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Andrei L. | Elance
 
176985602337900
Last Sign-in: Jul 10, 2014

Andrei L.

Linux Systems Administrator
   Romania
  |   Botosani, Botosani
  |  7:13 am Local Time

Overview

Minimum Hourly Rate $22

Linux and networks system administrator, high availabilty solutions, load ballancing, scalability, virtualization, caching, security and firewall, automation

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Skills (5)

Tested
Linux
Linux Test
My Score
avg
Passed
Network Administration
Networking Concepts Test
My Score
avg
Firewall
TCP/IP
Unix

Service Description

Network:

- Excellent knowledge of TCP/IP networks. Important experience of day-to-day network management. Good knowledge of security best practices.
- ipv4, redundancy and high availability networks, wireless networks,experience with managed network equipments
- TCP/IP routing and network protocols (bgp, ospf)
- voip networks implementation and design
- IP Tunnels, VPN implementation (OpenVPN, IPsec, dedicated hardware)

Systems:

- Linux: debian, centos, ubuntu, arch (install, configure, maintain, backup)
- Virtualization: xen, XCP, Citrix, esxi, kvm, Hyper-V
- VoIP (asterisk): deploy, configure, maintain (office, callcenter solutions, ivr)
- Web: apache, nginx(webserver, load ballancer, reverse proxy)
- DNS servers (bind)
- MySQL (deploy, scale, configure, replication, backups)
- samba, nfs, NAS servers, squid, linux firewalls & routers
- postfix / sendmail, spam filtering, virus checking
- monitoring: nagios, icinga, cacti, munin
- shell scripting knowledge (bash, python)
- backups (bacula, custom scripts, incremental network backups using open source solutions)

Other:

- big web aplications deployment, load ballancing multiple apache servers, configure and deploy caching solutions with Varnish, Memcached, Redis, Apc
- identify and fix network, sistems & applications bottlenecks
- network infrastructure implementation experience: wired, switches, racks, servers, power supplys, small data-center design and implementation
- experience with EC2, Rackspace,...

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Keywords

server architecture
cluster configuration
load balancing
virtualization
scalability
high availability
cloud computing
My Snapshot
1
Elance Level
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  • 12 months
  • Lifetime
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Private
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Identity
Username
mkzet
Type
Individual
Member Since
June 2011
Elance URL
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Andrei L. | Elance

Andrei L.