PROFILE:

• UNIX/Linux System Administrator with 10+ years of IT experience including 6 years of UNIX/Linux System Administrator experience
• Experienced in a wide range of system support and solution based IT services for Linux and Solaris systems including, troubleshooting, monitoring, configuring and maintenance of operating system
• Unix/Linux System Administration experience
• Installed and configured Oracle software virtualization (Zones/Containers) and VMware ESI and workstation 8, for X86 machines o Used Veritas Volume Manager(VxVM) and LVM command line commands to create, grow and or mirror new volumes and files systems o Setup NFS implementation using both static mount points and automount o Patched Solaris 10 servers and Zones using Solaris 10 Recommended either on a new server in single user mode or a production server in Live upgrade mode o Performed Memory and Swap management to improve optimization and performance of the servers
• Have good communication and interpersonal Skills.

TECHNICAL SKILLS:

• Red Hat Enterprise Linux 5 & 6 and 7 AND Centos 6 and 7
• Sun Solaris 8/9/10, working on Solaris 11(ZFS)
• Windows NOS(7,8,10)
• Windows 2008
• TCP/IP Networking, ARP, LDAP, DNS
• Ports, Firewall, iptables
• User Account Administration
• Network File system
• DNS, SSH Solaris Zones and Containers
• VMware ESI & workstation 8
• Logical Volume Manager
• SPARC servers and X86 machines.
• Veritas Foundation Suite (VxVM)
• Apache web server
• Remedy /Service desk plus
• Service Now(Ticketing system)
• HPSA(Automated system)
• VDI
• Healthcare Vcenters
• Cybersecurity
• VSphere( Host for VMware)
• Putty
• Patching( Solaris, Redhat & Centos)
• Puppet
• SALT
• Remote Desktop
• Skype Business(Instant messenger)
• Cisco jabber(instant messenger: communication)
• BoKS/Keon
• RSA Secure ID

EXPERIENCE/PROJECT WORK:

Confidential, Indianapolis, IN

Unix/Linux System Engineer

Responsibilities:

• We are currently running 28 Prod virtual Redhat Linux servers and 42 PROD/DEV Linux Redhat servers
• We cater for local government agencies as we encrypt data and assist in transfer of data to the cloud for long term storage
• The team of other engineers are involved in the networking, VMWare and other services
• I grant user access to ftp server and other Linux servers, as well as change user permissions and account management
• Write bash scripts to automate processes.
• Use SALT for automation and running commands on the minions.
• Setup minions if need be to communicate with the salt master
• Create wordpress websites as needed for business use, using Apache or Nginx
• Troubleshoot servers as needed to resolve issues.
• Making sure the Linux environment is running smoothly
• Monitoring as well as being proactive to avoid any potential issues in the future
• Install and remove symantec versions(SEP) to make sure servers are current and up and running with latest definitions
• Work both as a team player as well as individually
• Self starter and motivated to excel in my undertakings
• Assist with other systems engineering task within the environment and only limited to Linux boxes but also windows

Confidential, Cincinnati, OH

Linux/UNIX System Administrator

Responsibilities:

• Work on 1000+ Linux(Redhat 6/7) & Solaris 10/11 servers weekly
• Maintains and supports Production and Non - Production(Dev/QA) UNIX based UNIX middleware environment, which is inclusive of the software, and in some cases hardware systems.
• Monitor and report system performance across various platforms.
• Analyze and resolve problems quickly and efficiently.
• Evaluate hardware and software and report significant findings to the management.
• Pre-work on Linux and UNIX servers by using a system specific pre-work script, HPSA and if there are any issues, we fix them before proceeding.
• We also try to get console access to servers through Hp ilo, https or VMWare host, in case during patching we encounter a problem and want to get into the server.
• We then download patches to Linux/UNIX(Solaris) repository after a successful pre-work.
• During the maintenance window, we install the downloaded patches in the Linux boxes while we reboot the already created alternate boot environment (ABE) in Solaris.
• Work on Linux(RedHat 6 and 7) and Solaris versions 8, 9, 10 and 11 servers with ZFS.
• Work on Zones, LDOMs, CDOMs,NFS and IPMP.
• Tools used to complete task but not limited to, are; VMware, Opsware (HPSA), VSphere, Healthcare Vcenters,Service Now ticketing, VDI, WinSCP, putty, BoKS, LDAP,Cisco jabber (communication).
• Install security fixes, firmware upgrade, kernel and OS patches.
• Partake in server decommissioning as warrant by management while following guidelines.
• Minimize downtime during patching through LIVE upgrade for Solaris systems.
• Create and work on Incidents and RITMs tickets generated through the SERVICE NOW ticketing system.

