Active Directory Systems Administration

Pedro Ogobri 571-***-****

SUMMARY

Tech-savvy and accomplished professional with expertise in designing, implementing, and managing complex network infrastructures complemented by strong background in network architecture, security protocols, and systems administration. Adept at providing end-to-end network solutions and contributing to active directory administration, DNS, DHCP, TCP/IP, and group policy configurations. Instrumental in consistently implementing and optimizing network services, ensuring seamless connectivity and efficient operations for diverse organizations. Extensive experience in IAM duties using Active directory for managing users, groups, organizational units, permissions, and domain controllers also taking care of creating group policies. Well-versed in analyzing and modifying standard operating procedures, implementing robust security protocols and firewalls, and safeguarding sensitive data and preventing unauthorized access. Proficient in using network monitoring tools, such as syslog, SSH, and IPsec, in proactively identifying and resolving network issues, guaranteeing optimal network performance.

TECHNICAL PROFICIENCIES

Platforms: Windows 7/8/10/11; Linux. Hands-on training in Windows Server 2003/2008R2/2012/2016

Tools: Visual BASIC, Citrix, Remedy, Office 365, MS Office, MS Exchange, MS SQL, COTS, GOTS, Unicenter TNG, Brightstor ARCserve, NetBackup 7.5, eTrust, Asset Management, Oracle Database

Hardware: Compaq, Dell, HP, IBM, Intel, HP printers, Mac, Scanners, Ethernet, Cabling, Patch Panels/Racks, Hubs, Cisco Routers and Switches.

Networking: LAN/WAN: TCP/IP, DNS, DHCP, NetIQ, Wireshark, RAS, VPN, IIS, and AD

CERTIFICATIONS

CCSA – Checkpoint Firewall

Microsoft Certified Professional

CompTIA A+

CompTIA Security +CE

CCNA (Expired)

CAREER EXPERIENCE

Zartek Solutions, LLC/Beale Air Force Base, CA 10/21 - 04/23

Network Admin (Consultant)

Supported Cisco-centric LAN, WAN, VLAN and WLAN environment by providing technical support and troubleshooting assistance for local area networks (LANs), wide area networks (WANs), and wireless local area networks (WLANs) based on Cisco networking equipment.

Implemented and maintained Non-Classified Internet Protocol Router Network (NIPR), which is used to securely transmit unclassified information within the network.

Configured and deployed switches, firewalls, and routers to establish secure and efficient network communication by setting up access control lists, routing protocols, and implementing security measures to protect network infrastructure.

Orchestrated, Implemented, and managed network management tools, such as network monitoring systems, configuration management, and performance analysis tools.

Implemented Active Directory and upgraded Telecommunications Phone Systems to unified Cisco Phone System.

Activated and configured Network interfaces for customers across multiple locations.

Installed copper CAT6 and Fiber installations along with using Microsoft Excel and Visio to document Network Rack Elevations and patch matrices.

Setup CITRIX XenApp, and VPN as well as BMC Remedy (ITSM- Incident/Event Management), and ServiceNow ticketing applications.

MICROHEALTH LLC/DHA, Vienna, VA 02/20 - 12/20

Engineering Analyst (Consultant)

Provided support in installing, configuring, and troubleshooting network equipment and infrastructure by setting up routers, switches, firewalls, and wireless access points, while ensuring network connectivity and addressing network-related issues.

Assisted in installation, configuration, and troubleshooting of Active Directory services by managing user accounts, groups, permissions, and domain controllers.

Resolved any issues related to authentication, authorization, and directory services.

Utilized REMEDY or ServiceNow ticketing systems to review, modify, and analyze Customer PPS (Pre-Production System) load-sheets containing information about network IP addresses and PPSM (Pre-Production System Management).

Supported in migrating workstations, printers, file servers, and users from legacy environment to target environment.

Monitor relevant security events, including service/application, IDS/IPS logs and alerts, Firewall logs, and other security events.

Utilized SCCM for deployment of devices and applications as well as patching of Servers and workstations.

Optimized client workstations by increasing memory and new hardware.

Formulated and documented Standard Operating Instructions (SOI) for software installation procedures.

Collaborated with Cisco Meraki Wireless Access Points.,

MISSION1ST GROUP, LLC/US ARMY- PEO EIS, Ft. Belvoir, VA 04/19 - 09/19

Network/Systems Engineer (Consultant)

Integrated various systems, ensuring seamless functionality by configuring and connecting different hardware and software components to create cohesive network infrastructure.

