we’re passionate about off-grid energy. Salpha Energy is a for profit social business and manufactures honest, reliable solar products designed to help people living off the electric grid.
Job Description
Salpha Energy is expanding its local manufacturing operations and is hiring a skilled
Mechanical Engineer to establish and run our in-house plastic housing line.
You’ll be responsible for setting up, optimizing, and scaling the injection molding process that produces durable enclosures.
You’ll work at the intersection of mechanical performance and electronic integration, ensuring Salpha’s products meet the highestquality and efficiency standards.
Responsibilities
Set up and manage injection molding machines and related tooling.
Optimize cycle times, material flow, and machine parameters for consistent part quality.
Troubleshoot molding defects (e.g., flash, short shots, warping, burns) and implement long-term fixes.
Supervise mold maintenance, cleaning, and repair scheduling.
Ensure product integration with electronic components (alignment, fit, cooling, cable access, etc.).
Ensure safe, efficient workflows.
Requirements
Bachelor’s Degree in Mechanical Engineering, Mechatronics, Polymer Engineering, or a related field.
Minimum of 7 years experience in injection molding, with proven success in high-volume plastic component production.
Strong knowledge of polymer behavior, particularly Polypropylene (PP), Polyethylene (PE), and other housing-grade resins.
Experience working with consumer electronics, small appliances, or energy products is highly preferred.
Familiarity with ISO, GMP, or similar manufacturing standards is an advantage.
Technical Skills:
Proficiency in injection machine setup, process validation, and root cause analysis.
Strong understanding of hot runner and cooling systems, mold design, and machine electricals.
Ability to document processes, analyze production data, and implement continuous improvement initiatives.
Soft Skills:
Excellent team coordination and leadership ability.
Sharp analytical mindset with a hands-on, solution-first attitude.
Strong communication skills for cross-functional collaboration with engineering, QA, and logistics teams.
