Linux System Administrator Resume
Washington D, C
SUMMARY
A detailed, result - oriented and highly motivated Linux administrator with a strong performance background in wide variety of professional system support and solution-based IT services for Linux Systems (or administrations) including installing, configurating, securing, monitoring, troubleshooting and maintenance of operating systems.
TECHNICAL SKILLS
Operating Systems: Windows 2000, XP, Vista, 7, 8, Server 2000, Server 2003, Server 2008, Server 2012, Mac OS, VMware ESXi, Linux (Redhat, CentOS, Ubuntu, etc.)
Hardware: Dell, HP, Fijitsu, etc.
Virtualization: ESXi, Hyper-V, VMK, Virtualbox, VMware, and XEN
Cloud Infrastructure: Amazon AWS
LAN technologies: Ethernet, Fast Ethernet, Gigabit Ethernet, & 10 Gigabit Ethernet
Software: Apache, Cisco IOS, Cisco VPN, Cisco Works, DHCP, FTP, DenyHosts, DNS, Ethereal, Kickstart, Kiwi-cat, Gitlab, GitHub, Hyper-V, Lynis (Auditing tool), MySQL, MS Office, MS Projects, NFS, Jira, Jenkins, OMD, Putty, Samba, Sendmail, SMTP, SNMP, SSH, TCP/IP, TFTP, Tomcat, vSphere, What's-Up Gold, WINSCP etc.
PROFESSIONAL EXPERIENCE
Confidential, Washington D.C.
Linux System Administrator
Responsibilities:
- Diagnosing and troubleshooting Linux and Windows processing problems and applying solutions to increase company efficiency
- Implement company policies, technical procedures and standards for preserving the integrity and security of data, reports and access
- Built application platform foundation to support migration from client-server product lines to enterprise architectures and services
- Manage firewall, network monitoring and server monitoring both on- and off-site
- Perform installation, patching, and upgrading software and hardware packages including its dependencies using YUM, UP2DATE, and DEBIAN
- Updating YUM Repository and Redhat Package Manager (RPM)
- Installing and configuring various network services such as DNS, DHCP, NFS, SMTP, Apache Server, NIS, Samba, SSH, Telnet and management of TCP/IP protocols
- Network and infrastructure monitoring using NAGIOS
- Setup and configuration of Iptables and SELinux
- Setup security policies for users
- Manage User Accounts and Groups Managing Files and Directories, as well as permissions
- Work on day to day administration tasks and resolve tickets using a ticketing tool Jira
- Deploy Linux virtual machines on ESXi server using vSphere clients
- Deployment of Gitlab in pushing and deployment of codes
Confidential, Washington, D.C
Assistant Systems Administrator
Responsibilities:
- Installed new / rebuilt existing servers and configure hardware, peripherals, services, settings, directories, storage, etc. in accordance with standards and project/operational requirements
- Developed and maintain installation and configuration procedures
- Implemented Active Directory Services, maintaining Replication, Trust Relationship, and enforced Domain Wide Group Policies
- Deployed and troubleshot IP protocols
- Dealt with escalation problems
- Excellent experience in Network Planning, Implementing, Configuring, Troubleshooting and Testing of networking system
- Repaired and recovered hardware or software failures
- Installed applications and coordinated all hardware/software upgrades imaging using Norton ghost
- Supported disaster recovery plans, performing regular backups and creating Ghost images of workstations prior to upgrades
- Resolved clients’ issues in MS Word, Excel, PC Docs and PC Anywhere including PC maintenance
- Configured and troubleshot Microsoft Outlook to create and set up accounts
- Diagnosed and troubleshot network connectivity issues
Confidential, Washington, D.C
Help-desk Support Technician
Responsibilities:
- Maintained over 200 workstations and 7 computer labs which saved the School of Business over $10,000 in maintenance fees
- Developed and maintained installation and configuration procedures
- Designed, implemented and maintained Howard University networks
- Researched, tested, and implemented new software that reduced the amount of viruses and Trojans within the network
- Researched and implemented new security solutions for the school’s network that reduced the amount of IT security threats by over 50%
- Created and responded to problem tickets
- Resolved around 25-30 calls a day on average
- Troubleshot within Active Directory to add users, create accounts and resolved password resets
- Remoting into users’ accounts using Remote Desktop tool
- Deployed new workstations and printers, installing operating systems, applications, and drivers, and configuring network properties and hardware
- Trained departmental staff in the use of company systems and applications, providing ongoing support
