Level 2 Network Engineer

Job Details -

Duration: 3 Years (Day Rate Contract)

Location: Dublin City Centre (Hybrid options may be available)

Must have full driving licence.

Overview

Our client, a leading public sector organisation, is seeking a Level 2 Network Engineer to join their Dublin City Centre office on a 3-year day rate contract. This role involves providing hands-on support and management of Local Area Networks (LAN), Wide Area Networks (WAN), Unified Communications, and Wireless Technologies across multiple sites in Ireland.

This is an exciting opportunity to work on a large-scale, mission-critical network infrastructure, ensuring network stability, security, and performance across a distributed enterprise environment.

Key Responsibilities

1. Network Operations & Support

• Manage and support Local and Wide Area Networks (LAN/WAN) across approximately 130 sites.
• Configure and troubleshoot Alcatel, Cisco, and other network switches and routers.
• Support and maintain network security policies and ensure compliance with best practices.
• Work with multiple third-party WAN providers to ensure service continuity.
• Provide hands-on network troubleshooting, including VPN technologies and SD-WAN solutions.

2. Wireless Network & Unified Communications Support

• Maintain and troubleshoot enterprise wireless networks (802.11xxx standards).
• Administer HP Aruba wireless solutions, including ClearPass and Airwave.
• Provide support for cloud-based Unified Communications systems (8x8 or similar).

3. Network Monitoring & Performance Management

• Use Omnivista, Zabbix, Wireshark, and FortiManager for network performance monitoring.
• Proactively monitor and resolve network incidents to prevent downtime.
• Respond to Level 2 and priority Helpdesk tickets and track all issues using a ticketing system.

4. Data Centre & Infrastructure Management

• Maintain and manage data centre and comms room infrastructure.
• Ensure cabling standards are maintained across multiple locations.
• Manage environmental controls including UPS, air conditioning, and IoT sensors for monitoring.

Key Requirements

✔ Experience & Technical Knowledge

• Minimum 4 years' experience in a similar Level 2 Network Engineer role.
• Strong working knowledge of LAN/WAN environments including switching and routing protocols (Ethernet, TCP/IP, DNS, DHCP, OSPF, BGP).
• Experience with Fortinet SD-WAN or other SD-WAN technologies.
• Hands-on experience with VPN configuration and troubleshooting.

✔ Security & Compliance

• Strong focus on network security, ensuring industry best practices are followed.

✔ Tools & Monitoring Expertise

• Experience using Omnivista, Wireshark, Zabbix, or similar network monitoring tools.
• Knowledge of Aruba Wireless Controllers, Aruba ClearPass, and Airwave.

✔ Soft Skills & Problem-Solving

• Ability to work independently, especially in high-pressure outage situations.
• Strong communication skills, working across teams to support critical network operations.
• Ability to manage multiple vendors and third-party service providers effectively.

✔ Qualifications (Preferred, Not Mandatory)

• Relevant IT networking certifications (e.g., CCNA, CCNP, JNCIA, JNCIS, Fortinet NSE).

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