Linux Administrator Job in Mumbai

Linux Administrator Job in Mumbai If you are looking Linux Administrator job in mumbai then you can apply for this job for this job qualification is B.Tech/B.E. – Any Specialization, B.Sc – Computers, BCA – Computers or M.Tech – Any Specialization, Computers, MCA – Computers, M.Sc – Any Specialization, Computers Read bellow for more details.

Responsibilities
  • Operations ownership of projects using Linux and Linux application stack (LAMP, Ruby, Postgres, Java, Python, etc)
  • Responsible for setup and uptime of large Linux deployments (Large no. 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 migration and operation.
  • 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.
  • Team management and mentoring skill.
Requirements

  • 5+ years experience systems administration in a production environment supporting a Email architecture.
  • In-depth experience in deploying or managing mid to large scale email environment,
  • Extensive experience with the Linux operating system (Experience with RHEL & CentOS preferred).
  • Clear understanding of Linux internals (e.g. Memory management, File Systems, Process Management, …)
  • Sound understanding of networking concepts and DNS,

Strong working knowledge and previous experience supporting the following:

  • Postfix
  • Postgres
  • SSL
  • DNS
  • Dovecot
  • Cloudmark
  • Clamd
  • Apache/Tomca/Nginx
  • Sympa/Mailman/Ezmlm
  • Sendmail
  • DRBD
  • Open- Xchange (OX)

Also Should Posess the Following Traits:

  • Strong oral and written communications skills.
  • Strong focus on organization and attention to detail.
  • Security Centric
    Self Learning and always abreast of cutting edge technologies
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/xfs, tcpdump/wireshark, IPtables, sysstat (sar/vmstat/iostat etc), init/systemd,run-levels & startup scripts, sudo/chroot/chkrootkit/rkhunter.

Fundamentals :

  • Excellent DNS & Networking Fundamentals, TCP/UDP, IP Routing, HA & Load Balancing Concepts.
  • Storage: RAID, LVM, DAS, SAN, NAS (NFS,NetApp etc.) fundamentals
Applications/ Protocols / Database/Tools Knowledge :
  • Excellent understanding of SMTP/POP/IMAP,HTTP/S,FTP
  • Applications: Postfix/Apache/Nginx/Dovecot, Mail archiving,
  • Databases: Good understanding of – SQL/RDBMS, MySQL/NDB, Postgres, MySQL/Postgres/Slony Replication, DRBD
  • 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:

o PBX System management: Asterisk
o Virtualization: Citrix Xen
o Configuration management : Puppet,Chef,Jenkins
o Systems/Hardware: IPMI/IP KVMs, Dell Hardware,IBM.