Prototype Engineer

South Bay Solutions; Fremont (CA); On-site; USD 60,000 - 100,000; Full time

Job summary

An established industry player is seeking a Manufacturing Specialist to enhance machining processes and drive efficiency in a dynamic production environment. The ideal candidate will leverage extensive CNC machining expertise alongside lean manufacturing principles to tackle production challenges head-on. This role involves programming and troubleshooting CNC machines, collaborating with cross-functional teams, and leading continuous improvement initiatives. Join a forward-thinking company that values innovation and offers comprehensive benefits, including 100% covered medical and dental insurance, paid vacations, and a supportive work culture.

Benefits

100% covered Medical Insurance

100% covered Dental Insurance

Affordable Vision plan

Paid Vacations

Paid Holidays

Paid Sick Leave

401K

Other benefits

Qualifications

• 5+ years of hands-on experience in machining and CNC programming.
• Strong knowledge of lean manufacturing and quality control practices.

Responsibilities

• Optimize machining processes and troubleshoot production challenges.
• Lead continuous improvement initiatives using Lean and Six Sigma.

Skills

CNC Programming

MasterCAM

Lean Manufacturing

Geometric Dimensioning and Tolerancing (GD&T)

Inspection Methods

Problem-solving

Communication Skills

Education

5+ years of experience in machining

Strong knowledge of CNC setup

Tools

Fanuc Controls

Haas Controls

CMM

ERP/MRP systems

Job description

Job Description

Manufacturing Specialist’s role will focus on optimizing machining processes, troubleshooting production challenges, and improving efficiency in a high-mix, low-to-medium-volume manufacturing setting. The ideal candidate has extensive hands-on experience with CNC machining, tooling, and process optimization, along with a strong understanding of lean manufacturing principles.

Required Skills

· Knowledgeable in creating and editing CNC Programs for Vertical Machining Centers(with 4th Axis or Trunnion) with the use of MasterCAM software. Horizontal Machining Centers and 5 axis machines is preferable.

· Knowledgeable in Setup and production of CNC machine with Fanuc and Haas Controls: 5-axis machining, 4-axis machining: Horizontal machining center, indexer; Vertical machining centers, lathe, or high-precision components

· Proficient in print reading.

· Must have good knowledge of Geometric Dimensioning and Tolerancing (GD&T) for English and Metric system.

· Must have good knowledge of ASME Y14.5.

· Knowledgeable in various methods of inspection to perform quality checks on the parts and quality control practices.

· Must be detail oriented.

· Able to work quickly and efficiently without the need of supervision.

Responsibilities

• Provide hands-on technical expertise in machining, fabrication, and assembly processes to ensure efficient production.
• Program, set up, and troubleshoot CNC machines, lathes, mills, and other precision machining equipment to improve cycle times and product quality.
• Develop and optimize machining processes to increase productivity, reduce costs, and improve repeatability.
• Work closely with operators, machinists, and engineers to resolve technical challenges and enhance manufacturability.
• Assist in the design, selection, and maintenance of cutting tools, fixtures, and workholding solutions to improve machining efficiency.
• Lead continuous improvement initiatives using Lean, Six Sigma, and other methodologies to minimize waste and maximize output.
• Collaborate with customers, engineering, and production teams to ensure seamless project execution and meet quality expectations.
• Conduct root cause analysis and implement corrective actions for quality issues and process inefficiencies.
• Train and mentor machinists, technicians, and junior engineers on best practices in machining and manufacturing.
• Ensure compliance with safety regulations, quality standards (ISO 9001, AS9100, etc.), and customer requirements.
• Support new product introduction (NPI) and work with engineering teams to transition prototypes into full-scale production.

Education / Experience / Qualifications

• 5+ years of hands-on experience in a machine shop, contract manufacturing, or precision machining environment.
• Strong knowledge of CNC programming (G-code, CAM software like Mastercam, Fusion 360) and machine setup.
• High competence in reading and interpreting Inspection Results. Deep knowledge of CMM operation and CMM programming is a plus.
• Experience with tooling selection, fixture design, and machining process optimization.
• Proficiency in reading and interpreting blueprints, GD&T, and engineering drawings.
• Strong understanding of materials (metals, plastics) and machining techniques for different applications.
• Familiarity with ERP/MRP systems for job tracking and production planning.
• Experience with Lean Manufacturing, 5S, Kaizen, and other continuous improvement methodologies.
• Excellent problem-solving skills and ability to work independently in a fast-paced environment.
• Strong communication skills and ability to work with cross-functional teams.

Shift : Day

Compensation is based on skills and experience. We offer 100% covered Medical & Dental Insurance, a very affordable Vision plan, Paid Vacations, Paid Holidays, Paid Sick Leave, 401K and other benefits.