Instaclick raising the bar in web development


Sr Systems Administrator

The Senior Systems Administrator is responsible for performing the day-to-day operating system administrative activities for servers running Linux. Perform daily system monitoring, verifying the integrity and availability of all hardware, server resources, systems and key processes, reviewing system and application logs, and verifying completion of scheduled jobs such as backups. In addition, the incumbent will perform assigned system administration duties for all network services in support of Web delivery and the Web development environments. This will require familiarity in software deployment and integration in a Unix environment, working predominately with Open Source tools and programs. The incumbent reports to the Systems Manager through whom general direction and priorities are set.


  • UNIX/Linux Server installation, hardening, monitoring and performance tuning.
  • Shared Primary SA for all data-center related facilities issues (power, generator, cooling)
  • Shared Primary SA for all production servers, responsible for application deployments, and regular maintenance
  • Planning and patch management
  • Technical documentation
  • Support of desktop OSX machines
  • Work with and be available to support Development and QA users
  • Diagnose server-hardware issues and complete all hardware-related maintenance (eg: swap a drive, rack-mount a server)
  • Use technical knowledge to work with and maintain a variety of server-based applications such as Nagios, Jira, Git, Ansible
  • Understand and support other systems and applications as needed
  • Support and maintain network switches, routers and firewalls
  • Other duties as assigned

Technical Expectations:

  • Minimum combination of education and experience totaling 6 years, with a preference for 3 or more years of Unix/Linux MySQL PHP and Apache work experience.
  • Solid understanding of the OSI or TCP/IP model
  • Strong understanding of Application Layer Protocols such as HTTP, DNS, SMTP
  • Excellent system level trouble shooting skills

Skills Requirements:


  • Excellent communications skills
  • Must be willing to carry a pager/phone and work into a 4 to 5 week on-call rotation (financial compensation for on-call hours)
  • Must have valid drivers license and have access to a vehicle 24/7 when on call


[email protected]