SUMMARY:

I am a Confidential and hold an active Public Trust clearance. I have accumulated over a 12 years experience in the IT industry with over eight (8) years experience in the general administration of UNIX/Linux enterprise servers, experience that can be validated, having earned RHCSA (RHEL 7) . I have technical expertise in Red Hat Enterprise Linux 5, 6, and 7, CentOS, Debian, and Apache Web server. I am knowledgeable on applications deployment and virtualization on VMWare ESXi. I am very proficient in UNIX/Linux networking, backup and recovery, system patching and provisioning. I also have significant experience in user administration, access controls and Linux and Solaris patch management and I am proficient at server hardware and networking troubleshooting and maintenance. I also have significant experience on the administration and management of AWS cloud server instances.

TECHNICAL SKILLS:

Languages: Shell Scripting (bash)

Hardware: Linux Server hardware fixes, Troubleshooting, repairs, configuration and management, Dell PowerEdge, SPARC Sunfire V240, V440, Enterprise T2000, M3000

OS: Linux (RHEL 5,6, and 7, CentOS, Solaris 10, Ubuntu)

Software: Ansible,Fdrupstream, Microsoft Office Suite, Helpdesk Applications, Linux Servers Administration, VMWare, Hyper V

PROFESSIONAL EXPERIENCE:

Confidential

Unix systems Administrator

Responsibilities:

• Built, deployed and configured hundreds of RHEL 7 zlinux (on IBM Linux ONE) and VMWARE hosts for the Centers of Medicare Medicaid (CMS) LMDC 2.0 project, thereby providing the path for enabling the smooth and successful migration from legacy RHEL 5 servers.
• Performing installation, configuration, access management, and file system management.
• Performing patching, upgrades and security support with extensive troubleshooting of OS and application issues.
• Performing performance tuning on OS and hardware, and daily Oracle maintenance of zLinux systems and VMware machines running on mainframe architecture and x86 blade servers respectively.
• Performing file locking, high concurrency, tuning, optimizing and scaling on large scale clusters.
• Building RHEL 7.5 zLinux and VMware guests to support over 100 applications and implementing fileshare systems with high availability, load balancing, shared facilities, fail over into this infrastructure.

Confidential

Linux/ Cloud Administrator

Responsibilities:

• Perform installation and configuration of multiple Linux servers using Kickstart.
• File sharing with NFS, AutoFS, FTP, SAMBA, SSH etc.
• Investigate and troubleshoot issues to isolate and diagnose common Linux system problems and ensure implementation of actions on change request approval.
• Perform Security Administration on Linux system.
• Repair and recover from system or application failures.
• Configure IPtables/Firewall and SELinux.
• Setup user accounts and managed them on Linux Servers.
• Utilize standard tools to record change and problem activities for tracking purposes.
• Maintain, monitor and analyze system components using Nagios and make security assessments.
• Create and configure Logical Volume Partitions.
• Support GSA/Data.gov AWS Cloud Migration Activities.
• Build and Configure Linux Servers in AWS Cloud Environment.
• Create and harden an Amazon Machine Image (AMI) utilizing Center for Internet Security (CIS) benchmarks to be used by GSA on the Data.gov project.
• Update the AMI with the latest patches.
• Utilize AWS to set up Virtual Private Clouds (VPCs) for Management, Production and Testing environments with customer operational requirements and parameters (e.g., internet gateway, subnets, Elastic IP, and Security Groups).
• Utilize other AWS Cloud Computing platforms and its many dimensions of scalability including but not limited to: VPC, EC2, ELB, IAM, SQS, S3, auto scaling architectures, using EBS under high I/O requirements, custom monitoring metrics/analysis/alarms via Cloud Watch, the AWS CLI, to meet client’s needs and project requirements.
• Perform all Linux operating system, disk management and patch management configurations on Linux instances in AWS

Confidential

UNIX Systems Administrator

Responsibilities:

• Completed numerous installations and configuration of multiple SPARC servers
• Management of file systems on ZFS pools and LVM2, eg creating and adding space
• Established server network connectivity on appropriate VLAN and to SAN network
• Completed numerous server patching activities using Live Upgrade and firmware updates

Confidential

LINUX Systems Administrator

Responsibilities:

• Performed system builds and upgraded system software and hardware components as required to meet business needs. Addressed diverse issues primarily revolving around Linux, Apache, MySQL, PHP (LAMP) stack. Performed routine system backups, restores, storage space adds and hardware upgrades. Monitored network and servers with Nagios.
• Built and configured Virtual Linux Servers using VMware ESXi and RHEL KVM
• Configuration of local repository to support package and applications management
• Configured CPU, memory, and disk partitions as required, set up ZFS quota and NFS shares
• Daily system administration and management of servers, applications and file systems
• Performance monitoring and capacity planning on UNIX and Linux Servers
• Hardening systems using SE Linux and other security measures.
• Created and configured LVM partitions.