SUMMARY:

• Over 25 years in systems design, engineering, administration and maintenance with a sterling track record due to dedication and commitment to excellence.
• Well - versed in a variety of common applications and hardware with proven ability to master COTS, new tools and technology quickly.
• Diversified skill sets acquired and honed while working in complex IT environments of different nature of businesses like health care,, real estate IT, telecommunications and federal government.

PROFESSIONAL EXPERIENCE:

Confidential

Sr. Systems Engineer

Responsibilities:

• Supporting Confidential 's worldwide enterprise infrastructure including embassies, consulates and posts. Public Key Infrastructure (PKI) primary engineer for multi - factor authentication implementing PIV card for Logical and Physical Access Control Systems in compliance to HSPD-12. As the only Red Hat Certified System Administrator in SMSe (Security Management System enterprise), I designed and put together Red Hat Enterprise Linux Infrastructure, Linux (Centos and Red Hat) squid proxy servers in a failover cluster environment for better reliability and availability.
• These are the proxy servers that provision CRLs to securely validate and authenticate both Logical and Physical Access Systems. Utilizing Red Hat Satellite for patch management. Planned and implemented Identity and Access Management for Red Hat users via
• Red Hat IdM (Identity Management). Leveraging Active Directory for multi-domain access. Provisioning Online Status Protocol (OCSP) and all types of s for client and server authentication, signing, encryption, IPSec, etc. Leveraged Microsoft Failover Clustering to ensure availability for ADCS
• Registration and Authority Active Directory and Group Policy administration and maintenance. Implemented Advanced Group Policy Management (AGPM) for better administration and recovery process of group policy objects. Active Administrator (by Quest) implementation for GPO and
• Active Directory auditing, backup and granular recovery Symantec Endpoint Protection primary administrator for Virus and Spyware Protection, Proactive Threat Protection, and Network and Host Exploit Mitigation VMWare vCenter and vSphere v6.5 administration Windows versions 2008 R2, 2012 R2, 2016 and 2019 builds, administration and maintenance Leverage PowerShell scripting for daily administrative and repetitive tasks especially for PKI and Active Directory Implementing Solarwinds's DameWare for systems management and remote access to SMSe machines worldwide.
• Leveraging Dameware's feature of multifactor authentication.

Confidential

Systems Engineer/Active Directory SME

Responsibilities:

• One of the few with Enterprise Administrators rights in GSA authorized to administer Active Directory for 20,000+ users, 50+ Windows 2008 R2 Domain Controllers, 2012 Windows Servers Active Directory, DNS and Group Policy
• Implemented effective Active Directory backup and recovery procedure by creating automated backup operations and regular disaster recovery tests. Administration and Maintenance of Directory Services Infrastructure NetIQ Group Policy Administration NetIQ Directory and
• Resource Administrator Risk and Health Assessment Program for Active Directory (ADRAP) Symantec Endpoint Encryption Administrator; Preferred encryption software by the GSA to compulsorily encrypt internal hard drives of all GSA laptops Windows 2008 R2 Clustering on
• VMware VMWare VSphere 4.1 configuration and implementation Distributed File System (DFS) IPv6 testing and implementation SCOM utilization for daily administration tasks. AD Lightweight Directory Services Maximizing PowerShell capability to manage daily
• AD tasks; backup and recovery of GPO's; AD objects recovery.

Confidential

Systems Administrator

Responsibilities:

• Built, maintained and administered 400+ IBM, Dell and HP servers including IBM Blade Centers in a Data Center environment. Had the initiative to repair and rebuild servers not in use. The company saved thousands of dollars after putting them back in production.
• Administered Microsoft Windows 2000/2003/2008 Servers, Active Directory, Group Policy. Securing Microsoft vulnerabilities by server hardening, server updates and patching. This process includes planning, scheduling, testing and coordinating. Installed, administered and maintained MS SQL Server 2000/2005. Identified user requirements, set up databases, and tested and coordinated modifications to the database systems. Planned and coordinated security measures - data integrity, backup systems, and database security. MS Windows Server Clustering.
• Ensuring systems higher availability. Data Storage administration using IBM System Storage SAN Volume Controller (SVC), IBM System Storage DS4800/FastT Storage Manager and SATA Beast, iSCSI, Fibre Channel. Virtual Machines using MS Virtual PC, Hyper V
• VMware. Implemented virtual machines to maximize the cost-effectiveness of hardware. The company saved from buying physical servers for testing and QA purposes. Resolution of any problems regarding operating systems, critical production applications, and
• LAN environment such as TCP/IP, DHCP, DNS Implemented disaster recovery plan, backup systems and disk configurations
• Avoided longer hours of server builds and recovery. Administration of systems infrastructure part of the software development process from planning, requirements definitions, software design and prototyping, software development, testing, deployment, operations and maintenance of the company's core software products mostly providing real estate property, mortgage and consumer information.

Confidential

Systems Administrator

Responsibilities:

• (Full Time) - Al Khobar, Saudi Arabia Planned, designed, successfully implemented IT infrastructure from Novell 4.11 platform to Microsoft Windows Servers; Active Directory, Group Policy, corporate email system using MS Exchange

  MS Internet Security and Acceleration (ISA server) Developed the Preventive Maintenance System for all medical and IT types of equipment. Used daily by Biomedical Engineering and IT. Database Administration of SQL Server

  Exchange administration, supported and monitored e-mail accounts and e-mail quota using Exchange Server. Scheduled, performed and maintained data storage, backups and disaster recovery using Veritas Backup Exec.

  Avoided disaster several times and therefore hospital information system not compromised. Implemented centralized antivirus policy using McAfee's ePolicy Orchestrator. It can monitor and protect all computers in the domain.

  Avoided manual installations. Automatic and faster virus detection and removal. Configuration of networking types of equipment such as Cisco routers, switches and firewalls.

  Planned, built and configured servers and mounted them to racks appropriately for efficient heat management, therefore, decreased power consumption by not adding more cooling equipments.

  Configured and implemented IBM xSeries 360 Cluster Servers using Fibre Channel Storage Area Network (SAN). Resolution of basic to complex problems regarding operating systems, critical production applications, and LAN/WAN network environment including TCP/IP, WINS, DHCP, DNS. Accountable for 24/7 IT operations as IT operations lead.