Configured network devices, such as routers, switches, and servers to meet specific network requirements. Knowledge of Dept. of Defense (DoD) 8570 Information Assurance Technical (IAT) level 2.

Deployed and configured Cisco ASR series routers and switches to provide high-performance routing and switching capabilities for enterprise networks.

Leveraged routing protocols, such as BGP (Border Gateway Protocol), EIGRP (Enhanced Interior Gateway Routing Protocol), and OSPF (Open Shortest Path First) to enable efficient and reliable routing within network.

Supported Cisco ISE (Identity Services Engine) for Network Access Control (NAC) by configuring and managing ISE policies for secure network access, implementing VPN connections, integrating with Active Directory for authentication and authorization of users, groups, and organizational Units, and managing wireless access points.

Established workflow diagrams to reduce clients’ shortcomings. Collaborated with Cisco FTD configurations.

Installed, configured, and maintained internal and client networks, including managed and unmanaged switches, routers, and other network-related devices.

Addressed and resolved technical problems of moderate complexity relating to installation and upgrade of network hardware and systems.

Assisted with network cabling installation, including cable runs, jacks, patch panels, jumpers, and punch down

Implemented CISCO SD-WAN design and configurations.

ECS FEDERAL, LLC/Department of Homeland Security-Transportation Security Administration, Arlington, VA 08/18 - 02/19

Systems Engineer/Access management engineer (Consultant)

Performed Identity by access management (IAM) duties such as administering Active Directory services by creating and managing user accounts, groups, and organizational units (OUs), as well as implementing security measures and configuring access permissions.

Configured and managed essential network services such as DNS (Domain Name System) for name resolution, DHCP (Dynamic Host Configuration Protocol) for IP address allocation, and TCP/IP (Transmission Control Protocol/Internet Protocol) for network communication, ensuring proper connectivity and efficient network operations.

Managed Group Policy settings to enforce security policies, implement system configurations, and control user settings within network, including overseeing and applying group policy objects (GPOs) to organizational units (OUs) or specific user/computer groups.

Reviewed, analyzed, and modified existing Standard Operating Procedures to improve efficiency, security, user experience and adherence to industry best practices by identifying areas for improvement, documenting changes, and communicating updated procedures to relevant stakeholders.

Implemented SCCM to deploy software distribution updates, and patching of Servers and workstations.

Reviewed and modified standard operating procedures to improve efficiency, security, and industry best practices for DHS-TSA.

Engaged with customers, vendors, and technical staff to analyze business and technical requirements.

Camber Corporation/JPM-P, Stafford, VA 01/17 - 03/18

Network Engineer II (Consultant)

Implemented, maintained, and optimized Cisco ASA/Firepower firewall and KVM switches, ensuring network security and seamless connectivity for Windows Server 2008R2/2012/2016 and Workstations.

Supported LAN/VLAN/WAN connectivity, taking charge of AD Services Administration and TCP/IP configurations.

Established VTC and VPN setups for Clients, swiftly diagnosing and troubleshooting HW/SW issues for end-users.

Delivered technical support, leveraged Defense Travel System (DTS) application.

Executed smooth Windows 7 to Windows 10 deployments. Installed and serviced HP, Ricoh, and Xerox printers.

Assisted with network cabling installation, including cable runs, jacks, patch panels, jumpers, and punch down.

Upgraded Telecommunication phone system to Cisco Unified Communication System.

Implemented ITSM 8.1 (Incident/Event Management) application best practices to enhance efficiency.

ABBTECH/DELL AT DISA, Fort Meade, MD 09/16 -11/16

Advanced Tech (Consultant)

Collaborated in dynamic, cross-functional team of six individuals, spearheading seamless migration from Windows 7 to Windows 10 using Hard Drive Duplicator technology.

As an Identity Access Management consultant, created and assigned permissions for users, groups, and OUs within the Active Directory system.

APEX SYSTEMS AT Department of Homeland Security/ Federal protective services, Suitland, MD 09/14 - 07/16

Network Admin/IT Specialist(Consultant)

Installed, configured, and proactively maintained infrastructure Server H/W and S/W (Dell/HP running Windows 2003/2008R2), ensuring smooth operations.

Expertly resolved LAN/WAN connectivity issues for various systems.

Managed Active Directory, handled tasks such as user/group/OU/GPO/email/DNS, DHCP, and configuring TCP/IP and BGP protocols on network devices. Extensively performed IAM duties.

Seamlessly activated and deactivated switch ports.

Upgraded SQL Server 2005 to MS SQL Server 2012 Database, enhancing performance and capabilities of system.

