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Systems Administrator Resume

Washington, DC

SUMMARY:

  • Professional with strong technical and communication skills in Information Technology
  • Experience supporting large Global environments
  • Proven ability to interact positively with customer base to provide the value - added service of support.
  • Excellent analytical problem solving skills.
  • Self-starter, focused and can operate with minimal supervision

TECHNICAL SKILLS:

Operating Systems: Windows Server 2012 R2, Windows 2016,, VMware Vsphere ESX 6.5, 6.0, Linux

Software Tools: Barracuda spam firewall, Change Auditor, Solar Winds, SCOM, Symantec Evault Enterprise 12, Barracuda, Mcafee gateway

Scripting Languages: Power Shell Quest Command lets, Active Directory modules, Exchange powershell modules Exchange 2010, Exchange 2013, Exchange 2016, Vmware Esxi 5.5, Vmware Esxi 6.0, Vmware Esxi 6.5

PROFESSIONAL EXPERIENCE:

Confidential, Washington DC

Systems Administrator

  • Maintain technology infrastructure, providing operational stability by following and using the tools, policies, processes and procedures available
  • Utilized powershell to manage Exchange and Active Directory
  • Managed, maintained Microsoft cluster services for mailbox high availability and Network Load balancing services for Client Access Servers
  • Deployed Windows update patches during scheduled maintenance
  • Wrote customized powershell scripts for reporting and addressing multiple email objects modifications
  • Mailbox creation and enabling of mail objects in the exchange environment
  • Technical documentation creation and maintenance for the Microsoft Exchange Email system
  • Receive and respond to Solarwinds alerts, incident and remediate in accordance with SLAs
  • Provided recommendations and training to optimize the virtual infrastructure environment
  • Exchange Operating System break/fix services.
  • Deployed AD GPO policies and maintenance
  • Maintain Non-Microsoft mail gateways (SPAM Filter, Malware check)
  • DKIM, DMARC, SPF & DNS
  • Periodic checks on availability, exchange services ensure mail queues, Mail flow and normal system operations
  • Configure and manage Active Directory DNS zones and records
  • Provide 24x7x365 support with a rotating on-call support during non-core business hours
  • Installed, maintained and optimized documentation for Exchange servers
  • Maintain Database Availability groups (DAG)
  • Outlook SME support
  • Troubleshoot and maintain Symantec Enterprise Evault server for Mailbox Journaling and Archiving issues

Confidential, Woodlawn, MD

Expert Lan/Wan Engineer

  • Provide tier III and SME for Outlook/Exchange support for SSA and interface with Executives
  • Perform patch management to a large multi-DAG Exchange 2013 environment Utilizing Exchange switchover to maintain High availability using a change management system to document and record changes.
  • Utilized Power Shell scripting for repetitive and day-to-day duties related to Active directory, OS and Exchange
  • Responsible for coordination with the team members, and other internal IT teams to maintain and verify that Exchange is highly available and operable.
  • Create Powershell scripts to automate bulk creation of User/shared mailbox Accounts, Multi-member distribution groups and to verify that accounts are being created using SSA standard operating procedures.
  • Document All tickets Escalated to Queue using an enterprise wide ticketing system.
  • Performed Daily, weekly, Monthly and Quarterly audits of Microsoft Exchange to ensure stability of system
  • Evaluates new products and technologies to determine impact on existing system configurations.
  • Responsible for maintaining enterprise level servers and the deployment of Windows 2012 servers
  • Led migration for planning and automating scripts to migrate 105,000 users from Exchange 2007 to Exchange 2013 messaging system Successfully.
  • Respond to Dell OME alerts and to maintain Hardware problems and systems configurations
  • Respond to SCOM 2012 Alerts and validation of the Health of Exchange 2013 Servers
  • Utilize Message tracking to determine Exchange mail routing and user request for the validation of email delivery
  • Deploy software via GPOs and SCOM

Confidential, Cockeysville, MD

Systems Administrator

  • Provided patch management to Exchange 2010 mail servers in a DAG environment.
  • Provided documentation to Helpdesk staff for Frequently asks questions.
  • Created PowerShell scripts to report and automate system administrative tasks.
  • Managed Active Directory sites; replication schedules, site links and permissions.
  • Provide an expert level review and validation of server for large accounts and prospects.
  • Provided 3rd level support for client and end user problems Exchange, Active Directory, server, pc hardware and printer support
  • Created, managed and provided support for Vmware 5.1 hosts and virtual machines
  • Responsible for managing alerts through Systems Center Operations manager 2012
  • Provided support for Dell Server systems and responded to Alerts from Dell open management essentials.
  • Performed maintenance for Exchange servers including patch management and failing over Databases in the DAG.
  • Responsible for regularly monitoring latency, system up time and mail delivery with message tracking.
  • Managed Activesync policies and troubleshot advance connectivity issues.

Confidential, Woodlawn MD

Exchange Administrator

  • Subject Matter Expert for messaging client issues using Outlook 2007 and 2010.
  • Provide 3rd level support for Lync communicator 2010 and Office communicator 2007 issues.
  • Provide Day to Day 3rd level support to a 105,000 plus Microsoft Exchange Mailbox Community.
  • Perform Mailbox migrations in a single Forest seven Active Directory domain environment.
  • Created PowerShell scripts to verify and ensure standardization of email recipients and automation of tasks.
  • Responsible for responding SCOM Alerts and addressing Exchange related issues.
  • Responsible for coordination with the Exchange engineers and Active Directory team, verifying that core exchange services, health of the Exchange servers are available and operable.
  • Provide mentoring for Helpdesk and System administrators for messaging topics.
  • Responsible for identifying lost data through item retention and restoring recipient’s data from back up on an Exchange disaster recovery server via Symantec Net Backup.
  • Provide Active Directory support.
  • Responsible for preparing and meeting with Senior Level Executives at SSA, for weekly outage reports of the messaging environment.
  • Create and maintain documentation on a department SharePoint 2010 site.
  • Administered testing in a VMware 4.1 environment in anticipation for testing Exchange 2010 functionality and implementation of new messaging technologies.
  • Utilize message tracking to ensure message integrity and resolve mail delivery issues.
  • Consulted with Vendor/Microsoft on-site support for consultation and recommendations.

