Rian (Gerrit) Duminy B.Scs Email & Phone Number

South Africa

Software Development to create programs and scripts.Software programming skills (Delphi, VB, SQL, C++, QT, Linux, UNIX, XML, ASM assembler machine coding, AXE Plex and software tracing, AXE Scripting, HTML, CSS, Javascript, jQuery, Bootstrap 4, Wordpress, Python, PHP, WebGL, CAD/CAM, CNC GCODE).Telecoms GSM/UMTS Network skills (Circuit Switching, SS7, SIGTRAN, ISUP, BSSAP, CAMEL, ROAMING, MAP, INAP, BICC, RANAP, GCP, GSM, UMTS, MSS, BSS).Electronics Hardware Development,… Show more Software Development to create programs and scripts.Software programming skills (Delphi, VB, SQL, C++, QT, Linux, UNIX, XML, ASM assembler machine coding, AXE Plex and software tracing, AXE Scripting, HTML, CSS, Javascript, jQuery, Bootstrap 4, Wordpress, Python, PHP, WebGL, CAD/CAM, CNC GCODE).Telecoms GSM/UMTS Network skills (Circuit Switching, SS7, SIGTRAN, ISUP, BSSAP, CAMEL, ROAMING, MAP, INAP, BICC, RANAP, GCP, GSM, UMTS, MSS, BSS).Electronics Hardware Development, build prototype hardware projects using microcontrollers Arduino, ESP8266 and Raspberry Pi, writing software for microcontrollers, interfacing sensors and integrating hardware to computer systems.CAD designing using Autodesk Fusion 360 and Inventor to provide mechanical designs for 3D concept drawings of new products.CAM and CNC GCODE programming from CAD designs to program CNC industrial milling and turning machines to produce products, 3D Printing. Show less

South Africa

Engage with Network Operators to providing unbiased network services through experience and software tools in achieving optimal results.Services include:• Network Design• Network Audit & Benchmark• Network Performance Improvement• Project Management• Operations and Maintenance• Network Strategy and Advisory Consulting* Software Development to create programs and scripts to successful complete Core Network Audits (Delphi, VB, SQL, C++, XML, WinFIOl)*… Show more Engage with Network Operators to providing unbiased network services through experience and software tools in achieving optimal results.Services include:• Network Design• Network Audit & Benchmark• Network Performance Improvement• Project Management• Operations and Maintenance• Network Strategy and Advisory Consulting* Software Development to create programs and scripts to successful complete Core Network Audits (Delphi, VB, SQL, C++, XML, WinFIOl)* Configuration Audit MSC-Server, MSC Blade Cluster, Media Gateway (MGW), and BSS nodes to ensure elements are configured correctly, (eg. number tables, exchange parameters, trigger tables, cell data) and ensure nodes are performing optimally. Provide documented report and solutions to operator.* Hardware Audit (Core network elements and RBS nodes) from configuration data* Core Network Design support for GSM Operators* Core Network Performance monitor and provide solution documents for operators to implement* Proactive Support Services provided to operators for Core Network health checks. (Core network diagnostics and problem warning report for operators highlighting issues in network)www.icoretelecoms.co.za Show less

Gauteng

Core Network High Level Support (back office) for GSM 2G and 3G Network.Ensuring network is operating optimally and configured according to specification standards.* Audit MSC-Server, MSC Blade Cluster, Media Gateway (MGW), and BSS nodes to ensure elements are configured correctly, (eg. number tables, exchange parameters, trigger tables, cell data) and ensure nodes are performing optimally.* Back office support and troubleshooting for all core network elements related to 2G and 3G… Show more Core Network High Level Support (back office) for GSM 2G and 3G Network.Ensuring network is operating optimally and configured according to specification standards.* Audit MSC-Server, MSC Blade Cluster, Media Gateway (MGW), and BSS nodes to ensure elements are configured correctly, (eg. number tables, exchange parameters, trigger tables, cell data) and ensure nodes are performing optimally.* Back office support and troubleshooting for all core network elements related to 2G and 3G network* FNI testing new equipment, software and new services provided by vendors. Test and verify functionality* Initiate actions to optimize network (continuous improvement)* Provide High Level Support for multiple Africa operations remotely (Nigeria, Cameroon, Ghana, Swaziland)* Interface with Vendors ensure resolution for faults (CSR’s) raised.* System disaster recoveries of MSC, BSC, HLR, MGW and APG40 C/4* Configuration of Core Network Nodes i.e. MSS, BSS, MGW* Startup ,Testing and troubleshooting of APG43 & APZ 212 55* Troubleshooting of all the issue related to APG40 C/4 Windows 2003 & APZ 212 50 / 33c.* Configuration of B number tables, new routing cases and adding new routes.* Responsible for Acceptance test of various nodes from multiple vendors (Ericsson, Huawei)* Handover of Core Network Nodes to Core O&M Network Team* Good hands on experience of AXE architecture & operations.* Excellent knowledge of the network topology, its traffic handling capabilities and traffic characteristics.* Providing On Job Training for MSS, BSS staff. Show less

