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UNIX/Linux System Administrator Resume Example

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UNIX/LINUX SYSTEM ADMINISTRATOR
Summary
Seasoned UNIX/Linux System Administrator with 1+ years of IT experience. Experienced in a wide range of system support and solution based IT services for Linux, Solaris and Windows systems including, troubleshooting, monitoring, configuring and maintenance of operating system. Demonstrated strength in monitoring support operational procedures, SLA's, system Release management updates and processes, Disaster Recovery procedures and has been involved in mid-large scale infrastructure projects like data-center migrations, server provisioning and decommissioning, database and web-server upgrades. /7 on call support on a rotational basis Experienced supporting software developers and database administrators in large enterprise environment A self-motivated, responsible and reliable team player with a set of strong technical skills Excellent organizational and documentation skills Strong verbal and written communication skills Very resourceful and trainable Handled Results-driven IT personnel with an established reputation for effectively working with diverse groups of people and adaptability to changing environments Responsible for Document server baseline and procedures Responsible for Decommissioning servers following specified procedures/guidelines Leadership President of the Cameroon Students Association Oldenburg (Camsao.
Skills
  • Red Hat Enterprise Linux 5 & 6 and Network File system
  • working on 7 SAMBA, CIFS
  • Remedy /Service desk plus Solaris Zones and Containers
  • AND Centos 6 and working on 7 VMware ESXI 5.0 - 6.0
  • Service Now (Ticketing system) Logical Volume Manager(LVM)
  • Windows 2008,2012/ Active SPARC servers and X86 machines.
  • Directory Laptops and Desktops -Putty
  • VSphere (Host for VMware) Veritas Foundation Suite (VxVM)
  • TCP/IP Networking, ARP, LDAP, DNS, Windows NOS(7,8,10) -Sun4u and
  • SSH Sun4v
  • Cisco jabber(instant messenger: architectures
  • communication) Sun Solaris 10, working on Solaris
  • Ports, Firewall, iptables 11(ZFS)
  • User Account Administration SALT/Ansible
  • HPSA(Automated system)
  • Red Hat Enterprise Linux 5 & 6 and Network File s
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Experience
UNIX/Linux System AdministratorFeb 2017 to Current
Trinitech Consulting Inc － Laurel, MD
  • Provided local and remote support in UNIX/Linux system environment for small to medium sized businesses.
  • Understood the business and gathered the data as per the requirements.
  • Creating, cloning Linux Virtual Machines, templates using VMware Virtual Client 5.0/6.X and migrating servers between ESX hosts.
  • experience with Active Directory, Domain Name System, Windows Internet Naming Service, and Microsoft Exchange Day-to-Day trouble shooting for the end users on solairis 10/11 and Redhat 6/7.
  • Custom building with packages, patches, volume management.
  • Creating Zones, Containers and LDOMs installing Solaris, creating volumes, installing packages.
  • Installation and configuration of management tool Red Hat Satellite across RHEL environment.
  • Installed, configured, trouble shoot and also involved in production support of Apache and Tomcat.
  • Configured NIC Bonding on the servers, created File systems, extended the Logical Volume space as per the business requirements.
  • Worked on fixing the VLAN Switch issues for primary as well as backup NIC's.
  • Also fixed the network issues and resolved the firewall port issues on the server.
  • Environment: RHEL 6,7, solaris 10,11 VMWare 5.0.
  • Installing required patches and packages using standard RHEL utility's (YUM & RPM) on RHEL 6, 7.
  • Effective use of LVM disk Management tool to Create, extend Shrink the Logical volumes, File Systems on RHEL and Solaris.
  • Configured KickStart Server in Linux 5.x, 6.x and JumpStart Server in Solaris 9, 10 and build severs using KickStart and JumpStart server.* Creating, cloning Linux Virtual Machines, templates using VMware Virtual Client 5 and migrating servers between ESX hosts.
  • Configuring DNS, DHCP, NIS, NFS in Red Hat Linux 6, 7 ; solaris 10,11 & other Network Services, Linux kernel, memory upgrades and swaps area.* Network trouble shooting using netstat, ifconfig and Monitored server and application performance & tuning via various stat commands like vmstat, nfsstat, iostat and tuned I/O, memory, etc.
  • Experience in Developing BASH, PERL shell scripts to automate cron jobs and system maint Formatted raw disks & partitioned them using the fdisk utility.
  • Created file system using newfs and mounted it.
System AdministratorMay 2015 to Feb 2017
Visa International － Owings Mills, MD
  • Installing and configuring of Solaris 8, 9, 10 & 11 on (SPARC & X86machines) and RHEL 5 & 6 & Centos 6 on Linux Servers and VMware Installed and configured Oracle software virtualization (Zones/Containers) and VMware ESI and workstation 8, for X86 machines Upgraded, migrated, decommissioned servers from old Hardware to New Architecture Handled Securing/hardening OS systems using password aging and complexity, firewall, as well as providing User and security administration on Solaris 10 and RHEL Extensive use of LVM by using physical volume to create Volume Groups, Logical volumes, Resize Volumes Used Veritas Volume Manager(VxVM) and LVM command line commands to create , grow and or mirror new volumes and files systems Created Linux virtual machines using VMware Handled Ticketing system with Service desk plus Maintain system accounting files, application logs and error logs, through the use of /var/adm loginlog(/etc default/login),sulogs,/var/adm/authlog, var/adm/messages, var/log/messages,dmesg Configured and managed DHCP,TCP/IP,DNS, LAN,NFS; troubleshooting and resolving complex hardware, software and network problems Performed File System backup and restoration using UFS dump and restore ( full, incremental & differential backups with Cron jobs), CPIO(some files and directories) Tar and pass-through for mounted files and directories Performed PKGADD & PKGUTIL on Solaris whereas, I would use RPM & YUM on Linux for package installations Monitored and managed System Capacity, Performance and System Processes using standard UNIX tools( prstat, vmstat).
