SUMMARY:

As a Talented Systems Administrator and Engineer o ering. My Expertise spans across 7 years of experience in Linux/ Windows/Virtualization/Cloud/Security/Network Storage and System Architecture. I have worked with many systems such as Linux; Red Hat v.6/7, CentOS v.6/7, Ubuntu, SUSE and Windows; Solaris, Windows Server 2008, 2012/2012 R2, VMware ESXI 5.x - 6.7, Identity-Access Servers, Apache Web Servers, Windows Web Server IIS,DevOps- CI/CD tools and more.

SKILLS:

• Tableau
• DevOps
• Windows IIS
• ISCSI SAN
• Linux
• CentOS
• VMware Virtualization
• ESXI 5.x - 6.7
• Vsphere Client
• Oracle Database 12c
• Apache Server
• Bash Scripting
• AWS
• F5 Load balancer
• Splunk

WORK EXPERIENCE:

Lead Enterprise Analyst

Confidential, Alexandria, VA

Responsibilities:

• Monitor Site wide (Production, Dev, Recovery) Applications and devices. These range from Juniper Switches, Cisco Routers, Window Machines, Linux Machines, Database Storage (VION) and more, Using tools such as Q-radar, Splunk, SiteScope/SAAM, NNMI, and F5 monitoring tools.
• Co-ordinate support Teams and system owners to troubleshoot infrastructure issues (such as power Outages, System maintenance failures/rollbacks, application errors/device errors and etc.) VIA Web-Ex Sessions and Outlook Meetings.
• Communicate (by phone/e-mail) to notify Executives of Application/System outages and failures surrounding the Enterprise that will a ect customers, in order to provide situational awareness and restore times of applications and systems.
• Approve and Delegate times of system Maintenances/upgrades to various application and devices, as a means of suppressing unwanted monitoring to better identify real-time errors.
• Work with support groups in updates of system and device monitoring, reporting when any system or device is having an issue, using monitoring and investigative tools to help support groups better understand errors of such.
• Help support groups update System infrastructure Information, on intranet web portals, to help identify; systems, devices, and various application servers pooled within an application rendering.
• Provide Support groups statistical information of system usage and demographics, to help tweak and provide proactive methods to ensure their systems/applications integrity and stability on the network. Such statistic include graphs (from monitoring tools) to highlight; data mining, DOS attacks, rouge users, un-wanted user tra c, unauthorized system / geographic logins and more.

SYSTEMS ADMINISTRATOR

Confidential, Reston, VA

Responsibilities:

• Security and Log Server Documentation /Report Analysis using tools such as Event Tracker and Tenable Nessus Pro on multitude of Virtual hosts OS machines, as well as individual application servers.
• Managing of Web Server Code deployment process; Code deployment to Application Servers/Databases, backup and Tracking using - CI/CD tool; Mercurial, BI Reporting using Tableau Server Application as other front-end Windows interface tools.
• Server Physical Management on VMware vSphere, Managing/Working with V-Center Appliances and attached databases.
• Perform Security Adherence Implementing POA&M remediation and security hardening in compliance w\ NIST standards, including Tenable Security Scan Analysis and Review.
• Environment-Wide Patches: Windows WSUS for 2008, 2012 R2 -, and JAVA, VMware VSphere, Oracle 12c, Tableau Server, Linux 6.9, Security Monitoring and software upgrade with Vendor using video host and more.
• Customer Interaction and Data/Impact Analysis Reporting:
• Documentations: Include Server Builds, Access, User Manuals, O&M updates Software/Hardware Assets.
• Tracking and Disposition, Incident reports-tracking, Software Plan/Upgrade Schedules, Product VDD’s and more.
• Perform VMware vSphere Host migrations, Storage and network managements and ESXI server patches and upgrades.
• Jira-Perform Project Lifecycle tracking, documentations and customer feedback. • Physical Infrastructure Standby, Disaster recovery and maintenance- Memory, HDD/SSD/Tape Drives and Networks and etc. upgrades and repairs as needed.

LINUX/WINDOWS SYSTEM ADMINISTRATOR

Confidential, Greenbelt, MD

Responsibilities:

• Creating Multiple Machines (automated Installations), Cloning Linux Machines and Virtual Machines not excluding Daily snapshots.
• Access Control of User, support groups and Sta . Which include.• This Includes Passwords (Monthly Updates), Permissions (Access to files, Directories and their subdirectories), and File Servers.
• Experience Managing Linux Network Profiles and Firewall on RHEL6/7.XX: IPtables, Firewalld, Nmcli, Network Card Configuration; IP routes and DNS.\
• Experience Managing SeLinux Security, including SELinux Modes and Policy, Labels and Booleans.
• Documentation of Baseline Standard Configuration and updates per Server i.e.
• Patches, System updates, Packages, Memory, Storage, System Versions and etc.
• Managing and providing support for Jenkins, GitHub and JIRA Designed and developed Jenkins Build deployments. Used GIT as Version Control System for two applications.
• Managed development streams and integration streams.
• Migrated the current Linux environment to AWS/RHEL Linux environment and used auto scaling feature.
• Managing EC2 Instances on AWS with tools such as Putty and Pageant for secure ssh sessions.
• Package management - Configuration of custom repositories for YUM and RPM package installations, updates, rollback patches and others.

System Administrator

Confidential, Lanham, MD

Responsibilities:

• Contract supporting Teaching and Sta ng Agency. System Administration f both Windows and Linux Machines - Providing ongoing management of
• Windows and Linux Servers (i.e.) Resource ManagementInstallations/Setup, Imaging, performance-tuning and Tier 3 support for
• Troubleshooting servers.
• Troubleshooting and maintaining Linux Servers for a midsized educational services company. • Manage Access Control- Create, Manage and assign user Permission as well as set up user access to files and servers.
• Perform Server Installations, resource allocation, image back-up/clone.
• Window Server (2003/2008/2012 ) Installations, Configuration, System Migration and design Planning. • Perform Active Directory administration of Users, Groups, and DNS.
• Application Migrations which include Environment setup, Compatibility Testing and Installation. • Mapping shared drives as needed to user Laptop and Desktop for future Access.