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@f1x3r
Flag of Poland Warszawa, Poland
Member since February, 2011
1 Recommendations

f1x3r

* Systems administation: Linux (RedHat, Debian, Ubuntu), FreeBSD, Windows * Network administration: VLAN, VPN, Wireless networks, Network equipment managment (Nortel, HP, Cisco), Deep understanding of network architecture, * High availability: active-passive clusters (RHCS, Linux-HA), load-balancing techniques, clustered file systems (DRBD, GFS/OCFS, GlusterFS) * Security: firewalling (iptables, ipfw, ipf/pf), antivirus techniques, antispam techniques (both before- and after- queue), SELinux (including writing custom policies), PKI * Database administration: MySQL, PostgreSQL, Oracle, SQL * Network services administration: www (apache, nginx), mail (postfix, sendmail, exim, dovecot, cyrus), DNS (bind, dnsmasq), LDAP (openldap) * Virtualization: Xen, KVM, VMWare (ESX/ESXi, VSphere), libvirt API, OVF * Programming: Perl, PHP, sh scripting, C/C++, Applescript, VBScript, Python, Java

$25 USD/hr
36 Reviews
5.1
  • 88%Jobs Completed
  • 100%On Budget
  • 100%On Time
  • 23%Repeat Hire Rate

Recent Reviews

Experience

Owner

Jun 2012

Company providing all sorts of IT services.

Network / Systems Engineer

Apr 2008 - May 2012 (4 years)

- administrators' team leadership - designing a nd implementing HA systems - designing and implementing monitoring systems - designing and implementing buisiness processes within organization (incident and event managment)

Network / Systems Engineer

Oct 2002 - Mar 2008 (5 years)

- technical department managment - network design - implementing new services - systems administration (FreeBSD, Linux, Windows) - configuration managment

Education

B. Sc. (faculty: Telecommunication Systems and Networks)

1999 - 2003 (4 years)

M. Sc. (faculty: IT, Electronics, Telecommunication)

2003 - 2005 (2 years)

Badges

  • Perfectionist

    Receive 5-star ratings in 90% of your completed projects (minimum 10 projects).
  • The Critic

    Post 10 Reviews.
  • The Verified

    Verify your payment method
  • Feedback Guru

    Receive 10 reviews
  • The Regular

    Log in every day for 1 week.
  • The Economist

    Complete 10 projects on budget.
  • Nine-to-Fiver

    Win a project and accept the offer.
  • The Perfectionist

    Edited a bid.
  • Fast Responder

    Bid within 2 minutes of a project being listed.
  • Smart Money

    Create 10 Milestones.
  • The Seeker

    Bid on 20 projects.
  • All Star

    Receive a 5-star rating for a project.
  • The Adventurer

    Complete your first project.
  • The Collector

    Reach a balance of 5,000 credits.
  • The Collector

    Reach a balance of 5,000 credits.
  • Perfectionist

    Receive 5-star ratings in 90% of your completed projects (minimum 10 projects).
  • The Economist

    Complete 10 projects on budget.
  • Smart Money

    Create 10 Milestones.
  • All Star

    Receive a 5-star rating for a project.
  • The Critic

    Post 10 Reviews.
  • The Verified

    Verify your payment method
  • Feedback Guru

    Receive 10 reviews
  • The Regular

    Log in every day for 1 week.
  • Nine-to-Fiver

    Win a project and accept the offer.
  • The Perfectionist

    Edited a bid.
  • Fast Responder

    Bid within 2 minutes of a project being listed.
  • The Seeker

    Bid on 20 projects.
  • The Adventurer

    Complete your first project.

Exams

  • Linux Kernel 1
    95%
  • TCP/IP
    82%
  • Shell Script
    78%
  • Unix Level 1
    88%

My Top Skills

  • Linux 26
  • System Admin 21
  • Software Architecture 10
  • Electronics 9
  • PHP 8
  • Script Install 8
  • Engineering 7
  • Shell Script 7
  • MySQL 6
  • Windows Desktop 4
  • Apache 3
  • UNIX 2
  • Database Administration 2
  • Web Security 1
  • SQL 1
  • Computer Security 1
  • Nginx 1
  • Amazon Web Services 1
  • Network Administration 1
  • Perl 0
  • C Programming 0
  • Java 0
  • .NET 0
  • Translation 0
  • Audio Services 0
  • Data Entry 0
  • Ruby on Rails 0
  • Excel 0
  • Testing / QA 0
  • Wordpress 0
  • Powerpoint 0
  • Cloud Computing 0
  • Asterisk PBX 0
  • Active Directory 0
  • DNS 0
  • IIS 0
  • Big Data 0
  • VPS 0
  • Chef Configuration Management 0
  • PostgreSQL 0
  • BSD 0
  • Ruby 0
  • Ubuntu 0
  • Debian 0
  • Red Hat 0
  • VMware 0
  • Internet Security 0

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