Linux Administrator Specialties: Redhat, Unix, Linux, Support, Windows, Windows Server, Virtualization, Monitoring, Metrics

Site Reliability Engineer @ From July 2015 to September 2015 (3 months) London, United KingdomSenior System Administrator @ Achievements include: - Implementation of Puppet configuration management which became the core of the deployment methodology. One of 2 lead developers for Puppet implementation. - Deployment and tuning of distributed, highly available, modern monitoring stack (Sensu) and development of a variety of associated components using Python, Ruby and Bash - Assisted in 3 x datacenter deployments in multiple european locations - Deployment of metrics as a service platform, using technologies such as graphite, collectd and statsd allowing developers better insight into the performance of their app - Centralized logging implementation using ELK stack to give better insights into application performance From October 2012 to July 2015 (2 years 10 months) London, United KingdomSystem Administrator @ Management and support for large organisation with Windows Active Directory infrastructure. Responsible for creation of, management and support of Windows domain for external customer which utilised various technologies such as VMWare, Microsoft Exchange 2010, Windows Server services (AD, DNS, DHCP, DFS, GPO) to fully realise companies needs. High level troubleshooting responsibilities diagnosing root cause for various intricate problems that arose. Creation of Powershell and Perl scripts to automate daily tasks. From October 2011 to October 2012 (1 year 1 month) London, United KingdomUnix Consultant - Compute Backbone @ Member of the Sysadmin team with the High Tech Compute Backbone Team based in Victoria Embankment, London. Responsible for system builds, configuration management of large (500+) compute cluster over a wide range of locations. Use of Nagios, Puppet and Cobbler to automate deployment and configuration of hosts depending on variables. From January 2011 to August 2011 (8 months) Associate, Technical Operations @ Support and maintenance of 60+ Windows XP machines, 13 application servers and 4 file servers. Active Directory management and control. Domino server administration as well as support for Lotus Notes. Testing and support for a variety of bespoke, in house JAVA applications. Management of SQL Server, Virtualisation platform and Tomcat Applications. From October 2010 to February 2011 (5 months) Development & Support Officer @ Maintenance and Support for CentOS (with Samba and OpenLDAP) network with 400+ Windows XP Client Machines. Exchange Email, Intranet (with several self created PHP and MySQL applications) and Windows Server thin client system were all installed and maintained over the course of the year. Also implemented a Moodle VLE, Drupal staff portal and Mahara web portfolio students. Administration and support of Unix & Linux based servers with variety of OS (CentOS, Ubuntu, OpenSolaris) and variety of applications and services. From August 2008 to June 2010 (1 year 11 months)

Bachelor's Degree, Computing, First Class Honour @ De Montfort University From 2006 to 2010 Lee Briggs is skilled in: Linux, Virtualization, Unix, Active Directory, Network Security, Red Hat Linux, RedHat, CentOS, Data Center, TCP/IP, Shell Scripting, Servers, System Monitoring, DevOps, Ruby