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Rowell
System Administrator
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Competencies
Demonstrated experience with Windows Server.
Demonstrated experience with Active Directory.
Demonstrated experience with Endpoint Management.
Demonstrated experience with Network Security.
Demonstrated experience with Remote IT Support.
Education
Languages
Summary
System Administrator open to new opportunities
Experience
System Administrator
Administer Windows Server environments including clustering, Group Policy, and Active Directory across multiple business units within the organization.. Provide remote IT assistance and endpoint management using ManageEngine Endpoint Central — remotely accessing, troubleshooting, and resolving hardware/software issues on end-user devices, deploying patches and software packages, and maintaining device inventory, reducing the need for on-site visits.. Enforce endpoint compliance through Endpoint Central, including device policy configuration, remote lock/wipe, and centralized patch and software deployment across managed devices.. Monitor and support servers, network infrastructure, and end-user systems, ensuring consistent uptime and rapid issue resolution via a centralized ticketing/helpdesk system — responding to requests and escalations in a timely, service-oriented manner.. Manage hosted mail services including email archiving, anti-virus/anti-spam filtering, mailbox quota management, and storage provisioning for multiple business units.. Perform scheduled daily, weekly, and monthly backups using SVN; plan and execute disaster recovery and backup/restore procedures.. Recommend and implement corrective actions for recurring issues; plan and execute infrastructure growth, expansion, and technology evaluation initiatives.. Deploy, configure, upgrade, and maintain servers, laptops, and desktops, along with anti-virus/anti-malware and NAS storage systems across the environment.. Escalate and remediate security issues in accordance with company and client security policy; proactively monitor, analyze, and troubleshoot infrastructure issues.. Manage and monitor firewall logs and configurations, creating firewall rules aligned to company and client policy requirements.. Administer NAS storage and AWS-hosted FTP server environments supporting file transfer and storage needs across business units.
IT Network and Software Engineer
Proposed system and network architecture specifications based on business requirements, budget, availability, and utilization.. Executed approved architecture designs; prepared, deployed, installed, configured, and tested software and hardware environments for development and production.. Ensured security of applications, servers, networks, and data by implementing access policies, establishing network/server access levels, and maintaining technical documentation.. Maintained server, network, software, and hardware performance through continuous monitoring, performance tuning, troubleshooting, and cross-team/vendor collaboration to resolve escalated issues.. Researched and proposed new technologies and best practices, developing, testing, evaluating, and installing infrastructure enhancements in coordination with development teams and third-party vendors.
Jr. System and Network Administrator
Provided technical and troubleshooting support for computer hardware, software, mobile devices, and other technology products.. Diagnosed and resolved technical issues across hardware, LAN, WAN, and related systems.. Installed, modified, repaired, and tested computer hardware and software; performed timely workstation upgrades as required.. Generated reports to identify recurring malfunctions and informed management of persistent issues.. Maintained inventory of equipment, software, and software licenses; kept current on system changes and updates.. Installed computer peripherals for end users and assisted with onboarding of new users.
Assistant Network Administrator
Supervised and maintained daily network operations, including internet administration.. Researched, planned, developed, and implemented integrated LAN/WAN system design, including hardware specifications, upgrades, configuration, and expansion.. Monitored and diagnosed network-level issues related to performance, speed, reliability, and accessibility; installed, upgraded, and configured routers, switches, and hubs.. Resolved issues related to collision, data traffic congestion, LAN segmentation, and network cabling standards.. Managed infrastructure project planning for PABX (MTTC/TTC) and LAN/WAN networks, including design, analysis, installation, and maintenance.
IT Personnel
Provided technical assistance to a 10-person staff, supporting network access, printing, and application software operation.. Assisted the IT Coordinator with network administration; performed routine maintenance and user file backups.. Delivered technical support and end-user training on software and computer systems.
Part-time Computer Maintenance
Maintained café computers, monitored the network, and updated online game patches.