Technical Specialist

ICT Management & Operations (ICT) comprises the management of ICT systems and the support of services in response to business needs. Covers the entire lifecycle of an IT service and / or IT business service (several IT services) including operational performance. Contains provision of high quality and accurate implementation plans that optimise the effort used in implementing an ICT system release, fulfilling the functional and non-functional requirements in the solution concept. Ensures that ICT systems / software release will perform as intended, will be easy and cost-efficient to operate, modify or maintain, and that the selected testing approaches are optimal for Nokia's purposes. Contains provision of end-user support and ensures user efficiency by resolving problems and inquiries. Possibly provides application support according to the delivery process in business infrastructure / solution.
 

Network Operations & Incident Management

• Resolve incidents, fulfill service requests, and handle network changes for high-priority issues.
• Manage incident tickets from start to finish, provide technical solutions, and coordinate with teams and vendors for resolution.
• Perform root cause analysis, document findings, and recommend fixes or improvements to address design gaps.
• Follow change and problem management processes for all network updates and implementations.
• Escalate complex issues to senior engineers when needed and assist with remote project implementations.
• Prepare reports and presentations on network performance and incident trends.
• Work as part of a 24x7 operational support team with regular hours.

Network Design & Implementation

• Design and set up wireless networks, including Access Points, Controllers, and Gateways.
• Implement and manage authentication solutions for users and devices using ClearPass Policy Manager (CPPM).
• Troubleshoot complex wireless network issues.
• Administer network tools and help develop new monitoring solutions.

Security & Compliance

• Create and enforce security policies to protect network resources.
• Perform regular security checks and audits to ensure compliance with standards and best practices.

Documentation & Mentorship

• Maintain detailed technical documentation for wireless network and CPPM configurations (e.g., SSIDs, policies, troubleshooting, BYOD, Guest, IoT, TACACS).
• Provide mentorship and technical support to junior team members.

• Bachelor's or Engineering degree in Telecommunications, Information Technology, Computer Science, or equivalent.
• 6+ years in Network Services with deep knowledge of complex network environments
• Proven experience in Wireless LAN design (WLAN), configuration, and deployment, specifically with Aruba Access Points, Gateways/Controllers, and Aruba Central, or at least CISCO access point and Local access network LAN.
• Demonstrated experience in NAC design, configuration, and deployment using CPPM/Cisco ISE.
• Hands-on expertise with Aruba WLAN products (Access Points, Gateway, Aruba Central, ClearPass Policy Manager).
• Expertise in complex routing design and troubleshooting in multi-vendor environments.
• Experience in requirement gathering for network solutions.
• Strong ability to diagnose network alerts, events, and issues.
• Basic understanding of core network technologies: TCP/IP, VRRP, DNS, ARP, STP, Trunk, Port Channel, VRF, IPsec, TLS.
• Proficiency in authentication protocols: Radius, TACACs, LDAP.
• Familiarity with network security principles and practices.
• Knowledge of scripting and automation tools for network management.
• Good knowledge of Enterprise WLAN concepts.
• Strong communication and interpersonal skills, with the ability to work effectively in a team-oriented environment.
• Certifications such as ACCP, ACMA, ACCX will be a plus.