Experience

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  Reflex Solutions

  • City of Johannesburg, Gauteng, South Africa

  • Senior RAN Engineer

    • Sep 2021 - Present
    • City of Johannesburg, Gauteng, South Africa

    Designing, deploying, and managing in-building connectivity assets, and lease network infrastructure to multiple service providers for long-term recurring multi-tenancy revenue.

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  Netlife SaaS

  • City of Johannesburg, Gauteng, South Africa

  • Senior Technical Business Analyst

    • Apr 2020 - Aug 2021
    • City of Johannesburg, Gauteng, South Africa

    Subject Matter Expert on a wide range of Telecommunication products and solutions (Huawei, Ericsson, Nokia).

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  Ericsson

  • Lead Network Performance and Optimisation Engineer

    • Jun 2019 - Mar 2020

  • Lead Network Solution Design and Optimisation Engineer

    • Dec 2018 - Jun 2019

    - Lead solution architect for Airtel wireless networks in Rwanda - Successful Implementation of MOCN as part of Network Consolidation- Responsible for Final Network Acceptances by meeting Coverage and KPI requirements- Successful Implementation of MORAN- Successful RAN Modernisation of 375 Sites - Partnered face to face with customers to close on solution requirements- Generation of detailed functional and technical solutions to customers' needs- Suggesting parameter changes, features for KPI improvement on the GSM and WCDMA network.- Provide a Global Overview of the network status, identifying all potential actions to improve the network- Handling customer complaints and provide solution with proper explanation and reports- Recommend and Implement physical changes to improve coverage and reduce pilot pollution, interference, and overshooting. - Conceived a centralised reporting mechanism used by customers and Ericsson personnel alike as their first stop in gauging the health of the system- Monitoring of G900 Re-farming activity for U900 activation.- Responsible for compliance with regard to installation and compliance with quality standards & regulations- Management of installation contractors and company approved subcontractors- Consistency checks, tuning and optimisation to improve throughput, Accessibility, Retainability and Mobility

  • Network Solution Design and Optimisation Engineer

    • Feb 2018 - Dec 2018

    - Award of Distinction from the organization's chief technical officer for successful project delivery- Successful Implementation of 3rd and 4th Carriers on 200 sites- Successful implementation of U900 Carrier on 764 sites in Rwanda MTN- Successful Optimisation, Tuning and acceptance of 764 sites in Rwanda MTN- Responsible for Final Network Acceptances by meeting Coverage and KPI requirements - Suggesting parameter changes, features for KPI improvement on the GSM and WCDMA network.- Provide a Global Overview of the network status, identifying all potential actions to improve the network- Handling customer complaints and provide solution with proper explanation and reports- Recommend and Implement physical changes to improve coverage and reduce pilot pollution, interference, and overshooting. - Monitoring of G900 Re-farming activity for U900 activation.- Parameter consistency checks, tuning and optimisation to improve throughput, Accessibility, Retainability and Mobility- Engagement with Optimisation teams and GSCs to plan and coordinate common activities and develop synergies for common goals- Customer engagement in technical discussions to understand customer requirements and propose strategic advice and direction.- Drove improvements that eliminated random failures during high volume events

  • Network Tuning and Optimisation Engineer

    • Dec 2017 - Feb 2018

    - Delivered 190 Sites for acceptance for the Multi Sector Project- Feature and Parameter Consistency checks and correction of Multi sector U2100 sites- Neighbour Optimisation on existing and new sectors- Recommend and Implement necessary features to improve site performance- Recommend and Implement physical changes to improve coverage and reduce pilot pollution, interference, and overshooting - Traffic observation and alarm handling in liaison with the integration and filed teams- Tuning and optimisation to improve Accessibility and Retainability- Drive site acceptances for the Multi Sector Project

