Part Time Machine Operator Jobs in California (NOW HIRING)

Requisition Number: 28604
Required Travel: 0 - 10%
Employment Type: Part Time/Hourly/Non-Exempt
Anticipated Salary Range: $54,126.00 - $85,000.00
Security Clearance: None
Level of Experience: Mid
This opportunity resides with Global Security (GS). Mission Technologies' Global Security (GS) group comprises live, virtual, constructive (LVC) solutions; fleet sustainment; nuclear and environmental; and Australia business.
As a trusted partner to our military customers, HII designs, develops and operates the largest LVC enterprise that prepares warfighters for cross-domain battle. With advanced technologies to enable mission readiness, HII understands that preparation requires full coordination-not readiness in piece-parts.
For more than 40 years, the U.S. Navy has entrusted HII to maintain and modernize the vast majority of its fleet. With a holistic approach to life-cycle maritime defense systems-from small watercraft to submarines, surface combatants and aircraft carriers-HII ensures a high state of readiness.
HII supports the Department of Energy's national security mission through the management and operation of its sites, as well as the safe cleanup of legacy waste across the country. HII meets clients' toughest nuclear and environmental challenges.
Leadership Mindset at HII - Mission Technologies
Leadership at HII is a mindset, not a title. Through our Leadership Capability Framework, we define how every team member contributes to our mission and culture:

• Know & Grow Your People - Commit to learning and supporting team success.
• Build Relationships - Communicate openly, collaborate well, and build trust.
• Take Ownership - Deliver on commitments and take pride in your work.
• Customer First - Focus on the mission and those we serve.
• Shape the Future - Bring ideas, curiosity, and continuous improvement.
• Act with Urgency - Take initiative and follow through with purpose.

These capabilities guide how all employees contribute to our shared success across Mission Technologies.
Summary
HII Mission Technologies is currently seeking a highly skilled and experienced Machinist to join our advanced fabrication team on a part time, on call basis. This role is ideal for a machining professional who enjoys mentoring others while supporting a variety of research, prototyping, and fabrication projects. Work hours will vary based on project timelines, training needs, and equipment support requirements.
What You Will Do
• Deliver hands-on training for lab staff and research personnel on CAD/CAM software, CNC machining best practices, and waterjet cutting operations.
• Develop training materials, demonstrations, and exercises to strengthen team technical capabilities.
• Set up, program, operate, and maintain CNC mills/lathes and waterjet cutting equipment to support precision part fabrication and prototyping.
• Troubleshoot and resolve issues involving machining equipment, air systems, mechanical components, and related lab infrastructure.
• Perform preventative maintenance and repairs to minimize downtime and ensure equipment reliability.
• Provide basic to intermediate electrical support related to machinery, including wiring, controls, and sensors.
• Collaborate with research and engineering teams on custom fabrication for Navy partners and project efforts such as CRADA, SBIR, and ANTX-CT.
• Offer technical guidance related to machining processes, material selection, and design-for-manufacturability.
• Promote and enforce safe operating procedures, PPE use, and compliance with lab and industry safety standards.
• Maintain accurate documentation of training, maintenance, troubleshooting, and project support.
• Submit monthly status reports to management.
What You Must Have
• Associates Degree or other 2 year technical degree in related discipline and 3 years experience; or High School Diploma or equivalent and 5 years related (DoD/USN) experience.
• 10+ years of professional experience as a Machinist, CNC operator/programmer, or similar role.
• Strong proficiency in CAD/CAM software such as Fusion, SolidWorks, Mastercam, or equivalent.
• Hands-on expertise with CNC mills/lathes and waterjet cutting systems.
• Strong mechanical, pneumatic, and electrical troubleshooting capabilities.
• Ability to read and interpret blueprints, technical drawings, and schematics.
• Excellent communication skills with a passion for teaching and mentoring users at all skill levels.
• Commitment to safety and best practices in a lab or workshop environment.
• Availability for on-call support during business hours or as needed for project demands.
Preferred Requirements
• Certifications in machining, CNC programming, or related technical fields.
• Experience in research, prototyping, or educational lab environments.
• Familiarity with metals, plastics, composites, and other fabrication materials.
• Experience with basic to intermediate electrical troubleshooting and repairs.
Physical Requirements
Job performance requires adequate visual acuity and manual dexterity for meeting the requirements of the job. A waterfront office work environment is normally encountered.
The listed salary range for this role is intended as a good faith estimate based on the role's location, expectations, and responsibilities. When extending an offer, HII's Mission Technologies division takes a variety of factors into consideration which include, but are not limited to, the role's function and a candidate's education or training, work experience, and key skills.
Meet HII's Mission Technologies Division
Our team of more than 7,000 professionals worldwide delivers all-domain expertise and advanced technologies in service of mission partners across the globe. Mission Technologies is leading the next evolution of national defense - the data evolution - by accelerating a breadth of national security solutions for government and commercial customers. Our capabilities range from C5ISR, AI and Big Data, cyber operations and synthetic training environments to fleet sustainment, environmental remediation and the largest family of unmanned underwater vehicles in every class. Find the role that's right for you. Apply today. We look forward to meeting you.
To learn more about Mission Technologies, click here for a short video: https://vimeo.com/732533072
HII is more than a job - it's an opportunity to build a new future. We offer competitive benefits such as best-in-class medical, dental and vision plan choices; wellness resources; employee assistance programs; Savings Plan Options (401(k)); financial planning tools, life insurance; employee discounts; paid holidays and paid time off; tuition reimbursement; as well as early childhood and post-secondary education scholarships. Bonus/other non-recurrent compensation is occasionally offered for qualified positions, and if applicable to this role will be addressed by the recruiter at the screening phase of application.
Why HII
We build the world's most powerful, survivable naval ships and defense technology solutions that safeguard our seas, sky, land, space and cyber. Our workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals.
Recognized as one of America's top large company employers, we are a values and ethics driven organization that puts people's safety and well-being first. Regardless of your role or where you serve, at HII, you'll find a supportive and welcoming environment, competitive benefits, and valuable educational and training programs for continual career growth at every stage of your career.
Together we are working to ensure a future where everyone can be free and thrive.
All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, physical or mental disability, age, or veteran status or any other basis protected by federal, state, or local law.
Do You Need Assistance?
If you need a reasonable accommodation for any part of the employment process, please send an e-mail to buildyourcareer@hii-co.com and let us know the nature of your request and your contact information. Reasonable accommodations are considered on a case-by-case basis. Please note that only those inquiries concerning a request for reasonable accommodation will be responded to from this email address. Additionally, you may also call 1-844-849-8463 for assistance. Press #3 for HII Mission Technologies.