Senior Network Administrator Resume
SUMMARY:
10+ years of experience in configuring, administering & maintaining Windows 2008/2012 R2 / 2016 infrastructure. E xperience with installation and configuration of Windows ( Wi ntel) Server as Domain Controllers and Application Servers, as well as Implementing and Configuring ADS and Group Policies, Microsoft family products like FTP, IIS, .Net, DHCP, DNS, MS Clusters, Hyper - V and SQL. Experience with VMware & vSphere Server, Hyper-V Servers, Nutanix Hyperconverged infrastructure, Cloud Technologies such as AWS & Azure, Patch Management tools, Server Monitoring Tools, SAN/NAS technologies, Data Center Management, Backup & Disaster Recovery Solutions and Server Hardware.
TECHNICAL SKILLS:
Operating System(s): Windows Server 2012/2012 R2 /2016/2019, Windows Server 2008/2008 R2, Windows Small Business 2003/2008/2011 , Windows 7/8/8.1 /10, UNIX, Linux and MAC OS
Hypervisor Technologies: VMWare ESX / ESXi (3.5, 4.x, 5.x, 6.x), VCenter Server, vSphere 4.x, 5.x, 6.x, Windows Hyper-V, Nutanix Hyperconverged Infrastructure
Hardware: Dell PowerEdge Servers, IBM Blade Servers, HP ProLiant Servers, Cisco Routers, Cisco ASA Firewalls, Sonic Wall Firewalls, Watch Guard Firewalls, BDR G12 & Datto Backup Devices, Tape Drives, Drive Arrays, Dell EqualLogic SANs, Synology NAS, Buffalo NAS, Dell Desktops & Laptops, Apple MAC Systems, Printers, Scanners & Copiers
Antivirus Tools: Symantec Antivirus, McAfee Antivirus, Cisco AMP
Backup Software: Symantec Backup Exec 2010/2012/2014/15 , Shadow Protect Storage, Zenith BDR, Datto Backup, Windows Server Backup, Dell EMC Backup
Software: Symantec Endpoint Protection, ShadowProtect4 Storage Craft Backup, VMware EXSI server, Virtual Box, Hyper V, etc.
WORK HISTORY:
SENIOR NETWORK ADMINISTRATOR
Confidential
Responsibilities:
- I am working in a Managed Services Environment wherein I am supporting the technical infrastructure of over 100 clients including Servers and Network Infrastructure.
- Involved in many projects for the clients including Troubleshoot Windows Server performance issues.
- Handled installation, configuration & maintenance of HP ProLiant Servers, Synology and Altaro backups, SonicWall TZ Series Firewalls.
- Handled Mitel phone systems configurations and implementation.
- Used ConnectWise Manage Ticketing System, ConnectWise Control and ConnectWise Automate for remote management
- Led many Server migration projects including On-Premise Exchange 2010 to Office 365, Confidential Server 2011 to Server 2016 and Server 2019
- Migrating 2008 Servers to 2016
- Handled scripts using PowerShell
- Configured S3 buckets in AWS and setup Azure Backups
SENIOR SYSTEM ADMINISTRATOR
Confidential
Responsibilities:
- Handled 3 Veteran Affairs domains - Vetfed, Vetfed-MDE and Vetfed CareNet
- Handled Office 365 administration including implementing DLP policy for HIPAA compliance for PHI & PII prevention to send externally and many mail-flow rules
- Handled management of Active Directory, DNS, File/Print, DHCP Servers and Network infrastructure including User Administration
- Handled Phone system Administration - Megapath/Fusion Connect
- Handled provisioning phones to users, setting up call groups, email phone log reports
- Handled Multifactor Authentication - Duo security
- Handled Email Encryption for S/MIME Management - Entrust Services
- Handled remote administration of Servers and Workstations
- Coordinated with Security and for VA compliance requirements in helping design new IT & Security modules
- Initiated the Inventory Control of all devices including Desktops & Laptops on SharePoint for efficient management
- Develop and implement procedures for all operational processes
- Pioneered in many new IT initiatives - Inventory, DLP Policy for HIPAA, Computer Naming convention policy
SENIOR SYSTEMS ENGINEER
Confidential
Responsibilities:
- Handled Datacenter management and maintenance including replacement of faulty hardware, coordinate with coworkers for accomplishing various tasks, etc.
