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  General Information  
  Job Title:  Network Engineer (VOIP) – Network Development Team  
  Job Type:    —  
  Job Schedule:    —  
  Salary:    —  
  Needed by:    —  
  Job Description  

Viatel are seeking an experienced Network Engineer to join our Network Development Team – working with other departments to provide the infrastructure to deliver services such as Voice, Wireless and Fibre Powered connectivity and new product development. This is a key role within the business with a key focus on our VoIP infrastructure and services and the position will be one of a team responsible for the deployment and maintenance of the company's Cirpack IP Telephony platforms, the voice communication architecture and its associated network connections and component hardware, as well as contributing to the wider responsibilities of the Network Development Team.


• Network architecture, design and implementation across all Company activities and services, including customer networks.

• Implementation of network and customer projects covering initial feasibility, design, test and rollout including interaction with vendors and internal resources

• Customer and core network design projects on SIP based VoIP networks using Cirpack switches

• Design and development of TDM and VoIP core infrastructure to provide high levels of resilience and availability

• Build, operate and maintain the Viatel VoIP equipment, throughout Ireland and Europe

• Provide an escalation for the Viatel NOC in support of both infrastructure and customer services

• IP administration and liaising with Internet bodies and similar.

• Company and customer network and infrastructure security – design, implementation, testing, reporting and maintenance.

• Deployment and maintenance of hosting, broadband, and managed services infrastructure including servers, routers, switches, cabling, customer equipment, backup devices and similar components.

• Administering, monitoring, and optimising networks, services, and servers.

• Programming, and scripting as required to improve efficiency of area.

• Reporting, planning, administration, analysis relating to network and service activities of the company as required.

• Support the sales and pre-sales team in Customer VoIP and voice-related proposals.

• Assist in the up skill of other people within the business preparing technical documentation


Candidates should ideally have min 4 years experience in an ISP, carrier, managed services

provider or system integrator environment with direct experience of customer focussed

support, alongside network equipment deployment and support. Recent experience of core VoIP switch configuration, support and service provisioning is a must.

• Experience in dealing with customers on a technical level for delivery of premium business services would be a significant advantage.

• Candidate must have practical and hands-on understanding of Cisco Equipment (routers, switches and firewalls) with particular emphasis on management and provisioning of MPLS, Ethernet and DSL services.

• Hands-on implementation experience of voice services, traffic, billing and switch management including interconnects, SS7, ISDN and detailed knowledge of SIP protocol

• Configure and troubleshoot Session Border Controllers, VoIP gateways, and other VoIP processing equipment

• Experience with Cirpack VoIP technologies an advantage

• Understanding and experience of Unified Communications solutions

• Good understanding of TCP/IP and associated protocols.

• Understanding of QoS, Ethernet and VLAN’s

• Detailed understanding of configuration and troubleshooting of SIP and TDM voice services.

• Experience in using network management tools such as Nagios, Cacti and Rancid, with an understanding of Radius, Syslog, DNS and PPPoE

• Experience with Linux (Centos or Ubuntu preferred) and Microsoft server systems variants, supporting hypervisor environments and scripting languages will be beneficial

• Understanding of Cisco technologies (routing, switching and firewalling) a significant advantage

• Ability to program (using PHP, Python, Perl, C# etc)

Competency Profile / Essential Personal Skills Required:

• Must have strong communication and interpersonal skills.

• Ability to work around issues and be creative as regards problem solving.

• Must have proven project management capabilities.

• Experience in progress reporting to management.

• Ability to multitask across multiple projects is a must.

• Strong self-motivation, work ethic with ‘can do’ attitude.

• Ability to communicate technical information to non-technical staff and customers.

• Willingness to travel on occasion.

• Must be dependable & flexible and willing to work independently or as part of a team.

• Good documentation skills.

• Must be able to participate on an on-call team roster system for out of hours support.

• Must be comfortable directly interacting with customers to resolve issues promptly.

Position: Fulltime

Location: Dublin, Blanchardstown


• Attractive Salary

• Healthcare Package

• Pension

• Subsidised gym

• Car Parking

• Social Club
  Job Requirements  
  Education:    —  
  Experience:  4 years  
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