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Systems Administrator Manager

Location:
Anaheim, California, United States
Posted:
January 20, 2018

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Chukwuma Iweka

***, ***** ******* ****, #*, Anaheim, California 92805, Email; ac339t@r.postjobfree.com.

Phone ;714-***-****

UNIX/LINUX SYSTEMS ADMINISTRATOR

Proven Success in Systems Optimization and Strategic IT Solutions

More than five years strong experience in unix systems administration

Worked with over 1000 physical and 3000 virtual servers. Flavors: Solaris (10,11), Rhel(6.4,7.0) and Centos

Great knowledge in Installing, configuring and deployment of automation tools such Puppet and Ansible.

Good knowledge working in a multiplatform environment with Unix operating systems

(Solaris and Linux) and windows

Excellent Unix bash shell scripting skills

Experienced in installing and configuring various packages and applications

Experienced in Installation, Configuration, Backup, Recovery, Maintenance, Support of Linux & Solaris

Good communication skills, great problem solving and presentation skills HIGHLIGHTS OF IT SKILLS

Provided expertise Support to unix servers in production

Installed and configure storix clients for rootfs backups

Resolved technical related incidents in accordance to their priority

Developed bash shell scripts to automate manual task

Promptly resolved tcp/ip related issues

created different file systems zfs,ufs,ext4, LVM and SVM

Deployed various virtual servers including solaris ldoms,solaris zones, and VM’s(Linux and Solaris)

Provided expertise support for automation tools for software deployment (puppet and ansible)

Jumpstart and Kickstart Solaris and Linux Servers PROFESSIONAL EXPERIENCE

Unix/Linux Systems Administrator, Trinitech Consulting Inc, Beltsville, MD 2012 till Date

Installed, configured linux(6.4) and Solaris 10 operating system on x86 architecture, using interactive method, jumpstart and graphical user interface (GUI).

Hardened operating system by installing 10_Recommended patches, monitor the server by using snoop / tcpdump, Disabled services in a bid to minimize and or eliminate unauthorized server access.

Administered user’s accounts on all servers for both software development team and systems engineering team. Configured user profiles, troubleshoot and resolved user login problems

Configured network settings for both physical and virtual servers (Bond). Troubleshoot server network connectivity

Installed configured and cloned Solaris zones and migrated Solaris zones to different servers

Experienced with zpool including creating, scrubbing, replacing disks, adding space, importing and exporting zpools

Created, set mount-points and mounted ZFS for users. Setup ZFS quotas, reservation and automatic NFS-share of directories.

Monitor system processes, load averages and general health of systems. Conducted root password recovery, reset on inaccessible servers.

Configured DNS client on Solaris Zones and servers. Upgraded and or delete DNS entry/record on DNS server. Used nslookup to query dns servers and obtain server/device fully qualified domain name (FQDN).

Perform daily onsite and remote network support for various business clients

Controlled the System Logging services, and examining system Log Files of all system events

Developed bash scripting for automating administration tasks like customizing user environment, and performance monitoring and tuning

Troubleshoot and analysis of hardware and software failures for various Solaris and Linux servers (core dump and log file analysis).

Managed VMware and create virtual machines for developers whenever required

Installed and configured packages for Solaris and Linux servers such as Apache, MySQL and Samba

Installed VERITAS Volume Manager. Created disk groups, configured raid 1, raid 5 and mirrored volumes. Replaced failing disk in disk group.

Participated in on-call rotation to provide 24X7 technical supports as well as attended calls related to customer queries and complaints offering them relevant solutions.

Puppet configuration and deployment

ENVIRONMENT

Red Hat Enterprise Linux 6&7, CentOS 6.4&7, Solaris, Windows, Jumpstart, Kickstart, Puppet server, Puppet DB, Chef, VMWare and VSphere, bash Shell scripting, Apache, samba, Chef Workstation, NFS, ZFS

CERTIFICATION/EDUCATION

Oracle certified associate solaris 10 (2017), Oracle University Bachelors of Science; Major Economics (2006), Ambrose Alli University



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