Technical Specialist - Firewall

As a Technical Support Specialist within Nokia's CDO EICS Networks team, you will play a critical role in managing the lifecycle and performance of our network services, including firewalls, DNS, and secure connectivity for our global offices and partners. Working in a dynamic 24x7 environment, you will troubleshoot complex network issues, coordinate with cross-functional teams, and ensure reliable operation of IT network security services.

• Provide expert technical support for incident, problem, and change management across IT network technologies.
• Analyze and resolve production network issues while coordinating with cross-functional technical teams.
• Administer service requests and execute network changes for escalated or priority incidents.
• Own incident resolution processes, ensuring timely updates and thorough root cause analysis documentation.
• Design, deploy, and manage advanced firewall and SASE solutions to enhance network security.
• Conduct regular security assessments to maintain compliance with industry standards and propose preventive actions.
• Mentor junior team members and provide technical guidance in network security practices.
• Collaborate with external service providers and OEMs for complex issue resolution and remote implementation support.

Qualifications

You have:

• Bachelor's degree in Telecommunications, Information Technology, Computer Science, or equivalent with10+ years of experience in network services and operation management in complex environments
• Strong knowledge of TCP/IP, VRRP, DNS, ARP, STP, and other networking technologies
• Hands-on experience with FortiGate Firewalls and proxy solutions
• Experience with Zscaler SASE solutions and support
• Proficient in standard routing protocols such as OSPF, ISIS, BGP, and MPLS

It would be nice if you also had:

• Relevant certifications (e.g., Fortinet NSE, CISSP, CISM)
• Knowledge of scripting and automation tools for network management
• Familiarity with enterprise WAN, LAN, wireless networking, and virtualization technologies
• Understanding of ITIL processes and experience in network monitoring tools