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Packet Core Engineer

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Date: Oct 13, 2021

Location: Port of Spain, TT

Company: Digicel

About Digicel



As a Digital Operator, Digicel is in the business of delivering powerful digital experiences 1440 minutes of each day to customers – that’s every minute, all day, every day.


Through its world-class LTE and fibre networks, together with its suite of eight (8) apps spanning sports (SportsMax), music (D’Music), news (Loop), local radio and podcasts (GoLoud), TV streaming (PlayGo), enhanced messaging and marketplaces (BiP), cloud storage (Billo) and self-care (MyDigicel app), Digicel is the only operator in its markets that can deliver that.


Serving consumer and business customers in 32 markets in the Caribbean, Central America and Pacific, its investments of over US$7 billion and a commitment to its communities through its Digicel Foundations in Haiti, Jamaica, Papua New Guinea and Trinidad & Tobago have contributed to positive outcomes for over 3 million people to date.


With its Better Together brand, Digicel is making a promise of simply more to customers and communities and its 7,000 employees worldwide work together to make that a powerful reality day in, day out.


Visit www.digicelgroup.com for more.

Job Title: Packet Core Engineer

Location: Trinidad & Tobago



Primary objective of the job: 


As the Packet Core Engineer, you will be responsible for the planning, design, configuration and troubleshooting of the Packet Core and MPBN IP Network. You will also perform daily operations and maintenance on systems providing mobile data services and shall support external departments to resolve faults and customer care issues within acceptable timeframe. You will have knowledge and experience in Packet Core Network systems including MME, EPG, DNS, PCRF, Radius, IP Networks and Deep Packet Inspection solutions.



Main Duties and Responsibilities:



  • Customer Focus: Continuously seeks and capitalizes on opportunities to exceed the expectations of customers (internal and external) by placing a keen interest on understanding and effectively resolving customer-impacting issues in a professional and result-oriented manner. Takes ownership of all customer issues till resolved. Positive attitude and dedication to improve the customer’s experience.

  • Network Design: Design the Packet Core Network which includes the Mobile Data Network and the MPBN IP Network to support Mobile data services (eg. LTE/WCDMA Data, Corporate APNs, VPN Solutions) and Network connectivity from Core Network elements (e.g. IP Core, MSC, HLR, MME, EPG) to the wider IP network. Engineer should also be able to design packet inspection and classification systems and policies to support specific data plans and promotions.

  • Node Configuration: Perform configuration of Packet Core nodes (e.g. MME, EPG, DNS, PCRF, Radius) for customer internet, IP Network nodes (e.g. Routers, switches and Firewalls) for OSPF, BGP, MPLS and Deep Packet Inspection Solutions (e.g. Sandvine/PCRF) for data plans.

  • Operation and Maintenance: This Packet Core Engineer has the knowledge and expertise to develop systems and procedures geared towards the maintenance of the MPBN and Mobile Data Network to ensure it is functioning as per design and the availability of the network with minimum downtime.

  • Network Troubleshooting: Investigate, troubleshoot and restore any customer service outages for data and any IP Network Connectivity for the Core Network. Performed detailed analysis to determine root cause and follow up activities.

  • Network Analysis and KPIs: Preparation and analysis of KPI reports reflecting the state of the network to the business and other stakeholders. Performs monthly capacity planning and reviews Packet Core network design based on these to suggest optimization methods.

  • SLAs: Work with and support Technology Operations to ensure all SLA targets are met or exceeded.

  • Quality of Service: Develop Quality of Service design and configuration for all services across the Packet Core Network to ensure that low latency services and critical traffic receives the appropriate bandwidth.

  • Network Processes: Develop and implement the Availability, Capacity and Continuity Processes for the MPBN and Packet Core Network and all relates services.

  • System Records: Create documentation for high level design and low level design and any installed base records. Create configuration management system, training manuals and troubleshooting processes for all node configurations.

  • System Monitoring:  Create and monitor Core Data/IP dashboards which clearly define service performance trends and functional performance of the MPBN and Packet Core network. Monitor this dashboard as part of operational routines for detection of issues and capacity planning

  • The duties listed above are intended only as illustrations of the various types of work that may be performed. The omission of specific statements of duties does not exclude them from the position if the work is similar, related or a logical assignment to that position.

  • Working safely is a continuing condition of employment. Digicel (Trinidad and Tobago) Ltd. is committed to establishing and maintaining a safe and healthy working environment and considers safety to be an integral aspect of every job function. As a condition of your employment, you will be required to observe and fully comply with all HSE rules / policies / procedures and applicable legislative provisions as well as wear the appropriate Personal Protective Equipment (PPE) where and when applicable.




Academic qualifications and experience required:



  • Bachelor’s Degree in Electrical, Electronics, Engineering or Computer Science, Software Engineering

  • A minimum of 2-3 years’ of experience in a similar environment.

  • Knowledge of IP Networks, OSPF, BGP, MPLS

  • Programming Experience

  • Training or mentoring experience would be an asset.

  • Cisco Certified Network Professional (CCNA)

  • An acceptable combination of academic qualifications and work experience may be considered in lieu of minimum requirements.




Functional Skills:


  • Attentive to detail

  • Self-motivated and result-oriented approach to work

  • Strong organizational skills

  • Ability to multi-task and deliver against competing priorities

  • Ability to build strong relationships and work as part of inter-disciplinary teams

  • Ability to strive in a fast-paced and demanding service environment

  • Able to operate autonomously and demonstrate initiative in problem solving, decision making and proactive approach to job.

  • Confidentiality and trustworthiness.

  • Initiative and resourcefulness in the conduct of duties.

  • Strong communication (oral and written) and interpersonal skills.

  • Ability to relate to a diverse working environment.





This job description indicates the general nature and level of work expected of the incumbent.  It is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities required of the incumbent.  Incumbent may, and probably will be asked to perform other duties as required.  Each employee, regardless of classification, is required to maintain a safe, orderly and clean workplace, using safety precautions and observing safety rules at all times

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