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Help desk technicians are instrumental to the smooth running of any IT department, and they also provide a valuable service to customers and clients. Often the first port of call when there is a network issue, these skilled technicians have expertise in customer service, as well as problem-solving.

A help desk technician has a varied role, which is centered on maintaining technologies, providing IT support, troubleshooting and identifying solutions.

Desk technicians can work in-house or remotely on a freelance basis, and their day to day job may change depending on the nature of concerns raised by employees or customers. In-house employees deal only with internal systems and network issues that affect and impact the workforce, while remote workers may deal with customer queries and problems via phone, email or on-site visits.

The primary difference is that computer science was originally a sub-branch of mathematics. Computer science deals with the basic structure of a computer and is more theoretical. Hence, it is more malleable in terms of specialization, with the emphasis on math and science. Software engineering is a field concerned with the application of engineering processes to the creation, maintenance, and design of software for a variety of different purposes. A software engineer designs customized applications per the requirements of an organization.

In today’s job market, freelance jobs are in a boom. Companies save on in-house costs related to permanent, full-time telecommunication field engineers by hiring as and when required or on a need basis, which proves to be cost-effective. Which refers to the gig economy. 
For more info: Field Engineer Salary

Finding freelance work is not always a walk in the park. With freelance sites offering different kinds of jobs, pay scales and terms, it can be challenging to root out the best jobs. Using the wrong sites can cause you to waste time and effort, and it may also prevent you from finding genuine freelance jobs that suit your skill set. To save you time and maximize your chances of success in the search for freelance work, we’ve put together a list of the best places to find freelance positions and projects online.

It's easy to see that electrical engineers are experts in all electrical things. They can work within many different industries and roles all over the world. From knowing how to design the electrical system of a power station to development of commercial products, an electrical engineer is one of the most employable engineers around.  You need to have a bachelor's degree in electrical engineering, with an ABET accreditation to be fully licensed. Graduate degrees are also an option for aspiring electrical engineers. The average salary sits at $96,270 for an electrical engineer, with more than enough wiggle room for improvement.

The term firewall was originally used to describe physical walls in buildings that were made of concrete or steel. Firewalls functioned to halt the fire from spreading past that room or apartment. It was also designed as a safety feature. It happens to make a great metaphor which is why the current definition still remains valid today. In technical terms, a firewall is network security that looks at incoming and outgoing network traffic and prevents unauthorized access to maintain information security.
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In every industry, high paying entry level jobs are always in demand, for obvious reasons. Contrary to common belief, high paying entry level jobs are not necessarily difficult to find. Naturally, it’s all about the supply and demand – the more sought out your skill set, the better the salary can be. Entry level Engineering jobs, for example, offer some of the highest starting salaries across any industry.