Confidential, Beltsville, MD

Linux/UNIX System Administrator

Responsibilities:

• Installing and configuring of Solaris 8, 9, 10 & 11 on (SPARC & X86machines) and RHEL 5 & 6 & Centos 6 on Linux Servers and VMware
• Installed and configured Oracle software virtualization (Zones/Containers) and VMware ESI and workstation 8, for X86 machines
• Upgraded, migrated, decommissioned servers from old Hardware to New Architecture
• Handled Securing/hardening OS systems using password aging and complexity, firewall, as well as providing User and security administration on Solaris 10 and RHEL
• Extensive use of LVM by using physical volume to create Volume Groups, Logical volumes, Resize Volumes
• Used Veritas Volume Manager(VxVM) and LVM command line commands to create, grow and or mirror new volumes and files systems
• Created Linux virtual machines using VMware
• Handled Ticketing system with Service desk plus
• Maintain system accounting files, application logs and error logs, through the use of /var/adm/loginlog(/etc/default/login),sulogs,/var/adm/authlog, var/adm/messages, /var/log/messages,dmesg
• Configured and managed DHCP,TCP/IP,DNS, LAN,NFS; troubleshooting and resolving complex hardware, software and network problems
• Performed File System backup and restoration using UFS dump and restore ( full, incremental & differential backups with Cron jobs), CPIO(some files and directories) Tar and pass - through for mounted files and directories
• Performed PKGADD & PKGUTIL on Solaris whereas, I would use RPM & YUM on Linux for package installations
• Monitored and managed System Capacity, Performance and System Processes using standard UNIX tools( prstat, vmstat. ps, iostat, netstat, prntconf, sysdef, Puppet and Nagios to name a few
• Setup NFS implementation using both static mount points and automount
• Patched Solaris 10 servers and Zones using Solaris 10 Recommended either on a new server in single user mode or a production server in Live upgrade mode
• Performed Memory and Swap management to improve optimization and performance of the servers
• Performed routine server administration tasks like user management, performance enhancement, and system monitoring and disk management
• Responsible for investigating and troubleshoot issues by determining root cause and remediate application, system, infrastructure issues and take proactive measures to prevent future occurrences
• Working Knowledge of programming or writing bash shell script:
• Input script command - Read Command to broadcast information(su):Wall Command to test particular condition; test | grep If, then, else, fi command in script Loop command; while, for, until i) while do ii) For variable - in statement Arithmetic evaluation
• (Currently working/ learning Java scripting and PHP for website building)
• Had Working knowledge of Windows 2008 server: installation and configuration
• Had Working knowledge and experience in Jumpstart /Kickstart
• Provided technical support for end-user customers, diagnose and resolve problems associated with network connections
• Experienced with Solaris 10 Zones (Global and Non-Global Zones). Configuring, migration and resource managements with Zones + resource control=Containers.
• Configure and implement hardware RAID storage (RAID0,RAID1,RAID5,RAID 0+1 & RAID 1+0)
• Responsible for System Security Administration implementation using RBAC, ACL and Sudo
• Worked with Vendor on replacing outdated software and applications
• Created, expanded, resized quota, assigned mount points on ZFS file system on Solaris 10, ZFS using Zpool, ZFS commands. Solaris V11
• Familiar with the use and setup of NAS/SAN/LUNS, to create more virtual storage.
• APACHE web server installation and configuration-Basic use
• Provided 24/7 on call support on a rotational basis
• Experienced supporting software developers and database administrators in large enterprise environment
• A self-motivated, responsible and reliable team player with a set of strong technical skills
• Excellent organizational and documentation skills
• Strong verbal and written communication skills
• Very resourceful and trainable
• Handled Results-driven IT personnel with an established reputation for effectively working with diverse groups of people and adaptability to changing environments
• Responsible for Document server baseline and procedures
• Responsible for Decommissioning servers following specified procedures/guidelines

Confidential, Owings Mills, MD

System Administrator

Responsibilities:

• Supported classified Tier I & II help desk operations involving office user and remote site users including PC, printer, mobile device, and peripheral issues
• Performed PC support and maintenance for over 300 people
• Installed and upgraded video cards, modems, hard drives, IDE controllers, SCSI drives, power supplies and memory components
• Provided data flow support on Unix/Linux, monitoring and troubleshooting systems in a 24/7, high - availability, classified environment, including monitoring system health and activity on client networks; escalated application and connectivity issues according to SLA

Confidential, Baltimore, MD

Prior Authorization officer

Responsibilities:

• Insurance Verification - Communicated with Physician offices and Insurance Companies to determine prior authorization for medication in accordance with policy guidelines
• Prior authorization- Approved or declined drug coverage based on the member s health plan and or benefits

Confidential, Gaithersburg, MD

Reimbursement Counselor

Responsibilities:

• Acted as a direct and single point to patients, Doctors, Insurance agents and drug manufacture sales representatives
• Managed patient counts, research Insurance coverage and benefits obtain and assist with verbal and written prior authorization
• Handled confirming medical lab tests such as Ophthalmologic testing and various other medical prescreening
• Ensured that each FDA REMS requirements such as pre - screenings, post screenings and attestations were completed and satisfactorily met by both the prescriber and the patient
• Communicated with Specialty Pharmacies in order to resolve any patient account related and or prescription issues
• Processed and completed Starter Rx/free drug orders to be sent out by internal pharmacy to patients
• Interacted on a daily basis with physicians, patients, insurers and pharmaceutical representatives to process request via phone, email or fax
• Maintained HIPAA Compliant database of patients, insurance and physician information