linux systems engineer resume example with 19+ years of experience

Jessica Claire
  • Montgomery Street, San Francisco, CA 94105 609 Johnson Ave., 49204, Tulsa, OK
  • H: (555) 432-1000
  • C:
  • Date of Birth:
  • India:
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  • single:
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Professional Summary

Highly-skilled and very motivated RHEL/CentOS/Scientific Linux Systems Engineer bringing hands-on experience in managing Linux based systems and cloud based infrastructure, as well as scripting skills. 

  • Hands-on experience with KVM and VMWare Hypervisor.
  • Hands-on experience with RHEL, CentOS, Scientific Linux, and Windows.
  • Knowledge of the principles and practice of system configuration and an understanding of the role of desired configuration as part of an organization's strategic goals.
  • Ability to establish processes and automate them to track and implement solutions.
  • Ability to document processes and solutions and make them available as Standard Operating Procedures.
  • Hands-on experience with the command line and the ability to work directly from the command prompt.
  • Hands-on experience writing Bash scripts to solve specific problems, and a fair knowledge of scripting in Python.
  • Ability to modify systems to meet new security requirements
  • Ability to research into problems and propose alternative solutions for management's consideration.
  • Ability to liaison with vendors, make presentations to customers and peers.
  • Ability to write papers and proposals that communicate clearly to management concerning issues.
  • Ability to write documentation on in-house applications and train new users on use of the OS and installed applications.
  • Network management skills
  • Package Management using yum and rpm
  • Storage management skills
  • Understanding of database configuration being familiar with MySQL.
  • Experience working with Ruby, HTML, Python, and Bash
  • Familiarity with cloud computing (AWS)
  • Familiarity with FISMA and CISA regulations
  • Very good interpersonal relationship
  • Ability to work with a team and collaborate on projects.
  • Ability to follow instructions and comply with rules and regulations.
  • Very good communication skills with peers and management.
  • A strong desire to learn new approaches to problem solving.
  • Strong critical, systematic, systemic and strategic thinking skills.
  • Ability to solve problems quickly.
  • Proactive thinking to solve problems before they arise within scope of operation.
  • Ability to work under pressure
Work History
Linux Systems Engineer, 02/2013 - Current
Leidos Holdings Inc. Laconia, NH,
  • Analyzed, designed, developed, tested, deployed, administrated, and provided support for new and existing RHEL systems and servers running on physical, virtual, and cloud based infrastructure.
  • Ensured that systems and infrastructure had high availability by tuning the performance of processes.
  • Performed RAID configurations on physical servers prior to OS or bare-metal hypervisor installation.
  • Performed automated installations in a PXE using kickstart.
  • Ensured that systems and infrastructure adhered to cooperate environment hardening and security policies and standards across various dimensions such as network security, user account security, file system security, as well as SELinux policy considerations.
  • Designed, developed, and deployed infrastructure monitoring and reporting tools such as Nagios.
  • Developed and designed configuration management solutions using configuration automation programs such as Puppet.
  • Developed automation framework using programs such as crontab and at. Also wrote custom scripts which automated custom routine processes such as backups, hardening and upgrades using Bash and Python.
  • Created custom repositories and maintained the integrity of existing repositories using version control programs such as GIT.
  • Managed the updates and upgrades of software including the kernel and ensured that such upgrades did not interfere with up and running systems.
  • Resolved network related problems involving networking systems such as DNS and DHCP using TCP/IP related tools.
  • Managed storage related issues such as logical volumes on both physical and remote servers.
  • Troubleshooted memory related problems which involved the creation of swap spaces and non-destructive addition of hot swappable devices.
  • Resolved several boot related issues such as ensuring that specific kernels are used which integrate well with existing programs.
  • Attended regular team meetings, shift management, team activities, as well as providing one-on-one support to members of other teams that needed specific solutions to Linux related problems.
  • Integrated different hypervisor platforms for virtualization such as KVM and VMware.
  • Collaborated with third-party vendors to provide support for closed-source applications
  • Monitored and provided daily reports to management on system performance as well as any security issues.
  • Installed and integrated different kinds of applications such as LAMP/LEMP stack, Apache Tomcat, JBoss, among several others. 
  • Managed the rotation of log files based on corporate backup policy using log rotate.
  • Participated in strategic planning and the conceptual development of production systems.
  • Setup AWS EC2 systems and configured SaaS systems
  • Familiar with FISMA security compliance requirements.
  • Prepared risk assessment reports based on FISMA and CISA compliance policies
  • Established system security plans in accordance with FISMA regulations
  • Established network security using FirewallD and IP Tables
  • Set up Kerberos authentication security protocols on authentication servers such as LDAP servers and custom key-servers (jump boxes)
  • Set up ssh key-based authentication systems
  • Secured sites with SSL certificates
  • Created custom Certificate Authorities
  • Configured SELinux policies
  • Established application level security such as TCP Wrappers
  • Ensured the security of installation packages using GIT version control.
  • Ensured file system security using basic and advanced file permissions, triggering Access Control Lists on file systems, as well as setting file attributes
  • Performed package upgrades and updates in a secured environment.
  • Performed necessary kernel upgrades and loaded up tested kernels while ensuring that kernel security upgrades worked well with already installed applications.
  • Ensured that new systems are designed, developed, tested, and deployed in a secured environment and systems are locked down securely during patching and upgrades.
  • Provided security reports and updates to upper management on a regular bases, and adjusted security measures as desired by management.

Curriculum/Systems Administrator, 08/2000 - 01/2012
Mizpah School And Youth Center City, STATE,
  • Installed, configured and managed Windows Systems 
  • Created backups of systems     
  • Supported data management through on-site and off-site strategy and retrieval service.
  • Installed and maintained system services such as printers
  • Troubleshooted and resolved software and hardware problems, networked with vendor technical support to resolve problems and worked with other technical staff on supporting their needs.
  • Responded to security alerts with risk evaluation, monitoring and reporting security threats to upper management.
  • Monitored and provided regular reports on system performance to pinpoint performance bottlenecks and on an as needed basis, selected various system options and parameters.

Bachelor of Arts: Publishing Studies, Expected in May 2009
Kwame Nkrumah University of Science and Technology - Kumasi, Ghana
Status -

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Resume Overview

School Attended

  • Kwame Nkrumah University of Science and Technology

Job Titles Held:

  • Linux Systems Engineer
  • Curriculum/Systems Administrator


  • Bachelor of Arts

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