Freelance IT Engineer: Average annual salary and demand for server engineers, essential skills, and future prospects


This article introduces and explains the demand, future potential, job content, annual salary, and required skills for infrastructure server engineers. Server engineers are classified as infrastructure and cloud engineers. The scope of work and skills is wide-ranging, including server design, construction, and even operation. Regarding future prospects and demand, is it possible for server engineers to work independently as freelancers?

Server Engineer Average Annual Salary

It is said that the average annual income of independent server engineers as freelancers is around 7 million. At the agent companies introduced in this blog, the monthly income of server engineers is often around 600,000. If you do simple calculations, your annual income will be over 7 million, but this is just an average, and in the end it depends on your skills. Since the annual income of office worker server engineers is around 3 million to 5 million, it can be seen that the annual income is higher than that of office workers.

Inexperienced person

In the first place, if you are inexperienced, you will only be introduced to jobs with a monthly income of around 200,000 yen. First of all, you should focus on learning how to work. When you have no experience, you have no choice but to rely on those around you and get support. As long as you first understand the company’s systems in use and learn important skills such as how to handle maintenance in the future, there will be no problem. Let’s build your career first. It would also be good to be able to handle AZURE and AWS.

1 year work experience

After about a year of work experience, you will gradually become able to handle your work, and you will be able to do your work with occasional support from those around you, rather than supervision. Your monthly income will gradually increase, so if you work hard for a few more years, you will be expected to be able to work immediately. By continuing to work, you will become a person who can play an active role in the future, and you will be able to change jobs and become independent. When using on-premises, it would be a good idea to be able to investigate and resolve the impact. As virtualization and cloud computing are progressing, knowledge in these areas is also essential.

3 years or more work experience

Once a person has more than three years of work experience, high expectations are placed on the person in charge of being able to immediately work, and the latest high-paying work will also be introduced to them. As a reference, you will be able to aim for a high monthly income of 500,000 yen or more, and you will also be able to take on the challenge of becoming a manager. If you can aim to become a consultant or SE, your income will be stable and your options for work style will expand. You will be able to utilize your skills to provide quality services. You will also be able to solve major problems.

5 years or more work experience

If you have more than 3 years of work experience, you will become a veteran class, so the key point is that you will be able to handle very high-priced projects in detail. As you will be introduced to very high-paying jobs with a monthly income of 700,000 yen or more, there will be almost no jobs that you can’t do. You will become a person who can provide great services to customers and become a person with great influence. Depending on the project, you will be able to further advance your career and improve your skills. Let’s improve and promote specialized skills essential for support in response to requests and changes. You will also get a sense of accomplishment and receive good reviews.

Demand for server engineers

Server engineers are in high demand. If you register about 3 to 5 companies as freelance agents, you will have a lot of work to do, so you should be in a position to choose. If you have no experience or have little practical experience, you should register at least 10 companies and wait for your chance. If you are inexperienced, it may take some time before the job is decided.

The future and career path of server engineers

There are many people who are concerned about their future prospects when working as server engineers. What concerns do you have? In the infrastructure field, if you can learn a wide range of trending technologies in recent years, your overall evaluation will improve and you will have added value. You may also want to explore new directions. Some people, if they have the aptitude, move on to become in-house system engineers in the infrastructure industry.

The future of server engineers

It is highly unlikely that the work of server engineers will become unnecessary in the future. Server engineers are attractive because the demand is increasing in the IT society. However, on the other hand, as servers are moving to the cloud, which is low cost and easy to install, the demand for engineers with knowledge who can build server environments in the cloud is expected to increase significantly. It is also a good idea to hold certain qualifications. As the industry is developing, there are many roles that can be entrusted to you and a rich amount of work.


The pattern is to first move on to a managerial position such as a project manager. If you are good at supervising an entire team rather than IT technology, it will be useful to become a manager. Managers also receive higher compensation. Management and communication skills are very important. Their market value is likely to increase, and many people become full-time employees at major companies. You will need the ability to deal with issues and an understanding of the systems you are responsible for. It is a field that is highly important and can be expected to be in wide demand by leveraging one’s career.


There is also a pattern of specializing in technology. Specialists are on the path to gaining a track record by leveraging their advanced skills and constantly fighting on the front lines. Recommended for those who want to acquire in-depth knowledge in server design, development, and operation. If you can do not only databases but also software programming such as Javascript, php, python, etc., you will have more options in the market, it will be rewarding, and it will be easier to hire engineers.

career change

There is also a career change from server engineer. However, since this pattern involves going into a field with no experience, it would be better to go from being a freelancer to becoming an employee. Freelance work basically assumes that you can start working immediately, so if you have no experience in the field, you will have a hard time. It is important to acquire qualifications in new areas such as certification exams every day and think broadly.

Skills required for server engineers

To succeed as a server engineer, you will need at least the following skills: If you acquire skills that are useful in your current project, you won’t have to worry about finding a job. Let’s continue to update our basic skills starting in our 20s.

Server knowledge and technology

Since you will be dealing with servers, you will not be able to work without knowledge about servers in the first place. At least you should have some knowledge. A wide range of knowledge is required, such as the mechanism of knowledge of OS, applications, and networks.

communication ability

Communication skills are also required. Depending on the job, I may have to talk directly with the client, and I have to draw out the client’s needs.

security knowledge

With the evolution of IT, hacking and unauthorized access are on the rise. Therefore, server engineers are required to have high security knowledge and skills. This is because security measures must be taken seriously.

Qualifications required for server engineers

The qualifications required for a server engineer include: Most engineers have it, so it’s a good idea to get it.


LinuC is a qualification that certifies Linux server knowledge and skills. This is a vendor exam, and you can take it at any time as long as you have completed the necessary procedures.The exam time is 90 minutes and there are 60 questions in total. LinuC is divided into levels 1 to 3 depending on difficulty. Level 1 is for beginners, Level 2 requires approximately 3 months to 6 months, and Level 3 requires approximately 6 months to 1 year of study time.


MCP (Microsoft Certified Professional) is a Microsoft certification program. Certify your knowledge and skills regarding Microsoft products. It will be advantageous if you have “MCSE” which corresponds to the expert class.

ITIL Foundation Certification

The ITIL Foundation Certification is a qualification related to IT service management. This is a public qualification recognized by AXELOS, a company that contracts with the British government.


CCNA is one of the exams that certifies network-related skills by Cisco Systems, a network-related equipment manufacturer. Although it is a qualification often required of network engineers, there are also a tendency for server engineers to obtain it as well.