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Manager Management

San Diego, CA
December 20, 2019

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Mercy Achu


Job objective: Seeking a position as a (Unix /Linux Systems Administrator)

Summary of qualifications:

Unix Linux Systems Administrator with over 5 years experience in a multiplatform Unix, Linux and Windows environment with hands-on experience in Oracle Solaris 10,11,9, RHEL 6.X/7, Centos 6.X/7, user management, incidence and security management, package management, backups, performance tuning, windows active directory, system monitoring, patching and system hardening etc. I am capable of working independently as well as in a team with little or no supervision. I work well with people and I am regarded as a good team leader and manager. I have an excellent background in technical support, troubleshooting and system maintenance.

Skill Summary

Operating Systems

Oracle Solaris /9/10, Centos 6.4, RHEL 6.5, Oracle Virtual Box, FreeNAS, Windows XP/7/8 Professional, Windows Server 2008 & 2012 R2, Vmware


Bash, Bourne, Korn shells

Storage Technologies

NAS, LVM, ZFS, VERITAS Foundation Suite,




SSH, Sudo, RBAC, SELinux, Firewall

2015-Present: UNIX / Linux System Administrator. Trinitech Consulting. Beltsville Maryland

OS installation, configuration and Introduction of Centos 6.4, RHEL, Solaris 10 servers to a network. Using interactive as well as advance installation methods such as Kickstart and Jumpstart.

Hardening and Patching of Centos, RHEL and Solaris servers. Patching in Linux using yum and in Solaris 10 using (10-Recommended patches) and upgrades (release), patching on standalone servers using (single user mode), and on production servers (live upgrade) using an alternate boot environment (ABE).

Builds yum repositories and patches Linux servers.

Created and administered accounts, implemented security Policies, password recovery, aging and complexity. Provided Backup and Restore solution to internal engineering environment

Installed and migrated Solaris zones for Application Developers to develop, test and deploy applications

Created crash and core dump files for application and Operating System (OS) failures for vendors and managed swap space

Setting-up, configuring and troubleshooting TCP/IP, DHCP, DNS; NFS, CIFS, and Samba servers in a multiplatform LAN.

Monitoring and log management on UNIX, Linux, and Windows servers, including processes, crash and swap management, and performance tuning.

Creates and administers User accounts, manages User security, password recovery, aging and complexity.

Performing multiplatform volume management using LVM and ZFS volume manager; installed and configured a LAN wide NAS (Free NAS) used for creating LUNs and attaching to Windows 2008 servers and to Solaris 10 using iSCSi.

Regulates access to system resources by configuring Access Control List (ACL), and Sudo.

Creates and manage LVM volumes and participate in root cause analysis.

Responsible for assigning hostnames, static IP addresses, default gateway addresses and DNS addresses to Windows 2008 Servers so as to introduce them to the network. Use the “dcpromo” tool to configure DNS, Active Directory as well as to promote standard Windows 2008 servers to domain control.

Setting-up a domain and an active directory on a Windows servers; installing and configuring a samba server on Linux and Solaris 10 and mapping to Windows servers.

Configuring Apache on Solaris 10 and Linux for virtual and web hosting

Involved in setting up a hybrid cloud environment and expanding the local LAN to the AWS cloud. Responsible for spinning up AWS RHEL8 and Windows Server 2019 EC2 instances.

Install and configure samba file server on the RHEL8 AWS EC2 instances, as well as configuring File and print sharing on the Windows server 2019 EC2 instances.

Map network drives from local Windows 10 NOS systems to the RHEL8 EC2 Samba shares as well as the Windows Server 2019 EC2 shares

Working with a docker containers in a test environment.

Patched Solaris 10 servers using 10-Recommended patches, built LAN-wide yum repository, pre-build repositories (HDP repo and EPEL) and patched Linux servers using yum utility. Participated in root cause analysis and system performance optimization

Installed, Configured and utilized Configuration Management Tools like ANSIBLE for Application deployment .

Demonstrated communication and leadership skills in training junior system administrators to build high performance teams and attend clients meeting as needed


National polytechnic Bambui 2008-20011


Advanced level. 2006-2008

A Level


Fluent in, English,French,Japanese.

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