Barry De Graaff Email & Phone Number

The Hague, Zh, Nl

London, United Kingdom

As part of the Advanced Engineering team, I provide fixes for complex (security) bugs and write recommendations for strategic feature development for the product management team. Specialized in SAML, integrations of 3rd party products and Zimbra add-ons (Zimlets). I also write technical guides to enable our partners to make their own Zimlets and integrations and provide content to our marketing team to keep the Zimbra buzz going.I help the security team with research, impact analysis, prioritization and forensic research. Technologies and tools frequently used or implemented: - Elastic Stack, React, GraphQL, Docker - Kubernetes, Rancher, Keycloak, Gitlab - Postfix, Dovecot, Sieve, Milter, OpenDKIM, OpenDMARC, Apache, NGINX - DNSSEC, DANE, Bind, Bash, C, Java, Python - SAML and multi factor authentication

London, United Kingdom

As founder I played a substantial role in setting up The Zeta Alliance, working together with other stakeholders I set up the organizational structure for this open-source organization.As developer I realized projects by doing surveys and crowdfundings. Notable projects are the implementation of multi factor authentication, integrations with Rocket Chat, Nextcloud and support for OpenPGP encrypted email.I also manage the technical infrastructure for Zeta Alliance, including DNS, Email and various websites. Moderator and maintainer for the Zimlet Gallery. Technologies and tools frequently used:- Java, JavaScript, Docker, Python, Bash, LDAP, Git, KVM, MySQL, PHP- Apache, NGINX- IntelliJ IDEFurther reading Github.com/Zimbra-Community, ZetaAlliance.org

The Hague Area, Netherlands

As system administrator I am responsible for structuring the IT at technical and organizational level and helping Hivos to formulate a digital security policy. Notable successes include the implementation of SAML Single Sign On. Automated deployment with Ansible and the development of a user account self-service system.In addition, as database administrator I am responsible for maintaining Oracle databases for the development and distribution of business reports and exports. Also I am responsible for technical management of the ERP system. I set up a DTAP environment for change management of the ERP system based on CentOS and Oracle 11/12.Technologies and tools frequently used:- Oracle SQL, Oracle PL/SQL, Tomcat, Nagios, Ansible, Bash, SVN- Apache, NGINX, phpSimpleSAML, PrivacyIDEA, iptables, FirewallD- IntelliJ IDE, Oracle SQL developer, iReport, JasperServer and Compiere ERPAchievements:- Implemented a data warehouse for business reporting with Oracle replication ETL- Global migration of Zimbra Email- Set up a DTAP and development procedures for development of BI reports- Development of PL/SQL applications for XML based exports and Geocoding with Google Maps- Implementation of a helpdesk ticket system with procedures- Development of a Human Resource self service system with user provisioning- Implemented a versioning system in trac/svn to keep track of system configurations

Den Haag

B. Eng, Electronic Engineering

Activities and Societies: Graduated doing micro electronics and systems design for various companies.

Electrical, Electronics And Communications Engineering

Built a prototype smart thermostat in an era without smartphones.

B. Ed, Education