Experience

Ada Health

• Germany
• Hospitals and Health Care
• 200 - 300 Employee

• • Dec 2022 - Present

• • Oct 2020 - Present

• • Nov 2019 - Oct 2020



Testo

• Germany
• Appliances, Electrical, and Electronics Manufacturing
• 400 - 500 Employee

• Senior Site Reliability Engineer

  • Jul 2018 - Nov 2019



HERE Technologies

• Netherlands
• IT Services and IT Consulting
• 700 & Above Employee

• Senior devops engineer

  • Apr 2017 - Jun 2018



OLX

• Netherlands
• Software Development
• 700 & Above Employee

• • Mar 2016 - Mar 2017

  Embracing the values of being fast; empowered and open I have thoroughly enjoyed my time at OLX. My primary focus being the development of infrastructure tooling methodologies to allow OLX Sub Saharan Africa to migrate from "real steel"​ managed RackSpace servers to Amazon AWS. Working with great engineers from around the globe and locally to both investigate technical direction and create proof of concept infrastructure orchestration systems has been an incredible experience which allowed me to skill up hugely in the areas of full stack automation and docker clustering. Environment:OLX Sub Saharan Africa runs the largest online classifieds platform in Africa. Amazon AWS and Kubernetes powered infrastructure built using Terraform and Ansible with a mostly PHP MySQL app stack.Accomplishments - Pioneered our infrastructure orchestration project from proof of concept through to running all production and testing systems.- Reduced infrastructure costs by 70% +- Reduced deployment times by a factor of 10x- Kubernetes / docker in production- Production predictability by means of dockerized immutable infrastructure - Migrated all server infrastructure from RackSpace to Amazon AWS- Assisted in drafting the standards form which our global infrastructure orchestration methods and technologies are being implemented.- Help build a great infrastructure team Show less

• • Oct 2015 - Mar 2016

  Joining The OLX Sub Saharan Africa team as an "Infrastructure Champion" my initial focus was on helping the team migrate between server infrastructure as well as application frameworks.



takealot.com

• South Africa
• Retail
• 700 & Above Employee

• DevOps Engineer

  • Dec 2013 - Oct 2015

  I enjoyed a high level of involvement while at Takealot.com across the engineering team, from being on the architecture committee tasked with re-architecting the application stack from a monolithic to service orientated architecture through to physical server relocations and capacity planning. Dealing with first round automation fundamentals through to implementing high availability database solution in Mysql; Solr & MongoDB. Maintaining and expanding our Xen server footprint whilst using Amazon Web services for automated testing environments. I thoroughly enjoyed deep diving into problems across the stack to provide practical solutions and improvements. Environment Largest E-Commerce retailer in South Africa. Xen virtualisation on hosted real steel servers, serving a mostly php; nginx; varnish; Solr; MySQL stack. Accomplishments - Physically relocate hosted servers without negative impact on daily business - Resolved data integrity issues - Ensured redundancy and high availability across all data backends - Architecture committee, assisting in the move from monolithic to SOA Show less



Klamr

• Consumer Services

• DevOps / Senior Systems Engineer

  • Oct 2011 - Oct 2013

  Since joining Klamr I have helped to design and build high performance; scalable; redundant production architecture, in-line with industry best practices. I continue to support Klamr as the most senior systems engineering staff member responsible for every facet of our server and application architecture. Environment Mobile social networking application written in Python and Erlang, utilizing PostgreSQL, Django, Nginx, Memcached, Mnesia, ElasticSearch, Redis, NodeJS, Ejabberd, Puppet, Ansible, Jenkins CI, NewRelic, Zabbix and built to scale using Ubuntu/Debian on Amazon EC2. Accomplishments - Designed and deployed security hardened production infrastructure, recognized as excellent by third party penetration testers. - Continuously improved production stack performance; stability and scalability. - Provided performance metric insights across server and application stack. - Helped design; implement and employ automated deployment methodologies and procedures Show less



