Prototype Programmer

Job Description

Job Description

**Sophisticated Prototype Parts | Company Growth | Equity Ownership Potential **

Location: El Segundo, CA

Founded in 2021, this well-funded startup is making waves at the intersection of aerospace and pharmaceuticals. From supporting space missions to developing advanced manufacturing solutions, they are committed to pushing the boundaries of innovation. Not to mention, they throw quarterly celebrations when missions are completed at their on site Tiki Hut, showcasing their commitment to their work and fantastic team culture.

About the Role

We are seeking a **Prototype Programmer and Machinist **to contribute to the success of a growing machine shop. In this role, you’ll be primarily focused on programming one-off, highly complex parts (80% programming), while also handling setup and operation of 3-5 axis mills and CNC lathes. If you’re a hands-on individual who enjoys seeing parts through from concept to completion, this is your chance to work on truly unique projects in a fast-moving, tech-forward environment.

What You’ll Do:

• Program 3 axis mills, 5 axis mills, or lathe CNC machines on MasterCAM or HSMWorks
• Set up and operate machines to make sophisticated 1 off parts
• Contribute to the success of the business, and yourself!

Schedule:

• 1st Shift with flexible working hours, most starting at 6 AM
• No shortage of optional overtime with a focus on work-life balance

Benefits:

This truly robust benefits package, including:

• PTO

• Medical & Dental Insurance, with plans offering up to 100% employer coverage

• 401(k) with company contributions

• State-of-the-art facility with the latest equipment and technology

• Catered lunches and snacks

• Quarterly celebrations and company events

• Equity ownership opportunities as the company grows

Responsibilities:

• Program CNC machines (3-axis, 5-axis mills, and lathes) for one-off and short-run prototype parts using MasterCAM or HSMWorks

• Collaborate with engineering and design teams to review technical drawings, provide manufacturability feedback, and ensure design intent is achieved

• Set up and operate CNC machines, selecting appropriate tools, fixtures, and materials for each job

• Perform in-process inspections using precision measuring tools to ensure quality and tight tolerances

• Troubleshoot and optimize programs and setups for improved efficiency and part quality

• Maintain accurate documentation, including setup sheets, tooling lists, and job traveler updates

• Support continuous improvement efforts by contributing ideas to enhance machining strategies, tooling, and workflow

• Take ownership of your projects from cradle to grave — from programming to final inspection

Qualifications:

• 3+ years of experience as a CNC Programmer and/or Machinist, ideally in a prototype or R&D environment

• Proficiency with CAM software such as MasterCAM, HSMWorks, or similar

• Strong knowledge of 3-axis and 5-axis CNC milling, and/or lathe programming

• Hands-on experience with machine setup, tooling selection, and operation

• Ability to read and interpret engineering drawings, GD&T, and technical documentation

• Familiarity with precision measurement tools (micrometers, calipers, indicators, etc.)

• Comfortable taking parts from concept to finished product independently

• Strong attention to detail and commitment to producing high-quality work

We are committed to creating a diverse environment and is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.

“In accordance with California law, the expected salary range for this California position is between $45/hr and $55+/hr. The actual compensation will be determined based on experience and other factors permitted by law.”

You should be proficient in:

• CAD/CAM Software

Machines & technologies you'll use:

• CNC Mill (3-4 axis VMC)
• CNC Lathe (2-4 axis)
• CAM Software (Mastercam, HSM Works)
• CNC Mill (5+ axis VMC)