Curriculum vitae / Lauri Tirkkonen

Contact

2008–2016: M.Sc. (Tech), Computer Science and Engineering at Aalto University School of Science (form. Helsinki University of Technology)
2007: matriculation at Outokummun lukio

Tuxera Inc.
Release Engineer, April 2017–present
Aalto University Department of Computer Science and Engineering
Systems Designer, May 2009–May 2011, September 2011–March 2017
- Unix (Solaris, illumos, Linux, OpenBSD) server and workstation administration. Xen and KVM virtualization, containerization with illumos zones
- Building and upgrading internal systems, migrating from legacy solutions. Examples:
  - LDAP authentication and name services
  - Puppet configuration management for workstations and servers
  - Redundant firewalls with pfsync and CARP
- Improving processes and workflows, eg. putting everything under version control, deploying an issue tracker
Eniram Ltd.
Software Developer, May 2011–August 2011
- Maintenance/development of custom Linux distribution
- Utilities and automation in Python and shell
Assembly Organizing
SystemsCrew/Function Head, December 2010–February 2011
SystemsCrew/Field Engineer, August 2010–December 2010
InfoCrew/Customer Support, August 2008–July 2010

Operating systems
- OpenBSD
- Various GNU/Linux distributions (Debian, Ubuntu, RHEL… you name it)
- illumos, Solaris 10, 11, OpenSolaris
Language preferences: Python, shell, C
Instrumentation and debugging with eg. DTrace and various debuggers
Strong TCP/IP knowledge and debugging skills
ZFS
Network security, eg. firewalls (pf, iptables), PKI (SSL/TLS), PGP, authentication and authorization
Configuration management: Ansible, Puppet
Porting, packaging, patching and contributing to open source software