Confidential, Washington, DC

Systems Engineer

  • Support and maintained Active Directory in single forest multi-domain environment providing advance support for up to 10,000 users
  • Performed group policy management.
  • Provided advanced recipient management of Exchange 2007 objects.
  • Performed migration of Exchange Accounts including restores of mailboxes and advance troubleshooting of Outlook clients.
  • Crafted Exchange management shell scripts for reporting, message tracking and automation of exchange tasks.
  • Provided management and troubleshooting of DHCP which included building and monitoring of DHCP reservations scopes.
  • Provide expedited resolution to server down situations, including root cause analysis and final remediation.
  • Configuration and troubleshooting of DNS in an Active Directory environment.
  • Provided Third level support of all client applications.
  • Monitor server hardware, performance, and up time and responded to outages promptly in a Windows 2003/2008 environment.
  • Managed back-ups and performed restores using Netback up.
  • Assists in coordinating and consulting with vendors and clients for hardware/software purchases, services and support.
  • Crafted PowerShell scripts to automate tasks and to use as a reporting tool.
  • Performed Print server management, building and management of print queues.
  • Managed file shares and size limits using Netapp.

Confidential, Bethesda MD

LAN Administrator

  • Created and managed Exchange mail objects
  • Active Directory management of user accounts, computer accounts and Group Policy Management
  • Created PowerShell scripts to automate repetitive tasks and produce reports from Active directory
  • Provided Advanced user support for Outlook 2007 and Exchange 2003/2007 environment
  • Created and management of printer queues
  • Created user training documentation for Standard operating procedures
  • Software evaluation and product research for new technologies
  • Performed backups of client data and restoring of critical data
  • Patch management using Altiris management console and created reports.
  • Monitoring of Exchange application and services in an exchange 2007 environment.
  • Configured and troubleshot SMTP, spam appliances and NDR’s

Confidential, Washington DC

Lan Administrator

  • Responsible for mentoring and assisting level one technicians
  • Provided advance end user support with hardware peripherals and software related issues
  • Created documentation for standard operating procedures
  • Responsible for creating mail objects and providing permissions to those objects
  • Responsible for adhering to a SLA agreement with resolving customer support issues in an expedient manner
  • Managed and provided documentation for advanced Outlook 2007/ Outlook 2003 issues
  • Troubleshot migration issues with exchange moving mailboxes from Exchange 2003 to Exchange 2007.
  • Provided assistance with SMTP issues including mail flow and troubleshooting NDR’s

Confidential, Annapolis, MD

Network infrastructure specialist

  • Provide 24/7 support with Service level agreements to a fast paced environment
  • Prepared Exchange reports on user usage and availability of the mail environment
  • Researched and tested new soft
  • Monitor and measure the performance and availability of the systems environment; implement corrective actions identified to improve performance and availability
  • Provided support for Office 2003/2007
  • Responsible for troubleshooting and monitoring of Exchange services in a Exchange 2003/2007 environment.
  • Administer Active Directory issues such as: logon failures, account lockouts, network connectivity, DNS resolution, authentication problems, folder and printer, etc.
  • Administer patch management to Windows 2003/2008 Servers following proper change control procedures. Which included Virtual Machines and physical machines?
  • Provided remote support for users using Terminal services, remote assistance and WebEx
  • Responsible for problem determination and resolution for client based PC’s running windows XP and Windows Vista
  • Responsible for new PC and laptop deployments with Symantec Ghost.
  • Managed PST files in which I was responsible for repairing, restoring and maintaining PST files.
  • Managing users Outlook profiles, moving mailboxes and Exchange 2003/2007 maintenance
  • Responsible for documenting new Standard operating procedures for training and reference

Confidential, Washington, DC

Desktop Support/Helpdesk Support

  • Responsible for deploying and setting up PC configurations for 3000 end user community
  • Troubleshoot Outlook Client issues
  • Responsible for moving mailboxes
  • Provided remote access support for users using Citrix Metaframe
  • Accurately and consistently documented instances of hardware and software failure, repair, and resolution Support and trouble-shoot Windows desktops and applications in a timely and efficient manner
  • Provided Remote Desktop and phone support for remote Windows XP professional users using Citrix
  • Responsible for administering PC images when required and proper wiping of data Provide accurate and creative solutions to technical problems of moderate nature to ensure end-user productivity
  • Support for MAC end users Mac book pro
  • Configured CAT 5 cabling to setup new users, printers and other TCP/IP devices to the network
  • Responsible for basic Active Directory administration

Confidential, Thousand Oaks, CA

Network Support Analyst

  • Provided installation maintenance, desktop, router configuration, software and technical support to Confidential business DSL customers
  • Isolated WAN/LAN issues troubleshot VPN connectivity issues
  • Responsible for troubleshooting Exchange connectivity issues 5.5 and 2003 server issues
  • Configured and troubleshot Linksys, Dlink, Ad Tran, Belkin and SOHO routers
  • Configured Client based firewalls, pop-up blockers, spy ware, adware and security issues dealing with client based issues
  • Troubleshoot client based email Outlook, Outlook express and other email clients

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