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full time Senior Systems Administrator (Waterloo/Kitchener)

at Jobs in Toronto in Toronto

LookSmart, an online advertising company, is looking for an experienced Senior Linux/Solaris system administrator with exposure to enterprise level networking. We are one of the advertising networks, processing billions of queries per day on a complex, globally-distributed system. The ideal candidate has experience managing large scale operational environments.

This position requires superb technical, critical and communication skills, a genuine interest in understanding and delivering to business objectives, a passion for uptime, and an ability to roll with and contribute to a disciplined-but-entrepreneurial work environment.

The position is located onsite at our Waterloo-region office


Daily sysadmin tasks in a high-volume traffic environment consisting of 500+ Linux /Solaris servers
Design, build, automate, support and maintain operations infrastructure
Collaborate with Engineering teams on software releases and provision & update the necessary server environment using automation tools
Troubleshoot, resolve and prevent system issues
Proactively manage & evolve the availability, scalability, performance, and efficiency of our platforms
Initiate, promote and utilize IT, CM and SCM best practices
Participation in on-call rotation for 24x7 coverage
Minimum Qualifications

Experience managing 100+ Linux/Solaris servers in a high volume network traffic environment under 24x7 support
Deep understanding of routing, switching, 802.1q, and core network services: DNS, SMTP, SNMP, NFS
Solid understanding of configuration management software: Puppet, Cfengine2; shell scripting
Exposure to server provisioning tools: FAI, Cobbler, kickstart or similar systems
Solid understanding of source control systems: Git, Subversion
Understanding data center operational metrics, escalation procedures, runbooks
Solid understanding of correlating and analyzing monitoring events from monitoring systems: Nagios (1000+ sensors, event handlers), Ganglia, Cacti
Sysadmin support for the software release cycle
Ability to quickly diagnose and troubleshoot problems under time pressure
Excellent communication, teamwork, and documentation skills
Preferred Qualifications

Virtualization: OpenStack, KVM, VMware
Experience with Cisco networking: Nexus, Catalyst, ASA
Big IP F5 experience
Previous experience in ISP, search engine or similar high volume traffic company
Software development experience
Please send cover letter and resume to the address above

LookSmart is an Equal Opportunity Employer. LookSmart offers competitive salaries, excellent benefits, and an employee stock purchase plan. LookSmart is hiring people for many different positions. To see a full list of our job opportunities please visit our website:

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Published at 25-09-2012
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