PERSONAL PROFILE
A Bi-Lingual (French/English) thirteen year-experienced Network System Engineer and Professional freelance with skills in IT network system design, project planning management, customer/technical support, with the capacity for hard work, passion to succeed, and willingness to improve acquired knowledge experience, to drive a team or to be a team player, capabilities to perform under pressure to strict deadlines with an eagerness to progress within Management or Strategic roles. Comm. skills: Both oral written.
Network Technical abilities
Knowledge good understanding of
- RF implementation (VSAT – STM/Solante, iDirect, SCPC/DVB solutions), Broadband fixed (Wi-Fi, and Wi-Max) and radio systems for LAN/WLAN, MAN WAN);
- CAT 5e/6 networks cabling, CISCO hardware (Switches, Routers), and Fiber Optics-based backbones
- Dynamic routing protocols – RIP, IGRP, EIGRP, OSPF and BGP
- Redundancy routes trunks design and implementation with CISCO equipment – HSRP, ISL, 802.1Q
- Monitoring system using SNMP, WMI protocols – SOLARWINDS, Zabbix, Zenoss, Nagios, OpManage solutions,
- Managing bandwidth with PACKETEER equipment – PACKETSHAPER, software solution – AstrofowGuard
- Accelerate TCP (XTP protocol) communication through PACKETEER equipment – SkyX, Trafficsqueezer
System Technical abilities
Knowledge very good understanding of:
- UNIX/LINUX operating system: SAN/NAS, cluster, resources, LDAP, TCP/IP Services (DNS, Web, Mail, File storage, FTP, DHCP, RAS) management and tuning (AIX-6years, SOLARIS-8 years, RED HAT-16 years, SUSE-10 years, DEBIAN-12 years, MANDRAKE-9 years);
- WINDOWS operating system: Active Directory, SAN/NAS, cluster, resources, TCP/IP Services (DNS, Web, Mail, File storage, FTP, DHCP, RAS) management and tuning (WINDOWS 2000/2003/2008 environments); WSUS design implementation for update; (14 years)
- LOTUS DMINOS Design, implementation administration (multi sites, multi -domain, cluster)
- TRENDMICRO, Symantec solution (Endpoint Corporate) antivirus in corporate network
- Time Navigator, ARKEIA, Bacula, Zmanda network backup solution for heterogeneous IT system
- Zimbra Collaboration suite solution for enterprise mail system – Design, implementation, administration
- VMWARE, XEN, RHEV virtualization technologies – Design and implementation in network enterprise
- CloudStack OpenStack for private, public or hybrid cloud system
- HP/EMC² SAN NAS Technology of storage
- Open Source SAN Solution: FreeNAS, Openfiler, NexenstarStor
- HP Blade System configuration, support troubleshooting
- IBM Blade System configuration, support troubleshooting
- ERP: OpenERP (Implementation Design, Specific Module Development, Installation, Configuration)
- Service Desk: Manage Engine, OTRS
Security Technical abilities
Knowledge very good understanding of:
- JUNIPER IVE for VPN/SSL design and implementation
- JUNIPER NETSCREEN/FORTIGATE firewall design and implementation in corporate network (security policies, VPN, Virtual instance, IDS)
- Security protocols (WPA2, AAA, IPSEC, L2TP, PPTP, SSL implementation, 802.1X)
- Distributed authentication (LDAP, RADIUS, Kerberos, Public Key Infrastructure, Active Directory)
- Vyatta/Edian Firewall (firewall appliance – virtual physical architecture)
- AlienVault (SIEM – Security Information and Event Management)
- PacketFence (NAC – Network Access Control)
- OpenVPN (VPN/SSL Solution design and implement for enterprises)
- SoftEther (VPN/SSL Solution design and implement for medium or big Enterprise
Database Technical abilities
Knowledge very good understanding of:
- ORACLE 8: Administration
- Microsoft SQL Server 2000 or higher: Design, Implementation and administration
- MySQL 4 or higher: Design, Implementation – LINUX WINDOWS – and administration
- PostgreSQL and EnterpriseDB: Implementation administration
VoIP Technical abilities
Knowledge very good understanding of:
- Asterisk IP PBX of DIGIUM: Design, Implementation and administration, using SIP/IAX protocols for those solutions: ToIP, Video Conferencing, ITSP
- OpenSIPS: Design and Implementation for ITSP (Internet Telephony Service Provider)
- SipX/ECS of PingTel: Design, Implementation and administration, using SIP protocol
- Cisco IPT: Design, Implementation and administration, using SIP and SCCP protocols
Certification
CCNA (Cisco Certified Network Associate) – Dec 2009, CISCO ID: CSCO11707791
RHCE (Red Hat Certified Engineer) – April 2010, Certificate Number: 605010281031146
RED HAT Partner – March 2014, with Open IT World
DIGIUM Partner – January 2014, with Open IT World
Highest Level of Education
1994-1999 National Polytecnic Institute of Yaounde - Cameroon
Master in Computing Sciences of Engineering
Employment History
June 2007 until Now Open IT World IT Consultant
· Managing Projects of Open ERP Integration in some companies around the country: Installing these modules: Sales, CRM, Purchase, Stock and Warehousing, Human Resources and Payroll, General and Analytic Accounting.
