Senior Network Administrator

• Nov 2020 - Present

Network Administrator

• Jun 2017 - Nov 2020

- Administer and maintain 50 Windows servers (Windows server 2003-2016, 6 Active Directory, 6 file servers, 2 printer servers, 1 RDS, 1 RDG, DNS, DHCP), 2 Synology NAS (DS1813+ and DS1515+), 25 Switches, 8 Meraki firewalls (MX84 and MX64) and 20 Cisco and Meraki access points for 5 locations. - Document and resolve issues for 400+ end-users using helpdesk ticketing system in a short turnaround time. - Maintain and support Windows-based and Mac computers, mobile devices, printers, copiers, scan guns, fax machines, O365 applications, site security systems, business applications, FTP Hosting, Domain Hosting, SharePoint, Skype, helpdesk ticketing system, and Dopublicity boxes. - Create, apply, and enforce security policy using group policy or PDQ. - Increase Network security and data integrity by remediating vulnerabilities from Nexpose, monitoring daily backup jobs, updating and patching Windows servers and running antivirus endpoint scans. - Deploy DUO software to all servers to prevent and protect from unauthorized users - Configure and support Backup and Recovery jobs using Veeam, Hyper Backup, and Azure Backup. Ensuring backups are successful. - Utilize Azure to provide automatic failover of servers to minimize downtime (Disaster Recovery). Audit backup by resorting virtual machines and file level. - Support VPN network topology and remote VPN clients. - Configure, deploy, and manage Avaya phone system for 80 users. - Support Virtual and Physical servers on VMware ESXi 6.0 – 6.5 in multi-domain, multi-data center environments. - Convert physical computers to ThinClient (RDP) to optimize the solutions. - Responsible for adding new items and deleting orders on distributors’ accounts on MCNI portal. - Prepare required step-by-step documentation on current procedures with documentation of all IT equipment, software license compliance, and users. - Research and communicate with vendors for various hardware and software products, evaluate offers. Show less

Network Engineer

• Mar 2017 - Jun 2017

- Managed Active Directory, Meraki FW, VPN site to site, access points, backup, access control system, and security cameras for over 50 clients. - Maintained technical hardware and resolved software issues including Internet Connectivity, Splitters, RJ45, Switches, Routers, and Network Cables (Cat5, Cat6). - Performed troubleshooting to system failures and identify bottlenecks to ensure long term efficiency of network using network monitoring tools. - Designed, tested, and installed servers, network devices, and cables. - Delivered technical support to resolve clients and end-user issues within time frame, ensuring satisfactory service. - Coordinated and scheduled callbacks to customers to provide and process information in response to inquiries, concerns, and requests about products and services. - Organized and scheduled upgrades and maintenance without interrupting end-users. - Documented and ensured successful Veeam backups. - Provided step-by-step instructions and documentation for new technologies. - Researched and offered alternative solutions where appropriate with the objective of retaining customers’ and clients’ business. Show less

System/Network Administrator

• Sep 2015 - Dec 2016

- Maintained, deployed, evaluated, monitored, and troubleshot network systems including network switches, routers, wireless access points, load balancers, and firewalls. - Increased Network security and data integrity by maintaining patch management, disabling unsecured ports, monitoring daily backup jobs, and running antivirus endpoint software scans. - Supported and maintained over 100 end-users with technical and hardware issues. Ensured proper installation of equipment for users such as projectors, smart boards, printers, and computers. - Coordinated and managed 100+ user VOIP phone systems. - Designed and implemented network infrastructure by clients’ requests. Ordered and assembled equipment and prepared installation diagram and directions documentation. - Administrated Windows Active Directory, Exchange, Cisco unified, and unity systems. - Established safe work environment by following codes, standards, and legal regulations. - Kept supplies available and documented by inventorying stock, placing orders, and verifying receipts. - Updated job knowledge by participating in educational opportunities and reading technical publications. - Enhanced department and organization reputation by accepting ownership for accomplishing new and different requests; explored opportunities to add value to job accomplishments. Show less

System Administrator

• Oct 2013 - Aug 2015

- Provided maintenance and support for 50+ workstations and 4 servers ensuring quality service and secure remote access for end-users and clients. - Administrated data and voice networks for two locations with 99% uptime over a span of two years. - Managed and monitored Active Directory including group policies, DNS, DHCP, and created and removed domain users and groups. - Provided support to resolve day-to-day network and computer issues for production environment. - Designed and segmented company network using layer-3 Cisco switches and deployed 3 access points, simplifying network maintenance. - Analyzed and developed solutions for incoming helpdesk issues to increase workplace efficiency. - Supported and maintained web pages, forms, and budget data. - Assisted in establishing, developing, and coordinating with content development team to establish company’s website. Show less