Experience

South African Weather Service

• South Africa
• Environmental Services
• 100 - 200 Employee

• Specialist: Radar Systems

  • Apr 2018 - Present

  Software development in Python, R, C++, Delphi, PHP, and HTMLMaintenance database systems using MySQL and PHPInstallation of Linux, Apache, MySQL, PHP (LAMP) stack.Scripting in Python and RMachine Learning, Big Data AnalyticsApache Hadoop, Apache Spark, Map-reduce, Cloud computing Research on the impact of Wind Energy Farms' interference on Weather RadarsWind and Solar farm site approval and identification Research on interference of 4G radio communication, as well as Wi-Fi technology on weather radars.Develop radar monthly maintenance plans and activities Plan, schedule and manage the execution of Radar maintenance activities Analyse Radar performance, maintenance outputs and impact of maintenance Monthly reporting on Radar performance and equipment availability Plan resources and ensure optimum utilization Analyse Radar failures and provide recommendations Ensure the execution of calibration and verification plans of Radar instruments Manage maintenance activities, reporting and support of regional Technologists Provide support to regional Technologists on Supply Chain Management (SCM) processesincluding spare parts management and dispatching of spares to different regions Manage procurement processes as well as provide feedback and reports to regions Manage adequate stock levels and reports of radar inventory and minimum levels as per agreedquantities of spares Develop and implement Radar Management and Maintenance Plans Develop and provide radar reports, analysis and interventions to improve radar performance Provide gap analysis and solutions for improvement of radar processes Show less

• Chief Technologist

  • Aug 2017 - Apr 2018

  • Develop, execute, control and monitor planned and unplanned maintenance schedules/plans for technical services.• Radio optimization and network planning and VSAT communication system• Radio links Configuration and installation for remote systems • Performed maintenance and calibrations on weather radar systems and all peripheral equipment and provide regular feedback to the manager.• Represent South African Weather Service on spectrum management meetings held by ICASA• Optimization of weather radar network infrastructure availability through effective preventative maintenance management• Provide technical support to client and colleagues regarding any technical queries.• Perform site surveys as well as the expansion of the network, for the new installations of South African Weather systems• Perform repairs on the faulty electronic Weather Observation infrastructure.• Maintenance and upkeep all technical documentation for all technical infrastructure.• Ensure procurement policies and procedures are compliant to Supply Chain Management (SCM) • Keep abreast of and report on the serviceability of, as well as availability and quality of data from the electronic Weather Observation network.• C/C++ Embedded systems programming and perform firmware upgrades to Weather systems.• Design C++ graphical user interface using Qt Creator, Delphi XE8 and Delphi 7• PLC programming, troubleshooting safety PLCs and fieldbus system. • Develop project plans and engineering of new product for research and development department • Designing production sequence and process flow diagrams for development of new products and upgrading of existing products • C/C++ Software development and testing.• Develop website applications using HTML, PHP.• MySQL and Maria DB database maintenance Show less

• Senior Technologist

  • Apr 2011 - Jul 2017

  • Develop project plans and engineering of new products for the research and development department • Designing production sequence and process flow diagrams for development of new products and upgrading of existing products • Software development and testing.• Development of graphic-based user interface applications• Develop, execute, control and monitor planned and unplanned maintenance schedules• Radio links Configuration and installation for remote systems • Performed maintenance and calibrations on weather radar systems and all peripheral equipment and provide regular feedback to the manager.• Optimization of weather radar network infrastructure availability through effective preventative maintenance management• Provide technical support to client and colleagues regarding any technical queries.• Perform repairs on the faulty electronic Weather Observation infrastructure.• Maintenance and upkeep all technical documentation for all technical infrastructure.• Ensure procurement policies and procedures are compliant to Supply Chain Management Show less



GEW Technologies

• South Africa
• Defense & Space
• 100 - 200 Employee

• System Technician

  • Jun 2010 - Mar 2011

  • System level maintenance and servicing on all Grintek Ewation equipment. • Installation and maintenance of computer networks. • Software installations (including operating systems). • High level preventative maintenance on Direction finding & Communication systems, including computer hardware & Software Training on Maintenance to clients Diagnose and Repair of equipment level faults in the field. • Repair/maintenance and testing of HF/UHF Military Receivers, Active Antennas and other related RF equipment Show less



Imfuyo Rail Technology

• Johannesburg, Benoni

• Electronic Technician

  • Oct 2008 - May 2010

  • Repair of Power Electronics systems supplied by IMFUYO in the Rail Sector such as: o 3 phase drive systems o Traction controllers o 10KV Sine wave inverters. o Train braking systems (exhausters) o High Power DC chargers. • Repair from board level (component level) to system level using electronic equipment such as oscilloscopes, multimeters, RLC meter, Logic analyzer, and Current clamp meters. • Attend to field repairs. • Calibration of test equipment. • Test Jig maintenance • Qualification of new engineering designs and changes in designs. • Carrying out of minor design changes which require documentation follow up. Show less



South African National Space Agency

• Space Research and Technology
• 1 - 100 Employee

• Electronic Technician

  • Aug 2006 - Sep 2008

  • Maintenance and upgrading of the HF radar for which HMO is responsible • Testing and calibration of HF transmitters, receivers, phasing matrix and power supplies • The maintenance and upgrading of the Ionosonde • Maintenance and upgrading of the HF radio equipment for the HMO’s science outreach activities • The purchase, design and upgrading of electronics equipment and the construction and/or integration of electronic subsystems for the HF radar in Antarctica • Antenna designing and testing • Splicing and testing fiber optic cables • The design, printed circuit board (PCB) layout, and construction of the electronic subsystems for magnetometer-based systems (such as Navy degaussing range, SAAF electronic compass test bench). • Serve as backup or assistant to the software technician. Show less



DEAT

• Antarctica, SANAE

• HF Radar Engineer

  • Dec 2006 - Feb 2008

  • Maintenance and upgrading of the HF radar, which is a part of Super Dual Aurora Radar Network in Antarctica • Software installations • Data management • Data analysis • Maintenance of log-periodic antennas • Testing and calibration of HF transmitters • Fault-finding and calibration of receivers • Fault-finding on PC boards up to component level • Electronic workshop stock taking • Repairs on switch mode power supplies • Maintenance Microwave satellite links • Maintenance and upgrading of the HF radar, which is a part of Super Dual Aurora Radar Network in Antarctica • Software installations • Data management • Data analysis • Maintenance of log-periodic antennas • Testing and calibration of HF transmitters • Fault-finding and calibration of receivers • Fault-finding on PC boards up to component level • Electronic workshop stock taking • Repairs on switch mode power supplies • Maintenance Microwave satellite links



OTB - Denel

• Western Cape, Bredasdorp

• Electronic Technician

  • Jan 2003 - Jul 2007

  • Maintenance and upgrading of Microwave, UHF and VHF radio links • Installation of VHF, UHF and Microwave radio repeaters • Testing of VHF, UHF and Microwave antennas • Maintenance and upgrading 32 channel multiplexing unit • Maintenance and upgrading of the digital optical terminal • Doing repairs on laser transmitters, video transmitters • Repairs on speech + data units, codec cards, E&M cards, alarm unit, muldex unit and tributary cards, interface cards, Data Above Video Transmitters, Data Above Video Receivers • Spicing and test of fiber optic cables • Making RF cables • Repairs on power supplies Show less