Lagos

High Level Support (back office) GSM 2G and 3G Core Network. Ensuring network operate optimally and configured according to specification standards.* Audit configuration MSC Blade Clusters, Media Gateway (MGW), HLR’s, STP’s and BSS nodes (number tables, exchange parameters, trigger tables, cell data).* Support for DCG to configure (create DT’s) and integrate MSC-Server, Blade Clusters and BSC-MGW nodes. Ensure configurations correct before traffic cut-over to minimize customer… Show more High Level Support (back office) GSM 2G and 3G Core Network. Ensuring network operate optimally and configured according to specification standards.* Audit configuration MSC Blade Clusters, Media Gateway (MGW), HLR’s, STP’s and BSS nodes (number tables, exchange parameters, trigger tables, cell data).* Support for DCG to configure (create DT’s) and integrate MSC-Server, Blade Clusters and BSC-MGW nodes. Ensure configurations correct before traffic cut-over to minimize customer down-time. After cut-over monitor elements and manage any problems raised.* CSR create and tracking with Ericsson support. FNI correction solution testing and network roll-out to ensure solutions are functional. * Critical fault and emergency attending and resolution to limit Core Network down time within business KPI’s. Prepare Incident Reports for service impact network failures.* Successful configured and integrated projects: > STEB upgrade to increase HSL Signaling hardware capacity for STP nodes. > Sigtran Signaling integration for HLR, STP, MSC-Server, IN platform and BSC network elements. > BSC-MGW Multi-Homing to improve overload in Virtual MGW and introducing Robust A-Interface. > Voice over IP using Nb Interface between MGW’s (Nb/IP). > Transcoder Free Operation for BSC’s (TFO). > MSC-S in Pool (MiP) and Duel Access of BSC & RNC to MiP. > Testing and Migration of M-MGW R6.0 GMPV4 high capacity node. > Camel STP customization to allow roaming on operators that does not support Camel Ver3. > Edge with Abis Optimization and Chiphering for BSC rollout. > BSC to SGSN Gb over IP interface integration. > BSC Abis over IP and A-interface over IP (AoIP) integration. > SGSN in Pool for BSC’s and RNC’s integration. > Blade Cluster FOA preparation and integration, monitor and operational functions. > Huawei BSC/RNC to Ericsson MGW with Robust A-Interface and Blade Clusters in Pool (MiP) configuration Show less

Lagos

* Ericsson AXE Core network support for HLR's, SCP's, STP's, MSC's, BSC's and MSS/MGW's.* Ericsson AXE Network investigations to improve network performance and quality.* Ericsson AXE BSC and MGW/MSC-Server testing and integration into network.* Sigtran signaling rollout across all network elements (HLR, STP, MSC-Server and MGW).

