DAVID H. KISANGA.

***** ** ****** **, ********, OR 97230. ac6tuz@r.postjobfree.com. 703-***-****.

CAREER OBJECTIVE:

Versatile, multi-talented Infrastructure Systems Engineer with expert knowledge of Windows in a global IT infrastructure spanning data centers across the world with global traffic management capabilities. Looking to a Systems Engineer, position that effectively uses analytical skills to build innovative solutions for clients in the Information Technology services market.

CAREER PROFILE:

Providing fully replicated failover clusters for High availability of services and resources like File Shares.

Virtualization: VMWare, Hyper-V.

Maintaining 99.9% uptime systems for IT Infrastructure.

24/7 rotates On-Call support and server notifications.

After-hours Maintenance Tasks.

SKILLS:

Microsoft Windows OS, Server 2000/2003/2008/2012/2016, Windows XP, Vista, 7/8/10.

Microsoft SQL 2000/2005/2008/2012/2014/2016.

Microsoft Systems Center Configuration Manager (SCCM) 2012 R2 SP1.

Microsoft Office Suite.

Automation Code: Puppet, Batch files, Puppet.

VMWare-virtualization (ESX 3.0, 3.5, 5.1, 5.5, 6.0, 6.5, 6.8 vSphere, vCenter, Virtual Converter), Hyper-V – System Center Virtual Machine Manager (SCVMM - 2016).

Services: Active Directory, Group Policy, DHCP, SMTP, Web, DNS, WSUS, IIS.

F5 BIG-IP LTM, TCP/IP Networking.

J2EE-Jboss 4.3, Sharepoint, F5 Networks, Vormetric Encryption software, Veritas Backup Exec 9.1, Remote desktop. VNC, IIS 6/7, Visual Source Safe, Clear Quest, Perforce, PatchLink patch Management systems, PGP Desktop whole disk encryption, McAfee, Trend Micro Enterprise Antivirus and Symantec Enterprise, iLab, GIT experience, JIRA.

Agile Teams Agile for ALL Training (SDLC).

WORK EXPERIENCE:

Corporate Executive Board, CEB – (Rosslyn, VA)

Sr. Systems Engineer. August 2011 – Present.

Infrastructure engineer for a 24/7 IT operation with several Data Centers globally with global traffic management capability in a Virtualized environment providing end-to-end hosting support to all of the SaaS based customer facing system including application support to CEB Talent Management Systems.

Lead the review and research of new technologies in response to project requirements and business needs. Develop implementation and support plans through migration from Lower Environments through test and ultimately to Production Environments.

Coordinate and collaborate with Service Delivery Manager and Application Teams on Infrastructure roadmaps, standard, processes, and guidelines. Ensure integrity of infrastructure components in alignment with stated architectures.

Work with Development team to identify bottlenecks and opportunities for improvement in the deployment and build process.

Performs Patching, Maintenance and Administration of a mixed/Virtualized Enterprise Server environment, composed of Windows 2008, 2008R2, 2012 and 2016, both physical and virtualized via vSphere 5 and 6 using Microsoft Systems Center Configuration Manager (SCCM) 2012.

Create and manage Virtual Machines and Virtual operating systems and make sure new servers are in correct OU with GPO applied, health check is perform using SCOM.

Responsible for day to day incidents in HPSM ticketing tools and depends on situation they are converted to Problem Management for an RCA or for and emergency CM and planned change management.

Manage day to day operations with attention to detail including monitoring all network server logs, software installation and upgrade using Enterprise Alert Derdack, SCOM and Pingdom.

Monitor ongoing systems performance, anticipating problems before they occur and proposing solution.

Provide and update documentation on standards and non-standard systems, custom solutions and user procedure guidelines.

Implementing High available systems with Disaster Recovery, Virtualized infrastructure with over 900 Servers.

Lead and/or provide support for variety of project related activities across multiple business units.

Working knowledge and experience sufficient to successfully troubleshoot Windows operating systems using text-based logs, Windows Event logs and various utilities.

Experience with automated configuration management and deployment tools Puppet.

Experience in using development tools such as git, JIRA.

Provide 3rd level support.

Work with third-part companies to resolve hardware, and software issues.

Setup security configurations via group policy objects GPO.

Building, managing and configuring local load balancing with F5 LTM and to direct and transform application traffic using iRules.

Domain and local security configurations and manage Active Directory Services.

Online Resources Corporation, ORCC – (Chantilly, VA)

Sr. Systems Administrator. July 2006 – August 2011.

Designed, implemented and deployed server consolidation program through use of VMware ESX server (Linux) and VM’s for Dev/QA and Production environments.

In an Agile/Scrum environment – Work closely with Development team to build and maintain our financial products and service for a leading outsourcer on Internet Banking and Payment Service.

Provide support to the existing configuration management environment.

Improving server availability and deployment, reducing the workload, overall hardware purchase cost and power consumption.

Designed the performance monitoring process and improved disaster recovery process to utilize virtualization benefits.

Successfully migrated of physical Windows servers to VM Virtual servers while maintaining high application availability.

Installing and administering Microsoft Server (2000/2003/2008 R 2), Active Directory, Exchange (2003/2005) SQL Server (2005/2008 R2) and IIS 6/7.

Install new/rebuild existing servers and configure hardware peripherals, services, setting, directories, storage etc. in accordance with standards and project/operational requirements.

Build, rack, configure, deploy, maintain, patch, troubleshoot and monitor Windows based servers.

Lead technology troubleshooting for incidents and problems involving infrastructure.

American Roentgen Ray Society – (Leesburg, VA)

Systems Administrator. June 2003 – July 2006.

Responsible in managing the entire ARRS computing infrastructure, responsible for troubleshooting network, application, operational and employee issues related to the ARRS network and also to maintain systems, perform routine system maintenance and upgrades on daily, weekly, monthly and periodic basis as required.

Maintained desktop integrity through upgrades, set up new or rebuilt computers, document processes and procedure.

Setting up laptops for our remote users, make sure all laptops meet security requirements by installing antivirus, patchlink, encrypt the whole disk, rename administrator account and also including all necessary applications

Provide desktop/laptop support (hardware/software) to internal and remote users.

Add or remove users from MS Active Directory and move local account to domain account and also create and manage mailboxes, public folders using Exchange 2003.

Manage security infrastructure – Symantec Enterprise Anti-Virus and Watch Guard Firewall.

Provide troubleshooting principles and administrator duties, which include establishing accounts and setting permissions for users.

Ability to communicate technical to non-technical people.

EDUCATION:

University of the District of Columbia – (Washington, DC)

Bachelor of Science in Computer Science.

Certification: GTM F5 Big-IP Global Traffic Manager v11.x

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