Orchestrated system upgrades and deployments within AD DOMAIN, including installation and configuration of network printers (Xerox) and scanners.

Setup email configurations and implemented MS LYNC for seamless communication.

Created roaming profiles for users, ensuring accessibility across multiple systems.

Utilized RDP and Cisco AnyConnect VPN connections to remotely access servers and workstations for maintenance tasks, software installations, and troubleshooting.

Handled ITSM Remedy 8.1 tickets, swiftly resolving issues and ensuring efficient IT service management.

Conducted system backups and implemented efficient restore procedures for Servers, utilizing NetBackup 7.5.

Worked as Network Operation Center for monitoring and resolving network issues.

Dunson Associates/Lockheed Martin at Pentagon, Arlington, VA 01/14 - 08/14

Network Admin/IT Specialist (Consultant)

Installed and configured NIPRNet and SIPRNet workstations, facilitating seamless data and Windows 7 migrations.

Conducted hardware/software installations and ensured encryption email recovery through PKI.

Implemented Smart card/Token authentication and configured Outlook 2010.

Utilized Active Directory and NetIQ Administration to efficiently set up users and devices.

Configured and troubleshot network protocols such as TCP/IP, DHCP, and access lists.

Employed BOMGAR and Dame Ware to remotely access and support end-users.

Implemented encryption email recovery through PKI.

Created and monitored ITSM Remedy (8.1) tickets, swiftly addressing and resolving SSH, HTTP, VPN, and other session connection problems faced by end-users.

Operated and maintained Host Based Security System (HBSS) on workstations to enhance security measures.

Artech/Federal Reserve Board, Washington, DC 04/12 - 12/13

Systems Admin/Information Systems Analyst (Consultant)

Supervised Tech Refresh Desktop Engineering support initiative, overseeing seamless transition from Windows XP to Windows 7 and 8.

Managed hardware deployments, specifically HP desktops and laptops.

Executed NetBackup procedures and conducted data migration and restoration activities.

Converted IBM Lotus Notes email and archives to MS Outlook 2010 client, integrating MS LYNC for instant messaging and video conferencing capabilities.

Setup local and network printers. Implemented user account administration for LAN/WAN environments using Active Directory.

Provided remote support to IT staff across different regions and end-users, utilizing BOMGAR, RDC, and Cisco AnyConnect VPN. Installed, configured, and troubleshoot workstations, MS 2003/2008 servers, and other Microsoft products.

Managed installations of commercial off-the-shelf (COTS) and government off-the-shelf (GOTS) applications such as SAS.

Installed, configured, and activated smartphones, specifically BlackBerry devices, while also overseeing hardware asset management.

Worked extensively with Windows services and remediation processes.

Implemented HD encryption measures, including Smart card/Token logon installs, configurations, and troubleshooting using SafeNet Authentication Tools.

Utilized BMC Remedy (ITSM) application for efficient help desk ticket tracking.

US Resources/BAE Systems at Defense Logistics Agency, Fort Belvoir, VA 01/11 - 03/12

Systems Admin/Windows Desktop Support (Consultant)

Executed Windows 7 migration Project by upgrading and deploying Dell Desktops (OptiPlex 760, 780) and Laptops (E6400, E6410, E6420 series; MAC OS) across entire enterprise.

Implemented robust data migration and efficiently configured email clients.

Administered Users using Active Directory and provided day-to-day support operations.

Spearheaded implementation of Asset Management.

Installed KVM switches on racks, IBM, and HP Servers.

Supported Blackberry and Wireless devices, managed File and Print applications.

Collaborated closely with Network Backbone support to activate and enable LAN Ports through routers and switches, utilizing diagnostic tools.

Thoroughly reviewed operating logs and conducted system imaging.

Updated inventory of Servers and managed devices using DameWare (Remote Utility) to activate WMI in Services under Computer Management.

Arranged and set up tapes, as well as implemented NetBackup for Network backup and recovery.

Installed critical COTS and GOTS applications, including CAC (smart card), Pure Edge (Form Viewer), Approve IT (signature), Oracle 11g, SAP 7.20.

Implemented MS SQL Server 2005, Windows Server 2008 R2, MS Office 2010, and Visual Studio.

Leveraged HP Console G1 Switch to synchronize and identify Servers and other managed devices on network.

Lockheed Martin Corporation, Bethesda, MD 09/04 - 11/10

Computer/ Network Support Specialist (Full Time)

Coordinated and streamlined computer support services for desktops, laptops, Blackberry devices, and Mac computers across Corporate Headquarters and local area facilities.

Managed both hardware and software aspects, including network printers and information security.