- Management of Active Directory & DNS Servers in the environment
- Datacenter Asset Cleanup - Recycle old IT hardware equipment
- Office 365 Migration from On Premise
- Nutanix Hyperconverged Management and Maintenance
- Veeam Backups configuration for all servers and restoration when needed
- Handled SCCM and SCOM for patching and monitoring the servers
- Handled Crowd strike security application deployment on Servers and Laptops
- Followed the ServiceNow ticketing system for the incidents reporting, Change Management and documentation process for ITIL compliance
Senior systems engineer
Confidential
Responsibilities:
- Lead design, build, configure & manage Windows Servers from .
- Implemented AD DS & Group Policy, DNS, DHCP, NPS, NTP & Terminal Server roles
- Managed the Office 365 environment and responsible for implementing Exchange Server 2016 for management.
- Lead role in implementation of all Office 365 related tasks including assigning licenses, email encryption, Office 365 Relay, mail flow security & compliance rules.
- Implemented Azure AD Synchronization from On-Premise. Managed Enterprise Applications in Azure AD and configured SSO & OpenID Connect.
- Worked on ADFS 2.0, AD proxy and worked on the renewals & SSO implementation
- Handled core systems administration, application system integration, system security & updates, daily logging & monitoring,
- Evaluate design & administer enterprise virtualized environment (VMWare VCenter/vSphere & Hyper-V) to ensure effective resource utilization, system performance and timely deployments
- Supported P2V, V2V using VCenter Converter & Veeam
- Configured and managed SCCM 2012 & WSUS for automation of patching for Servers and Laptops every month, OS Deployment, Application deployment & policies throughout the organization.
- Implement, monitor and support security & infrastructure initiatives
- Serve as a Subject Matter Expert for all Windows system issues
- Handled Windows Server monitoring (OpManager) and setup server alerts
- Handled warranty checkup and renewal for servers and equipment
- Managed the Datacenter environment
- Worked on the AWS cloud and implemented VPCs, EC2 Instances, Security Groups, connectivity, NACLs, etc. along with team.
- Handled migration of many On Premise servers to AWS cloud.
- Handled Backups and restoration using Veeam & Dell EMC Backups
- Upgraded Exchange Server on premise & another one in AWS
- Stood up new AD Sites (Phoenix, Olympia) and building all domain infrastructure
- Troubleshooted AD connectivity issues including DNS across all sites
- Setup Office 365 email encryption, relay services, mailbox auditing, mail flow rules for compliance, ATP
- Installed and configured server and network monitoring solution
- Worked on AWS migrations of On-Premise servers
- Assisted in building and configuring AWS infrastructure
- Stood up new SCCM site with all configuration
- Configured and implemented internal application in Azure AD Enterprise Applications
- Worked on Nutanix Hyperconverged infrastructure and migrated on-premise servers
- Led the implementation of Skype for Business phone porting, provisioning, configuration & deployment
- Involved in configuration of FireEye ETP with AV/AS integration in Office 365
Lead system administrator
Confidential, Houston
Responsibilities:
- Built new Windows Servers and Confidential Servers based upon business requirements.
- Design, configure, installed and upgrade Exchange Servers - 2010 & 2013 and Confidential 2011 with Exchange built-in.
- Handled Active Directory, DNS, DHCP, Terminal Server configuration & management.
- Diagnosed hardware and software issues on Windows systems and provided 24*7 on-call support for multi-tier environment.
- Configured and managed Virtualized environment and applied VMware & Hyper-V best practices.
- Troubleshoot Windows Server performance issues.
- Handled installation and configuration of Dell PowerEdge servers, EqualLogic SAN boxes, Dell Power Connect switches, Dell Storage Servers, CISCO ASA 5500 Firewalls, SonicWall TZ Series Firewalls.
- Handled Altigen phone systems configurations and implementation
- Lead installation and upgrade of Exchange Server and 2016
- Built and configured many Active Directory domain infrastructure
- Ensure timely resolution of all service issues
SENIOR SYSTEMS AdMINISTRATOR
Confidential
Responsibilities:
- Handled installation, servicing, assembly and maintenance of systems and networks.
- Active Directory installation and maintenance.
- Responsible for all Windows Server implementation, management & maintenance
SYSTEM ADMINISTRATOR
Confidential
Responsibilities:
- Worked on installing and maintaining over 100 Windows Servers.
- Worked on systems management, network administration, active directory & DNS implementation.
- Checked the alert messages on the servers and troubleshooted the same.