Network Engineer, Tier 3

About GTT 

GTT is a leading networking and security as a service provider for multinational organizations, simply and securely connecting people and machines to data and applications – anywhere in the world. We serve thousands of organizations, bringing together the right people, partners and technology to reduce the burden on IT teams and solve the most pressing networking and security challenges. Built on our top-ranked global Tier 1 network, GTT Envision is a single global technology platform to connect, orchestrate, virtualize and automate enterprise networks, enabling customers with consumable solutions to achieve business missions and meet ongoing demand when, where and how needed. Our portfolio includes SASE, SD-WAN, security, internet, voice and other connectivity options, complemented by a suite of professional services and exceptional sales and support teams in local markets around the globe. We partner with our customers to deliver Greater Technology Together. For more information, please visit www.gtt.net.

Role Summary:

The team provides 3rd line technical support for GTT’s core break/fix and customer support organisations. As a highly intelligent, flexible and efficient technical support team, it works with other parts of GTT to deliver a world-class customer experience.
The team is responsible for the stability of GTT’s next generation native IPv4/IPv6 IP network, and provides advanced technical support for the full range of GTT IP products working closely with Tier 1 and Tier 2 teams on customer and core issues.
 

Job Scope/Supervision:

Engineer will communicate with many internal departments such as: Tier3 Compute, Tier2 teams, Service delivery, Product teams, Engineering, Service desk

Duties and Responsibilities:

• 3rd line break/fix support for core network and customer services across the multinational and multivendor GTT network.
• Owns incidents, resolves them swiftly and drives through to final fix, working with customers and other internal teams as appropriate.
• Escalation to vendor support and other internal teams to ensure prompt and satisfactory resolution of issues.
• Provides concise and relevant action plans for teams to resolve network and customer issues efficiently.
• Provides work instructions, guidelines and training sessions to both junior Tier3 engineers and NMC Tier1 and 2 engineers on all unclear topics.
• Communication and documentation of customer and service-specific support information to the 1st line NMC teams.
• Ensures all operational scripts are working as expected and reports any deviation from the normal operations.
• Plan and execute software upgrades on the IP network and supported services, working with appropriate teams.
• Pro-active problem management based on technical and trend analysis to drive ever-better network performance.
• Configuration of network elements and migration of services under planned works.
• Technical review and ownership of key network management systems.
• Scope new developments to support continuous improvement of network quality and resilience.
• Ensure operational processes are followed and deliver best-in-class technical support while maintaining a stable and resilient network.
• Designing, developing and implementing automated solutions to streamline network operations. Enhance efficiency and reduce manual intervention.
• Combine networking expertise with programing and scripting skills to optimize network structure ensuring scalability, reliability and security.
• Deploying processes through Ansible, Python, Bash, AWS etc. working with Juniper, Cisco, Fortinet, Aruba, Vmware and many others.
• Monitor network performance and proactively address issues using automated systems.
• Maintain up-to-date documentation of automated processes, scripts and network changes
• Collaborate with network architects to design scalable and robust network solutions.

Required Experience/Qualifications:
 

• Minimum 5 years experience within IP Operations environment of a Telco or large ISP.
• Minimum 3 years of work in a technical IP technical 2nd line support position.
• Excellent and demonstrable experience of IP, MPLS and routing knowledge (ISIS, BGP, OSPF) in an ISP environment.
• Excellent knowledge of protocols in use by the systems and customer applications, independent troubleshooting skills
• Excellent technical knowledge of CE/CPE configurations and troubleshooting.
• Excellent knowledge of UNIX tools such as bash, vi, sed, grep etc.
• Strong experience in the use of IP management tools, both commercial and open source
• Qualification: CCNP or JNCIP for this level of qualification is mandatory.
• Ansible, Python, Bash scripting language

Desirable Experience/Qualifications:

• Excellent Cisco hardware and IOS knowledge (12xxx, 7xxx, 8xx and 17xx routers and 3550 and 65xx switches)
• Excelent Juniper and JUNOS knowledge (MX960, M7, M10 and Juniper CPEs/CEs)
• General knowledge or telecom industry, operational processes and standards.
• General technical understanding of other technologies (eg. VoIP, SDH and DWDM)

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