* Successfully configure and integrate BSC’s, MSC’s, GMSC’s, STP’s and HLR’s, 2G 3.1 MGW’s and MSC-Servers, 3G MGW’s and MSC-Servers.* Effectively Supporting and maintaining HLR’s, STP’s, MSC’s, BSC’s, GMSC’s, SCP’s, MSC-Servers, MGW’s and SS7 (2G and 3G network).* Prepare and write Data Transcripts for AXE elements (HLR / STP / MSC / GMSC / BSC / RBS / MSC-Server / MGW).* Hardware testing for new Ericsson AXE Nodes according to vendor documentation.* APZ software upgrade and… Show more * Successfully configure and integrate BSC’s, MSC’s, GMSC’s, STP’s and HLR’s, 2G 3.1 MGW’s and MSC-Servers, 3G MGW’s and MSC-Servers.* Effectively Supporting and maintaining HLR’s, STP’s, MSC’s, BSC’s, GMSC’s, SCP’s, MSC-Servers, MGW’s and SS7 (2G and 3G network).* Prepare and write Data Transcripts for AXE elements (HLR / STP / MSC / GMSC / BSC / RBS / MSC-Server / MGW).* Hardware testing for new Ericsson AXE Nodes according to vendor documentation.* APZ software upgrade and loading of corrections.* Ensure MTN SA operational structure on AXE systems are optimally integrated into network operations (best practice).* Ensure Data and Routing integrity, including switching requirements and new services implemented as per business requirements.* Ensure world class quality and 100% availability of Network and Services for MTN customers at all times that is most cost-effective.* Switch capacities monitored and expansion of links, signaling, AXE hardware and Processor upgrades.* Integrate operational requirements for new technologies and services that will be supported by Network Operations. * License file’s on 2G and 3G MGW’s loaded and all features and SCC’s are set correctly * On the job training and guidance to personnel improving competence and new staff training.* Standby and call-out duty for 2G and 3G network. * Successful completed projects: > APZ software upgrade and correction roll-out on network elements. > APG40’s system software upgrade from WinNT to Win2003 Server. > APZ hardware upgrade from APZ 212-30/33 to APZ 212-40. > APZ hardware upgrade from APZ 212-40 to APZ 212-50. > Team lead 2G and 3G Core Network MSC-Server MGW roll-out. > Team lead APZ R12.1 software and APG40 Win2003 upgrades. > Team lead Sigtran Signaling in HLR, STP and MSC-Server core network elements rollout. > Assist with integration and operation of MTN networks internationally (MTN Nigeria). > Hardware testing Ericsson AXE Nodes. Show less

* National Up/Downgrades/New Base Station Sites and implement to meet targets.* Successfully complete site reparentings according to schedule between BSC’s.* Successfully implement new Ericsson AXE nodes and integrate into the network with limited customer downtime (BSC’s and Remote BSC’s).* Hardware testing on new Ericsson AXE Nodes according to vendor documentation. * A-Interface and A-Ter Interface have sufficient capacity for traffic on BSC’s and remote BSC’s. * Prepare… Show more * National Up/Downgrades/New Base Station Sites and implement to meet targets.* Successfully complete site reparentings according to schedule between BSC’s.* Successfully implement new Ericsson AXE nodes and integrate into the network with limited customer downtime (BSC’s and Remote BSC’s).* Hardware testing on new Ericsson AXE Nodes according to vendor documentation. * A-Interface and A-Ter Interface have sufficient capacity for traffic on BSC’s and remote BSC’s. * Prepare and write Data Transcripts for new BSC’s, new Base stations, upgrades and Base station re-parenting’s. * New staff Training and Development in all aspects of BSS. * Provide Technical assistance to BSS engineers to improve staff competence.* Successful completed projects: > BSC APZ upgrade from APZ 212-20 to APZ 212-30. > Plan and successful rollout of APZ upgrades and IOG swop outs on BSS network elements. > Standardize SAE (CP memory Size Alteration) values and IOG hard drive volumes on BSC elements Show less

* Assist with Planning and Installation of New Ericsson AXE 501 Switches and Transmission Equipment.* Successfully integrate new Base Station Sites on BSC’s to meet national targets.* Ensure all Freq. plans / site reparentings are expedited according to schedule.* Carry out hardware testing and definition of hardware on new nodes according to vendor documentation.* Successful team to launch MTN Nigeria network.

* Monitor E1 link faults, list, resolve and keep track of issues in a format so that all CNO staff can use as a reference. * Outcome – improved network quality.* Monitor BTS availability stats, list, resolve and keep track of issues in a format so that all CNO staff can use as a reference. * Outcome – customer network availability.* Monitor C7 fault stats, list, resolve and keep track of issues in a format so that all CNO staff can use as a reference.* Monitor EOS dashboard… Show more * Monitor E1 link faults, list, resolve and keep track of issues in a format so that all CNO staff can use as a reference. * Outcome – improved network quality.* Monitor BTS availability stats, list, resolve and keep track of issues in a format so that all CNO staff can use as a reference. * Outcome – customer network availability.* Monitor C7 fault stats, list, resolve and keep track of issues in a format so that all CNO staff can use as a reference.* Monitor EOS dashboard faults and attended to immediately as and when problems are experienced.* Resolve Network Performance and Customer Service queries and clear in the shortest possible time.* Essential hardware and blocking supervision to be actioned immediately. No long outstanding issues to left unattended. (Potentially Network Affecting ) Show less

