Entry Level Mechanical Engineer Jobs in Rialto, CA

At Senra Systems, we believe that the future of manufacturing lies not in automation, but in configuration.  

We supercharge electrical wire harness manufacturing through software configuration, transforming skilled assembly tasks into high-throughput production lines. We enable customers to design what they want, when they want it and deliver harness builds at record-breaking speed.

Senra Systems is seeking an entry-level Test Technician to join our production team. In this role, you will perform functional, electrical, and/or mechanical testing on manufactured components and assemblies to verify they meet engineering specifications, drawing requirements, and customer quality standards. This is an excellent opportunity for someone early in their manufacturing career to build hands-on experience in an aerospace production environment, working closely with technicians, quality, and engineering. 

What you'll own: 

• Perform testing and inspection of parts and assemblies per work instructions, test procedures, and customer specifications. 

• Set up and operate test equipment (e.g., multimeters, calipers, gauges, and test fixtures) to verify functional performance and dimensional conformance. 

• Read and interpret engineering drawings, blueprints, and GD&T callouts to determine pass/fail criteria. 

• Accurately record test data, results, and non-conformances in accordance with quality system requirements. 

• Identify and report defects, out-of-spec conditions, or process issues to supervisors and engineering. 

• Assist with maintaining and tracking calibration status of test equipment; flag equipment needing calibration or repair. 

• Provide on-the-floor support to production technicians as needed. 

• Follow all safety, quality, and 5S/housekeeping standards. 

• Maintain accurate documentation and traceability records in compliance with company and customer quality requirements. 

• Participate in continuous improvement efforts that support quality, safety, and throughput goals. 

What you'll bring to the team:

• High school diploma or GED required. 

• 1–3 years of experience in a manufacturing, testing, or quality environment (internships, trade school, or military technical training considered). 

• Ability to read and interpret basic blueprints, technical drawings, and work instructions. 

• Basic understanding of measurement tools (calipers, micrometers, gauges) preferred. 

• Comfortable using a computer for data entry and documentation. 

• Strong attention to detail and commitment to quality workmanship. 

• Good communication skills and the ability to work well within a team. 

• Willingness to learn new testing procedures, tools, and equipment. 

Bonus Points:

• Prior experience in aerospace, defense, or another regulated manufacturing environment. 
• Familiarity with basic electrical and/or mechanical test equipment. 

Compensation:  

• Compensation will be based on experience, qualifications, and other job-related factors.  
• Hourly Range: $24.00- $30.00 
• This is an onsite role at our facility in Cypress, CA.  

Benefits:  

• Unmatched opportunities to drive impact on a friendly and mission-driven team  
• Own a piece of the pie with equity participation!   
• Comprehensive medical, dental, vision, life and long-term disability coverage  
• Flexible Spending Account (FSA) and Dependent Spending Account (DSA) for health-related expenses  
• 20 vacation days per year and 12 company holidays for rest and relaxation
• a 401(k) plan to set yourself up for retirement
• Choose a record you love, and we'll add it to our growing vinyl collection!  
• $50/month DoorDash credit – lunch is on us!   
• Up to $100/month reimbursement for gym memberships   
• Fully stocked kitchen with snacks and beverages  
• Regular team-building events, lunches, and the occasional breakfast burrito!   
• Bright, open office with communal spaces for collaboration and free parking  
• Conveniently located near the metro, major freeways and local dining spots  

We are an equal opportunity employer and value diversity at our company. We do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. Contact us at jobs@senrasystems.us or visit our website https://senrasystems.us. 

ITAR REQUIREMENTS:

• To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here.