John Ross 623 Greenwood Ave, Toronto, Ontario M4J 4B1 Cell: 647-290-5018 E-Mail: jhr@pretzel-logic.ca Objective UNIX Systems Administrator / LINUX Systems Administrator / Infrastructure Engineer / Automation Specialist / Architect Profile Senior IT Professional with: Over 15 years of experience in IT Extensive experience with a variety of UNIX and LINUX operating systems Excellent knowledge of Internet technologies Broad knowledge of networking tools and protocols Experienced with both physical and electronic security methodologies Employment History: MessageLabs/Symantec Provider of “software as a service” (SaaS) security products. Offers in-line web, IM and email filtering over a global network. Senior Service Platform Engineer August 2009 – Present Responsible for planning, building upgrades and new features into the Web and IM products, while ensuring that the infrastructure can be supported by the NOC Build and maintain MessageLabs’ global SaaS web filtering infrastructure to maintain 100% service availability Co-ordinate with hardware and software deployment teams to ensure smooth upgrades Represent the infrastructure team on projects to ensure new features can be effectively supported and maintained Led the effort to automate setup of new clusters, reducing implementation times for new environments by 80% Assist the NPS team in implementing upgrades to allow QA to properly test new services Technologies Used: HP DL360 / RedHat Linux / F5 LTM / F5 GTM / VMWare / PXE / Squid / Shell Scripting / NetApp / Cisco Switches Non-Production Support Engineer September 2007 – August 2009 Designed and built new development and QA environments in Toronto Implemented and maintained a network in Toronto to support the QA and development teams Assisted in the design of a new network to support virtualization and allow faster provisioning and better support with lower costs Support the development and QA departments in Toronto Liaise with Service Platform Engineers to design and implement new functional testing environments Technologies Used: HP DL360 / RedHat Linux / Cisco CSS / VMWare / Shell Scripting / Cacti / NetApp / Cisco Switches Pretzel Logic E-Mail and groupware hosting provider Owner/Operator September 2005 – September 2007 Started this business to focus on minimizing silently dropped emails while maintaining accurate SPAM and virus detection Designed and built a scalable e-mail and groupware hosting platform to provide clients with maximum uptime and performance Set up and maintained a set of firewalls based on OpenBSD's PF to protect against unwanted and/or malicious traffic Implemented advanced SPAM and anti-virus solutions to help ensure end-users' security Constantly monitored the network and servers for security breaches using pro-active countermeasures and intrusion detection systems Monitor for performance problems to ensure that customers continue to receive excellent service Technologies Used: FreeBSD / PF / Anti-virus / Anti-SPAM / Postfix / Cyrus IMAP / OpenGroupware / Horde Groupware / Apache / PostgreSQL TD Canada Trust A large international bank based in Canada Contractor April 2002-June 2006 Built a large distributed batch processing system Led the batch development of two major projects that continues to save the bank several million dollars per quarter Helped architect and implement a massively distributed computing grid Helped design and implement procedures to ensure the bank remained SOX/COSO compliant Mentored new team members, enabling them to become valuable resources Designed and developed multiple monitoring applications to enable troubleshooting and accelerate resolution times Technologies Used: BASH Shell Scripting / PERL / Sun Grid Engine / Solaris / Suse Linux / Apache Netcom/AT&T Canada IES A national ISP that offered access as well as hosting. Over 5 years I held three different positions, the last of which was a UNIX Systems Administrator UNIX Systems Administrator June 1998 – April 2002 A member of a large team that was responsible for all production UNIX servers Developed and secured the server template for the FreeBSD servers to allow fast provisioning of new hardware Helped ensure servers and networks were secure and kept current Lead the sysadmin group's Y2K effort to ensure service levels would be maintained through the year 2000 turnover Trained the customer maintenance group on DNS procedures to facilitate the handoff from the Sysadmin group Technologies Used: Solaris / FreeBSD / Apache / SendMail / Postfix / Sparc Servers / NetApp Education Private Pilot’s License (March 2001) Cisco ICND (March 2001) Solaris System Administration II (September 1998) Ontario Secondary School Diploma (June 1996)