Careers@Directi

Linux Systems Administrator

Added by Nidhi Sinha, last edited by Chirayu Jayswal on Sep 15, 2011  (view change)   |   PermaLink   |   Toggle Sidebar

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The main focus of this group of techs is managing deployments consisting of 100s of linux servers and troubleshooting outages, conduct RCAs, coming up with permanent resolutions & working with System Architects for deployment automation and product development.

Responsibilities

  • Operations ownership of projects using Linux and Linux application stacks (LAMP, Ruby, Postgres, Java, Python etc)
  • Responsible for setup and uptime of large Linux deployments (100s of servers)
  • Configure and optimize mail servers, web servers, cache servers, db servers, vps and cloud servers etc
  • Incident analysis/RCAs/troubleshooting and identification of permanent resolutions
  • Liaison with customer support teams and resolve customer issues.
  • Recommend/implement automated processes for scaling operations
  • Puppet configuration management
  • Plan & automate migrations.
  • Plan and execute service/site maintenance schedules.
  • Contribute to the operations handbook.
  • Pro-actively monitor product/services/site performance, uptime, availability and analyze logs / metrics.
  • Participate on on-call rotation for fixing service downtime incidents.

Skills

You are acquainted/mastered some of the below tools/skills -

  • Linux: Excellent understanding of Linux Systems, Any Shell/Bash, sed/awk/grep/egrep, VI/VIM/Emacs, netstat, lsof, strace, ps/top/atop/dstat, grub boot config & systems rescue, fstab/disk labels, ext3/ext4, tcpdump/wireshark, IPtables, sysstat (sar/vmstat/iostat etc), run-levels & startup scripts, sudo/chroot/chkrootkit/rkhunter.
  • Fundamentals: Excellent DNS & Networking Fundamentals, TCP/UDP, IP Routing, HA & Load Balancing Concepts.
  • Storage: RAID, DAS, SAN, NAS fundamentals
  • Application Protocols: Excellent understanding of SMTP,HTTP,FTP,IMAP,POP
  • Applications: Postfix/qmail/Exim, Nginx/Apache (mod_php, mod_fcgid, CGI, php-fpm etc), Tomcat.
  • Databases: Good understanding of - SQL/RDBMS, MySQL/NDB, Postgres, MySQL/Postgres/Slony Replication.
  • Tools/Utilities: Nagios, Cacti, Ganglia, DHCP, Kickstart/Cobbler, Mcollective/Func/Fabric, Yum, RPM, GIT/SVN
  • Scripting/Programming: Any of Bash/PERL/Ruby/Python/PHP.
  • Others: Regular expressions, Excellent troubleshooting skills.
  • Good to have:
    • Configuration management : Puppet
    • Systems/Hardware: LOM/IPMI/IP KVMs, Dell Hardware.

Labels

 
 
Benefits@Directi
  • Life & Medical Insurance coverage
  • Education Sponsorships
  • Attractive loan policies
  • Free Domain and hosting for Life
  • Snacks and beverages on the house
  • Concierge Services
Careers@Directi

Life@Directi


Fun Facts about Directi
  • 98% of Directians love Star Wars
  • 100 players in the Directi Cricket League
  • 48% of Directians wear sneakers to work
  • 52% percent wear sandals
  • 6.5 ping pong games per employee, per month.
Company Facts
  • Founded in 1998
  • 600 employees globally
  • 8 offices on 3 continents
  • Powers 4.2 million domains in 240 countries


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