Job Opportunities at Airtel Nigeria

Key Accountabilities
PS Core, Operations to ensure Uninterrupted Voice and Data Service Delivery:

• Perform day to day operations & management, fix alarms and resolve incidents, prepare daily health check status and report to TL
• Perform Change Management, performance & optimization through O&M and Performance Management processes 2
• Ensure all Faults, Trouble Tickets & Incidents are recorded and addressed within SLAs. Documentation of all such events are prepared with RFO, RCA and RCF. Weekly and monthly report of such incidents are prepared to do analytic study on them by TL and reduce incidents
• Implement all BISP related tasks and perform duties within BISP framework.
• Perform NOC integration for alarm reporting & escalation.
• Execute patches and support update/upgrade process
• Perform ATP, UAT on services and nodes
• Support TSG team in resolving customer complaints

Update Documentation:

• Update Solution document, HLD, DLD, LLD along with Network Diagram
• Keep document management updated

Capacity Optimization, Availability & Performance Management:

• Perform adequate day to day capacity optimization, of all nodes, interfaces MPC/EPC & AAPCN related Nodes - in accordance with network growth and projections.
• Continuously being the loop of the network traffic, licenses, trends and various parameters to ensure the Network elements are operating as expected. Where required, take corrective action with input from TL and Group Planning team

Support in Expansion & Evolution of Core Network:

• Understand the business requirements and impact on the IP backbone and data network infrastructure.
• Support expansion of nodes well in advance. .
• Support evolution of AAPCN to best industry practices.

Employee Engagement:

• Maintain high Team Harmony and Engagement at all times with both internal and external teams and stakeholders

Vendor/Partner Engagement:

• Ensure that the Vendor Customer Support and supplier vendors are engaged at all times to deliver high quality output expected first time right.

Educational Qualifications & Functional / Technical Skills

• Bachelor's / Master's Degree in Telecommunication / Electronic Engineering  / Computer Science
• Detailed working Telecommunications Knowledge
• Analytical and Presentation skills
• Detailed understanding of IP/MPLS and its role in the Telecommunications industry.
• A basic understanding of 3GPP /ITU-T and ETSI standards is required.

Relevant Experience:

• 2-5 years hands-on working experience in large Mobile Network Operator with the MPC or EPC domains.
• Multivendor experience - Including experience with Charging nodes interaction in data networks.
• Good understanding of the commercial deployment of EPC/LTE, which could includes hands-on operations, test and/or deployment. Understanding of the evolution of 3G networks moving towards 4G.
• Detailed understanding of IP technology
• Tracing and analysis acumen and experience on end to end E2E service flow.
• Experience on Sy, ESy, Pre-Sy, PCRF interactions with Charging System
• Experience of deployment of key network systems through the delivery life cycle from initial design to full operational handover
• Experience in measuring and analyzing network KPI ‘key performance indicators’.

Other requirements:

• Personal Integrity and good interpersonal relationship
• Highly organized and good at implementation
• Self-motivational skills
• Good analytical and problem solving skills.
• Good practical skills in troubleshooting and fault resolution for supporting operations teams as an escalation point.

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Job Purpose

• This role is expected to act as the representative for business, technical and other functional requirements in Packet Core solutions to support Mobile Data services.
• The function will define the optimal topology of the packet core network to meet premium service level agreements and industry architecture for next generation Packet switched networks
• Also expected to evaluate network design and define best criteria and guidelines with partners for capacity management and dimensioning of the PS core network
• In addition would ensure delivery of PS projects to agreed SLAs whilst exploring the most efficient ways to realize new business requirements placed upon the 2G/3G/4G Mobile Core Network which includes but not limited to voice and data.

Key Accountabilities
PS Core Planning and Architecture:

• Analyze business requirements and processes before converting ideas into a solution design; where required, research into new technology/features in Telecommunication industry with regards to Mobile Data services.
• Liaise with partner teams, Airtel HQ and other departments to assure optimal data network architecture adapted to local traffic profile, implementation and deployment of key networks systems through the full delivery life cycle from initial design to full operational handover.
• Ensure projects are aligned with the Annual Operating Program (AOP) specifications
• Ensure that all nodes within the Packet core network are functioning as per the business and network requirements.
• Provide a pathway towards evolving PS Core network in line with 3GPP Roadmap

Detailed and Effective Documentation:

• Ensure that the project related documentation reflects a fit-for-purpose design and complies with the contractual vendor requirements.
• Coordinate and review Vendor documentation in the form of SD, HLD and LLD designs prepared to include technical functionality, platform design and platform integration with relevant network elements.
• Prepare and update network designs to reflect most recent changes in Network architecture/capacity.

Capacity Planning and Optimization:

• Perform adequate dimensioning, of all interfaces of EPC related Nodes and add-on solutions - in accordance with network growth and business projections.
• Continuously monitor network traffic, licenses, trends and various parameters to ensure the Network elements are operating as expected. Where required, take corrective action with input from Operations and performance teams.
• Effective understanding of Operational and Business support systems (OSS/BSS) for performance reporting, Key performance indicator (KPI) monitoring and tuning for effective end to end planning of data services.
• Periodical audit and optimization of Product-related configurations on the Deep Packet inspection (DPI) node to avoid data fraud and over/undercharging of data services
• Periodically revise and optimize signaling traffic towards charging system and other peer nodes.

Expand & Evolve Core Network:

• Understand the business requirements and impact on data network infrastructure.
• Responsible for planning all expansion of nodes well in advance.
• Plan evolution of PS core network to best industry practices.

Employee Engagement:

• Provide consultation services to relevant business units including Liaising with Marketing and IT for better understanding of proposed services.
• Hold necessary Kick off meetings with stakeholders where/when required.
• Always maintain high Team Harmony and Engagement with both internal and external teams and stakeholders.

Vendor / Partner Management:

• Ensuring that Internal Operations and Vendor Team deliver projects to the high quality expected first time right.
• Hold recurrent

New Initiatives:

• Explore new initiatives which meet business requirements by developing and delivering cost efficient delivery plans of proposed solutions.
• Technology assessments and POC trials (RFI/RFP/RFQ). Verification of solutions before roll-out.

Time Management:

• Prioritize self-workload as required to meet the fluctuating demands of business and requirements from other stakeholders.

Educational Qualifications & Functional / Technical Skills

• Bachelor's / Master's Degree in Telecommunication / Electronic Engineering / Computer Science
• Comprehensive understanding of Mobile Packet Core from a design, optimization, and evolutional perspective.
• Strong Analytical and Presentation skills
• Knowledge of 3GPP/GSMA standards
• Detailed knowledge of Diameter Routing and Data Analytics platform
• Understanding of NFV and Native Cloud Operations

Relevant Experience:

• 6 - 8 years of work experience in large Mobile Network Operator within the PS core domain
• Multivendor experience HUAWEI, ERICSSON platforms is preferred
• Hands-on Experience with Ericsson PS core nodes will be an added advantage.
• Good Experience with Project deployment of key network systems from initial design to full operational handover
• A thorough understanding of Network KPIs and their use

Other Requirements:

• Personal Integrity and good interpersonal relationship
• Personal tenacity to succeed
• Must have excellent organizational and communication skills.
• Highly organized and good at implementation
• Time management skills with commitment to project timelines.
• Self-motivational skills
• Good analytical and problem solving skills.
• Good practical skills in troubleshooting and fault resolution for supporting operations teams as an escalation point
• Professionalism in delivering daily services
• Innovative and Entrepreneurial in managing challenging situations.