Laboratory Supervisor

Empresa Confidencial; Osasco; On-site; BRL 90,000 - 150,000; Full time

Benefits offered by this job

Competitive compensation

Competitive benefits package

Growth opportunities

Job summary

Empresa Confidencial is seeking a Lab Supervisor to lead laboratory operations for inverter repair activities. The role reports to the Technical Support Coordinator and focuses on directing the lab team, prioritizing repairs, and ensuring safety, quality, and accurate documentation.

You will supervise inverter diagnosis, testing, and final inspection, drive continuous improvement of repair processes, coordinate with service teams and HQ, and provide technical support to customers and partners.

Qualifications

• Degree in Electrical Engineering, Electronics, Mechatronics, or a related field.
• Intermediate or higher English proficiency.
• Spanish proficiency is a plus.
• Previous experience in the solar energy industry is required.
• Strong technical problem-solving and analytical skills.
• Self-motivated and proactive, with strong initiative and communication skills.
• System- and product-level mindset; ability to understand issues from a broader perspective.
• Highly organized and detail-oriented; proactive in responsibilities.
• Strong technical support and customer-service orientation.

Responsibilities

• Lead and develop the laboratory team, coordinating daily activities, workload, performance and technical development.
• Manage repair workflow, priorities, and turnaround times, identifying bottlenecks.
• Supervise inverter diagnosis, repair, testing and final inspection with root-cause analysis.
• Ensure repair quality, compliance and traceability to procedures and safety standards.
• Manage CRM cases and Sungrow service platforms with documentation and follow-up.
• Prepare, review and sign technical reports with accurate records.
• Provide technical and customer support via phone, WhatsApp, and email.
• Collaborate with Technical Support and HQ on recurring failures and improvements.
• Drive continuous improvement and standardization of laboratory processes.
• Monitor laboratory resources and report on performance and utilization.

Skills

Lead laboratory team

Repair workflow management

Technical support

Customer service

Problem-solving

Communication skills

Team leadership

Education

Electrical Engineering

Electronics

Mechatronics

Related field

Solar energy industry experience

English proficiency (intermediate+)

Spanish proficiency (plus)

Tools

CRM systems

Sungrow service platforms

Microsoft Office Suite

Test equipment & hand tools

Job description

A leading company in the solar energy sector is seeking a Lab Supervisor to lead laboratory operations and inverter repair activities. Reporting to the Technical Support Coordinator, the position is responsible for leading the laboratory team, managing repair priorities and turnaround time, and ensuring technical, quality, and safety standards.

The Lab Supervisor will also support customers and partners, coordinate with service teams and Headquarters, oversee equipment failure analysis, and drive continuous improvement of laboratory repair processes.

Main Activities and Responsibilities:

• Lead and develop the laboratory team, coordinating daily activities, workload, performance, and technical development.
• Manage repair workflow, priorities, and turnaround times, identifying bottlenecks and driving productivity and efficiency improvements.
• Supervise inverter diagnosis, repair, testing, and final inspection, including root-cause analysis and component replacement.
• Ensure repair quality, compliance, and traceability according to technical procedures, quality standards, and H&S requirements.
• Manage CRM cases and Sungrow service platforms, ensuring accurate documentation, follow-up, parts consumption, and status updates.
• Prepare, review, and sign technical reports, ensuring accurate records of diagnoses, repairs, test results, and equipment condition.
• Provide technical and customer support through phone, WhatsApp, and email, including escalation and follow-up of complex cases.
• Collaborate with Technical Support and HQ on recurring failures, root-cause analysis, corrective actions, and technical improvements.
• Drive continuous improvement and standardization of laboratory processes, procedures, tools, and repair methodologies.
• Monitor laboratory resources, including spare parts, tools, equipment, and materials, ensuring efficient utilization.
• Report operational performance to management, including workload, repair lead times, critical cases, recurring failures, team performance, and operational challenges.

Key Areas of Accountability

• Laboratory Operations & Workflow Management
• Inverter Diagnosis & Repair
• Quality & Technical Compliance
• Customer & Technical Support
• Health & Safety
• Communication with Headquarters
• Repair Lead Time & Operational Performance

Function Specific Knowledge:

• Previous experience in customer support preferable in PV products.
• Must possess the ability to work with test equipment and hand tools as required
• Must possess customer service, problem-solving skills, and possess decision making and analytical skills
• Must possess effective written and verbal communication skills
• Must be proficient in Microsoft Office Suite (Word, Excel, power Point and Outlook)

Education and Minimum Requirements

• Degree in Electrical Engineering, Electronics, Mechatronics, or a related field, or equivalent professional experience.
• Intermediate or higher English proficiency.
• Spanish proficiency is a plus.
• Previous experience in the solar energy industry is required.
• Strong technical problem-solving and analytical skills.
• Self-motivated and proactive, with strong initiative and excellent communication skills.
• System- and product-level mindset, with the ability to understand technical issues from a broader perspective.
• Highly organized and detail-oriented, with a proactive approach to responsibilities.
• Strong technical support and customer-service orientation.

Work Location and Employment

• Full-time position.

Compensation and Benefits

• Competitive compensation based on experience and qualifications.
• Competitive benefits package.
• Strong opportunities for personal and professional growth within the company.