What Does a Network Engineer Do?


If you have a passion for technology, problem-solving, and the intricacies of networking, then exploring network architectures and technologies might be the best-suited profession for you.

Because today’s world is so digitally interconnected, there is a need for seamless connectivity and efficient data transmission in various fields. Network engineers are among the professionals that,  thanks to their expertise in designing, implementing, and maintaining robust networks, play a critical role in the functioning and success of modern businesses and organizations.

But what does a network engineer do? Read on and learn more about the world of network engineering, the responsibilities, skills required, work settings, and career prospects, among other things.

What Is a Network Engineer?

Networking engineers are professionals responsible for designing, implementing, and maintaining computer networks. They possess extensive knowledge of network architectures, protocols, and technologies, thus, enabling them to establish communication systems that are both efficient and secure.

Networking engineers and their IT teams devise network solutions tailored to meet the requirements of an organization. Their expertise facilitates excellent connectivity, reliable data transmission, and effective collaboration within the digital landscape.

What Does a Network Engineer Do?

The role of a network engineer encompasses many tasks and responsibilities. Some duties include the following:

  • Designing and implementing computer networks.
  • Configuring and managing network devices.
  • Troubleshooting and resolving network issues.
  • Implementing security measures.
  • Collaborating with teams to develop network solutions.
  • Examining the network performance.
  • Planning and implementing network upgrades as needed.
  • Staying informed about the latest advances in networking technologies.
  • Documenting configurations and changes made.

It’s important to note that the specific responsibilities may vary depending on the individual’s experience level as well as the work environment.

Where Do Network Engineers Work?


As a network engineer, you can find employment in a wide range of industries and organizations across sectors such as information technology, telecommunications, healthcare, government agencies, finance, educational institutions, and IT consulting firms.

In addition to the sector, the work setting also differs in terms of the company size. You may work for a large corporation, small or medium-sized enterprises, or even pursue a career as an independent consultant.

What Skills Does a Network Engineer Need?

To succeed as a network engineer, one must possess a diverse skill set that encompasses both technical and soft skills.

The technical skills relate to knowledge and expertise in network engineering, including network fundamentals, design, hardware and software, security, troubleshooting, protocols, and more. Some technical skills you must possess as a network engineer include:

  • Solid understanding of networking principles, including the internet protocol suite, subnetting, and VLANs.
  • Ability to design and implement efficient network architectures.
  • Proficiency in configuring and operating network devices.
  • Knowledge of network security measures like VPNs, firewalls, and intrusion detection systems.
  • Ability to monitor network performance and analyze traffic patterns.
  • Proficiency in coding languages such as Python in order to automate network configuration and management tasks.

In addition to these technical skills, network engineers must also possess soft skills. These skills are essential as they enhance teamwork, facilitate clear communication, enable efficient coordination, as well as foster a growth mindset. Some examples of such skills are:

  • Strong analytical and problem-solving skills to diagnose and resolve network issues.
  • Excellent communication and collaboration skills for working in multidisciplinary teams.
  • Ability to multitask, manage network projects, prioritize specific duties, and meet deadlines.

How To Become a Network Engineer

Though becoming a network engineer can be challenging, with dedication, continuous learning, and practical experience, it is definitely achievable. Here are a few factors to consider regarding the difficulty of becoming a network engineer:



Generally, most entry-level network engineering positions require you to have a bachelor’s degree in computer science, information technology, or another related field. Some universities might also offer specialized network engineering programs.

Though not a requirement for entry-level jobs, if you want to advance in your career as a network engineer, it is best to further your education by pursuing a master’s or doctorate degree.


In addition to education, acquiring relevant industry-recognized certifications can enhance your career prospects significantly. Below we have listed some options:

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  1. Cisco Certified Network Associate (CCNA) – Covers topics such as network fundamentals, routing and switching, security, and wireless networking.
  2. Cisco Certified Network Professional (CCNP) – Offers specialized tracks such as CCNP Security, CCNP Data Center, CCNP Enterprise, CCNP Collaboration, and more.
  3. Juniper Networks Certified Internet Associate (JNCIA) – Covers topics like OS fundamentals, routing, security, and switching essentials, among other areas.
  4. CompTIA Network+ is often considered a starting point in networking careers.
  5. Certified Information Systems Security Professional (CISSP) – Excellent choice for network engineers in the field of information security.
  6. Certified Ethical Hacker (CEH) – Valuable for network engineers working in the field of cybersecurity.

Remember that the relevance of certifications can vary based on the areas of specialization and career goals. Therefore, it is essential to research and choose the certifications you want to pursue based on your interests, the technologies you work with, and the industry demands in your position.


Last, though certainly not least, is gaining practical experience. Time dealing with network devices, troubleshooting, and network management is crucial for network engineers, especially if they want to advance in their careers.

The experience gained throughout the years can enhance your practical knowledge, troubleshooting skills, adaptability, decision-making abilities, collaboration, leadership potential, industry awareness, and overall professional growth. It also helps create a direct bridge between theoretical knowledge and the hands-on duties of network engineering roles.

Network Engineer Career Prospects and Salary

The demand for network engineers is expected to remain strong thanks to the continuous development of technology and network infrastructure in various industries. Data shows that the projected job outlook for network engineers is estimated to be 5% until 2028.

In addition to job security, generally, network engineers also receive competitive salaries. According to recent data, on average, network engineers in the United States earn $88,003 per year. However, it is worth mentioning that the salary for network engineers ranges from $56,000 to $140,000 per year. It depends on factors like experience, location, industry, and more.


Network engineering continues to play a significant role in our interconnected world. Through a higher education degree in computer science or another related field, relevant certifications, and experience, you can embark on a rewarding journey working as a network engineer.

Unlock a world of opportunities and contribute to the ever-advancing digital landscape through a lucrative career in network engineering.

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