Network Engineer, Core Engineering

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.

Team Description & Purpose of Role

The Core Engineering team is responsible for maintaining, reviewing, and implementing architectural and functional changes within the GTT IP Network. Owners of projects for the proper functioning of all IP systems including the maintenance, support, upgrade, patching, and retirement of such systems. Proactively reviews current architecture and capabilities, tests and evaluates new IP technologies, and implementing improvements.

The team maintains a high level of technical IP proficiency and function as an escalation point for complex issues and advanced troubleshooting as well as design solution implementations; which will involve managing vendor relationships and coordinating and cooperating with field and operations staff across a Global IP Network.

The team works closely with other Engineering teams, Network Delivery and Operation teams to ensure the IP network is expanded and delivered in efficient, cost-effective way allowing the provisioning of high-quality IP services to external and internal customers.

Job Responsibilities

• Manage GTT IP address resource allocation to internal systems or other teams or customers
• Perform regular IP address auditing / discovery on the network and inside internal systems
• Engage RIRs (ARIN, APNIC, RIPE) to:
  • Transfer resources smoothly between LIRs or RIRs
  • Update / modify assigned resources
  • Respond to and solve any cases raised by the RIRs
  • Monitor billing levels
• Perform bulk cleanups of stale objects inside the RIR databases
• Have working understanding of RPSL and Reg-RWS in order to write and run ad-hoc update scripts for data inside RIR databases
• Ensure the geolocation of GTT’s resources is properly updated
• Familiarity with the most popular DNSBLs and ways to update them
• Manage a fleet of NTP and recursive name servers
• Perform the testing and introduction to the Operations environment of new platform solutions within given timelines
• Engage with outside entities such as vendors, user groups etc., through service and operational reviews
• Write scripts to audit the network status or configuration status if such need arises
• Perform strategic and tactical projects with respect to customer migrations, network upgrades & network optimisation
• Perform regular review and presentation of Core Backbone and Metro capacity
• Identify and specify ongoing operations requirements for platform, process and supporting systems
• Act as 3rd line fault escalation and ensure resolution of escalated network & customer issues within working hours
• Ad hoc escalation out of hours
• Maintain a strong knowledge of ISP industry trends
• Support customer interaction with respect to outage and service reviews
• Review of proposed customer solutions and assisting the Sales Engineering team

Experience Required

3-5 years technical experience in a complex Telecommunications environment working on a large ISP network

In-depth experience working with RIRs: RIPE, ARIN, APNIC and in-depth knowledge of processes in those RIRs when updating / adding /deleting selling or transferring resources

Understanding of DNS

Comprehensive IP and routing knowledge

Comprehensive Cisco / Juniper hardware and IOS / Junos knowledge

Understanding of telco service layers, i.e. xDSL, Frame Relay, ATM, VPN, VoIP, transmission

Ability to deliver to strict timelines for any given project

Ability to accept change and drive this change through multiple interfacing departments within an organisation

Ability to understand and execute policies and procedures

General knowledge of the telecom industry and standards

College or University degree in Technical related discipline or equivalent level of experience (time served).

Excellent English language skills a must, other languages an advantage.

Core Competencies

• 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.
• DevOps: Knowledge of concept, principles, methodologies of DevOps; ability to apply DevOps knowledge into software development and operation processes.
• Programming: 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 networks and infrastructure.
• Network Capacity Planning and Management: Knowledge of network capacity planning and management; ability to utilize the tools and practices for forecasting, planning, and managing the capacity needed to provide satisfactory levels of network services.

Universal Competencies

• Continuous Improvement: Knowledge of transformation initiatives to drive fundamental changes, enhance responsiveness and efficiency to core business practices. Ability to drive cultural changes from best effort to results oriented.
• Customer First (Customer Facing): Knowledge of customer interactions, creating a culture of accountability, collaboration, and partnership. Ability to build an environment supporting customer value creation at every level.
• Operational Excellence: Understanding the system-driven processes for consistency and scalability. Ability to re-focus processes and systems from integration activity to maximizing a positive customer impact and anticipating future trends.

EEO Statement (Americas Only):

GTT provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, national origin, age, disability, or genetics. In addition to federal law requirements, GTT complies with applicable state and local laws governing non-discrimination in employment in every location in which the company has facilities. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.

GTT expressly prohibits any form of workplace harassment based on race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, genetic information, disability, or veteran status. Improper interference with the ability of GTT’s employees to perform their job duties may result in discipline up to and including discharge.