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Rohith Jayawardene

Devops Contract

Devops (Contractor) (Unavailable - under contract)

London, United Kingdom

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Rohith Jayawardene's Work Experience

Devops Engineer

Devops Contract

April 2015 to Present

London, United Kingdom

Not on the High Street (

Devops Engineer (contract)

April 2014 to April 2015

London, United Kingdom

Daily Mail

Linux Engineer

July 2013 to April 2014

London, United Kingdom

Rohith Jayawardene's Education

University of Westminster

Bachelor's degree Computer Science

1998 to 2001

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About Rohith Jayawardene's Current Company

Devops Engineer

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About Rohith Jayawardene

📖 Summary

- Linux/Unix Systems administration of Unix, CentOS 6/7, RedHat Linux AW/ES/AS – additional- VMware ESXi/3.5/vSphere 4.0/4.1, Docker - Proficient JAVA, Ruby and Go programmer - LAN/WAN Infrastructure (Cisco PIX/ASA Cisco Routers, Catalyst Switches, Cisco Nexus (2148T/5010), HP Procurves, IPFilters)Devops Contract @ From April 2015 to Present (9 months) London, United KingdomDevops Engineer (contract) @ - Migrated their QA, staging and testing environments off dedicated infrastructure and into the cloud. - Design, manage, coding work and configuration management changes required to move their production environment from static boxes, over to a burstable hybrid cloud. - Moved them over to Rundeck orchestration; puppetized the build process and coding work for numerous jobs managing DNS, instance life cycle and management, load balancer allocation, floating ip and volume management to name a few, and then merged these together to provide higer level application work-flows to devs and ops; i.e. deploy an app server, instance bootstrap, dns, smoke and functional checks, inject service information, ensure health checks, load balancer membership. - Automated a build, testing and verification process of the companies sandbox environment.The requirement was to perform regular builds and QA checks on numerous assigned roles, to ensure reliability of the puppet config. - Produced the proof of concept for yet another migration of over to Docker. Vagrant environments, Apache Mesos + Marathon on CoreOS, implemented service discovery solutions and a demo of an orchestration framework for delivery to production. - Wrote the auto-wiring between container services ( along with a proof of concept of dynamic application configuration ( - Aided the migration from present Rackspace managed services over to Amazon EC2. - Rolled out and assisted the developers in metrics / event collections, dashboards (for Business, Devs and Ops); using a combination of Graphite + Collectd, centralized the logging in Logstash and integerated that back into Graphite for events. - Moved their deployment process, along side numerous system and app maintenance tasks under the control of Rundeck for one click builds across their in-house Openstack, production Rackspace private and public clouds and AWS. From April 2014 to April 2015 (1 year 1 month) London, United KingdomLinux Engineer @ MailOnline ( is the world’s largest English language newspaper website reaching over 61.6 million unique monthly visitors globally, and the third largest newspaper website in America reaching 22.5 million unique monthly U.S. visitors. MailOnline is part of DMG media, a leading multi-channel consumer media company which is home to brands, including the Daily Mail, MailOnline, The Mail on Sunday, Metro, Wowcher, Jobsite and Jobrapido. From July 2013 to April 2014 (10 months) London, United KingdomLinux Engineer @ Specific Media is an online media company that enables advertisers to target audiences through advanced proprietary demographic, behavioural, contextual, geographic and retargeting technologies across a Premium Network (Premium Network reaches nearly 160 million U.S. consumers and 260 million global consumers monthly) of name brand publishers. Specific Media is the network of choice for brand advertisers, with an expanding client roster that includes 300 of the top Fortune 500 companies. - The remit of the role was complete coverage of the 3 London datacentres; approximately comprising of 300 Linux physical machines per location; front and backend, along with a cluster of MySQL databases, Hadoop cluster, Cisco Nexus network infrastructure From November 2010 to April 2013 (2 years 6 months) London, United KingdomLinux Administrator @ One of the benefits of working for the Globet – albeit a fairly large network – everything was handled internally – hence the system administrators were responsible not just for IT, user support and production – but PBX (Nortel BCM, Asterisk), procurements, contract details, design and implementation - providing a unheeded scope of work – and allowing me to touch of new systems to the more strategic opportunities of network design. With the online gambling industry forever changing the platforms, third parties integrators and systems have replicated the landscape; the present 60/40 split in favor of Linux over Windows has swung back and forth allowing us to get a grip on both platforms. • Recently completed a successful ISO27001 audit for gambling commission compliancy. • Managed the IT infrastructure across