SUMMARY

• Multitasking Network and System Administrator with a background in Network administration, Virtualization, Switching and Routing, Microsoft Server Administration, Linux, Cloud Administration, system upgrades, and hardware monitoring.
• A determined employee with over 12 plus years of network component installation experience.
• Highly knowledgeable in system repairs and performance improvements.

TECHNICAL SKILLS

• Managing Windows Server (2008 R2 to 2019)
• Servers expertise
• Multi - User System Management
• Linux
• Server Management
• Linux experience
• Linux operating system
• Windows and Linux
• Hardware knowledge
• VMWare ESXi experience, 5.x and above
• Managing Microsoft Azure infrastructure solutions
• Domain migration
• Network security design, implementation, administration, and support
• Networking protocol expertise
• Routing protocol expertise
• Cisco switching expertise
• IP address structure
• Experience in Cisco Meraki
• Experience in G-suite administration
• Microsoft Office 365 administration
• Aws cloud administration
• Group Policy Management
• Internet Protocol (IP) and subnet management
• System maintenance and repair
• Infrastructure planning
• Troubleshooting
• Reporting and documentation
• Technical support
• User support
• Virtualization
• System development and administration
• Firewall management tools
• Network development and administration
• System upgrades
• Program installations

PROFESSIONAL EXPERIENCE

Network and System Administrator

Confidential - Chicago, IL

Responsibilities:

• Manage & support a large client base Windows 2003/2008 R2/2012/2016 and 2019 in a multi-domain/forest Active Directory
• Managing Microsoft Identity Management products (Active Directory, Active Directory Federation Services, and Azure, AD Connect, Office 365)
• Primary responsibility for the Active Directory Administration to provide strategic and tactical direction for the Active Directory Services, Identity, and Access Management, Roles Based Access Control and Segregation of Duties
• Tuned system performance to optimize efficacy of new and existing hardware components.
• Installed, configured, and updated Linux machines, with Red Hat, Debian, and CentOS.
• Provided input on hardware and software purchasing, prioritizing return on investment to optimize IT spending.
• Installed system-wide hardware components, confirming interoperation and compatibility with Linux-based software distros.
• Strong hands-on administration experience on Windows 2012 server - Forest, Domain trust, AD, DFS, DNS, WINS, DHCP, Group Policy, Distribution lists, Windows folder security, and IP filter
• Implement network server designs, configuring network hardware, software and databases and setting up end-user devices access
• Acquired and maintained advanced knowledge of networking protocols, including Eigrp, Riv, Ospf, and BGP.
• Supported users in setup and configuration of wireless bridge networks.
• Diagnosed network problems involving combination of hardware, software, power and communications issues.
• Configured and performed troubleshooting with routing and switching protocols, including VTP, STP and EtherChannel.
• Managing AWS EC2, S3, RDS, SNS, Route 53, CloudWatch, IAM, VPC, Elastic IP, Load Balancing, Snapshot, Auto-Scaling, and Storage management
• Installing, configuring, and managing ESX servers, Virtual infrastructure, and virtual center
• Working as Cloud Administrator on Microsoft Azure, involved in configuring virtual machines, storage accounts, resource groups
• Migrated Virtual Machines and applications from the on-premises cloud to AWS
• Troubleshooting upcoming issues in the VMWare environment, the virtual systems, and the lower-level infrastructure
• Provided on-site installations and technical support for Windows, MAC OS, and Linux workstations
• Upgraded hardware and software regularly on all company systems and workstations
• Conducted security assessments and made recommendations for disaster recovery, remote access, network appliances, servers and directory services security.
• Provided secure access to the network for remote users by setting up remote platforms
• Managed users and computers through Active Directory GPO, maintained an accurate record of assets
• Prevented transmission of viruses over the Network with the effective administration of the McAfee, and Eset endpoint security management
• Monitor and troubleshoot network issues including routers, switches, VPN and wireless broadband connection for Windows 2012, 2016, and 2019 servers
• Active Directory (Manager Account Users, OUs, Domain, Site)
• Monitor and manage network backups
• Plans and recommends network hardware, systems management software and architecture
• Recommends modifications of basic IT systems in order to improve and simplify business systems and reduce operating cost
• Implements and maintains security strategies for internal network
• Troubleshoot various network issues that affect solutions and collaborate with staff and outside vendors to resolve complex problems
• Providing general IT support to computer users within the office
• Making specific recommendations about future upgrades to the system
• Working out best to fix a problem in the shortest period of time
• Providing technical support to other members of staff
• Writing up operational and troubleshooting procedures
• Performing on-site and remote technical support
• Repairing hardware and software failures
• Monitored network capacity and performance, as well as diagnosed and resolved complex network problems.
• Implemented, developed and tested installation and update of file servers, print servers and application servers in all departments.
• Resolved issues and escalated problems with knowledgeable support and quality service.
• Monitored networks and network devices to resolve technical problems quickly.

