31 Trunking Jobs - Page 2

Experience designing and supporting Cisco enterprise networks Solid understanding of network-based segmentation strategies and IoT designs Extensive experience with TCP/IP, VLANs, VLAN Trunking, ACLs, load balancing, QOS, PBR, WCCP, VPN, NAT, VoIP, IPSec, Multicast, DNS services, firewalls,SNMP, Netflow Extensive experience with Network mirroring technologies SPAN,ERSPAN, RSPAN, TAP Experience configuring network security policies onfirewalls and/or routers Strong knowledge of network and security architecture best practice Strong knowledge of enterprise switching and routing, and LAN/WANtechnologies Experience with cisco DNA Center, Cisco Prime Advanced understanding of networking principles, subnetting and the OSI model Able to understand multi-tier network environments (Core, Distribution, Access,)

JD for Voice NOC & Technical Assistance Center (VOIP-Telecom) ThisrolerequiresexpertiseintechnologieslikeCiscoUnifiedCommunicationsManager(CUCM),SIP/SS7protocols,telecomequipment(likeSBCsandNGN),andhandlingescalationsforcomplexissuesrelatedtoVoIPservices,toll-freenumbers,andvariouscarrier/vendorissues. Provide end-to-end support for telecom services, from ticket creation to issue resolution. Support and manage commercial voice services, including Hosted PBX, SIP Trunking, PRI, Toll-Free Services, Long Distance, and Audio Conferencing. Utilize Cisco Unified Communications Manager (CUCM), CCNA Voice, and CCNP Voicek nowledge for troubleshooting and issue resolution. Troubleshoot various VoIP call issues, such as ASR, ACD, PDD, Dead Air, DTMF, codec mismatches, One-Way Audio, Voice Quality, DID, and Toll-Free issues. Monitor and manage alarms across network entities including routers, switches, NGN network,Soft Switches, Media Gateways, SBCs, and Tx Equipment. Perform proactive network monitoring and troubleshooting of Dialogic NGN, Sansay, andAcme/Oracle SBCs, Cisco ONS, and other telecom equipment. Work closely with vendors and carriers on T1/T3 TDM circuits, conducting head-to-headtesting on transport layers. Investigate and resolve fraud-related issues and conduct fraud analysis as necessary. Provide escalation support for other teams by analysing SIP/SS7 traces, CDRs, and raw switch traces to resolve complex call issues. Regularly update customers on the status of tickets, ensuring timely resolution and maintaining agreed SLAs. Conduct regular follow-ups with vendors and ensure that any network-related issues are addressed promptly. Troubleshoot and resolve issues related to VoIP phone features, such as answering rules, music on hold, and other platform-specific features. Assist with troubleshooting Toll-Free and Calling Card issues, providing resolutions based on network architecture. Maintain a proactive approach to network monitoring and ensure that all service disruptions are minimized. Should be ready for 24/7 work environment. Other Criteria : - Excellent oral & written communication skills. - Ability to learn and adapt to multiple internal applications & tools. - Strong analytical and independent problem-solving skills. - Able to clearly communicate network issues and the status of efforts to resolve problems. KEY POINTS FOR VOICE ENGINEERING: 1. Expert Voice Engineer experience in design and implementation of voice networks. 2. Designing, installing, and maintaining voice systems, including voice servers, gateways, and applications. 3. Configuring and managing voice networks, including IP-PBX and VOIP and expert in VOIP, SIP trunking, and cloud PBX planning and deployment. 4. Troubleshooting and resolving network outages and performance issues. Regularly updating network infrastructure as required. 5. Strong knowledge in digital/analogue circuits, TDM/VOIP protocols, and packet/circuit-based networks. 6. Solid experience with IP telephony, network protocols, and security protocols