three separate regions – Gibraltar, London (Putney Office & SunGard Datacenter) and Italy – comprising of 100 servers – predominately Linux (Centos) and Windows 2003. • Implemented the migration of production elements into a high-availability cluster of ESX servers. • Worked closely along side the developers, DBA and management to help the company move forward to reaching PCI compliance and legal compliance with UK online gambling legislation. • Managed and configured security policy across HA Cisco 515E/ASA, Juniper and Nokia Checkpoint firewalls, Cisco IPS, Snort IDS and RSA SecureID. • Aided in the design and implementation of the reworking of network topology – to meet legal UK (PCI), security and performance requirements. This involved changing the entire network layout of a live production system. • Network design, implementation and deployment of the Gibraltar Linux based sports book. • Performed PCI scan clearance of Gibraltar infrastructure – from application to router level. • Replicated the production environment and virtualized in ESX cluster in order to provide developers a staging environment. From November 2006 to July 2010 (3 years 9 months) Senior Solaris UNIX Administrator @ Computers Unlimited is an independent European distributor, headquartered in London with subsidiary offices in France, Germany and Spain. They source computer software and hardware products worldwide, supplying more than 3,000 dealers in the UK & Europe. Established in 1985, Computers Unlimited went from a start-up company to become one of the largest specialist IT distributors in the UK, with an annual group turnover in excess of £110m.  Took charge and administered over a cluster of Solaris 7/8/9/10 servers - comprising of production, staging and development apache web, application, utility and oracle database’s – running across an array of Sun Sparc v100, v120, v250 and e450 hardware platforms.  Managed the companies network security, using a combination of open source systems (Snort, Tripwire, Ipfilters, Nagios) along side a commercial variant (IPMonitor) and hardware platforms (dual Cisco Pix 515E).  Due to my prior experience with Windows and Mac platforms, part of my role included resolving and administrating over the companies internal Windows 2003 domain and Apple Mac systems.  Aided in the development department – using a combination of Oracle SQL procedures, MySQL and backend JSP and web services.  Provided help desk support and escalation for both internal employees and the external client base.  Took charge of the company’s disaster and recovery procedures – server resilience and failover and data backup procedures. From April 2006 to November 2006 (8 months) Network & Systems Administrator @  Singularly managed a network base, containing amongst others, of a group of Sun servers (V210), Linux (Redhat Enterprise Server) Cluster (Sun v65x servers), Solaris 9 email cluster, Windows 2000 Server, XP, Mac servers (16 XServe rendering farm) workstations and Silicon Graphics Tezro environment  Managed, setup and configured the companies fiber channel SAN array (Sun StorEdge 3510FC).  Carried out all software/hardware maintenance, upgrades, patching and optimizing of IT infrastructure – from simple hardware tasks of memory/processor/host interfaces, to patching, compiling and optimizing kernel.  Being in the lead role, my duties also entails managing the companies IT budget - meeting technical business requirements, evaluating and deriving solutions to meet match our financial and technical spec’s.  System/Networking monitoring, incident handling, direct or through third party IT providers.  Setup, designed and maintained the companies network security policy/implementation – Dual HA Firewalls (Sun v60x appliances), IDS (Snort), real-time centralized log analysis and VPN (OpenVPN) server etc. My role at One Boy and His Cow was as Chief Network & Systems Administrator. I begun the role in the companies infancy and was the lead architect on all of the information systems and technical requirements of the company - hence working under pressure, changing circumstances, and getting tasks accomplished under a tight budget was a every day responsibility. Because I was the figure head of the companies IT resources, other responsibilities involved liaising and monitoring with business partner’s technical support, suppliers and IT service providers (negotiating and scrutinizing SLA’s) – as well as performing the day-to-day duties of a network administrator. While I thoroughly enjoyed my time at One Boy and His Cow, I wish to move onto a more technology rich and technically intensive environment – something where presents genuine options for career development. From November 2002 to August 2004 (1 year 10 months) Bachelor's degree, Computer Science @ University of Westminster From 1998 to 2001 Rohith Jayawardene is skilled in: VMware, Red Hat Linux, Linux, Nagios, Unix, Apache, CentOS, High Availability, Shell Scripting, System Administration, Bash, Perl, Cisco Technologies, Scripting, Linux System Administration

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In a nutshell

Rohith Jayawardene's Personality Type

Extraversion (E), Intuition (N), Feeling (F), Judging (J)

Average Tenure

1 year(s), 7 month(s)

Rohith Jayawardene's Willingness to Change Jobs



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