Senior Network Engineer

About GTT

GTT provides secure global connectivity, improving network performance and agility for your people, places, applications, and clouds. We operate a global Tier 1 internet network and provide a comprehensive suite of cloud networking and managed solutions that utilize advanced software‑defined networking and security technologies.

We serve thousands of businesses with a portfolio that includes SD‑WAN and other WAN services, internet, security, and voice services. Our customers benefit from a customer‑first service experience underpinned by our commitment to operational excellence. For more information on GTT, visit www.gtt

A challenging and fulfilling modern technology role that appeals to individuals with a passion for Core Network technologies.

Core Networking:
Managing, building and troubleshooting internet backbone equipment, mainly based on Juniper, but also Cisco, Fortinet and other vendors. High competency with protocols like BGP, MPLS, ISIS, OSPF, etc. As a core engineer you will help manage and expand the AS3257 tier1 internet backbone.

We are expanding our highly successful Core Engineering team. The team focuses on providing and maintaining a tier1 internet connected network. You will work in a team of highly skilled network engineers from around the globe.

• Maintain the AS3257 core and relevant other networks
• Support the engineering team to tackle problems and suggest solutions for difficult to solve problems
• Work on constantly modernizing and securing internet‑facing high speed networking equipment
• Be proficient in working with Juniper and Cisco equipment
• Have the ability to plan, coordinate and manage remote‑hands to execute migrations, maintenances and troubleshooting
• Know your way around network protocols. Have the ability to move services between platforms regardless of vendor
• Have the ability to plan and work on longer‑term projects; there will be a lot of multi‑week and month projects ongoing that will require diligence and planning from your side. Be self‑sufficient where needed but recognize not to be afraid to ask for help when you get stuck

• Proven experience in systems support in a 24x7 business‑critical environment (Production)
• Significant troubleshooting and performance tuning skills/experience
• Be a self‑motivated proactive individual who is equally comfortable working individually or as part of a wider team
• Possess excellent written and verbal communication skills in English
• Deliver the appropriate balance between business need, technical perfection, and security standards
• Have a can‑do attitude and demonstrate a passion for new technology and learning. Be adaptive to change in a dynamic working environment
• Experience with Juniper MX/PTX/EX/QFX
• Cisco Routers, ASA
• Basic programming/scripting skills. BASH/Python/etc. The ability to write scripts to help you in your day‑job and automate repetitive tasks
• Experience in working with internet connected networks (ASN's) and relevant routing protocols

• Accuracy and Attention to Detail: Understanding the necessity and value of accuracy; ability to complete tasks with high levels of precision
• Decision Making and Critical Thinking: Knowledge of the decision‑making process and associated tools and techniques; ability to accurately analyze situations and reach productive decisions based on informed judgment
• Problem Solving: Knowledge of approaches, tools, techniques for recognizing, anticipating, and resolving organizational, operational or process problems; ability to apply knowledge of problem solving appropriately to diverse situations
• Knowledge of concept, principles, methodologies of Dev Ops; ability to apply Dev Ops knowledge into software development and operation processes
• Knowledge of relevant programming languages and tools; ability to test, write, design, debug, troubleshoot and maintain source codes and computer programs
• IP Network Engineering: Knowledge of the processes, tools, and techniques for IP network engineering; ability to utilize and manage IP applications for the construction, operations and support of IP‑based…