Emmanouil (Manos) Karamanos

Develop, maintain and operate software and automation techniques focused on reliability and scalability of cloud infrastructure.

Various projects regarding corporate infrastructure like consolidate infrastructure, remove duplication, streamline configuration work-flow to save manual effort and reduce the opportunity for human error. Migration from Microsoft technologies to Open source solutions. Monitoring solutions.

Administration of internet applications for commercial clients. Web Stores (Oxid, Magento, Shopware), Load Balancing solutions (nginx, varnish), Database Replication (mySQL, percona toolkit), Virtualization (Virtuozzo), Research and evaluation of Load Balancing software (Apache Traffic Server), Research and evaluation of log aggregation frameworks (logstash-elasticsearch, graylog), All-purpose GNU/Linux administration, Experience with various pieces of an industry-standard web stack (memcached, APC)

Management of in-house network infrastructure and servers. • Testing system: Magento, PHP, Apache, MySQL • Internal administration: Networking, Bind, DHCP server (ISC dhcpd), OpenVPN • Backup System design and deployment: Bacula • Domain Controler and Active Directory services (samba4) • Also worked with: varnish, Atlassian products (jira,confluence), postfix, OTRS, Zabbix, Endian firewall, DB Sanitization

Systems and network adviser: Systems and network redesign to meet new needs • Software management • Security management

Master Thesis: Security of embedded devices, especially routers, under the supervision of Professor Dr. Jean-Pierre Seifert. Theoretical and experimental research and security auditing of embedded devices. • Security analysis • Security auditing and penetration testing • System hardening

Military obligation fulfilment • Computer infrastructure management (Supply and Transport department, Ministry of national Defence, Athens) • Management of IT and transportation infrastructure (Lesvos) • Management and organizing of human resources (Lesvos and Ministry of national Defence, Athens)

• Creation and maintenance of network infrastructure • Software management • Technical support

In-depth knowledge of network systems and services: • Communication networks • Wireless (sensor) networks • Internet services and traffic measurement • Programming of mobile services • Network algorithms • Performance analysis of networks • Management and Simulation of networks

• CCNA 1 - Network Basics • CCNA 2 - Router and Routing Basics • CCNA 3 - Switching Basics and Intermediate Routing • CCNA 4 - WAN Technologies

Foundation knowledge of Systems Analysis, Database Systems, Software Engineering, Object-Oriented Programming as well as a basic understanding of Microprocessor Design and Design of computing Languages.