L2 Voice Infrastructure Support Specialist

We are a leading technology company who constantly empowers people to envision and reach their full potential.

People are the foundation of our company. This is why we encourage and support them in every initiative and step of their career, valuing talent, energy and commitment over immediate resources’ availability and empty numbers. The engine of our growth and performance is being powered by their
open-mindedness, fairness, and team spirit.

What sets us apart is our ability to take up new challenges and learn every day in our common effort to exceed our customers’ expectations and expand the frontiers of technology innovation.

We identify gifted, open-minded and committed specialists, willing to evolve both as professionals and as human beings and we put all our efforts in helping them perform at their best.

We welcome people:
• Eager to take on new challenges and learn new things;
• Who put their heart, mind, and soul into everything they do;
• Who enjoy sharing knowledge and have team spirit.

If you are ready to engineer your future, join our team now!

Compulsory skills:
• Knowledge of Cisco VoIP technology, including Call Manager, Unity Connection, IPCC Express, voice gateways, and CUP;
• CCNA/CCVA, certification;
• Experience in using Cisco telephony management products;
• Strong network troubleshooting/problem resolutions, protocol analysis, network troubleshooting/problem determination skills with network trace/capture/analysis software;
• Excellent written and oral communication in English (German is considered a plus);
• Relevant work experience as a voice support engineer/network support engineer;
• Proficient with packet capture tools (Sniffer, InfiniStream, Wireshark);
• Knowledge of DNS and DHCP; Ability to extract data from network devices and present clear and meaningful trends on the network; Strong oral, written and interpersonal skills required for client interaction.




Nice to have skills:
• Knowledge of operational support for routing/switching protocols in complex network environments including OSPF, EIGRP, BGP, RIP, Spanning Tree, 802.1q, 802.1x, 802.3af (PoE), etc.;
• Experience with the following: NAT, route redistribution, policy routing, HSRP, VRRP traffic policing/rate limiting, network load balancing, access control lists, route maps;
• Knowledge of IP multicast, troubleshooting and routing solutions (IP PIM Sparse/Dense Modes, IGMP v1, 2 and 3, RP);
• Basic QoS knowledge;
• Platform experience with any of the following hardware vendors: Cisco ASR1000, 7500, 7200, 3725, 2800, 2600, 831 series routers, Cisco 6500 Sup/MSFC, 4500, 3750, 2950, 2950-LRE series switches (Native and Hybrid IOS) and Cisco Pix/ASA Firewalls;
• Knowledge of IPSEC/3DES VPN's and Remote Access Solutions;
• Experience with firewall administration of Cisco ASA/PIX; Able to troubleshoot application performance or voice issue from a network perspective in a timely manner;
• Strong knowledge of TCP/UDP/RTP Protocol analysis

Tasks and Activities

• Analyze and tune performance of strategic network infrastructure.
• Use protocol analyzer to troubleshoot and verify proper operation of complex configurations/applications;
• Troubleshoot end to end connectivity problems with various groups such as Level I and II support and System Engineers/Operations teams;
• Troubleshoot and resolve complex network problems to ensure minimal disruption;
• Document Standard Operating Procedures and adhere to company policies, guidelines, and configuration standards for all aspects of the network; Implement new and current technologies within the Regional Data Centers.
• Advance level of network support and performance monitoring for a 24x7 Regional Data Center.