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Senior Linux Engineer Resume

Washington, DC

SUMMARY

  • Experienced systems administrator with more than 10 years of experience in fast - paced Unix/Linux environments (Red Hat, CentOs and Ubuntu) and a strong commitment to administer or engineer Rhel/Centos/Ubuntu systems.

TECHNICAL SKILLS

Virtualization: VMware ESX, ESXi 4.1/5, VMware View 4.5/4.6/5.0, KVM, Vsphere 5.5Red Hat Virtualization 4.0/4.1 Red Hat Identity Management / KVM

Operating Systems and environment: RHEL /6/7/8 Linux, MS Win Server 2008/2012 R2/2016

Networking Protocols/Applications/Servers: TCP/IP, DHCP, DNS, FTP, HTTP, HTTPS, SSH, SAMBA,NFS, APACHE, POSTFIX, LDAP, TOMCAT, NGINX

Scripting Languages: Bash, Python, Powershell

Monitoring: Nagios, zabbix, CheckMk, Groundworks

Databases: MariaDB, MySqlConfiguration Management and Automation: Ansible, Puppet, Foreman, Terraform

PROFESSIONAL EXPERIENCE

Senior Linux Engineer

Confidential - Washington, DC

Responsibilities:

  • Set up and administer user and groups accounts, setting permissions, Web servers, file servers, firewalls, and directory services with ability to diagnose and find root cause of system issues.
  • Provisioned multiple RHEL 6/7/8 machines under HyperV environment and VMware
  • Performed packages installation and updates using appropriate Satellite channels / content views
  • Troubleshot and resolved software and hardware problems, interfaced with vendor technical support to resolve problems and work with other technical staff on supporting their needs.
  • Provided root cause analysis and systems backup
  • Diagnosed and resolved problems associated with DNS, DHCP, NFS and Apache.
  • Installed and administered multiple servers including Postfix, Apache, LDAP, OpenSSL certificate authority
  • Created and wrote scripts using Bash, Python and PowerShell
  • Automate day to day task using Ansible playbook
  • Provided support to Qradar and BMC discovery software
  • STIGs all RHEL machines and integrated them to Active directory
  • Worked in a mix environment of Active directory, Linux and AWS

Linux System Engineer

Confidential Rockville, MD

Responsibilities:

  • Set up and administer user and groups accounts, setting permissions, Web servers, file servers, firewalls, and directory services with ability to diagnose and find root cause of system issues.
  • Provisioned multiple RHEL machines under VMware environment
  • Maintain, upgrade, and implement improvements to the VMware ESXi infrastructure
  • Performed packages installation and updates using appropriate Satellite channels / content views
  • Diagnosed and resolved problems associated with DNS, DHCP, NFS and Apache.
  • Installed and administered multiple servers including Postfix, Apache, LDAP, OpenSSL certificate authority
  • Created and wrote scripts using Bash, Python and PowerShell
  • Automate day to day task using Ansible playbook and puppet manifests
  • Worked in a mix environment of Active directory, Linux and AWS

Linux System Administrator

Confidential

Responsibilities:

  • Built, installed, configured RHEL servers in a data center environment.
  • Installed many new RHEL servers using kick-start installation & configuration method.
  • Monitored web servers using Nagios monitoring tool.
  • Administered local and remote servers on daily basis providing weekly status reports to management.
  • Installed and configured Puppet and Ansible.
  • Troubleshot and resolved software and hardware problems, interfaced with vendor technical support to resolve problems and work with other technical staff on supporting their needs.
  • Monitored security logs to determine security problems.
  • Optimized system performance by tracking daily system utilization, to determine if problems are imminent.

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