Mechanical Maintenance Technician

TRACTIAN; São Paulo; On-site; BRL 40,000 - 60,000; Full time

Job summary

TRACTIAN is seeking a Senior Mechanical Maintenance Technician to perform maintenance activities at our Industrial Testing Facilities in São Paulo. The role focuses on inspecting, troubleshooting, and repairing mechanical equipment such as pumps and motors. Additionally, you will ensure machines operate reliably, contributing to high-quality data for improving AI models.

The ideal candidate will have a technical degree in Mechanical Maintenance and proven experience with rotating equipment. Strong familiarity with workshop tools and safety standards is essential.

Qualifications

• Availability to work on-site in São Paulo (Chácara Santo Antonio - Zona Sul).
• Proven experience in industrial mechanical maintenance.
• Ability to read and interpret mechanical drawings and manuals.

Responsibilities

• Perform preventive and corrective maintenance on industrial rotating equipment.
• Inspect, diagnose, disassemble, and repair mechanical components.
• Collaborate with engineers to ensure equipment is mechanically balanced.

Skills

Fluency in Portuguese

Troubleshooting skills

Safety practices

Mechanical system repair

Education

Technical degree in Mechanical Maintenance, Industrial Mechanics, Mechatronics

Tools

Vibration analyzers

Shaft alignment tools

Common workshop tools

Job description

Data Science at TractianThe Data Science team at TRACTIAN focuses on extracting valuable insights from large volumes of industrial data. By using advanced statistical methods, algorithms, and data visualization techniques, the team transforms raw data into actionable intelligence that supports decision-making across engineering, product development, and operational strategy. The team continuously works on optimizing predictive models, identifying trends, and developing data-driven solutions that directly improve the company’s operational efficiency and product quality.

What You'll Do

As a Senior Mechanical Maintenance Technician, you will be responsible for performing mechanical maintenance activities at our Industrial Testing Facilities. Your primary focus will be on the inspection, assembly, disassembly, troubleshooting, and repair of rotating equipment such as pumps, motors, gearboxes, compressors, and other mechanical systems essential to our operations. This hands‑on role requires in-depth knowledge of industrial maintenance practices and strong familiarity with tools, technical documentation, and workshop safety standards. Your work will directly enable the acquisition of high‑quality data, which plays a critical role in improving our AI models. By ensuring that all mechanical systems operate reliably and consistently, you will contribute to the generation of clean, repeatable datasets used in machine learning and predictive analytics. You will be responsible for the mechanical integrity and operational readiness of equipment used across various internal tests and validation procedures.

Responsibilities

• Perform preventive and corrective maintenance on industrial rotating equipment, including pumps, motors, gearboxes, compressors, and other mechanical systems;
• Inspect, diagnose, disassemble, and repair mechanical components in accordance with technical manuals, maintenance standards, and internal procedures;
• Support the assembly, alignment, and mechanical setup of test benches and machines used in industrial testing environments;
• Operate and interpret results from diagnostic tools such as vibration analyzers, shaft alignment tools, and thermal cameras to identify faults and ensure proper machine condition;
• Use a variety of workshop tools, including drills, grinders, bench grinders, and other fabrication or machining tools, to support repair and setup activities;
• Collaborate with engineers and technicians to ensure equipment is mechanically balanced and safe for reliable test execution;
• Maintain clear documentation of maintenance activities, including failure reports, replaced parts, and recommendations for future interventions;
• Follow safety protocols, cleanliness standards, and best practices in mechanical maintenance at all times.

Requirements

• Technical degree in Mechanical Maintenance, Industrial Mechanics, Mechatronics, or a related field;
• Availability to work on‑site in São Paulo (Chácara Santo Antonio - Zona Sul)
• Fluency in Portuguese.
• Proven experience in industrial mechanical maintenance, especially with rotating equipment such as pumps, motors, compressors, and gear reducers;
• Familiarity with diagnostic instruments such as vibration analyzers, shaft alignment tools, and thermal cameras;
• Proficiency in the use of common workshop tools, including drills, angle grinders, bench grinders, and other mechanical fabrication tools;
• Ability to read and interpret mechanical drawings, manuals, and equipment specifications;
• Strong troubleshooting skills, root cause analysis, and mechanical system repair capabilities;
• Commitment to safety practices, maintenance procedures, and workplace organization;
• Good communication skills to report issues and collaborate with cross‑functional teams.

Bonus Points

• Experience with vibration analysis, dynamic balancing, and interpretation of mechanical condition data;
• Familiarity with laser shaft alignment systems and precision installation techniques;
• Previous experience in high-demand industrial environments such as oil and gas, pulp and paper, chemical industry, or heavy manufacturing;
• Knowledge of bearing types, lubrication systems, sealing elements, and mechanical fit and tolerance standards;
• Experience participating in root cause analysis (RCA) processes or reliability‑centered maintenance programs;
• Understanding of thermography diagnostics for detecting misalignment, overheating, or mechanical wear.