KnowledgeTree

• United States
• Software Development
• 1 - 100 Employee

• Systems Administrator

  • May 2011 - Oct 2011

  Joining a team with existing production infrastructure I quickly adapted to the running environment in order to provide production level support, leading to service and infrastructure improvements which resulted in higher levels of redundancy as well as performance. Environment SaaS document & content management system. Apache hosted PHP application stack using MySQL, Nagios, Zabbix, hosted on Amazon EC2 Joining a team with existing production infrastructure I quickly adapted to the running environment in order to provide production level support, leading to service and infrastructure improvements which resulted in higher levels of redundancy as well as performance. Environment SaaS document & content management system. Apache hosted PHP application stack using MySQL, Nagios, Zabbix, hosted on Amazon EC2



Jamwarehouse Software

• Cape Town Area, South Africa

• Systems Administrator

  • Mar 2008 - Oct 2011

  Responsible for every facet of Jam Warehouse’s IT infrastructure, from planning, procurement, and deployment to maintenance and support. I covered internal systems, externally hosted servers, client servers and deployments. Including health and performance monitoring. Environment .Net & Silverlight development house providing proprietary brand management platform and other offerings. Primarily Windows server based systems with supporting infrastructure and services run on FreeBSD & Ubuntu. Accomplishments - Redesigned flagship server architecture systems resulting in a overall improvement in performance. - Consistently provided improved revisions to services and infrastructure used whilst continuously reducing operational cost. - Zero impact to business during disaster recovery. - Furthered offerings to our clients by offering remote support consulting & monitoring. Show less



SundayTech

• Cape Town Area, South Africa

• Technical Lead

  • Jul 2007 - Jan 2008

  Providing technical support & consulting to existing clients of SundayMedia whilst building new service consulting relationships with small to medium business for SundayTech. Environment Small to medium enterprise consulting with a strong focus on open source solutions. Accomplishments - Revised and improved all services delivered to existing clients. - Established strong consulting relationships with existing and new clients. - Deployed end to end tech roll-outs to an existing customer’s new venture. Show less



WebAfrica

• Cape Town Area, South Africa

• Senior Systems Engineer / Linux Department Manager

  • Dec 2005 - Jul 2007

  Joining WebAfrica in a Senior Windows Support role I relished at the opportunity to apply myself and learn as much as I could. After a few months I was responsible for rolling out new production servers as well as regular maintenance. Several months later I was promoted again to a Linux and Windows Senior Engineer position and ultimately the Linux Department Manager. During my time at Web Africa I developed a reputation among my employers, peers and clients of being extremely reliable, innovative and dedicated to providing practical lasting solutions. Environment Commercial ISP Hosting provider offering both managed Windows and Linux environments. Accomplishments - Furthered my skill sets to help offer better services and support. - Developed a reputation of excellence and pride in my work. - Saved WebAfrica and select client base significant revenue loss during a large outage. Show less



Candor Technologies

• IT Services and IT Consulting
• 1 - 100 Employee

• Systems Administrator

  • Nov 2003 - Dec 2005

  Managing in-house services and small data center for a small development company. Environment: .Net & PHP development house. Accomplishments - Expanded service offerings with support and infrastructure consulting services. - Resolved complex network design and service issues. Managing in-house services and small data center for a small development company. Environment: .Net & PHP development house. Accomplishments - Expanded service offerings with support and infrastructure consulting services. - Resolved complex network design and service issues.



Turkish Consulate Cape Town

• Cape Town Area, South Africa

• System Administrator

  • 2000 - 2001

  Brought on to administer the in-house infrastructure and reduce impact of IT “outages” on daily business I very quickly reviewed; redesigned; planned corrective procedures. Resulting in the rolled out of a stable and mostly self sufficient IT infrastructure. Accomplishments: - Extended server up-times from 2 day average to several weeks. - Redesigned then rolled out network infrastructure. - Automated new system installations and centralized software updates. Brought on to administer the in-house infrastructure and reduce impact of IT “outages” on daily business I very quickly reviewed; redesigned; planned corrective procedures. Resulting in the rolled out of a stable and mostly self sufficient IT infrastructure. Accomplishments: - Extended server up-times from 2 day average to several weeks. - Redesigned then rolled out network infrastructure. - Automated new system installations and centralized software updates.