What Do Mechanical Engineers Do: Job Description, Responsibilities and Duties

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daily life of a Mechanical Engineer
are Mechanical Engineers happy with their job

Mechanical Engineers

Other names for this job might include Air Conditioning Engineer, Application Engineer, Auto Research Engineer, Automation Engineer, Body Engineer, Brake Engineer, Car Designer, Combustion Engineer, Cooling and Heating Systems Design Engineer, Cryogenics Engineer

  • $88190
  • 69%
    Job satisfaction
  • Quite Hard
    Becoming one
  • Low
    Job growth
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Being A Mechanical Engineer: What You Really Do

In this job description guide, you will find out what do Mechanical Engineers do and what is their typical work day like.

After reading this, you will have a much better idea on whether you will like working as a Mechanical Engineer or not.

Job summary

Mechanical Engineers perform engineering duties in planning and designing tools, engines, machines, and other mechanically functioning equipment. Oversee installation, operation, maintenance, and repair of equipment such as centralized heat, gas, water, and steam systems.

We asked Mechanical Engineers how satisfied they are with their job. Here is what they said.

Job satisfaction


How meaningful is this job


69% of them said they were satisfied with their job and 53% said they find that their job makes the world a better place or helps to make someone else’s life better.

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Typical day

On a daily basis, Mechanical Engineers Read and interpret blueprints, technical drawings, schematics, or computer-generated reports. They Confer with engineers or other personnel to implement operating procedures, resolve system malfunctions, or provide technical information.

1 of the main responsibilities as A Mechanical Engineer is to Research, design, evaluate, install, operate, or maintain mechanical products, equipment, systems or processes to meet requirements.

Some may also Specify system components or direct modification of products to ensure conformance with engineering design, performance specifications, or environmental regulations.

In a normal work day, another thing that Mechanical Engineers do is they Perform personnel functions, such as supervision of production workers, technicians, technologists, or other engineers.

A typical day for A Mechanical Engineer look like this:

Review technical documents to plan work.
Confer with other personnel to resolve design or operational problems.
Confer with technical personnel to prepare designs or operational plans.
Evaluate characteristics of equipment or systems.
Design industrial processing systems.

We asked some Mechanical Engineers a few questions to find out what else does their work day look like. Here is what we found.

Do you have telephone conversations everyday in this job?78% said yes
Do you have to use email everyday in this job?70% said yes
How important is it to work in a team in this job?47% said very important
Do you have group discussions everyday in this job?93% said yes
Do you have to meet strict deadlines everyday in this job?29% said yes
Do you talk or work with customers everyday in this job?10% said yes
Do you have to deal with angry customers everyday in this job?8% said yes
Do you have to make decisions everyday in this job?61% said yes

Other responsibilities

Besides the “typical day” things that Mechanical Engineers do, they Provide feedback to design engineers on customer problems or needs. They might also Conduct research that tests or analyzes the feasibility, design, operation, or performance of equipment, components, or systems.

On a weekly to monthly basis, Mechanical Engineers Recommend design modifications to eliminate machine or system malfunctions. and Develop, coordinate, or monitor all aspects of production, including selection of manufacturing methods, fabrication, or operation of product designs.

In addition, they Apply engineering principles or practices to emerging fields, such as robotics, waste management, or biomedical engineering.

Although specific duties may vary, many of them Design test control apparatus or equipment or develop procedures for testing products.

To some Mechanical Engineers, it is also their responsibility to Direct the installation, operation, maintenance, or repair of renewable energy equipment, such as heating, ventilating, and air conditioning (HVAC) or water systems.

A typical week or month for them might include:

Recommend technical design or process changes to improve efficiency, quality, or performance.
Test performance of electrical, electronic, mechanical, or integrated systems or equipment.
Recommend technical design or process changes to improve efficiency, quality, or performance.
Direct industrial production activities.
Identify new applications for existing technologies.

Working life

Working hours

More than 40 hours per week

Working schedule

Regular (Set schedule and routine)

In a typical work week as A Mechanical Engineer, you can expect to work More than 40 hours per week.

Do Mechanical Engineers work in an office-style work environment?


Once a week

Once a month

Once a year


Do Mechanical Engineers work in a warehouse-style work environment?


Once a week

Once a month

Once a year


Do Mechanical Engineers work outdoors?


Once a week

Once a month

Once a year


Is this right for me

Best personality for this career

The Thinkers and The Builders

You can read more about these career personality types here.

You will like this career if you are someone who likes working with ideas, and require an extensive amount of thinking. They like searching for facts and figuring out problems mentally.

You also like work activities that include practical, hands-on problems and solutions. They like working with plants, animals, and real-world materials like wood, tools, and machinery. Many of the careers require working outside, and do not involve a lot of paperwork or working closely with others.

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Engineering and Technology

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