Technical Specialist
Nokia
IT
Colombia · Portugal
Posted on Nov 19, 2025
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.
About Nokia
Join us in creating the technology that helps the world act together.
We are a B2B technology innovation leader, pioneering networks that sense, think and act™, putting the world’s people, machines and devices in sync to create a more sustainable, productive and accessible future.
About the Business Group
Chief Financial Office is a diverse team at the frontline, delivering finance and business services, investor relations, and more across the world. Are you passionate about digital transformation, value openness and want to influence the direction of Nokia? Then, you may be the right fit.
Our recruitment process
We act inclusively and respect the uniqueness of people. Our employment decisions are made regardless of race, color, national or ethnic origin, religion, gender, sexual orientation, gender identity or expression, age, marital status, disability, protected veteran status or other characteristics protected by law. We are committed to a culture of inclusion built upon our core value of respect.
If you’re interested in this role but don’t meet every listed requirement, we still encourage you to apply. Unique backgrounds, perspectives, and experiences enrich our teams, and you may be just the right candidate for this or another opportunity.
The length of the recruitment process may vary depending on the specific role's requirements. We strive to ensure a smooth and inclusive experience for all candidates. Discover more about the recruitment process at Nokia.
Some of our benefits:
- Flexible and hybrid working schemes
- A minimum of 90 days of Maternity and Paternity Leave, with the option to return to work within a year following the birth or adoption of a child (based on eligibility)
- Life insurance to all employees to provide peace of mind and financial security
- Well-being programs to support your mental and physical health
- Opportunities to join and receive support from Nokia Employee Resource Groups (NERGs)
- Employee Growth Solutions to support your personalized career & skills development
- Diverse pool of Coaches & Mentors to whom you have easy access
- A learning environment which promotes personal growth and professional development - for your role and beyond
The Technical & Support Specialist supports business software and hardware in an area of expertise. Technical support and maintenance of platforms or solutions in an operational environment. Addresses customer inquiries, concerns, and issues, finds solutions to problems, and helps users through technical difficulties. Supports development of platform or solution and acts as a technical support expert in the service or solution. May act as a help desk support to solve complex issues in operational environment.
- 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.
- 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.