Data publikacji : Sep 29, 2026, 12:00AM
Orange Business is here!
About us Join us at Orange Business!
We are a network and digital integrator that understands the entire value chain of the digital world, freeing our customers to focus on the strategic initiatives that shape their business.
Every day, you will collaborate with a team dedicated to providing consistent, sustainable global solutions, no matter where our customers operate. With over 30,000 employees across Asia, the Americas, Africa, and Europe, we offer a dynamic environment to develop and perfect your skills in a field filled with exciting challenges and opportunities.
About the role Role Overview
We are looking for an experienced UCC, Network & Security professional to provide end-to-end support for enterprise infrastructure in a global managed-services environment. The role will cover Unified Communications & Collaboration, Voice/Video/AV, Network, SD-WAN, Internet, Firewall, VPN, SASE/SSE and Network Security.
The candidate will be responsible for monitoring, incident and problem management, troubleshooting, change implementation, service improvement, customer coordination and proactive automation across a multi-vendor environment.
Key Responsibilities
Provide 24x7 operational support for enterprise UCC, Network and Security infrastructure.
Monitor infrastructure and proactively identify service-impacting issues.
Troubleshoot complex incidents across UCC, Voice, Video, Network and Security domains.
Provide L1/L2/L3 technical support based on role requirements and ensure timely SLA-based resolution.
Own incidents from identification through resolution, including major/P1/P2 incidents.
Perform technical troubleshooting, root-cause analysis and permanent corrective actions.
Coordinate with internal technology teams, customers, OEMs, ISPs and third-party vendors.
UCC / Voice / Video / AV
Support enterprise Unified Communications and Collaboration platforms.
Experience with Cisco Collaboration/Webex, Microsoft Teams, Zoom, Avaya, Poly, Crestron or equivalent platforms.
Troubleshoot SIP, VoIP, call routing, dial plans, registration, SBC and media-related issues.
Support Video Conferencing and meeting-room infrastructure.
Troubleshoot VC endpoints, cameras, microphones, displays, touch panels and room-control systems.
Support device registration, pairing, calendar synchronization and connectivity issues.
Perform proactive UCC/VC health checks and monitoring.
Support VVIP meetings, live-assist and business-critical collaboration services.
Support UCC/VC migrations, upgrades, refreshes and onboarding.
Network
Support enterprise LAN, WAN, Internet and data-center connectivity.
Troubleshoot routing, switching, VLAN, STP, TCP/IP, DNS, DHCP and QoS.
Experience with Cisco, Juniper, Aruba or equivalent technologies.
Troubleshoot BGP, OSPF, static routing and network connectivity.
Support MPLS, Internet and SD-WAN environments.
Troubleshoot latency, packet loss, jitter and bandwidth-related issues.
Coordinate with telecom/ISP providers for circuit and connectivity issues.
Support network deployments, migrations and technology refresh activities.
Network Security
Support enterprise firewall, VPN and network-security infrastructure.
Hands-on experience with Palo Alto, Fortinet, Check Point, Cisco ASA/FTD or equivalent.
Troubleshoot firewall policies, NAT, routing, VPN and application connectivity.
Support IPsec/SSL VPN and remote-access solutions.
Exposure to Zscaler, SASE/SSE, Zero Trust, NAC and Cisco ISE.
Perform security-event and firewall-log analysis.
Support security changes, hardening and vulnerability remediation.
Work closely with SOC teams for security incidents and investigations.
Monitoring & Service Operations
Monitor infrastructure using tools such as SolarWinds, ServiceNow, NetPath, PRTG, Splunk, LogicMonitor or OEM monitoring platforms.
Analyze alerts and correlate events across UCC, Network and Security.
Identify recurring issues and service-impacting…