  • ps, iostat, netstat, prntconf, sysdef, Puppet and Nagios to name a few Setup NFS implementation using both static mount points and automount Patched Solaris 10 servers and Zones using Solaris 10 Recommended either on a new server in single user mode or a production server in Live upgrade mode Performed Memory and Swap management to improve optimization and performance of the servers Performed routine server administration tasks like user management, performance enhancement, and system monitoring and disk management Responsible for investigating and troubleshoot issues by determining root cause and remediate application, system, infrastructure issues and take proactive measures to prevent future occurrences Working Knowledge of programming or writing bash shell script: -Input script command -Read -Command to broadcast information (su):Wall -Command to test particular condition; test | grep -If, then else, fi command in script -Loop command; while, for, until i)" while do" ii) For variable' -in statement -Arithmetic evaluation Have Working knowledge of Windows 2008 /2012 servers: installation and configuration (AD DS, DHCP, DNS amp; VPN) Have Working knowledge and experience in Jumpstart /Kickstart Provided technical support for end-user customers, diagnose and resolve problems associated with network connections Experienced with Solaris 10 Zones Global and Non-Global Zones).
  • Configuring, migration and resource managements with Zones + resource control=Containers.
  • Configure and implement hardware RAID storage (RAID0,RAID1,RAID5,RAID 0+1 & RAID 1+0) Responsible for System Security Administration implementation using RBAC,ACL and Sudo Worked with Vendor on replacing outdated software and applications Created, expanded, resized quota, assigned mount points on ZFS file system on Solaris 10, ZFS using Zpool, ZFS commands.
  • Solaris V11 Familiar with the use and setup of NAS/SAN/LUNS, to create more virtual storage.
  • APACHE web server installation and configuration-Basic use Provided 24.
TeacherJun 2012 to Aug 2013
Schülerhilfe GmbH & Co. KG － Oldenburg, Germany
  • Taught students of different grades in mathematics, physics, chemistry, biology and.
  • French.
  • Prepared students for final examinations (high school certificate, secondary.
  • school living certificate and intermediate high school diploma).
Apr 2011 to Jan 2015
Inform GmbH － Aachen, Germany
  • Carried out the translation (German to French) for manuals, reports, technical.
  • documentation, marketing-materials and program interfaces.
  • Maintained and updated.
  • the documentation system Author-It.
Education and Training
Master of Science, Engineering Physics Medical Physics2015Carl von Ossiesky University － Oldenburg, GermanyEngineering Physics Medical Physics
Bachelor of Science, Biotechnology2011University of Applied Science － Aachen, GermanyBiotechnology
Interests
President of the Cameroon Students Association Oldenburg (Camsao) 2013-2014 Organized socio-cultural events for international students (ISO) Facilitated the integration of Cameroonians students at the university and in Germany. President of Young Men's Christian Association (YMCA) Cameroon of the diaspora. 2015 till date Coordinate support for projects and programs carried out by YMCA Cameroon. Organize monthly virtual meetings between members in diaspora.
Languages
English, French & German
Skills
Apache, APACHE web server, biology, chemistry, Cisco, DNS, Domain Name System, Firewall, Linux 5.x, Linux, Linux 5, marketing-materials, mathematics, Microsoft Exchange, NAS, NFS, Network File system, Oracle, PERL, Physics, Red Hat Linux 6, Redhat 6, Red Hat, SSH, shell scripts, Sun Solaris, Solaris 8, Solaris 9, Solaris, technical support, technical documentation, Tomcat, UNIX, VPN
Additional Information
  • Biotechnology Leadership President of the Cameroon Students Association Oldenburg (Camsao) 2013-2014 Organized socio-cultural events for international students (ISO) Facilitated the integration of Cameroonians students at the university and in Germany. President of Young Men's Christian Association (YMCA) Cameroon of the diaspora. 2015 till date Coordinate support for projects and programs carried out by YMCA Cameroon. Organize monthly virtual meetings between members in diaspora.
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Resume Overview

Companies Worked For:

  • Trinitech Consulting Inc
  • Visa International
  • Schülerhilfe GmbH & Co. KG
  • Inform GmbH

School Attended

  • Carl von Ossiesky University
  • University of Applied Science

Job Titles Held:

  • UNIX/Linux System Administrator
  • System Administrator
  • Teacher

Degrees

  • Master of Science , Engineering Physics Medical Physics 2015
    Bachelor of Science , Biotechnology 2011

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