Job Description :
Linux Admin
Mc-Lean VA
Contract to Hire

Preferred Skill Set Required
Experience with RedHat Linux servers in virtualized environments and Amazon Cloud
Experience with the Linux scripting languages
Experience installing, configuring, and maintaining services such as Bind, Apache, MySQL, nginx, etc.
Support development team in deployment, sftp file process etc.
Strong grasp on configuration management tools
Familiarity with load balancing, firewalls, etc.
Proficient with network tools such as iptables, Linux IPVS, HAProxy, etc.
Fluency in administering Apache, Tomcat, Jetty, HAProxy and Nginx proxies and web-servers.
Extensive experience administering Linux in a virtualization environment.
Experience with cloud technologies such as CloudStack, VMware, AWS etc.
Solid track record of deploying and automating self-scaling redundant infrastructure.
Experience working with and setup of automation using tools such as Puppet and GIT/Stash.
Familiarity with GlusterFS, NFS is plus.
Set up back-up mechanisms for production environments and test disaster recovery mechanisms.
Proven ability to write clear, concise documentation.
Cares greatly about automation and has little tolerance for repetitive manual work.
High level of problem solving and conflict resolution capabilities.
Has good communication skills and can interface with remote teams in an effective manner.
Ability to build and monitor services on production servers.
Excellent experience of Linux and Solaris Containers and LDOM configurations
Excellent understanding of creating and managing Solaris Flash Archive (FLAR)
Excellent experience with managing High Availability and Disaster Recovery of SPRAC servers
Excellent understanding of managing servers running Oracle Database & Middleware services
Expertise in Linux / Solaris expertise and AIX exposure Expertise in Bash / Shell script
Should have experience in managing VMware Linux servers. .
Expertise in Solaris 10 / 11 and RHEL versions
Experience in handling file system issues / request on Linux and Solaris. ( Candidate should have strong knowledge on Basics in all the area in filesystems)
Candidate should have experience leading the technical team.
Experience handling NFS issue and should have knowledge of differences between multiple version in the NFS versions.
Expertise in Multipath configurations
Adding new SAN disk in OS and extending filesystems.
Knowledge on Kerberos authentications in NFS
Experience Network card teaming
Responsible for administration, configuration, troubleshooting and support of server environments running under various Operating Systems including Solaris,Linux and AIX.
Responsible for Unix Systems administration, configuration, troubleshooting, upgrades and support in heterogeneous server environments running under various Operating Systems including Red Hat Linux, Oracle (Sun) Solaris.
Responsible for installing, configuring and maintaining IBM p Series, x86 and SPARC Servers including virtualized servers.
Perform regular day-to-day Systems Administration activities such as User Administrations, Disk Management, Package Install, Patch Management, Storage Management, NFS Administration and disaster recovery/fail-over exercises.
Responsible for MPIO/DMP configuration for SAN disks using native OS or third party EMC Power path, VERITAS MPIO drivers on Linux and Solaris Servers.
Identify, analyze, fix, and determine root cause, follow-up and coordinate changes to resolve complex problems involving hardware, software, networking and applications.
Responsible for regular backup and restore operations for AIX, Linux and Solaris Systems using Tivoli Storage Manager. Identify, control, maintain and verify OS baseline configurations and manage server resources and predict the need for additional capacity in advance.
Install and configure various enterprise wide infrastructure tools including automation tool, job scheduler, authentication and authorization software, and backup tools on AIX, Linux and Solaris Servers.
Quickly restore service during system outages, provide troubleshooting support to team members, perform proactive problem prevention, and escalate technical details to technical lead and/or to vendor support.
Write technical documentation, operational procedures, systems documentation and Incident and problem communications and reporting.
Assist with the monitoring performance analysis of existing applications and ensuring that the system is consistent with ongoing need.
Install and support of the server operating system, system management software and operating system utilities.
Manage the operating system configuration including initial server configuration, modifying configuration files, system configuration documentation and access to system configuration files
Manage operating system file systems including creating, maintaining and deleting volumes and directory structures, modifying file system sizes, verifying mount point availability, repairing defective file systems and modifying file system permissions
Manage Operating System Processes (e.g., continuously running system subtasks, or daemons) including refreshing processes as required, establishing startup sequences, maintaining system clock synchronization and changing process priorities as appropriate
Recommend operating system updates and configuration modification
Maintain standard and critical tools
Implement corrective actions approved through Change Management Process
Manage System IDs
Remediate findings from security health checks
Adhere to standard security processes and procedures (Does not include User ID Admin)
Support trusted third party security servers authentication
Create and modify system login/logon scripts
Assign account, workgroup and print managers
Installation of print drivers and definition and management of print queues
Administer file system directory distribution and replication
Perform installation, initial configuration and OS level support of antivirus client software.
Create and maintain disaster recovery scripts related to the server infrastructure
Take part in after-hours on-call rotation schedule and weekend activities.
Provide 24 x 7 support for Linux infrastructure