mig5's experience

sysadmin skills

  • Over 7 years extensive Linux sysadmin experience focusing on Debian / Ubuntu
  • Wide range of experience & familiarity with various Linux-based services (LAMP, Nginx, Bind, SSH, Squid, Varnish and more)
  • Programming in Bash, Python, Perl, Sed, Awk etc..
  • Mail server administration with Postfix, Spamassassin, Dovecot
  • Years of designing and implementing infrastructure for large multi-national online campaigns with focus on scalability, high availability (loadbalancing/failover), performance (international PoP caching etc)
  • Development of cloud-based tools and services, Libcloud API, CDN integration, Fileconveyor
  • OpenLDAP implementation and integration with other services (RT, Jira, Nagios etc)
  • HeartBeat, DRBD & MySQL replication HA load-balancing techniques
  • Familiar with VMware, Xen, XenServer.
  • Proficient in configuring Nagios, Munin monitoring systems
  • Windows Server 2003/2008 (IIS, Active Directory, general management)
  • Mac OS X Server (ServerAdmin / Workgroup Manager, OpenDirectory, general management)

networking

  • Experience configuring and maintaining Cisco devices and IOS
  • IPSEC / PPTP / OpenVPN VPNs
  • Building iptables firewalls
  • Experience maintaining an AS (BGP, RIP on LANs)
  • Hurricane Electric Certified IPv6 Sage

config management / VCS

  • Puppet, Fabric, Capistrano tools for configuration/deployment magic
  • Proficient in version control systems: Git, Subversion, CVS, RCS (!)
  • Rancid (network device configuration management)

web development

  • Aegir core developer, pioneer of cutting edge dev/stage/live deployment workflow paradigms with Drupal
  • Proficient in PHP
  • Proficient in MySQL, PostgreSQL

management / team leadership

  • Experience leading sysadmin teams, managing staff KPIs and continuous improvement
  • Experience writing and implementing IT Operations policies, SLAs, technical Tender responses and I.T strategies for several businesses
  • Designing, implementing and maintaining I.T budgets

disaster recovery and security auditing

  • Experience developing and implementing Disaster recovery / Backup procedures and strategies
  • Experience developing Security policies and achieveing PCI-DSS compliance
  • Experience developing backup testing and reporting tools
  • Security auditing of servers (with report)
  • Authorised penetration testing of infrastructure