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Linux System Administrator Resume Example

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LINUX SYSTEM ADMINISTRATOR
Professional Summary

Linux System Administrator with 5+ years successfully managing diverse distros and multi-site installations. Proficient at streamlining all scales of system architecture, from single terminals to 1000+ networked servers. Expert at maintaining smooth operation of Linux-based hardware installations with dynamic performance in environments relying upon diverse operating systems.

Skills
  • Linux RHEL v6,7&8
  • CentOS v6,7&8
  • Patching Linux server
  • Setup Linux KVM virtualization
  • Performance measurement, tuning
  • NFS, SAMBA, DNS
  • VFAT, EXT3, EXT4, XFS
  • FIREWALLD, SELinux
  • Apache, OSI
  • Automate, Printer
  • Backup, Printers
  • Bash, Processes
  • Basic, Process management
  • Cable, RAM
  • CLI, SAMBA
  • Hardware, SSH
  • CPU, Servers
  • Encryption, Script
  • Customer satisfaction, Shell script
  • Customer service, SPARC
  • Database, Switches
  • Disaster recovery, TCP/IP
  • DNS, Technical support
  • File management, Phone
  • HTTP, Troubleshoot
  • Ink, Troubleshooting
  • Linux, Upgrades
  • Linux 6
  • Managing
  • Memory
  • Excel
  • PowerPoint
  • Window
  • Word
  • Enterprise
  • NFS
  • Network
  • OS
  • Optimization
  • Oracle
  • Performance testing
  • Mass Storage Deployment
  • Administrative Policy Development
  • Samba proficiency
  • System monitoring
  • Multi-User System Management
  • Server Management
  • Knowledge with RedHat
  • Debugging networks
  • Linux
  • Program installations
  • Hardware knowledge
  • Servers expertise
  • System upgrades
  • Infrastructure planning
  • Skilled in Apache
  • Technical analysis
  • Communications
  • First Aid/CPR
  • Team building
  • Operational improvement
Work History
04/2017 - CurrentLinux System Administrator | IT Resolve Inc - NW, Washington DC
  • Patching Linux 6, 7 and 8 and schedule the amount of downtime to apply the patch.
  • Securing data with encryption (SSH Keys - public and private - for secure connections).
  • Perform multiplatform volume management using LVM and VDO volume manager.
  • Locate and interpret system LOG Files and Journals.
  • Install and configure ISCSI storage.
  • Troubleshoot users account and file system issues.
  • Install and configure MariaDB database.
  • Implementation and monitoring system backup and disaster recovery.
  • Load balancing to distribute incoming traffic evenly across backend servers.
  • Investigate and resolve all daily assign tickets with Jira.
  • Working with VMware ESXI and VMware sphere.
  • Automate servers installation with kickstart through NFS.
  • TCP/IP model and all 7 layers of network (OSI Model).
  • Perform system performance optimization, System tuning and swappiness recommendation.
  • Configuring Apache HTTP server and troubleshooting.
  • Schedule daily running task with script and crontab.
  • Use ansible to automate majors work such as patching and installing.
  • Providing a high level of technical support to customers via the phone, chat and ticketing system.
  • Produce and deliver reports on system utilization (processor, memory, disk, and network.
  • Troubleshoot and perform hardware maintenance of various Enterprise-level Oracle SPARC systems.
  • Run network cable for new systems and switches.
  • Monitor Nagios for warning and critical alert and troubleshoot.
  • Patching Linux 6,7&8 schedule the amount of downtime to apply the patch.
  • Managing and configuring repositories, GPG key with using YUM and RPM, File management GID, ACL, Group.
  • Managing the systems time and configure the chronyd service to work with NTP.
  • Securing data with encryption (SSH Keys - public and private - for secure connections).
  • Identifying CPU/memory Intensive processes, adjust process priority and kill processes using pgrep, pkill, kill and jobs commands and great with CLI.
  • Write bash shell script to help in System admin task, create and maintain systems documentations.
  • Package management, compression and decompression tool.
  • Install and configure SAMBA and NFS.
  • Basic KVM installation.
  • Tuned system performance to optimize efficacy of new and existing hardware components.
  • Maintained smooth operation of multi-user computer systems through collaboration with hardware and network engineers.
  • Installed system-wide hardware components, confirming interoperation and compatibility with Linux-based software distros.
  • Configured and maintained web servers with 100+ end users.
  • Ensured business continuity by designing disaster recovery systems.
  • Resolved vulnerabilities by making improvements to network security.
  • Managed backup and disaster recovery through strict data control and retention policies, personally handling recovery tasks when issues arose.
