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Explore The Main Technical Functions In Industrial Maintenance That Do Not Require A College Degree And Offer High Salaries. Learn How To Work In Promising Careers With Great Compensation In The Sector
Professionals with technical training are gaining more and more space in the industrial sector, with competitive salaries and high demand, even without a college degree. Some technical functions related to industrial maintenance offer high salaries, reaching up to R$ 16,000 per month in certain regions and sectors such as mining, oil, and gas.
Today you will learn about 6 of these promising professions, understand the market requirements, and know where the best opportunities are for those seeking professional growth and high income, without needing to pursue a university degree.
Why Does Industrial Maintenance Value Technical Professionals?
Industrial maintenance is vital for the proper functioning of any production plant. When machines and systems fail, the entire production line can be compromised, generating significant losses.
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That’s why companies in the energy, mining, metallurgy, and oil sectors invest heavily in predictive, preventive, and corrective maintenance.
According to SENAI research, more than 85% of graduates from technical courses are employed within a year of graduation, reflecting the high demand and appreciation for these roles in the market.
1. Industrial Mechanical Maintenance Technician
This is one of the most common technical functions in the sector, but also one of the most valued. The professional performs inspections, adjustments, disassembly, and assembly of parts, in addition to identifying failures in equipment such as motors, reducers, and hydraulic systems.
- Requirements: technical course in industrial mechanics (recognized by MEC) and practical experience.
- Sectors with Higher Demand: steelmaking, pulp and paper, automotive.
- Salary Range: from R$ 3,500 to R$ 12,000, potentially reaching R$ 16,000 in offshore units or large multinational corporations.
The presence of certifications such as NR-12 (machines and equipment) and NR-13 (pressure vessels) can further boost remuneration.
2. Electromechanical Technician
This professional combines mechanical and electrical knowledge, being essential for integrated systems and industrial automation. He works both in control panels and in mechanical components.
- Requirements: technical course in electromechanics, knowledge of PLCs, and reading electrical diagrams.
- Sectors with Highest Hiring: energy industries, assembly plants, and automated systems.
- Salary Range: from R$ 4,000 to R$ 14,000, with the possibility of reaching R$ 16,000 in critical sectors like oil and gas platforms.
In addition to technical knowledge, companies value professionals who are available to work in shifts or in 12×36 rotation.
3. Industrial Instrumentation Technician
Among the most specialized technical functions, the instrumentation technician is responsible for calibrating, installing, and maintaining sensors, transmitters, and control valves used in monitoring industrial processes.
- Requirements: technical course in instrumentation or industrial automation, along with mastery of control systems and communication protocols.
- Sectors with Highest Demand: petrochemical, pharmaceutical, chemical, and food industries.
- Salary Range: between R$ 5,000 and R$ 13,000, potentially exceeding R$ 16,000 with experience and certifications like NR-10, NR-33, and NR-35.
This position demands maximum attention to safety and the continuous functioning of processes, which explains its high value.
4. Heavy Equipment Maintenance Technician
Responsible for the maintenance of excavators, tractors, off-road trucks, and industrial cranes, this technician is a key player in infrastructure, mining, and heavy logistics projects.
- Requirements: technical course or proven practical experience, with knowledge of diesel engines and hydraulic systems.
- Sectors with Highest Presence: mining, ports, heavy construction.
- Salary Range: R$ 4,000 to R$ 12,000, but can reach R$ 16,000 in mining companies or large-scale projects operating in remote areas.
Working in hard-to-reach areas or in continuous operation (uninterrupted shifts) often significantly increases remuneration.
5. Industrial Refrigeration Technician
This professional works with large-scale refrigeration systems, such as chillers, cold rooms, and industrial air conditioning units. He performs installation, repairs, and corrective maintenance on equipment essential for the preservation of food and medicines.
- Requirements: technical course in refrigeration and air conditioning, knowledge of refrigerant fluids and basic electricity.
- Sectors with Highest Demand: food industry, pharmaceutical, and logistics centers.
- Salary Range: R$ 3,500 to R$ 11,000, with the potential to exceed R$ 16,000 in industries that operate with high-value products and require 24-hour operation.
Certifications like NR-10, NR-35, and training in refrigerants are important differentiators.
6. Specialized Industrial Lubricator
Little known outside the sector, this function is highly strategic for industrial maintenance. Specialized lubricators monitor vibration, analyze oil, and apply lubricants precisely, ensuring that equipment operates with minimal wear.
- Requirements: short courses, such as oil analysis and predictive lubrication (MLA or MLT – ICML).
- Sectors with Highest Appreciation: paper and pulp, mining, oil, and gas.
- Salary Range: from R$ 2,500 to R$ 8,000, but highly skilled professionals can reach R$ 16,000 per month.
Working in predictive maintenance requires precision, technical analysis, and knowledge of types of mechanical failure—skills that are increasingly valued by companies.
Growing Opportunities For Technical Functions With High Salaries
According to the Industrial Work Map 2023–2025, published by CNI and SENAI, Brazil will need more than 9.6 million technical professionals in the coming years. This means that the demand for qualified workers, even without a college degree, will continue to remain high.
Furthermore, with industrial automation and Industry 4.0, technical professions involving industrial maintenance become even more strategic, as they operate and maintain the systems that support the entire production.
Platforms such as Vagas.com, Catho, InfoJobs, and LinkedIn frequently list job openings with above-average salaries, especially in multinational companies or large industrial conglomerates.
High Income Is Possible Without A Higher Education Degree
The professions highlighted in this article prove that it is entirely possible to earn high salaries in roles related to industrial maintenance, even without a college degree. With technical qualification, practical experience, and dedication, professionals can stand out in critical areas of the national industry.
Investing in a recognized technical course, seeking additional certifications, and staying updated with industry trends are the main ways to achieve salaries above R$ 10,000—and, in some cases, exceeding R$ 16,000 per month.
If you are seeking stability, growth, and good earnings in the industry, these technical functions are an excellent alternative. The market needs qualified professionals—and opportunities are available for those who are prepared.
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