Guðmundur Már Kristjánsson

Senior Linux System Engineer at Bet25
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Contact Information
us****@****om
(386) 825-5501
Location
Silkeborg, Middle Jutland, Denmark, DK
Languages
  • Icelandic Native or bilingual proficiency
  • English Full professional proficiency
Skills

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Credentials

  • Citrix Certified Administrator
    -
    May, 2014
    - Oct, 2024
  • Red Hat Certified Engineer
    Red Hat, Inc.
    Nov, 2011
    - Oct, 2024
  • Red Hat Certified Specialist in High Availability Clustering
    Red Hat, Inc.
    Mar, 2013
    - Oct, 2024

Experience

  • Bet25
    • Denmark
    • Gambling Facilities and Casinos
    • 1 - 100 Employee
    • Senior Linux System Engineer
      • Aug 2022 - Present

  • Jysk IT Consulting
    • Denmark
    • IT Services and IT Consulting
    • Owner, Linux Systems Engineer
      • Jan 2019 - Present

      Consulting for Linux / Open Source environments with focus on server environment design, security, performance optimisation, high availability and automation. Consulting for Linux / Open Source environments with focus on server environment design, security, performance optimisation, high availability and automation.

  • GRUNDFOS
    • Denmark
    • Industrial Machinery Manufacturing
    • 700 & Above Employee
    • Senior System Engineer
      • Dec 2021 - Aug 2022

  • Bet25
    • Denmark
    • Gambling Facilities and Casinos
    • 1 - 100 Employee
    • Senior Linux Systems Engineer
      • Jan 2019 - Dec 2021

      Responsible for designing, implementation and daily management of the Linux environment and infrastructure. Responsible for designing, implementation and daily management of the Linux environment and infrastructure.

  • Sensa ehf.
    • Iceland
    • IT Services and IT Consulting
    • 1 - 100 Employee
    • Senior Linux Systems Engineer
      • Jun 2015 - Dec 2018

      As a Senior Linux System Engineer I do consulting for customers on their existing systems/environments on how to improve security, performance and stability. I also do consulting on designing new Linux based environments, deployment and administration. I specialise in security hardening, performance optimization, automation and High Availability Clustering environments. - Ansible - Amazon Web Services - Security Hardening - Performance Optimisation - HAProxy / Apache / Nginx - Plesk / cPanel - DNS (BIND) - Clustering and High Availability - FreeIPA / Red Hat Identity Manager - CentOS / RHEL - Zimbra - Nagios / Naemon / Thruk - Debian - Ubuntu - MySQL / MariaDB / MariaDB Galera Cluster Show less

  • Basis
    • Iceland
    • Senior Linux Systems Engineer
      • Oct 2013 - Jun 2015

      I specialise in everything Linux/Open Source, but my main focus are RHEL and Debian based operating systems along with the following solutions/services. - Ansible - Amazon Web Services - Security Hardening - Performance Optimisation - HAProxy / Apache / Nginx - Plesk / cPanel / DNS servers (BIND) - Clustering and High Availability I specialise in everything Linux/Open Source, but my main focus are RHEL and Debian based operating systems along with the following solutions/services. - Ansible - Amazon Web Services - Security Hardening - Performance Optimisation - HAProxy / Apache / Nginx - Plesk / cPanel / DNS servers (BIND) - Clustering and High Availability

  • Síminn
    • Iceland
    • Telecommunications
    • 100 - 200 Employee
    • Linux Systems Engineer
      • Mar 2008 - Oct 2013

      * Deployment and daily administration of 400+ Linux/Unix servers.* Data Center Manager in a multi data center environment. * Administration of the following software and systems:- TIBCO ActiveMatrix BusinessWorks.- ActiveVOS.- Apache Tomcat.- Jetty.- IronPort Web Security.- SurfControl (URL and keyword-based Internet filtering and blocking proxy). - Atlassian JIRA, Confluence, Bamboo and Fisheye.I have mostly been administrating x86/x86_64 servers running Debian and Red Hat Enterprise Linux. Some experience administrating SUSE Linux Enterprise Server, HP-UX and Solaris. Show less

    • Technician
      • Sep 2005 - Mar 2008

      Worked as a technician for the IT Services help desk.- Third level technical support for the call center with internet related services.- Analyzing and resolving problems with xDSL and IPTV related services.

    • Customer Service Representative
      • Apr 2002 - Sep 2005

      Provided first and second level techincal support for the internet services.

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