System Administrator Active Directory

Professional Summary

Detail oriented and adaptable System Administrator with 5 years of experience in a multiplatform Unix and Linux environment with hands on experience in the administration and management of Solaris 10, Red Hat Enterprise Linux and Windows systems.

Collaborative, strong team player, ability to multitask with excellent verbal and communication skills; analytical, problem solving and decision making capability and able to work with strict deadlines with a wide spectrum of people or independently; Project Leader experience.

Solid background in systems and software installations, troubleshooting, user and group administration, file transfer and sharing; proficiency in setting up and configuring Active Directory, Group Policy, VMware amongst others.

Professional Experience

Trinitech Consulting INC (SYSTEMS ADMINISTATOR) 6/2020- Present

Builds, Install, and configure brand new physical and virtual environments, test and deploy Window servers, Solaris 10, RHEL 6, 7 using VMware Exsi and Oracle Virtual Box for testing and production settings

Assist in setting up Group Policy to ensure hardening of the server allowing little to zero threats within the network

Configure Active Directory on windows servers, join systems to domain and maintain the domain by adding a user account, connecting other systems, managing access and resources and configure servers

Extensive experience building networks and using Cisco Packet Tracer to ensure a smooth functionality of the LAN/WAN

Setup, configure and run troubleshoot on TCP/IP, DHCP, DNS, PUTTY, NSLOOKUP and TRACERT in a multiplatform LAN

Write bash shell scripts to automate processes using crontab and to install applications and packages and other tasks

Virtualization (VMware Esxi and Oracle Virtual Box) to create virtual systems for production and testing

Provide 24x7 support in Production Testing and Development environments

IAM service experience with AWS EC2 instance setup and configuration in the cloud for Windows, Unix and Linux systems

Supporting system users and troubleshooting issues. Document solutions for future reference.

Perform root cause analysis to resolve problem management causes

Work on tickets for both internal and external customers, carrying out troubleshooting task to resolve technical, network and other system issues

Capital One (WINDOWS/NETWORK ADMINISTRATOR) 12/2017-6/2020

Install and uninstall applications, run upgrades and maintain window systems

Configure NOS systems for RDP, file and print sharing and providing overall support for the network

Ensured technical support and advice to ~45 end users/day for hardware, software, and systems connectivity issues; resolved 75% of tickets

Administered all network operations as a sole administrator for 300+ people workforce both local and remote

Setup a domain and Active Directory on a Windows 2008 server; install and configure a server on Solaris 10 and mapping to windows 2008 server

Ensure system security and reliability by maintaining device configurations/backups and network monitoring tools reducing client support tickets by 47%

Troubleshoot IP connectivity and network performance, minimizing vulnerabilities by 30% and improving network performances by 25%

Manage network performance to maintain high quality transmission service on the network

Create, execute and maintain SOP for enterprise services

PROFESSIONAL SKILLS

Skills in Windows Server 2008/2012/2016/2019, Windows 10, Oracle Virtual Box, Bash Shell Scripting, Account Management, SCP,FTP,WINSCP, SMTP, PING; Knowledge of OSI Layers, Working knowledge on RHEL, Solaris 10&11 and VMware ESXI

Strong problem solving skills and ability to apply these skills to identify and resolve anomalies in system functionality and performance

Excellent interpersonal and conflict management skills; able to work collaboratively in a team environment or individually

Strong communication skills

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