System and Network Admin

Confidential

Responsibilities:

• Managed Active Directory Domain Services for objects management (users, contact, groups, network printers, network)
• Responsible for on-boarding and handling users, client machines, and all infrastructure including servers, workstations, routers, etc.
• Install new / rebuild existing servers and configure, services, settings, directories, storage, etc. in accordance with standards and project/operational requirements
• Provide Level I/ Level II support as per request from various constituencies, Investigated and troubleshoot the issue
• Ticket queue maintenance, execution of change controls, Followed the SOP's and Resolving the Issues
• Installing, configuring, administering, and performance tuning Microsoft Server 2008/2012
• Responsible for Active Directory, GPO, Domain users, Administrating users and groups, and given appropriate permissions and privilege to access our LAN and Domain environment
• Troubleshooting and fixing Group Policy Object (GPO) Active Directory problems enterprise-wide Identifying and monitoring replication interruptions between domain controllers
• Providing remote and hands-on administration of Various hardware and desktop applications
• Experience on LAN Cabling, RJ 45 crimping, Labelling, Patch Panel, PC Junction boxes, Phone Switches, and Rack set-up
• Experienced in installing and upgrading the firmware of HP Blade servers
• Assigning shared level/security level permission to customer folders and files
• Managing and maintaining services to the client as per agreed contract and SLA's are achieved
• Reporting daily operational issues in daily review meetings with account management
• Daily Reporting Host availability, server down issues, and any operational issues in daily Ops
• Managed roll out of McAfee Antivirus software to all Servers and Desktops
• Managing system administration, networking and hardware management & maintenance in the organization
• Analyzed intricate server issues and supported large enterprise and business-critical applications
• Supported, configured, maintained and upgraded customer networks and in-house servers
• Increased system security and performance with proactive changes
• Improved vendor network troubleshooting by the coding system throughout the company using different colors for each purpose
• Troubleshoot problems related to network infrastructure and performance
• Trained customers on equipment use, setup procedures, and troubleshooting strategies
• Troubleshot and diagnosed systems using speed, ping, and related tests
• Installed, set up and repaired devices and system components
• Tracked all changes and actions in the computer-based documentation system
• Developed preventive maintenance procedures and schedules for all on-site equipment
• Tested components, assemblies, and systems to diagnose problems
• Installed and configured printers and scanners, resetting default device passwords to prevent cyber attacks
• Assisted in the technical support process refinement to improve customer service and support
• Removed malware and viruses from laptops and desktop systems using specialized software
• Facilitated system migration projects during off-hours to avoid outages and network bottlenecks
• Disassembled computer systems to troubleshoot and resolve hardware issues
• Explained technology-related details in easy-to-understand terms to individuals from all walks of life and in various job positions
• Installed, configured, and supported local area network (LAN), wide area network (WAN) and Internet system.
• Monitored stability of network and wireless services to deliver comprehensive stability.
• Performed system maintenance and upgrades, including patches, service packs, hot fixes and new security configurations.
• Constructed and maintained Virtual Local Area Network (VLAN).
• Performed day-to-day LAN and WAN administration, maintenance and support.
• Tuned system performance to optimize efficacy of new and existing hardware components.
• Maintained smooth operation of multi-user computer systems through collaboration with hardware and network engineers.

Confidential

System and Network Admin

Responsibilities:

• Responsible for installation of Operating System, application software, assembling & General fault finding of software, & hardware
• Managed and configured an existing network design to facilitate customer usage
• Assisted in customizing network as per requirements by adding new applications and programs to existing networks
• Ensured that installed applications and network functioned properly and sorted out minor issues such as insufficient speed and crashes
• Completed repairs, performed preventative maintenance and kept records in quality system
• Updated software versions with patches and new installations to close security loopholes and protect users
• Supported employees with advanced troubleshooting on help desk tickets
• Upgraded laptops/desktops, improving speed and performance
• Proficient in network protocals, DHCP, DNS, SMPT
• Improved relationships with training organizations and school by remedying hardware and software issues with computers and various language labs
• Removed malware and viruses from laptops and desktop systems using specialized software
• Explained technology-related details in easy-to-understand terms to individuals from all walks of life and in various job positions
• Installed software updates and vulnerability patches on windows servers to prevent possible threats from penetrating networks
• Managed over 40 incoming calls, help desks ticket or emails per days
• Installed, configured, and updated Linux machines, with Red Hat, Debian, and CentOS.

Computer Technician

Confidential

Responsibilities:

• Responsible for Troubleshooting & installation of computer Peripherals, hardware
• Backup Exec, MS Office 2003/2007/2010/2013
• Outlook 2003/2007/2010/2013
• TCP/IP Ethernet Networking
• Dhcp and static IP addressing
• Wireless Networking
• Disassembled computer systems to troubleshoot and resolve hardware issues
• Removed malware and viruses from laptops and desktop systems using specialized software
• Improved relationships with training organizations and school by remedying hardware and software issues with computers and various language labs
• Supported employees with advanced troubleshooting on helpdesk tickets
• Documented repair processes and helped streamline procedures for future technical support actions
• Configured computers to network drivers and connected to printers and other peripheral equipment