Christian Allen

Provide technical advice and support to home automation and electrical installation business. Work includes programming in C and bash on Linux, website development/hosting and advising on IP infrastructure and security. Ubuntu Linux, CentOS, Arduino, Raspberry Pi

Working on government projects. Day​to​day management and operational support of systems in multiple UK data centres, primarily on Linux (Debian; CentOS) running XenServer VMs (Linux, Windows). Guest VMs and application services deployed using Chef Server from Git repositories. Applications supported largely written in Java on Tomcat with Oracle and MySQL. SDLC management through Jira, Confluence, Slack.

Lead engineer for Software Defined Infrastructure, OpenStack deployment on Linux (CentOS,Debian,Ubuntu,Red Hat) ARMv8 64-bit server environment. Deployed OpenStack on AArch64 servers in data-centres in Austin, Texas and Cambridge, UK. Working with OpenStack upstream developers and maintainers, Linux kernel maintainers, hardware manufactures (AMD, HP, Qualcomm, etc). Team members in India, Europe and USA. Regular interaction with colleagues in Asia, Europe, North and South America.

OpenStack development on ARMv8 (64-bit) Linux server environment (CentOS,Debian,Ubuntu,Red Hat). Deployed OpenStack on AArch64 servers in US and UK. Worked with OpenStack and Linux kernel developers, manufactures (AMD, HP, Qualcomm, etc). SDI team members are distributed globally from India, UK and USA. Linux, ARMv7/v8, x86, OpenStack (Liberty/Mitaka), scripting (bash,perl,python); Jira, Jenkins,Confluence.

Linux System Administrator within the Broadcast Systems Development team. The team develops, maintains and supports video ingest, editing and broadcast systems, and on-screen graphics tools used by BBC News, regions and nations. Activities include infrastructure development and support of SuperMicro and HP blades; XenServer and VMware hosting Linux and Windows Server OSes; automation and scripting (Bash and Perl); services management (Oracle, MySQL, Jenkins, Confluence, etc).

Freelance role supporting merging of multiple platforms to new common system.

Developing monitoring and backup code for this global company’s Managed Security Services appliances. Appliances include Cisco, NetApp, Juniper, BigIP. Debian, Centos, Red Hat Linux, Perl, bash, MySQL; TDD

Supported IP network and servers for 100+ engineersfor TV and Mobile Platforms. Proposed, designed and built Private Cloud IaaS platform. Provide developers and testers automated provision of network services: traffic shaping, proxy, DNS spoofing and compute for continuous integration and scaled product testing. Hardware procurement, installation, configuration and project management. Cisco, Netgear, VMWare ESXi, VLAN’d Wifi, SAN/NAS.

Developer on BBC iPlayer. Developed monitoring tools for monitoring iPlayer website, assets availability, and CDN and client performance. Processed real time data from clients; low latency monitoring of Content Distribution Networks. Project Canvas (YouView) meta-data scripts (Ruby). Developed applications in ActionScript 2/3 and HTML. Took on management of IP network in Manchester office and physical move to MediaCityUK. Perl, Template Toolkit, Catalyst MySQL, Apache, Sun Solaris, Linux, bash

Credit referencing and insurance services to letting agents and landlords. Responsible for refactoring, fixing bugs, improving data security, mentoring other developers and advising on Perl coding standards. Debian/Ubuntu and Red Hat.

VOIP traffic accounting and auditing solutions. Linux, Apache, MySQL and Perl .

Perl software developer and Linux system administration (Debian/Ubuntu, Red Hat).

Website development in Perl. Clients included LG Electronics, UK Skills Council.

SMS gateway management systems. Debian Linux, Perl, MySQL.

Developed and extended the company’s “Guide” platform. Perl, mod_perl, MySQL. Red Hat Linux.

Website development in Perl, HTML. Clients included Jupiter, Nomura, Kelvin Hughes, Iglu.com

Developed on­line loans calculator for Citibank website. Perl. Sun Solaris.