  • Lead LTE/UMTS/GSM Network Tuning and Optimisation Engineer

    • Feb 2017 - Dec 2017

    - Lead Benchmarking exercise between 3 operators in 3 Regions for GSM, WCDMA and LTE networks- Generate Benchmarking scope and test scenarios for Service Providers. - Provide first line technical support for TEMS and NEMO to Drive Test Service Providers.- Lead the generation and evaluation of Drive Test Logfiles and Reports- Progress monitoring and reporting of the Drive Test Service Providers daily- Benchmarking Results, Presentation and tracking - External Customer (MTN South Africa) Interfacing for all Drive Test Requirements- Internal Customer (Ericsson South Africa) Interfacing for all Drive Test Requirements- Drive Tests Cluster design for Benchmarking and Ad-hoc Drive tests- Drive Tests Cluster Routes design for Benchmarking and Ad-hoc Drive tests- Customer and Internal Drive tests requirements evaluation and alignment- Lead Pre-Post DT for G900 and G1800 Refarming activity for U900 and LTE CA activation.- Lead Pre-Post DT for 4X4 MIMO activation on LTE- Lead Propagation Model Tuning DTs with scanner for LTE planning with ECO- Monthly Reporting of Benchmarking Results to MTN South Africa- PAC report generation and sign-off with MTN South Africa for monthly BM activities- Provide Tuning and optimisation support for Catapult Project Clusters to meet KPI target- Provide technical support in customer discussion, presentation, and workshops- Implementation and performance monitoring of the CSFB Feature- Implementation and performance monitoring of the VOLTE Feature

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  Huawei Mobile South Africa

  • South Africa
  • Information Technology & Services
  • 100 - 200 Employee

  • LTE/WCDMA/GSM -Team Lead Network Planning and Optimisation Engineer

    • Dec 2015 - Dec 2016

    - Huawei Managed Service Program – Orange customer interface for Optimisation and Network Incident Handling- Participate in contractual KPI targets and exclusions negotiation for Orange/Tigo merger project on behalf of Huawei Managed Service Program DRC- Weekly and Monthly Network Performance reporting Orange CTO and Heads of Departments- Leading 2G, 3G and LTE Optimisation team to achieve Orange Network and Cluster Level KPI Targets.- Manage 3rd Party Partners (3PP) for Field Testing and VSAT Links to guarantee network quality- ZTE RNC, BSC and SDR upgrade project verification and validation- Verify Single Site Verification (SSV), Performance and Tuning Reports for New Site Built (NSBs) and Carrier Upgrades acceptance- Lead and follow-up on approval for Log file analysis, physical RF and soft parameter changes with Orange Planning team and 3rd Party Partner for Field Test.- Responsible for daily monitoring and analysis of target key LTE KPI's: RAB/RRC Setup Success Rate, CSSR, CDR, and Radio Network Unavailability Rate, HHO Success Rate, and IRAT PS Redirection Preparation success rate, S1 Sig Setup Success Rate, CSFB Response Success Rate, DL PRB Usage Rate, DL and UL Traffic Volume on U2000.- 3G performance KPIs optimisation and improvement.- GSM/UMTS Neighbour planning, re-selection parameter settings and Traffic sharing between 2G-3G RATs.- GSM/UMTS Capacity Monitoring and recommendation for Carrier Upgrades, NodeB resource expansion, coverage sites, Transmission link expansion and Controller resource dimensioning and/or expansion.- Neighbour addition/deletion, BCCH/BSIC changes, CRH, CRO, PT, Access min, PBGT & Quality HO margins, Load HO margin parameter optimisation to avoid penalties with the regulator- GSM/UMTS Feature recommendation and implementation

