Systems Analysis, Powershell, Exchange, Active directory, Developer.

John P. Stimmel

**** **** **. *** ******, IA **310 515-***-****

****@*******.**** http://www.slipsec.com

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Objective:

As an experienced Systems Engineer, I am seeking to transition into a developer position. I seek to use my enthusiasm to adapt and succeed in new challenges, and to enhance the value of my team and myself.

Certifications:

• Microsoft Certified IT Professional (MCITP) Enterprise Messaging Administrator on Exchange 2010 D212-4438 2/23/2011

• A+

Experience:

LightEdge Solutions Systems Engineer

2008 – 2011

Designed and deployed Exchange 2010 with:

• Geographic redundancy

• JBOD disk architecture to reduce storage costs

• Cisco load balancing (ACE)

• Corporate environment (200 users) as proof of concept for upgrade of cloud offering

• Dell servers running virtualization layer, with local storage

Designed and implemented Multi-tenant Cloud Microsoft Exchange 2007 System.

•Scalability

• Migrated to virtual machines where applicable, evaluated disk IO and compute requirements.

• Managed network scaling using VMware vCenter, and Cisco UCS.

• Automated common administrative scaling tasks with PowerCLI.

• Created monitoring and scale plans for adding additional network, processor, memory, and storage.

• Designed storage on IBM, EMC, and other storage systems, with fibre channel, ISCI, and FCoE to meet requirements: 10,000 users, 30TB storage, 18,000 IOPs, and 100% annual scale increase.

• SCOM (Systems Center Operations Manager) for deep monitoring, alerting, and error state resolution.

•Security

• Architected and implemented network security and load balancing with Cisco FWSM firewalls and ACE load balancers. Provided geographic redundancy for all systems.

• Architected and implemented authorization and authentication designs in active directory and on front-end systems to meet requirements for users, administrators and other external systems while maintaining least access principles.

• Worked with network design on MPLS network design to provide isolated secure access over provider backbone, spanning remote datacenters in different states.

• Modified Active Directory LDAP replication to converge with network design for optimization of link speed and stability.

•Provisioning

• Automated provisioning and deployment of servers, virtual machines, storage (LUNs and arrays), and networking.

• WSUS integration for maintenance and software deployment, and automated with PowerShell.

• Extended user provisioning system backend built with C#.NET, DCOM, and MS SQL, and exposed via a web services to the front end servers.

• Extended provisioning system where additional functionality or reporting was needed. Worked with the front-end maintainers to design for security and synchronization

•Extension

•Integrated 3rd party systems: Blackberry Enterprise server, Globalsign (email archival/ journaling), Zix (email encryption), mediawiki with AD Single Sign On integration for procedure and operational documentation

•Developed transport agents for exchange to handle email rewriting and rerouting using C# .NET 3.0, ADSI, Directory Services APIs, and .NET Multithreading.

•Automated email migration: PowerShell with .NET for parsing, manipulation, and cross-forest geographic migration. Imported customer email from remote sites onto cloud platform.

•Wrote reporting / auditing scripts: WMI used to monitor with .NET to dynamically generate graphical reports and email to platform maintainers and engineers.

• Wrote scaling scripts: wrote a build system to automate provisioning of storage (LUNs), new servers, Networks, and Exchange Databases.

•Created intranet sites using IIS7, C#, ASP.NET, and Active Directory integrated security.

LightEdge Solutions TAC Technician

Spring 2004 – 2008

• Troubleshot TCP-IP issues relating to enterprise class firewalls and VPN solutions including route configuration WAN configuration, and end-to-end connectivity.

• Managed timely repair trouble isolation of T1, Frame Relay and SONET, connections focusing on physical and carrier related errors.

• Created and modified shell scripts to speed provisioning on enterprise class BIND 9 servers.

•Provisioned:

DNS hosting (master/slave)

Virtual site hosting (IIS/Apache)

Email hosting/AV scanning/ MTA Forwarding

URL filtering (Websense)

IP allocation and routing

List server accounts (Post Office)

• Provided on-call support of above services.

• Documented procedures for provisioning and support of above services.

• Configure and advise about business class firewall solutions.

• Created web based documentation of support and setup procedures.

Independent Development

• Android app development in Eclipse with Java and SQLite.

• ASP.NET MVC3.0

• Web site development featuring, dynamic content, jquery, unobtrusive AJAX, OpenAuth, and the Entity Framework with LINQ to entities. SQL server 2008r2 backend.

• Published Powershell scripts and tips to http://www.slipsec.com

Technologies:

•Storage: IBM and EMC enterprise storage systems, fibre channel switching, iSCSI, FCoE, HBAs and initiators.

•Languages: Powershell, C#, vbs, HTML, ASP.NET MVC3, LINQ to entities, Entity Framework, bash,

•Operating Systems: Microsoft Server 2003, 2008, 2008r2, Various Linux distributions including VMware ESX, SUSE and Gentoo

•Servers: IBM, Dell, and HP servers, IBM blade systems

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