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Senior Network Engineer, Tier 2



Sofia, Bulgaria
Posted on Wednesday, July 10, 2024

About GTT:

GTT is a leading global provider of secure cloud networking solutions for multinational organizations. We design and deliver solutions that leverage advanced cloud, networking and security technologies. We complement our solutions with a suite of professional services and exceptional sales and support teams in local markets around the world. We serve thousands of national and multinational companies with a portfolio that includes SD-WAN, security, Internet, voice and other connectivity options. Our services are uniquely enabled by our top-ranked, global, Tier 1 IP backbone, which spans more than 260 cities on six continents. The company culture is built on a customer-first service experience reinforced by our commitment to operational excellence and continuous improvement in our business, environmental, social and governance practices. For more information, visit gtt.net.

Role Summary:

The Network Management Centre (NMC) manages and maintains backbone network 24x7.

Main Responsibilities:

  • Use network tools to monitor core network and customer services
  • Proactively initiate incident management process
  • Perform diagnostics on all network and customer faults
  • Generate action plans to troubleshoot all Hosting network and customer faults
  • Track the incident management of proactive and reactive issues through the Trouble Ticket system
  • Management and Technical escalation of Trouble Tickets in line with process
  • Coordinate NOC activities with local Field Operations and Vendor/Supplier representatives to diagnose and fix faults across a pan-European network
  • Liaise with customer representatives to progress fault resolution
  • Support local Field operations with maintenance activities
  • Work according to schedule on a
  • Report security incidents to the appropriate operations functions on detection

Ideal Candidate Profile:

  • Professional, structured and proactive approach
  • Self-motivated with excellent interpersonal and communication skills
  • Positive and approachable team player
  • Calm and productive under pressure
  • Detail-oriented and organized approach to work
  • Efficient and productive with good time management skills
  • Able to resolve problems quickly and effectively

Essential Criteria:

  • Experience with network monitoring tools (SMARTS, Netcool, InfoVista, HP Open View, Cacti, Nagios)
  • Good IP, MPLS and routing knowledge (ISIS, BGP) in an ISP environment
  • Good Cisco hardware and IOS knowledge
  • Good Juniper hardware and JUNOS knowledge
  • Good technical knowledge of CR/SR configurations and troubleshooting
  • Core network and backbone troubleshooting experience desired
  • Basic Linux/Unix skills (at least user level)
  • General knowledge of telecom industry and standards
  • Strong background of working within IP Operations environment of a Telco or large ISP

Desirable Criteria:

  • Strong flexibility & ability to perform effectively within changing environments
  • Candidate must have bachelor’s degree in engineering, preferably telecom or networking
  • Proficiency in English language (written and spoken)
  • Industry certifications (CCNA-RS, CCNA-SP, JNCIS-ENT, JNCIS-SP) are an advantage


  • Graduate degree in Engineering or equivalent degree


24x7 shift rota (4 Days working / 4 Days Off)