David Wittwer

Experience

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  Swiss Government

  Mar 2008 - Sept 2015

  - Conceptual work for and implementation of data acquisition systems using Java, Python, and RabbitMQ. Data processing and analysis of large datasets using big data technologies such as HBase.- General software engineering & low level network programming- Executive project management in collaboration with external partners (network monitoring and statistics tools)- Responsible for design and implementation of a distributed sensor network for the analysis of network traffic.- Technology monitoring and R&D with a focus on network security- Technical lead and supervision of small scale development projects involving members of the Swiss Armed Forces.- Procurement Show less - Team member for doctrine and requirements engineering within large procurement projects in collaboration with armasuisse and international companies.- Implementation of interfaces for data transfer- Integration of in-house developed tools into productive systems- Generic software engineering with a focus on Java and Python- Technology monitoring and R&D for complex communication systems such as standard and new internet protocols, as well as satellite communication systems such as DVB-S(2) or HDLC Show less

  • Network Security Analyst & Software Engineer

    Sept 2013 - Sept 2015

  • Software Engineer

    Mar 2008 - Sept 2013
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  Self-Employed

  Aug 2015 - Feb 2024

  Freelance Software Engineer and Data Analyst

  - Custom Software using C++, Java, or Python- Database and Big Data applications- Analysis of large data sets w/ R

• 

  Swiss Federal Government

  Dec 2017 - now

  Senior System Engineer Linux & Network

  - Implementation of data acquisition and mediation functions for ASN.1 streams- Analysis of binary data streams- Design and implementation of complex and ad hoc networking solutions based on Linux, iptables/netfilter, OpenVPN, iproute- Reverse Proxy (HAproxy, Nginx)- Design, implementation and automation of virtualization/container infrastructures based on VMware, Docker, as well as LXD- Automation using Ansible- DevOps: GitLab, Harbor, Nexus, Jenkins