5 high-paying jobs that don't require a college degree

A production assembly mechanic performs a final inspection on a CFM56-7 jet engine.
Bloomberg | Getty Images

While 20-somethings have been graduating from colleges across the U.S. this month, higher education remains a privilege that is inaccessible to many.

Even though they can be prohibitively expensive, a degree offers more opportunities than ever before, including increasing your future earning potential, opening the door to other employment opportunities and even adding years to your life.

However, for those without the opportunity to pursue a four-year degree, there are some career options that pay well.

In fact, Monster PayRight worked with PayFactors to collect data from over 2,000 American employers and found that many high-paying jobs don't require a bachelor's degree.

Topping the list is janitorial manager, a profession where the median annual salary is $93,500. While this may not be the most glamorous occupation, a surprising number of self-made millionaires started off as janitors.

For instance, Sean Conlon, the star of CNBC's "The Deed: Chicago," immigrated to the United States with just $500 to work as a janitor. Conlon worked hard and eventually built a lucrative career in real estate.

Consistent among these top jobs is the ability to work under minimal supervision, the ability to manage others and some degree of technical proficiency. In order to reach these high salaries, workers must often assume leadership responsibilities.

Here are the five highest-paying positions that don't need a bachelor's degree:

A pharmaceutical manufacturing plant in Vernouillet, France.
BSIP | Getty Images

5. Instrument technicians

According to Monster, instrument technicians are responsible for installing, monitoring and maintaining production equipment. While the role does not require an advanced degree, it does need a wide range of skills including oral and written communication abilities, computational proficiency, technical expertise, problem-solving abilities and leadership potential.

Salary: $69,200

Viet Nguyen wears a knit Red Sox cap as he polishes Pesky's Pole (the nickname for the right field foul pole at Fenway Park) with a 4 ½ grinder.
Boston Globe | Getty Images

4. Grinders

A grinder operates machines used for various manufacturing, smoothing and polishing tasks. The extremely dangerous machines calls for a high technical knowledge and strong attention to detail. Many grinders are also responsible for quality assurance of the final product, whatever it may be.

Salary: $69,500

A production assembly mechanic installs a safety cable on a CFM56-7 jet engine.
Bloomberg | Getty Images

3. Aircraft mechanics

It may come as a surprise, but according to Monster, many aircraft mechanic positions do not need a college degree. The job site reports that these jobs typically expect a high school diploma, an internship and four to six years of experience. One of the most important roles of an aircraft mechanic is to inspect airplanes and ensure that they meet Federal Aviation Administration standards.

Salary: $85,200

Service technicians work under the hood of a customer's vehicle.
Bloomberg | Getty Images

2. Shop service managers

Shop service managers oversee a team of technicians and mechanics that service cars, trucks and heavy equipment. While some employers do prefer candidates to have a bachelor's degree, Monster says that it is not compulsory. In order to be a shop service manager, you will need terrific customer service skills, comprehensive knowledge of the industry and a clean driving record.

Salary: $93,400

Jose Motolinia cleans up after the close of trading on the floor of the New York Stock Exchange.
Bloomberg | Getty Images

1. Janitorial managers

You may think you know what it takes to be a janitorial manager, but this profession demands skills that are highly valuable to any company or organization. Janitorial managers often play a role in departmental budgeting and strategic planning. They also must be able to foster teamwork and problem solve under pressure.

Salary: $93,500

The highest paying jobs that don't require a master's degree
The highest paying jobs that don't require a master's degree
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The highest paying jobs that don't require a master's degree
The highest paying jobs that don't require a master's degree