* Successfully maintain Ericsson AXE hardware (GMSC, MSC, BSC, HLR, FNR, MIN)* Successfully maintain DXX Network Equipment (Clusters, Subracks, 2Mb/s, Circuits)* Successfully maintain Base Station Sites on BSC’s (Support for NCC and Radio Engineers)* Completed general installations, upgrades and downgrades (Creation of RBS200 and RBS2000 on BSC’s, Upgrade/Downgrade of RBS sites on BSC’s, Wiring of 2Mb/s for sites and interlinks to DXX and MSC/BSC’s, Creation of C7 links, Traffic… Show more * Successfully maintain Ericsson AXE hardware (GMSC, MSC, BSC, HLR, FNR, MIN)* Successfully maintain DXX Network Equipment (Clusters, Subracks, 2Mb/s, Circuits)* Successfully maintain Base Station Sites on BSC’s (Support for NCC and Radio Engineers)* Completed general installations, upgrades and downgrades (Creation of RBS200 and RBS2000 on BSC’s, Upgrade/Downgrade of RBS sites on BSC’s, Wiring of 2Mb/s for sites and interlinks to DXX and MSC/BSC’s, Creation of C7 links, Traffic Routes and Dips between switches)* Maintaining AXE Switch Equipment – Ericsson 501 and 202.* Routine maintenance checks on Switches are completed successfully (Test loads, Capacity Sheets, Route Utilization, Exchange Dumps, Billing Backups). Show less

* Analogue Faults (localizing faults on transmission, local leads, analogue modems.* Diginet Faults (localizing faults on Diginet network, Diginet Automatic Crossconecting Equipment [ACE], Diginet Multiplexors, local leads, Network Terminating Units.* Saponet Faults (localizing faults on Saponet X25 Packet Switching network, X28 network, XXX network.* Martis DXX Faults (Testing and localizing faults on DXX Cluster, Subracks and STU’s)* Telex TDM faults on 927 Bit TDM’s and 4650… Show more * Analogue Faults (localizing faults on transmission, local leads, analogue modems.* Diginet Faults (localizing faults on Diginet network, Diginet Automatic Crossconecting Equipment [ACE], Diginet Multiplexors, local leads, Network Terminating Units.* Saponet Faults (localizing faults on Saponet X25 Packet Switching network, X28 network, XXX network.* Martis DXX Faults (Testing and localizing faults on DXX Cluster, Subracks and STU’s)* Telex TDM faults on 927 Bit TDM’s and 4650 TDM’s.* Provisioning of Analogue, Diginet and Saponet circuits on Remote Control Equipment (RCE) Database, Remote Access Test Equipment (RATS) Database, Tie cables to distribution frames and updating of elements on Unibase system.* Successfully construct Diginet ACE Switch, Multiplexors (Flexnet and EDM Muxes), Martis DXX Clusters and Subracks Nodes, RATS equipment and Saponet Siemens EWS-P Network. Show less

Bachelor Of Science Computer Science, Software Development

THEORETIC COMPUTER SCIENCE I INTRODUCT TO PROGRAMMING I (C++) INTRODUCT TO PROGRAMMING II (C++) COMP SYST:FUNDAMENT CONCEPS INTRO TO BUS.

National Diploma Electrical Engineering (Light Current), Electrical And Electronics Engineering, T3

Communication T1 Digital Systems T1 Electrical Engineering T1 Electronics T1 Engineering Science (L.C.)T1 Engineering Mathematics T1.

Gsm Wcdma, Ericsson Axe Hardware And Software

Ericsson System Expertise: Operation & Maintenance Platform in GSM Ericsson System Expertise: Operation Handling in GSM Ericsson System.

Education record

MTN Academy: Moving from Management to Leadership MTN Academy: Making Decisions Ethically MTN Academy: Effective Intercultural.

Education record

MDATA SOLUTIONS: Project Management Professional (PMP) TELEHORIZON: SIU Maintenance, Integration and Configuration TELEHORIZON: MSS Blade.

Telecomunications

Telkom SA Limited: A+ Certified Customer Satisfaction Telkom SA Limited: Core Network Foundations - 1 Telkom SA Limited: Core Network.

Bsc: Computing, Computer Programming