We are seeking a skilled System and Network Administrator to join our IT team. This position is responsible for configuring, managing, and troubleshooting both Windows and Linux systems, network infrastructure, backup systems, and security protocols. The role includes managing DHCP, Static IPs, NAT, IPSec, firewall configurations, subnetting,network topologies, VLANs, WLAN, routing, and ensuring network availability and security. The ideal candidate will have extensive experience with both server management and networking, ensuring the smooth operation of both systems and network environments. Required Skills and Qualifications: Strong experience with Windows Server (Active Directory, DNS, DHCP, IIS, File/Print Services) and Linux (CentOS, Ubuntu, RHEL, etc.) server administration. Familiarity with system management tools like PowerShell, Bash scripting, Ansible, or similar automation tools. Knowledge of VLANs, subnetting, NAT, IPSec VPNs, firewall configuration, Network Topologies Knowledge of the following network protocols and technologies: TCP/IP and OSI model, IP Address and Subnetting, ARP, DHCP, DNS, POE (IEEE 802.3af/at/bt), ICMP, IPv4 IPv6, and IEEE 802.1Q trunking, Wireless LAN Fundamentals, VPN, NAT/PAT, etc. Knowledge of troubleshooting utilities such as Ping, Traceroute, Wireshark (or similar packet capture and analysis tools) is highly desired. Hands-on experience with Wi-Fi configuration, VLAN and WLAN security protocols (e.g., WPA2/WPA3, 802.1X) Experience with Routing Protocols such as OSPF, BGP, EIGRP, RIP. Expertise in configuring and managing DHCP, Static IPs, and DNS. Familiarity with Backup Solutions and Disaster Recovery plans. Strong debugging and troubleshooting skills across both Linux and Windows platforms. Strong problem-solving skills and the ability to work independently. Work Environment: This role requires a combination of in-office work and remote troubleshooting, with some after-hours support as needed for critical issues. The position may require on-call availability during system failures or network issues. This role is ideal for someone with a solid background in both systems administration and networking, with the ability to manage and troubleshoot complex environments involving both Windows and Linux operating systems. A successful candidate will bring a combination of technical skills, problem-solving abilities, and a proactive approach to maintaining a secure and efficient IT infrastructure.

WithinCDO Infra Networks, the Networks tower manages globally the life cycle, delivery, quality and performance of the Wide Area Network, the internet connections, network traffic management, (W)LAN, DNS/DHCP and all other aspects of connectivity for Nokia Networks offices and partners. Support the digital transformation and the use of cloud services. Technical support specialist Firewallis responsible for IT service management handling Incident management, Problem management, Change management for all IT network technologies. Work on technical design, functionality, configuration, performance and quality of connectivity.This is a position in network operations for enabling reliable service operation for IT network services. You have: Bachelor's degree or engineering degree in Telecommunications/Information Technology/Computer Science or equivalent 10+ years of experience in network services and management in complex environments Deep understanding of network technologiesTCP/IP, VRRP, DNS, ARP, STP, Trunking, Port Channeling, VRF, IPsec, and TLS Proficient in routing protocols such as OSPF, ISIS, BGP, Route Policy, QoS, VRRP, Multicast, LDP, and MPLS Hands-on experience with FortiGate Firewall and proxy or equivalent Knowledge of IPv6 WAN routing architecture and deployment expertise It would be nice if you also had: Knowledge of scripting and automation tools for network management Ability to acquire Nokia Router product knowledge, learn CLI, and deployment skills Expertise in handling complex routing design and issues in a multi-vendor environment Good knowledge of Enterprise WAN, LAN, wireless networks, virtualization, and load balancers Understanding of ITIL processes Analyzing production network issues and resolve Work in US time zone for operational shift support and provide required guidance to NOC Own incident ticket resolution end-to-end and find a way to resolve or provide technical workarounds Ensure to provide technical update during the incident management Engage OEM, service provider to troubleshoot the issue and escalate to get it resolved Escalate to very complex network issue to L4 engineer for support Perform advanced troubleshooting and resolve complex network security issues Conduct regular security assessments and audits to ensure compliance with industry standards and best practices. Develop and maintain comprehensive documentation for firewall and proxy configurations, policies, and troubleshooting procedures.

Looking For L3 Network Engineer Experience : 6 + ( Relevant ) Must have knowledge in L3 advance method of troubleshooting, Firewall, Palo Alto firewalls, FTD , ASA, Aruba /cisco switches, static routing & PBR,PCNSE, ACSA/ACMP, CCNP Etc.

Role & responsibilities Configure, Troubleshoot, Install, Implement & Maintain Access and Distribution switches like Juniper, Huawei, Zyxel, ZTE, Optilink, Digisol & Cisco. Install, Implement & Maintain GPON Technologies on Nokia, ZTE & Huawei OLT. Responsible for the setup of an accurate monitoring of Networking Equipment, monitoring of Critical Interface & overall health of the network. Manage revision controls and changes on all access networking devices. Capability to isolate and resolve network issue Assures the NOC meets the Service Level Agreement and the operation of the NOC infrastructure Keep NOC infrastructure, Access and Distribution NW device documentation up to date. Configuration & Capacity Planning for Access and Distribution device hardware. RCA of escalated calls and its documentation. Health Check and Backup of all Access Nodes. Implement new and Innovative Solution to optimize Network Vendor Solution Evaluation and applicability check for the Project. Closely monitor Project Execution and GAP in execution, Report Delay and Expedite Execution Preferred candidate profile Candidate must have hands on experience into Switch Configuration and GPON Technologies , NOC Monitoring and Troubleshooting , Monitoring and Ticketing tools. Candidate should have degree of BE/B.Tech ( IT/CS/ECE ) Interested candidate can connect cv on manish.barot@gtpl.net or apply directly on Naukri Portal.