IT Network Support – 2nd Level Operations

Job Description

• Provide 2nd level support for network-related incidents and service requests (LAN, WAN, WLAN, VPN)
• Troubleshoot and resolve escalated issues from 1st level support within defined SLAs
• Monitor network performance and ensure system availability and reliability
• Perform root cause analysis and implement corrective/preventive actions
• Manage and maintain network devices (switches, routers, firewalls, access points)
• Support configuration, installation, and upgrades of network infrastructure
• Collaborate with global IT teams and external vendors when required
• Contribute to documentation (network diagrams, procedures, knowledge base)
• Participate in IT projects (network expansion, security improvements, migrations)
• Ensure compliance with IT security policies and standards
• Provide on-call support if required

Qualifications

• University degree in Computer Science, Network Engineering, or related field
• 3–5 years of experience in network operations or IT infrastructure support
• Strong knowledge of:
  • TCP/IP, DNS, DHCP, VLANs, routing & switching
  • Firewall technologies and VPNs
  • Network monitoring tools
• Experience with enterprise network equipment (e.g., Cisco)
• Good understanding of ITIL processes (incident, Request, problem, change management)
• Strong troubleshooting and analytical skills
• Ability to work under pressure and manage multiple priorities
• Good communication skills in English

Additional Information

• Certifications such as CCNA, CCNP, or equivalent
• Experience in industrial or multinational environments
• Knowledge of network security best practices

People of all genders are always meant equally; for linguistic simplification and better readability, only the masculine form is used in the text.
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LEONI Wiring Systems Tunisia SARL