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$52 USD / heure
Drapeau de ALBANIA
vlore, albania
$52 USD / heure
Il est actuellement 12:49 AM ici
Membre depuis le mars 4, 2016
6 Recommandations

Ervin S.

@vinskendaj

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5,0 (53 commentaires)
7,5
7,5
$52 USD / heure
Drapeau de ALBANIA
vlore, albania
$52 USD / heure
100 %
Travaux complétés
14 %
Suivant le budget
100 %
Dans les temps
18 %
Taux de réembauche

System Administrator. Vmware. Network engineer.

MSc Degree in Computer Sciences. 15+ years experience on hands in network designing, implementation, optimization, integration, security, and troubleshooting. I've experience on the following too: -Cisco, Juniper, Mikrotik,Ubiquiti,Sonicwall,Palo Alto ,Dell, HP, Aruba,Alcatel, Fortigates -VMware, vcenter 5.x/6.x/7.0.x -Xenfarms virtualizations.Xen Desktop and XenApps,Citrix. -Windows 2k8R2/2k12r2/2k16/2k19 -Linux servers : CentOS 5.x -9.x /DebianOS/SUSE/RHEL -Proxmox / Clonezilla -Telephony systems : Asterisk/Grandstream -SNMP monitoring : Observium/Librenms/Cacti -Call Centers : Goautodial/Vicidial/OSdial/Issabel PBX/Freepbx -integrations: SugarCRM / Suite CRM -Zimbra/OwnCloud/Nextcloud integration Collabora online -Roundcube/ squiremail /postfix relays with AWS SES -OVH server / Hetzener server / Aruba hosting /Contabo -SSL / EV-SSL installation /OpenSSL -ProxySQL/Mysql/MariaDB/ Percona /Postgres -Plesk / Magento1/ Magento2 / Joomla3 and Joomla4 / Webmin -bugzilla/confluence/jira/trello setup -Redis/Varnish Cache -Nginx load balancers / apache load balancers -Apache/Nginx optimizations for heavy load/heavy traffic websites. -Cloudflare configurations and adaptations -AWS EC2/ RDBS/Gateways/VPCs -AWS EC2 infrastructure to on-prem. connections via VPN over BGP -directus installations -openvpn installation and implementations on mikrotik/pfsense or vm. Both client and server side. -personalized backups via bash scripts and cronjobs. Please no Indians employers!!!!
Freelancer System Administrators Albania

Contactez Ervin S. concernant votre emploi

Connectez-vous pour discuter des détails via la messagerie.

Éléments du portfolio

Client had an infrastructure of Gaming servers behind the Mikrotik which was having issues from being DdoS every second with huge amount of packages above 10gbp/s. Normal firewalling would lead the mikrotik to reboot , since it was consuming way too much CPU. need to reimplement everything on prerouting / RAW and Mangle to have the mikrotik respond the expected way
Block DDos on Mikrotik
Client had an infrastructure of Gaming servers behind the Mikrotik which was having issues from being DdoS every second with huge amount of packages above 10gbp/s. Normal firewalling would lead the mikrotik to reboot , since it was consuming way too much CPU. need to reimplement everything on prerouting / RAW and Mangle to have the mikrotik respond the expected way
Block DDos on Mikrotik
The client requested a new server to be build , in order to handle his high traffic website. 
several components were involved into the project :
-Varnish cash
-Redis Server
-Percona Clusters
-frontend magento 

services were split in several machines in order to optimize the performance
Magento2 Upgrade Server Infrastructure
The project request were:
1) installation of VestaCP and configure the panel
2) secure the server
3) migrate all the site over to the new dedicated server
4)create FTP, SFTP, accounts for each site (based on the clients needs)
5) configure the new A Records of the DNS
Installation of VestaCP and migration of all site
Installation of the LibreNMS to monitor an organization of 1500 users and around 300 devices , switches, routers , access points, conference calling systems, servers( windows , linux , vmware, storage etc)
LibreNMS
Installation of the LibreNMS to monitor an organization of 1500 users and around 300 devices , switches, routers , access points, conference calling systems, servers( windows , linux , vmware, storage etc)
LibreNMS
Client requested the installation of the Virtualizor KVM on the hetzner servers. as per his needs , the KVM was installed on Centos 7.5 from rescue mode and was also installed the Virtualizor KVM on centos.
Installation of the Virtualizor KVM
Deployment of Citrix , for a financial company with at least 250 users, 
Active Directory server was based on windows 2012r2 , 
Citrix Server was based onto 2016, 
Citrix version 7.16 Platinium edition.

Clients requests where : ability to map shared locally drives and map network printers.
Citrix deployement for Financial company

Commentaires

Modifications enregistrées
Montre1 - 5 sur 46 commentaires
Filtrer les commentaires par : 5,0
$333,84 USD
Great work as always!
System Admin Linux MySQL Network Administration
+1 de plus
G
Drapeau de Greg M. @gregoryme
il y a 7 jours
5,0
$640,00 USD
Great work and attention to detail, and patience in dealing with bad logs.
System Admin Linux MySQL Network Administration
+1 de plus
G
Drapeau de Greg M. @gregoryme
il y a 19 jours
5,0
$252,00 USD
Great reporting, excellent detail, and had lots of great insight into the data.
System Admin Linux MySQL Network Administration
+1 de plus
G
Drapeau de Greg M. @gregoryme
il y a 23 jours
5,0
$45,00 USD
Great work as always!
System Admin Linux MySQL Network Administration
+1 de plus
G
Drapeau de Greg M. @gregoryme
il y a 2 mois
5,0
$135,00 USD
Quick response, quick answers, and accurate analysis of the data. He did great work. I will be hiring him again.
System Admin Linux MySQL Network Administration
+1 de plus
G
Drapeau de Greg M. @gregoryme
il y a 2 mois

Expérience

Senior System Administrator

Bankers Petroleum LTD
déc. 2016 - Jusqu'à présent
Currently Working as System & Network Administrator. in charge of the infrastructure , virtual & Physical. Main key responsibilities include virtualization, server management, system administration and strategic planing.

NOC engineer

Nisatel LTD
juin 2014 - déc. 2016 (2 ans, 6 mois)
Worked as NOC engineer at Nistel LTD , a local ISP in my town Vlora

CTO

Green Alba Call
juil. 2014 - sept. 2016 (2 ans, 2 mois)
In charge of the IT department. promoted to CTO after implementation of new technologies and system for calling and call handling.

Éducation

MSC in Computer Sciences

Universiteti Teknologjik 'Ismail Qemal Vlora', Albania 2011 - 2014
(3 ans)

Bachelor Degree in Information Technology

Universiteti Teknologjik 'Ismail Qemal Vlora', Albania 2008 - 2011
(3 ans)

Contactez Ervin S. concernant votre emploi

Connectez-vous pour discuter des détails via la messagerie.

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Certifications

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Meilleures compétences

System Admin 44 Linux 37 Network Administration 37 MySQL 20 Asterisk PBX 17

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