cutting tools, and manufacturing technologies to enhance productivity and quality
- Ensure compliance with safety regulations, ISO standards, and company policies, actively promoting 5S and a safe working environment
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Are you a MATCH?
Required Qualifications:
- Bachelor's degree in Mechanical or Industrial Engineering preferred.
- Candidates must have valid employment authorization in the U.S. and must not require visa sponsorship now or in the future. This position is not open for non-immigrant visa sponsorship.
- Minimum of 2-5 years of relevant manufacturing engineering experience in a high-precision CNC environment
- Extensive hands-on experience with CNC machining, 5-axis milling, turning, grinding, and balancing processes
- Proficient with SolidWorks or other 3D CAD software, and CAD/CAM programming systems (SolidWorks, Mastercam, Hypermill, AutoCAD) to determine cost-effective and time-efficient part production methods
- Expertise in reading, understanding, and interpreting complex engineering drawings, including ANSI Y14.5 GD&T
- Proficient with SAP (Routing and Production Versions in Material Master Record)
- Knowledge of AWS and ASME Section IX standards
- Strong ability to analyze workflow, equipment placement, and space requirements to improve manufacturing efficiency
- Proficient with Google Workspace / MS Office tools
The annual base salary range for this position in California is $100,000 - $125,000. Please note that the salary information is a general guideline only. Air Liquide considers factors such as (but not limited to) scope and responsibilities of the position, candidate’s work experience, education/ training, key skills as well as market and business considerations when extending an offer.
Benefits offered: Medical, Dental, Vision, Life Insurance, Short-Term Disability, Long-Term Disability, 401(k) match, Flexible Spending Accounts, EAP, Education Assistance, Parental Leave, Paid time off, and Holidays.
Our Differences make our Performance
At Air Liquide, we are committed to build a diverse and inclusive workplace that embraces the diversity of our employees, our customers, patients, community stakeholders and cultures across the world.
We welcome and consider applications from all qualified applicants, regardless of their background. We strongly believe a diverse organization opens up opportunities for people to express their talent, both individually and collectively and it helps foster our ability to innovate by living our fundamentals, acting for our success and creating an engaging environment in a changing world.