Senior Systems Administrator

Served as a System Engineer and System Administrator for approximately a dozen client companies. Installed, upgraded, and managed IBM i LPAR environments, including server, storage, and UPS rack-and-stack work.

Monitored and maintained several hundred servers, managed IBM i and Active Directory user accounts and groups, and resolved NetBackup issues. Supported Azure Stack and VMware failover monitoring, backup operations through BRMS, ticket handling, and root-cause resolution for recurring issues.

Provided third-level systems support for a medical-industry organization serving approximately 10,000 clients. Managed Microsoft and third-party patching, application deployments, application bundles, and virtual or sandboxed applications.

Led Windows 7 to Windows 10 migrations and subsequent Windows 10 version upgrades. Managed workstation Group Policy Objects, monitored deployments and patching, supported VIP tickets, and coordinated annual projects across 200 remote facilities with teams of on-site technicians.

Investigated complex issues using logs and utilities including Sysinternals and Fiddler. Tracked deployment health and helped resolve enterprise endpoint and application support issues.

Administered systems for a medium-sized insurance company, including Exchange 2010 with multiple DAGs, Lync 2010, Symantec Endpoint Protection, webmail, RightFax, and Group Policy-based scripts.

Acted as a primary escalation contact for help desk and server issues in a Windows Server 2008 R2 and Windows 7 environment. Supported tier 2 and tier 3 operations, assisted with Server 2003 and Windows XP migrations, and supported the transition of desktop users to Citrix.

Rolled out Citrix XenApp 6.5 servers and virtualized most servers through P2V conversions using VMware vSphere.

Taught an eight-week IT course designed to prepare high school students for one-year internships with Fortune 500 companies.

Delivered an A+-based technical curriculum with a Cisco networking emphasis and coached students for corporate IT employment.

Administered Microsoft Exchange, file and print services, backups, Active Directory accounts, Windows XP and Windows 7 client systems, and Outlook configurations. Served as a senior help desk administrator and supported more than 2,000 desktops and laptops across 150 worldwide locations.

Used SMS and SCCM for inventory, patching, and software deployment. Managed mailbox migrations, Exchange storage groups and retention policies, Microsoft Communicator, folder security, and Citrix printer deployments connected to an Oracle backend.

Maintained multi-location backups with HP Data Protector, created Hyper-V virtual servers, deployed Windows XP service packs and Microsoft Office releases, and supported mobile devices including BlackBerry, iPhone, Android, Windows Mobile, and iPads.

Deployed small-business and home networks and upgraded workgroup environments to server-based networks.

Provided on-site support, troubleshooting, and network maintenance for small-business and residential clients.

Migrated, deployed, and managed a Windows 2000 domain. Configured routers for WAN connectivity and VPN support, and migrated Exchange 5.5 to Exchange 2000.

Configured Citrix and network applications to operate within an ISA-based security environment and implemented Group Policy for improved user security and management.

Taught Windows 2000 MCSE, CCNA, A+, and Network+ coursework, including A+ and Network+ classes for FAA employees.

Planned and tested an unattended deployment solution for Microsoft Office XP. Developed scripts to automate the Office XP deployment process and created standardized system images for multiple hardware profiles using Norton Ghost.

Provided help desk support for Windows NT, 95, 98, 2000, and XP devices running Office applications, AS/400 client access software, and database integration applications. Also supported IBM and Triversity POS systems and LAN/WAN environments.