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
  • Provide 24x7 operational support on a rotating shift basis, including incident resolution, service request fulfillment, and executing network changes for escalated or priority incidents.
  • Manage the end-to-end incident ticket lifecycle, providing technical workarounds and coordinating with cross-functional teams and external vendors (OEMs, service providers) for resolution.
  • Conduct root cause analysis, document findings, and propose corrective/preventive actions, including identifying and addressing design gaps.
  • Adhere to change management and problem management processes for all network modifications and technical implementations.
  • Escalate complex network issues to L4 engineers when necessary and assist with remote implementations for special projects.
  • Generate reports and presentations on network analysis and incident trends.
• Network Design & Implementation
  • Design and deploy wireless network infrastructure, including Access Points, Controllers, and Gateways.
  • Implement and manage end-user and network device authentication solutions using CPPM (ClearPass Policy Manager).
  • Perform advanced troubleshooting for complex WLAN-related issues.
  • Administer network tools and contribute to the development of new monitoring solutions.
• Security & Compliance
  • Develop and enforce security policies and procedures to protect network resources.
  • Conduct regular security assessments and audits to ensure compliance with industry standards and best practices.
• Documentation & Mentorship
  • Create and maintain comprehensive technical documentation for WLAN configurations (SSIDs, policies, troubleshooting) and CPPM configurations (BYOD, Guest, IoT, TACACS).
  • Provide technical guidance and mentorship to junior team members.

• Education: Bachelor's or Engineering degree in Telecommunications, Information Technology, Computer Science, or equivalent.
• Experience:
  • Minimum 12+ years in Network Services with deep knowledge of complex network environments.
  • Proven experience in WLAN design, configuration, and deployment, specifically with Aruba Access Points, Gateways/Controllers, and Aruba Central.
  • 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.
• Technical Skills:
  • 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.
• Soft Skills: Strong communication and interpersonal skills, with the ability to work effectively in a team-oriented environment.
• Certifications (Desirable): Relevant certifications such as ACCP, ACMA, ACCX.