Christian Hangi

- Software Development - Web Applications Monitoring - IT Infrastructure Management and Maintenance (IaC, DevOps) - Software and Web Automation Testing - Database Management

• BUILDING, CONFIGURATION, DEPLOYMENT AND MAINTENANCE OF THE BACKEND FREERADIUS SERVER SYSTEM TO IMPROVE NETWORK ACCESS PRIVILEGES TO NETWORK DEVICES (SWITCHES, ROUTERS, WORKSTATIONS, ETC.) AND SECURITY OF THE COMPANY INTERNAL NETWORK TO PREVENT ILLEGAL ACCESS FOR UNAUTHORIZED USERS. TECHNOLOGIES AND TOOLS USED: SECURE SHELL (SHELL), EAP, IEEE 802.1X, EAD, UAM & AAA PLATFORM. • IMPLEMENTATION OF DALORADIUS WEB MANAGEMENT APPLICATION ONTO THE FREERADIUS SYSTEM TO PROVIDE USER MANAGEMENT, GRAPHICAL REPORTING, ACCOUNTING AND BILLING ENGINE. IT HAS A WEB USER INTERFACE AND WAS USED TO MANAGE THE FREERADIUS DEPLOYMENT. TECHNOLOGIES USED: HTTP, PHP AND MySQL (TO RECORD THE NETWORK ACCESS AND RESOURCE USAGE ACTIVICTIES); • BUILDING, CONFIGURATION, DEPLOYMENT AND MAINTENANCE OF THE CACTI LOG SERVER SYSTEM TO MONITOR, ADMINISTER AND CONTROL THE ACTIVITIES OF THE COMPANY’S NETWORK DEVICES (SWITCHES, ROUTERS, WORKSTATIONS, ETC.). THE SYSTEM PROVIDES FEATURES SUCH AS CPU USAGE, MEMORY USAGE AND TEMPERATURE USAGE. THE SYSTEM WAS LATER IMPLEMENTED WITH FEATURES SUCH AS EVENT LOGGING MANAGEMENT AND THRESHOLD ALERT TICKETING TO TRACK AND REPORT ACTIVITIES AND ANOMALIES IN THE NETWORK. TECHNOLOGIES USED: SYSLOG, SMTP, HTTP, PHP & MySQL. • BUILDING, CONFIGURATION, DEPLOYMENT AND MAINTENANCE OF SPLUNK AND IMC (INTELLIGENT MANAGEMENT CENTER) ONTO THE NETWORK FOR NETWORK MANAGEMENT AND PERFORMANCE. • ESTABLISHING REMOTE ACCESS COMMUNICATION BETWEEN COMPUTER SYSTEMS via FTP, SSH and VNC. • TROUBLESHOOTING AND NETWORK CONFIGURATION OF NETWORK DEVICES via PUTTY SOFTWARE: LINUX SERVERS, WINDOWS WORKSTATIONS, H3C & 3COM SWITCHES AND ROUTERS; • NETWORK BUILDING, CONFIGURATION AND MANAGEMENT: LINUX SERVERS, WINDOWS STATIONS, H3C & 3COM SWITCHES, SERVERS (APACHE, MySQL Database, FTP, etc.). • CABLE BUILDING AND TESTING (TWISTED PAIR AND CROSSOVER). • TROUBLESHOOTING AND SOLDERING ELECTRONIC COMPONENTS ON PCBs.