  • LTE/WCDMA Network Planning and Optimisation Engineer

    • Jan 2015 - Dec 2015

    - Optimisation of load control algorithms for various types of CS & PS Congestion (code, power, CE congestion). - Optimisation of cell selection and re-selection algorithms according to subscriber density, traffic requirement and cell coverage area for load balancing between 4 Carriers (U900 and U2100). - UMTS Network Post-Launch optimisation for U900 new site built and U2100 3rd Carrier Upgrades.- Achieve and maintain the Radio Network Performance as per the contracted KPIs thresholds. - OMSTAR PCHR and MR analysis for CS and PS drop call optimisation, neighbour analysis and handset profiling. - 2ms/10ms TTI parameter optimisation for coverage, capacity and throughput optimum HSPA performance- Creating Single Site Verification (SSV), Modernisation and Tuning Reports for New Site Built (NSBs) and 3rd Carrier Upgrades- Customer Complaint Handling - Handover neighbour strategy optimisation for multi-carriers (U2100 and U900) - Load Sharing features (IFLS/Directed retry/HSDPA IFLS) and New feature implementation and optimisation - Troubleshooting for TX/RAX boards, RSSI, VSWR issues affecting network performance.- Proactive system resource monitoring, capacity planning and capacity bottleneck using FACTS.- Use SQL queries to get data from performance database

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  Econet Telecom Lesotho

  • Maseru, Lesotho

  • Lead Radio Network Planning and Optimisation Engineer

    • Jun 2014 - Dec 2014
    • Maseru, Lesotho

    - Responsible for post-processing drive test data, perform preliminary analysis and provide action plans to improve the radio network performance using TEMS- Design and implementation of 21Mbps expansion on HSDPA for 60 sites- Analysing GSM and WCDMA/HSDPA Radio Network Statistics using Excel- 3G RF Capacity and Expansion planning for Channel Element addition, E1 addition, 2nd carrier addition & HSDPA/HSUPA licenses to avoid congestion - Achieve & maintain the Radio Network Performance as per the contracted KPIs (Accessibility, Retain ability, Mobility & Service Integrity). - Maintain a comprehensive database and track all network changes using ASSET planning tool- Conducting traffic analysis and proposing expansions as per capacity needs (Cell capacity planning and redesign)-Evaluate and adapt new methods and technologies regarding Radio Network Optimization, Features, Trials and Tuning. - Responsible for Inconsistencies Checks, Packet Throughput, Parameter changes & Physical changes. - Responsible for testing and acceptance of the radio performance for the newly integrated sites. - Participate in technical discussions with the customer in order to gather product-related information. - Knowledge transfer to young engineers in the team by holding seminars and presentations of new or enhanced products and functionality.- Worst cells analysis & recommendations on daily basis to improve the QOS for both 2G & 3G cells

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  Econet Wireless Zimbabwe

  • Harare, Zimbabwe

  • Radio Network Planning and Optimisation Engineer

    • Apr 2008 - May 2014
    • Harare, Zimbabwe

    - Performing analysis of existing Radio network performance statistics against set KPIs and best practice.- Performing audits network configurations against set network baseline- Conducting technical site surveys for Radio Network. - Responsible for post-processing drive test data, perform preliminary analysis and provide reports that summarise the drive test KPIs. - Responsible for planning drive test routes intended to be used by drive test teams for collection of data in the GSM, UMTS and LTE networks. - Reparenting and rehoming of sites for traffic balancing, paging and location update load optimisation - Validate drive test WCDMA and LTE coverage footprint against designed coverage - IBS initial tuning and Optimisation for 26 IBS sites to improve Indoor coverage - Participating in the acceptance testing of Radio and Network nodes and tools and recommends necessary action. - Generating and maintains Radio network records and ensures integrity of the Radio Network Database System using TEMS cell planner- Planning 21Mbps DL and 5.7 UL for HSPA+ on 100 sites in Harare- Spectrum Reframing on 100 900Mhz band sites for LTE - Delivered 15 site LTE Trial Project - Taking lead in rehoming projects, congestion relief projects both 2G and 3G

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  Telecel Zimbabwe

  • Harare, Zimbabwe

  • Trainee RF Planning and Optimisation Engineer

    • Aug 2007 - Mar 2008
    • Harare, Zimbabwe

    - Produce optimisation reports using Huawei M2000, NETACT Report Builder and Report Suite - Using GENEX for cell planning and frequency optimisation- Analysing traffic trends and troubleshooting for problematic cells. - Nominal Cell Planning using GENEX- Maintain planning and physical parameter database using excel