Implemented efficient Asset Management practices.

Installed and expertly configured network hardware and equipment, such as Cisco routers and switches.

Successfully set up CITRIX XenApp, VPN, and BMC Remedy (ITSM) ticketing applications.

Provided consistent daily support for account maintenance, creating Group Policies using Active Directory as part of my Identity and access management (IAM) duties.

Effectively managed Network User Accounts and Hostnames within DNS/AD/OU's environment.

Delivered hardware and software upgrades, implemented patches, resolved viruses, and optimized systems.

Proficiently worked with Windows Registry and network infrastructure equipment.

Conducted research, diagnosis, and resolution of technical issues related to LAN/WAN, TCP/IP, and Help Desk.

Responded to McAfee EVANS scans to rectify systems that were non-compliant with company's patch policies.

Installed and provided support for various applications, including PKI Certificates, Air Defense, and Odyssey Access Client (Remote Access).

Implemented ALTIRIS software for imaging and deploying operating systems to desktops and laptops.

Efficiently handled data migrations for Windows XP, Vista, and Windows 7, while ensuring system backups using CONNECTED software.

Offered comprehensive training and support to internal and remote users on Windows XP, Vista, and Windows 7, Microsoft Office, email clients (Outlook 2003/2007/2010/MS Exchange), Internet Explorer, and custom applications (COTS).

Executed installations and configurations of Windows 2003 Server, desktops, laptops, and Blackberry devices.

Established and prepared test machines for Q2K7 Testers, facilitating seamless installation of quarterly patches for Office 2007.

Provided remote authentication support and ensured daily maintenance of these machines.

Recognized with prestigious SPOT Award for consistently and efficiently resolving customer difficulties in a prompt and diplomatic manner.

Orchestrated "P2P Contractor Project," encompassing imaging of laptops, user account setup, installation of specific applications (COTS), and deployment to over 1500 remote clients across various business units.

Qwest Communications, Inc. / INFOVISION21, INC., Arlington, VA 12/01- 08/04

Desktop Engineer (Consultant)

Installed and expertly configured CISCO LAN switches and routers, implementing IP routing with MPLS (Multiprotocol Label Switching).

Setup and installed RAS/Dial-Up connections, network printers, Qwest custom-developed applications, and configured MS Outlook/Exchange 2000 for users.

Provided comprehensive desktop and technical support to end-users.

Created and efficiently routed trouble tickets to appropriate departments.

Skillfully diagnosed and resolved trouble tickets using BMC REMEDY.

Deployed desktop PCs (Compaq, Dell, HP, IBM, Mac) and laptops, utilizing software imaging techniques such as Symantec Ghosting.

Leveraged SMS and AAI applications to install, troubleshoot, and configure workstations.

Ensured application of service packs, security patches, virus protection, and seamless data migration.

Collaborated closely with vendors to address hardware and software issues.

Conducted IMACs (Installs, Moves, Adds, Changes) and performed system analysis.

Provided reliable NOC (Network Operations Center) support.

Administered and set up users and hostnames using Active Directory.

Setup VPN and Remote Access capabilities implemented data backup and recovery strategies using Arcserve, and managed file and print services.

Managed and oversaw distribution of over 500 pieces of office automation equipment.

Identified and procured solution that eliminated more than 50 outdated pieces of equipment, streamlining overall process.

Computer Associates, Inc., Herndon, VA 10/98 - 10/01

Network/Systems Engineer (Full Time)

Held responsibility for systems integration and network administration, successfully implementing TCP/IP protocols in a LAN-WAN environment.

Managed multiple systems, including Windows NT/2000 and UNIX (Linux and Solaris).

Expertly managed configuration and change management processes.

Coordinated and interfaced with clients, ensuring seamless installation of applications such as Unicenter TNG, eTrust, and Manage IT Performance products.

Customized configurations resolved network connectivity issues, and effectively troubleshot technical challenges.

Served as reliable point of contact for resolving client and user technical problems.

Managed security measures and performed network backups using ARCserve.

Conducted onsite installations and provided training to clients, utilizing Computer Associates software packages.

Integrated Computer Associates products within a client/server environment, spanning across entire enterprise.

Developed comprehensive procedures and documentation for installation and configuration of system software.

Prepared detailed requests for proposals (RFPs) tailored to specific client businesses, aligning product offerings with requirements.

EDUCATION

Masters in Cloud and Networking Infrastructure Management, 2023

Northcentral University, San Diego, CA

Bachelor of Science, Electronic Engineering, 1983

Wentworth Institute of Technology, Boston, MA

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