Experience

TOPIC Embedded Systems
• Netherlands
• Software Development
• 1 - 100 Employee
• Technical Specialist

  • Apr 2023 - Present


South African Radio Astronomy Observatory

• South Africa
• Government Relations Services
• 100 - 200 Employee

• Senior Scientific Programmer

  • Jul 2017 - Mar 2023

  Development contributions to data processing softwareDesign and development of modelling software for astronomy analysis and researchDesign and development of automated scientific systems for astronomy and telescopesResearch and development related to multi-wavelength and transient search across SA telescopesPI, writing, presenting and validating MeerKAT science proposals, data processing and student supervisionUC Berkeley and MeerKAT SETI research SA team, plus system/integration developmentRadio astronomy education leading the SARAO winter school workshops and building the SARAO E-learning facilities.Part of development teams building smaller student available telescopes. Show less

• Junior Commissioning Scientist

  • Jun 2013 - Jun 2017

  Extension of applications between radio astronomy and other engineering/space science needsSETI research and algorithm developmentCollaborative projects related to data processing, modeling and automation of scientific systemsIntegration of systems and commissioning of the MeerKAT and SKA SA radio telescopes.

• DSP Specialist

  • Jan 2008 - May 2013

  Signal processing research and development:- Application of models and development of evaluation methodology to validate system specifications and adherence to implemented specifications; - Development of algorithms and mathematical (statistical) models to map predicted data processing requirements to digital backend architecture of choice; - Investigate achievability of science goals using digital backend architecture of choice. - Characterizing dependencies and sensitivity of model parameters to changes in system specification and distortion due to radio signal interference; - Development of proof of concept models as required, and participation in limited outreach activities with SKA SA Show less



South African National Bioinformatics Institute (SANBI)

• Research Services
• 1 - 100 Employee

• Scientific Programmer

  • Oct 2006 - Nov 2007

  Scientific system: Software design, development and implementation - http://bushman.sourceforge.net/ Web interface and quality assurance tool for biological sequence assembly to help process chromatograms Scientific system: Software design, development and implementation - http://bushman.sourceforge.net/ Web interface and quality assurance tool for biological sequence assembly to help process chromatograms



Intec Billing / Acuo Technologies

• Programmer

  • Jan 2006 - Oct 2006

  System Software Development System Software Development



E2 Consultants

• New Zealand

• Scientific Programmer

  • Jun 2004 - Jan 2006

  Scientific system: Software design, development and implementation - http://dip.sun.ac.za/~rooyen/Projects/projlst.html A Satellite Survey of Cloud Cover and Water Vapour in Morocco and Southern Spain and a Verification Using La Palma Ground-based Observations Scientific system: Software design, development and implementation - http://dip.sun.ac.za/~rooyen/Projects/projlst.html A Satellite Survey of Cloud Cover and Water Vapour in Morocco and Southern Spain and a Verification Using La Palma Ground-based Observations



ISS International

• Switzerland
• Security and Investigations
• 1 - 100 Employee

• Assistant Consulting Scientist

  • Aug 2005 - Dec 2005

  Numerical Modelling: Implementation of a direct solver for boundary element systems Implementation of direct solution to boundary element model solution to seismic data sets, using the HSS matrix algorithms Numerical Modelling: Implementation of a direct solver for boundary element systems Implementation of direct solution to boundary element model solution to seismic data sets, using the HSS matrix algorithms



iThemba LABS

• South Africa
• Research Services
• 100 - 200 Employee

• Science Officer

  • Jan 2002 - May 2004

  Medical Radiation Group: A novel approach to computer vision for a new proton therapy system Medical Radiation Group: A novel approach to computer vision for a new proton therapy system



University of Stellenbosch / Applied Mathematics

• Temporary Lecturer and Research Assistant

  • Jan 2000 - Dec 2001

  Lecturing and research related to linear algebra Lecturing and research related to linear algebra



South African Astronomical Observatory

• South Africa
• Research Services
• 1 - 100 Employee

• Research Fellowship

  • Jan 1998 - Dec 1999

  MSc project on gravitational microlensing research as part of the PLANET project MSc project on gravitational microlensing research as part of the PLANET project