IT Consultant mit Schwerpunkt OpenSource

Software Development (Open Source)

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Languages: php, perl, ruby, c/c++, elisp, lua, sh, bash
MVC frameworks: Laravel, ZendFramework, Symfony2, CakePHP, CodeIgnitor, Rails
Object Relations Mappers: Eloquent, Propel, Doctrine, ActiveRecord
Markup languages: html, xml, xsd, xslt, xsl-fop, css, json, bootstrap, latex/tex, markdown, rst
JavaScript: ES6, jQuery, node.js, npm, bower, knockout.js, extJS
Databases/SQL: mySQL, PostgreSQL, Eventstore, Oracle, redis, mongoDB, couchDB, Hadoop
Directory Services/LDAP: ActiveDirectory, ApacheDS, OpenLDAP, Novell eDirectory
Source control: rcs, cvs, subversion, mercurial, git, jira
CMS/eCommerce: WordPress, Joomla, CMSMS, SixCMS, OXID, Typo3, Magento, TreeFrog
Testing/QA: selenium, behat/cucumber, spec, jenkins, gitlab CI, apache jMeter, gTest
Developer “soft-skills”: CCD (Clean Code Developer), AGILE, SCRUM, UML, BPML, XP , DDD (Domain Driven Design), Code-Metrics, Design Patterns, TDD & BDD (Tets &Behavior Driven Development), happy vim AND emacs user


IT Infrastructure

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Linux/BSD Distributions: Debian, Ubuntu, CentOS, RedHat, LFS (Linux From Scratch), openBSD, Solaris
Security: Nessus, tripwire, TLS/SSL, tcpdump, Metasploit, Snort, iptables/pf, owasp
Middleware: tomcat, ZendServer, PHP-FPM, Rails (unicorn/passenger), activeMQ, rabbitMQ, beanstalkd, Kafka, mysql-Proxy, openHAB
Data tier: mySQL, PostgreSQL, SQLite, mongoDB, couchDB, memcache,
ApacheDS (LDAP), OpenLDAP, InfluxDB
Web Applications: Zabbix (monitoring), OTRS (ITIL-based trouble ticketing/CMDB), SugarCRM (CRM), Gitlab, killbill.io, Zamanda (backup), OpenX (Adserver), ELK-Stack (Elastic Search, Logstash, Kibana), Grafana, CheckMK, Nagios, NextCloud
Deployment/Provisioning: puppet, ansible, phpbrew, phing, git (hooks), vagrant, OpenShift, Rancher
Virtualization/Cloud: XenServer, XCP (xen cloud platform), LXC/LXD, Docker, KVM, HAProxy, OpenStack, openvswitch, pfsense, VMware ESX, Zen Loadbalancer, HAProxy
Miscellaneous: Linux kernel compiling/debugging, Routing/VPN (OpenVPN, IPsec, L2TP, PPTP, OSPF, BGP, RIP), rSync, DNS, WiFI, MPLS, ATM, IPX, IPv4, IPv6, VoIP


Other core compentencies

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• IT Operations
• Class based Training
• DevOps
• System Architecture
• SCRUM MasterCoachingSecurity
• Pen-testingTesting / QA
• Private Clouds
• Container/Virtualization
• Open Source
• GTD