Linux System Administrator

Quantum is currently seeking a Sr. Linux Administrator. The ideal candidate will maximize up time with minimum effort and will thrive in a dynamic environment. Additionally, the right person will be able to advise management of system related issues and how to avoid them; ensure that systems remain stable, secure and fast; and integrate and leverage new technologies.
Linux Administrator you will be a part of the team responsible for all Linux systems used in production, staging, and development environments.
• Setup, configuration, general maintenance and troubleshooting of all Unix and Linux systems.
• Administration of server, network and storage hardware.
• Management of Linux systems and server applications.
• Assisting DBAs, Developers and QA users, with application operation, performance tuning, and troubleshooting.
• Serve as Subject Matter Expert (SME) for one or more systems such as Monitoring, Configuration Management, Load Balancing, Network and Application Security, Storage Management, Infrastructure Automation, Application/Language Support, and/or Site Migrations.
• Respond to service outages.
• Manage internal systems such as Mail and DNS.
• Performance tuning of applications such as Apache, Tomcat, lighttpd, nginx, and varnish.

Requirements
• Experience with highly available, multi-node linux environments or server farms.
• Familiarity with configuration management tools such as Ansible, Salt, Puppet or Chef.
• Experience with RedHat based Linux distributions such as RHEL, CentOS or Fedora.
• Knowledge of managing and configuring RAID systems, including SAN/NAS appliances.
• Ability to lift and install Server, Storage, and Network Hardware.
• Basic familiarity with at least one networking CLI environment, such as Cisco, F5, Force10, Foundry, Juniper, Brocade, Quagga.
• Familiarity with at least one virtualization stack, eg, CloudStack, Xen, KVM, etc..
• Working knowledge of at least one RDBMS, eg Oracle, MySQL, Postgres, etc..
• Strong understanding of Linux security best practices and forensic techniques, eg, tcpdump, wireshark, iptables, ipset.
• Scripting in at least one language other than BASH, eg Ruby, Python, Perl, PHP, TCL.
• Excellent written and oral communication skills.
• Professional demeanor (tattoos ok).
• Can participate in 24x7 on-call rotation.
• BS or equivalent work experience.