· Managing Projects of Collaborative environment integration in many companies
· Managing Projects of VoIP solutions integration for some companies that have many sites around the country
· Managing Projects for Network Backup System in heterogeneous systems (WINDOWS, LINUX)
· Managing Projects for SAN storage environment
· Managing Projects of virtualization integration in IT system for many companies
· Managing Projects for optimizing communication between sites that belong to company by running some WAN accelerator solutions
· Managing Projects of IT audit for many companies
January 2009 until December 2013 Senior Engineer
· Manage project: implementation of VSAT network (HUB 60 remote sites) with ITC GLOBAL
· Manage project: implementation of GPRS network (150 modems) with Orange and MTN
· Manage project: power supply, network and system design of our DATA CENTER in AES SONEL (around 1 MVA)
· Define some IT NOC procedures
· Providing some monitoring reports of the entire network
· Making some penetration testing around AES SONEL IT System for checking vulnerabilities
July 2007 to December 2008 Network System Engineer
· Installation, configuration support of RED HAT ENTERPRISE systems on HP PROLIANT servers, IBM Blade Center H with EMC² storage
· Support troubleshooting on AIX, Tru64 and SOLARIS system
· Manage EMC² CX3 80 storage bays connected to IBM Blade Center H PL4XX servers (AIX system)
· Manage network backup using Time Navigation of ATEMPO solution
· Monitor resources through MRTG SOLARWINDS - Orion Network Performance Monitor (Switches & routers), PANDORA FMS, NAGIOS (Unix/Windows systems)
· Design and implement DATACENTER through VMWARE INFRASTRUCTURE 3.5i or higher, using IBM BLADE CENTER H for redundant servers EMC² SAN Storage
February 2007 to April 2007 PASTEL S.A Network System consultant
· Audit the entire network (CISCO routers en switches) and system (RED HAT) – VoIP network that Internet calls over Wireless network (BREEZENET equipment) with a VSAT connection
· Make some proposal for optimizing the network
· Make a proposal for a new Internet Telephony Service Provider over the wireless network with Fiber Optic Internet connection
February 2002 to May 2007 Network Engineer
· Manage the entire WAN network of Brasseries du Cameroun (32 sites interconnected through a satellite and wireless system)
· Manage the 32 LANs over the network (around 90 CISCO switches, 35 CISCO routers, 500 workstations & 15 servers connected)
· Design the new IT network including voice and data over the entire network
· Implement WINDOWS 2003 Servers – that provide DNS, Active Directory, proxy ISA 2000, MS SQL Server 2000, File system, Backup system, network antivirus, Windows Software Update Service – over the entire network [HP – COMPAQ & DELL servers equipment’s]
· Implement and manage the Internet security access and DMZ spaces with CISCO PIX JUNIPER NETSCREEN firewalls
· Migration of Internet security and DMZ spaces to the FORTIGATE redundant firewalls
· Manage the project of implementing wireless local loop over Douala sites of Brasseries
· Manage the project of implementing LOTUS DOMINO 5.5 over the entire network
· Administration of LOTUS DOMINO 6 installed and used over 32 sites over the country
May 2001 to September 2002 Network and System consultant
· Manage the project of migration: Internet services provide have been migrated from WINDOWS to LINUX system
· Manage the project of implementing some new services for enterprises (Enterprise mail system, web hosting, firewalls)
· Manage the project of implementing new services for all customers (mail service)
· Optimize resources used over the network (DNS, Mail, firewall, switches)
· Optimize of wireless network architecture: reducing Layer 2 broadcasts with bridges and Layer 3 broadcast with routers installed on customer wireless links – The wireless network is 802.11ab network.
April 2001 to August 2002 Network and System Consultant
· Manage the project of an IT system inner the institute – The University has 04 sites around the town: Design, planning of cabling (Cat. 5 for Data & Voice), Installation & configuration of CISCO routers and D -LINK switches, installation & configuration of NEC servers, installation configuration of OMNI PCX PABX, installation and configuration of Internet VSAT connexion (SCPC/DVB link)
· Manage the project of implementing TCP/IP services on the network: DNS, Mail system (LINUX – send mail) with webmail, sharing internet over the 04 sites of the Institute
· Co-manage the project of the virtual and multimedia documentation system of the Institute
May 2001 to August 2001 Network and System Consultant
·Installation of IT system in the new office: Wireless (BREEZENET equipment’s) dialup service configuration with 2 Point of Presence
· Migration of all services from DEBIAN to Red Hat 9 OS LINUX system o new servers: installation configuration of DNS, Web hosting, Mail system, Dial up authentication (RADIUS)
· Re-configuration of transaction between 3COM TOTAL CONTROL, Lucent PortMaster 3 and RADIUS Server for dialup authentication, using PAP and CHAP authentication protocols
· Optimizing the synchronization of RADIUS information the Database MS SQL 7 for billing
April 2001 to February 2000 Network Engineer
· Manage the network: CISCO routers and switches
· Manage Internet satellite link (SCPC VSAT link)
· Manage the dialup authentication system through 3COM TOTAL CONTROL, Lucent Port Master 3 and redundant RADIUS Server using PAP and CHAP protocols
· Manage he billing system that running on RODOPI and MS SQL7 database system
· Provide support to dialup and web hosting customers (on-site/by phone)
· Implementing internet TCP acceleration by using two SkyX gateways over the VSAT link (increase the bandwidth from 384 Kbps to 1.2 Mbps)
· Manage the LINUX DEBIAN systems that hosts DNS, Mail services
January 1998 to January 2000 Netw ork System Administrator
· Manage the system (SOLARIS Red hat) and network of Polytechnic Institute: connected to Internet through University of Yaounde link.
· Manage the network and system laboratories
Training
2003, LOTUS DOMINO 5.5: Design, Implementation Administration, IBM Center, La Defense – Paris
2005, MS SQL 2000: Implementation, Administration, Douala1.COM, Douala
2008, VMWARE INFRASTRUCTURE 3.0: Design, Implementation, Administration, CFAO Technologies, Douala
2010, Red Hat Certified Engineer Rapid Track: Seattle WA, USA
2014, dCSP (SwitchVox Sales Training), DIGIUM
2014, Asterisk Integrator, DIGIUM
Management projects software
Microsoft project 2010