Active Directory Support
Resume:
GABRIEL D. SILVA
Email: *****.*****.******@*****.***
Skype: david.silva.donoso
Linkedin: https://www.linkedin.com/in/davidsilvadonoso New Jersey, USA
Objectives
To obtain a challenging position in a growing technologically driven organization that will challenge my skills and utilize my strong problem-solving abilities and leadership. System Administrator
Experience
USA:
From March 9th, 2015 to Current (Freelance)
Intelynet, LLC (Windows Server Administrator) / Ridgefield Park, NJ
Responsible for high level design, integration, implementation and support of different enterprise systems (New Jersey and New York) to manage transition and transformation phase for different Mission Critical Servers: Physical and virtualized.
Networking wiring and certification / Routing and switching / VPN / Wireless
Responsible for high level end-users support for Desktops, Windows and Linux Servers (New Jersey and New York) to manage their systems, onsite and remotely. From March 9th, 2015 to Current (Freelance)
Logical Data Solutions, LLC (System Manager and Support Technician) / Glen Head, NY
Responsible for high level design, integration, implementation and support of different enterprise systems (New Jersey and New York) to manage transition and transformation phase for different Mission Critical Servers: Physical and virtualized.
Networking wiring and certification / Routing and switching / VPN / Wireless
Responsible for high level end-users support for Desktops, Windows and Linux Servers (New Jersey and New York) to manage their systems, onsite and remotely. From January 1sh, 2017 to November 2022
Communications Engineering Management, CEM (IT Director) / Paramus, NJ
Responsible for high level design, integration, implementation and support of different enterprise systems (New Jersey and New York) to manage transition and transformation phase for different Mission Critical Servers: Physical and virtualized. ECUADOR:
From July 2nd, 2012 to January 16, 2015
TATA Consultancy Services - Project - Sabmiller ITO (Ecuador, Colombia, Perú, Honduras, Panamá, El Salvador, Argentina, Miami) – Wintel Administrator / Guayaquil, Ecuador
A key team member playing Lead role Responsible for high level design, integration, implementation and support of our enterprise systems to manage transition and transformation phase of a global AD project with 500+ Mission Critical Servers and 14,000+ Users.
Served as the Solutions Architect and Subject Matter Expert (SME) for our enterprise global AD/Wintel infrastructure, distributed with multi master model environment spanning across eight countries, 45 sites.
Responsible for leading the team and function as the client liaison POC for senior leadership and stakeholders.
Responsible for migration between Sabmiller domain and Active Directory schema and structure of purchased domains: Bavaria (Colombia), Isenbeck (Argentina), Backus Johnson (Peru), Cervecería Hondureña (Honduras), Cerveceria Nacional (Ecuador and Panamá).
Directed a team of twenty support members (Tier Levels 1-3); act as the highest level of escalation (Tier-3, 4) for all technical issues.
Installing, configuring and troubleshooting Windows 2012/2016/2019 servers, Creating and managing windows domain, Active Directory (including backing and restoring AD Services) and implementing group policies, creating ACL for different users using enterprise standards. Education
July 1, 2009 Tecnológico Espíritu Santo, Guayaquil, EC System Technology (Networking)
January 19, 2014 International University of Ecuador, Guayaquil, EC Bachelor’s Degree in Information Technology and Computer Science
January, 2017 to Currently Azure Server Management Online Webinars with GoDaddy, 3rd Party online trainers, etc Professional Creed
Dynamic Professional with 18+ years of experience of System Administration and Project leadership role.
Expertise in end-to-end implementation of various projects; including the Planning, designing, and implementation of Infrastructure Services.
Highly versed with Windows server 2012/2016/2019, Microsoft Active Directory, DNS, DHCP, DFS
Good Event Viewer understanding in order to find out an effective issue solution and documentation.
Proficient with VMware implementations, scoping, vSphere deployment, and analyzing the importance of using and relying on VMware product lines, providing support, operations
A proven record of reliability, the ability to perform under time constraints, and good judgment under pressure.
Adept in analyzing information system needs, evaluating end-user/organizational requirements, custom designing solutions, troubleshooting for complex Systems Environment.
Hard Working, Pleasant Personality, Focused, Strong communication, collaboration & team building skills with proficiency in grasping new technological concepts quickly and utilize the same in a productive manner.
Strong problem solving & technical and networking skills. Infrastructure Skills
Support Hyper-V infrastructure:
Manage Microsoft Hyper-V infrastructure with experience in leveraging Microsoft Virtual Machine Manager.
Configure and manage Hyper-V Clusters across multiple data centers.
Configure stretch Hyper-V clusters across multiple locations.
Web Designer using Wordpress and MariaDB.
Perform end to end migration of VMs from VMware to Hyper-V hosts.
Perform end to end migration of VMs from Hyper-V to Azure.
Manage Windows Systems infrastructure, experience in 2012 R2 through 2019 OS.
Monitor ongoing virtual environment health such as storage capacity, host bottlenecks.
Develop documentation including Architecture design, operation guide and VMware migration guide. Support and updates for VMware environment:
Manage VMware vSphere 6.5.
Configure the ESX host and key management infrastructure to support VM Encryption.
Monitor ongoing virtual environment health.
Additional Skills:
An excellent problem-solver, able to quickly grasp complex systems and identify opportunities for improvements and resolution of critical issues, RCA (Root Cause Analysis).
Collaborate with internal and external users to determine requirements and negotiate with stakeholders to resolve conflicting system needs.
Ability to work effectively with others supporting both physical and virtual infrastructure environment. HP Proliant and DELL Servers:
ML350/370, DL320/360/380, Blades BL640C, BL25p, BL860C, Integrity rx3600
(Installation, configuration and maintenance), Dell PowerEdge servers. Storage Systems:
Local qNAP devices like TS-454u / MSL4048 Library: Administration / HP Data Protector / System Disk storage (communication using optic fiber): EVA4400, MSA1000, MSA2000fc / Managing HP Command View (Snapclones, Snapshots, Volume Copy). Configure IBM 7000 series storage system and HP Data Protector.
Cloud Storage like Google Drive, oneDrive or dedicated Hosting Ethical Hacking and Vulnerabilities Systems Prevention:
Skilled professional who understands and know how to look for weaknesses and vulnerabilities in target systems and uses the same knowledge and tools as a malicious hacker, but in a lawful and legitimate manner to assess the security posture of a target system(s). Scanning of the Server and Desktops ports in order to validate possible vulnerabilities and immediately take actions to fix it. Profile
Languages: Fluent speaker of English, Spanish native speaker Own vehicle: yes
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