Network Administrator Salary in Dublin

Network Administrator job description

Job Title: Network Administrator

Overview/Summary of the role:

A Network Administrator is responsible for managing, configuring, and maintaining an organization's computer network systems. They ensure that the network operates smoothly, performs efficiently, and remains secure. They also monitor and troubleshoot network issues, and provide technical support for employees and clients utilizing the network.

Responsibilities and Duties:

- Install and configure network hardware, software, and tools such as routers, switches, firewalls, and security systems.

- Monitor network performance, security, and availability to identify and resolve issues proactively.

- Diagnose and troubleshoot network problems, and escalate issues to higher-level personnel as necessary.

- Maintain network security by implementing and enforcing policies, and by monitoring access and usage.

Network Administrator interview questions

Interviewer: Good morning, can you please introduce yourself and your experience as a Network Administrator?

Candidate: Good morning, my name is John and I have been working as a Network Administrator for over 5 years. My experience includes managing and monitoring local and wide-area network environments, planning network upgrades, and resolving technical issues.

Interviewer: Can you tell me about your experience with implementing and maintaining network security?

Candidate: Yes, as a Network Administrator, I have implemented and maintained firewall rules, intrusion detection systems, and virtual private networks to secure networks. I also conduct regular vulnerability scans and handle related security issues.

Interviewer: How do you manage network traffic and prioritize traffic during peak hours?

Candidate: I ensure that network traffic is optimized by implementing Quality of Service policies to control traffic bandwidth, and to give priority to specific traffic, such as VoIP and video conferencing during peak hours.