  • Monitored networks and network devices to resolve technical problems quickly.
  • Resolved issues and escalated problems with knowledgeable support and quality service.
  • Maintained flexible schedule and responded to after-hoursand weekend emergencies.
  • Standardized job tasks and trained junior team members on industry best practices and standards.
03/2015 - 04/2017Linux Systems Administrator | ACTIONET, Inc - Largo, MD
  • Perform multiplatform volume management using LVM, ZFS, VDO volume manager.
  • Configuring Apache HTTP server and troubleshooting.
  • TCP/IP model and all 7 layers of network (OSI Model).
  • Produce and deliver reports on system utilization (processor, memory, disk, and network).
  • Locate and interpret system LOG Files and Journals.
  • Package management, compression and decompression tool.
  • Managing and configuring repositories, GPG key with using YUM and RPM.
  • Files management GID.
  • Account and password manipulation.
  • Manage and organize users account and password aging.
  • Write bash shell script to help in System admin task, create and maintain systems documentations.
  • Support daily operations including monitoring, alerting, troubleshooting, capacity management, provisioning, hardware and software configuration, patching, upgrades and performance monitoring/tuning.
  • Perform other duties requested in coordination with management.
  • Providing a high level of technical support to customers via the phone, chat and ticketing system.
  • Support daily operations including monitoring, alerting, troubleshooting, capacity management, provisioning, hardware and software configuration, patching, upgrades and performance monitoring/tuning.
  • Basic KVM installation.
  • Expert in installing RHEL 7&8 server.
  • Made recommendations regarding information technology infrastructure overhauls.
  • Analyzed complex project server issues and worked on large enterprise and business-critical applications.
  • Diagnosed and executed resolution for all network and server issues.
  • Resolved issues and escalated problems with knowledgeable support and quality service.
  • Monitored networks and network devices to resolve technical problems quickly.
  • Handled 15 calls per day to address customer inquiries and concerns.
  • Maintained excellent attendance record, consistently arriving to work on time.
  • Increased customer satisfaction by resolving system performance issues.
01/2013 - 12/2015Store Attendant | WISE COMPUTER - DOUALA, CM
  • Entertain customers and show them our various products.
  • Provide a high level a customer service.
  • Negotiate and sell products to the customer satisfaction.
  • Troubleshoot some malfunctioning products such as computer and printer.
  • Install, uninstall software like window OS, word, excel, PowerPoint.
  • Replace some basics components such as computer battery, RAM and printers ink cartridge etc.
  • Assure store well being and cleanliness.
  • Restocked, arranged and organized merchandise in front lanes to drive product sales.
  • Helped customers complete purchases, locate items and join reward programs to promote loyalty, satisfaction and sales numbers.
  • Worked closely with technicians to solve problems and handle customer concerns.
  • Learned reparation and cashier positions and provided backup at key times.
Education
06/2007LYMAN High School, MANJO, CAMEROONGED:
Linux Academy, Online
EdX, Online
Accomplishments
  • File management GID, ACL, Group.
  • Volume management using LVM, ZFS, and SWAP.
  • YUM, RPM, Repository configuration.
  • VMware workstation and VirtualBox.
  • Auto-Mount NFS.
  • Synchronize time using CHRONY.
  • SSH Keys - public and private,.
  • Process priorities, CPU load Averages.
  • Deploying and configuring VDO (virtual data optimizer).
  • Bash shell scripting.
  • Nagios monitoring tool.
  • Boot Process Linux/Unix, GRUB.
  • Ansible automation.
  • Advance installation ( kickstart ).
  • MariaDB configuration.
  • Backup and recovery.
  • ISCSI and NAS Storage.
  • Network troubleshooting on the following : Oracle Virtual box & VMware Workstation.
  • Configuring AUTOFS.
  • Configuring Firewall to add services such as : NFS, SAMBA, RPC-BIND, MOUNTD, HTTP, etc.
  • Apache HTTPD Selinux troubleshooting.
  • Jira ticketing system.
  • Load balancing.
  • Boot process Unix/Linux, GRUB.
  • Password aging and files permissions.
  • Task Scheduling using "at" & "crontab".
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Resume Overview

Companies Worked For:

  • IT Resolve Inc
  • ACTIONET, Inc
  • WISE COMPUTER

School Attended

  • LYMAN High School
  • Linux Academy
  • EdX

Job Titles Held:

  • Linux System Administrator
  • Linux Systems Administrator
  • Store Attendant

Degrees

  • GED :

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