CNC Lathe Machinist in San Diego, California at Harcon Precision Metals Inc

About Company:

Harcon Precision Metals supports its customers with state-of-the-art facilities and operations in San Diego, California. With over 60,000 sq. ft. of combined manufacturing facilities on over 3.8 acres, we have been recognized as a leading provider of quality products and services.

At the heart of Harcon Precision Metals operations is extensive in-house manufacturing capability built on a solid foundation of talent and equipment. Our proprietary systems and processes contribute to the design and fabrication of the finest precision products.

Designed for quality

Harcon Precision Metals's Design/Engineering department uses advanced technology to produce quality results. We work with SolidWorks, the recognized standard in three-dimensional modeling software to create and refine parts and products for manufacture. SolidWorks and other advanced design software and systems contribute to fast and highly accurate solutions.

Production Control

MIETrak, today's most advanced production control and job tracking software is used by leading manufacturers worldwide and has become the standard for excellence in manufacturing. Harcon Precision Metals uses MIETrak to set the pace and stay at the forefront of efficiency and cost control in our industry. This dynamic and comprehensive computer-based system provides control of virtually every operation, change, quote, order and inspection in our operation. This attention to detail contributes to our quality reputation.

Department: Machine Shop

Reports To: Machine Shop Supervisor

Employment Type: Full-Time, Non-Exempt

The CNC Lathe Machinist is responsible for setting up, operating, and maintaining CNC lathe equipment to produce precision components according to engineering drawings and customer specifications. This role ensures parts meet dimensional accuracy, quality standards, and production timelines while maintaining a safe and organized work environment.

• Set up and operate CNC lathes (including tooling, offsets, and workholding).
• Read and interpret blueprints, drawings, and GD&T requirements.
• Adjust machine controls, tool offsets, and cutting parameters to maintain part accuracy.
• Perform first-article inspections and verify dimensions throughout production runs.
• Change tooling, inserts, and fixtures as needed for different jobs.

• Use calipers, micrometers, height gauges, bore gauges, and other precision measuring tools.
• Inspect parts during and after machining to ensure compliance with tolerances.
• Identify and correct dimensional issues, tool wear, or machining inconsistencies.
• Document scrap, rework, and deviations according to company procedures.

• Run production jobs efficiently while minimizing downtime.
• Maintain accurate counts, completions, and scrap entries in MIE Track.
• Communicate with the Machine Shop Supervisor regarding job status, tooling needs, or machine issues.
• Support continuous workflow between machining, QC, assembly, and shipping.

• Perform basic machine maintenance (cleaning, lubrication, coolant checks).
• Report mechanical issues or needed repairs immediately.
• Follow all company safety rules, PPE requirements, and machine guarding procedures.
• Maintain a clean, organized work area.

• Suggest improvements to machining processes, tooling, or setups.
• Support training and cross‑training efforts within the machine shop.
• Participate in problem‑solving for quality or production challenges.

• 2+ years of CNC lathe machining experience in a manufacturing environment.
• Ability to read and interpret blueprints, GD&T, and technical drawings.
• Strong understanding of tooling, speeds/feeds, and machining principles.
• Experience with precision measuring instruments.
• Familiarity with MIE Track or similar ERP systems preferred.
• Ability to lift 30–50 lbs and stand for extended periods.
• Strong attention to detail, communication, and problem‑solving skills.

• Technical Machining Knowledge
• Accuracy & Attention to Detail
• Time Management
• Problem‑Solving
• Safety Awareness
• Team Collaboration
• Accountability

• Machine shop environment with exposure to CNC equipment, cutting tools, coolants, and moderate noise.
• PPE required (safety glasses, gloves, steel‑toe shoes, hearing protection when applicable).