Joshua Mardis

  • Tampa US-FL
Joshua Mardis

Summary

I have over fifteen years experience in the multiple facets of Information Technology. Enterprise systems subject matter expert for full system lifecycle evolution. Leader of professionals to transform customer requirements into technical solutions utilizing innovative cloud computing environments. Prior experience includes end-to-end architecture of network, and software; installation, configuration and integration of enterprise services, operating systems, network infrastructures, and system hardware.  A true specialist in systems design, gathering requirements, research and analysis, and matching customer needs to real system solutions.

Objective

My main objective is to partner with a leading-edge organization that can embrace the culmination of my vast technical experience to engineer, harmonize, and revolutionize enterprise IT systems. I desire to lead a team of technical professionals to forge novel and state-of-the-art results.  My peak potential would be fulfilled in a Research and Development domain that embraces cutting-edge technologies and techniques.

Skills

Skills

Concepts & Techniques

Cloud Computing, Grid Computing, Clustering, High Availability, Dynamic Resourcing, Distributed Computing, Agile Development, Rapid Application Development, SCRUM, Software as a Service (SaaS), Platform as a Service (PaaS), Infrastructure as a Service (IaaS), Rapid Application Development (RAD), Extreme Programming (XP)

Programming Languages, Platforms, and APIs

Java, JavaScript, HTML,  XML, Adobe Flex, GridGain, GigaSpaces XAP, HTTP, Apache, ASP, .NET, PHP, CGI, Tomcat, JBoss, Glassfish, Atlassian (Greenhopper, Fisheye, Bamboo, Jira, Crowd, Clover, Crucible, Confluence), Spring, Rabbit MQ, Active MQ, JSON, DHTML, XHTML, CSS, Eclipse, Netbeans, IntelliJ IDEA, API, REST, WSDL, WADL, Webtop

Enterprise Software

VMware VI3 (vCenter, VirtualCenter), Sun Secure Global Desktop (Tarantella), McAfee Antivirus Enterprise, Symantec Antivirus Enterprise, LeoStream Connection Broker, Sun SunRay, ThinApp, Microsoft Office, Bakbone NetVault, FastScale Composer Suite,  Xenocode Application Studio, VDI, Provision Networks, Secure Global Desktop (SGD), Tarantella, NAS, iSCSI, SMTP, MAPI, IMAP, POP, LDAP, Active Directory, Thin Client, Perl, Scripting, Jumpstart, Kickstart, NFS, FTP, TFTP, ETCH

Enterprise Hardware

Sun Microsystems, IBM, NetApp, HP EVA, C-class, P-class, Dell, Tyan, Supermicro, Verilink, Microsoft, Symantec, McAfee, Citrix, Fujitsu, NEC, DotHill, Brocade, Emulex, McData, 2X, PostPath, Nortel, Intel, AMD, ATI, EMC, nVidia, LSI, Xenocode, Thin Client, SAS, RAID, Cisco UCS

Network Services

TCP, IP, UDP, Trunking, Tagging, LAN, WAN, WLAN, SAN, DAS, Ethernet, Routers, Switches, VTL, TACLANE, Crypto, VPN, Firewall, DSLAM, Content Engine, DSL, ATM, Etherchannel, IEEE 802.1q, ISL, VTP, STP, DNS, DHCP, Radius, SNMP,  SSH, Telnet, Update Manager, Exchange, Proxy, SQL, IAS, DOCSIS, Cable Modem, Netgear, Linksys, Cisco Systems, Foundry, Juniper

Operating Systems / Hypervisors

Linux, Unix, IRIX, Ubuntu, Redhat, Fedora, RHEL, SUSE, DSL, Knoppix, BusyBox, Gentoo, SLAX, Fedora, Solaris, AIX, BSD, BeOS,  Windows 3.11, Windows NT 3.5, Windows NT 4, Windows 2000, Windows XP, Windows 2003, Windows Vista, Windows 2008, Windows 7, VMware Server, ESX, ESXi 

Work History

Work History
Apr 2011 - Present

Senior Sytems Engineer/Software Integrator

Thermopylae Sciences and Technology

Engineer solutions for modernizing the 3-D User-Defined Operational Picture (3D UDOP) software platform based on the Google Earth API and RackSpace Cloud. Key provider of technical support and resources for Mobile and PHP developers. Augment PHP, JavaScript and Mobile developers in fixing infrastructure and source code bugs.

Accomplishments:

  1. Created Continuous Integration environment leveraging a full suite of automation modules and processes for projects development life cycle. Hosted in the Amazon EC2 and utilizing Jenkins and Atlassian Jira with GreenHopper, project visibility and productivity is observed at the highest scope of management in real time.
  2. Migrated older Postgres v8.3 databases to Postgres v8.4 database.
  3. Converted all UDOP platforms from older Ubuntu v.8.0.4 operating environment to customer approved Redhat Enterprise Linux (RHEL) v5.5 operating environment.
  4. Fixed a critical error with the User Interface (UI) not being able to create accounts with the automated process.
  5. Implemented an efficiency model and removed unnecessary processes and physical servers, in turn, saving the company money and time.
Jan 2011 - Apr 2011

Senior Sytems Engineer/Software Integrator

Thermopylae Sciences and Technology

Supported the Hermes team on the Windshear project charged with the responsibility of the development and integration of current and future Themopylae products into an Enterprise Service Bus (ESB).  Install, configure, and maintain customer's private cloud and Software as a Service (SaaS) platform. Advise and instruct the team on all matters of automating and leveraging the capabilities of the cloud.

Accomplishments:

  1. Developed a full-featured Enterprise Service Bus (ESB) by harvesting the capabilities of Apache ActiveMQ, Camel, Tomcat, and Java.
  2. Created specialized Redhat Enterprise Linux (RHEL) v5.5 instances to utilize the Boot-strapping feature on the Amazon EC2 cloud, which allows for modified kernels and unlocking advanced features.
  3. Created a PHP client module that communicates with Camel and ActiveMQ via Stomp allowing for cross communication to JMS and REST clients.
May 2009 - Jan 2011

Senior Systems Engineer

Thermopylae Sciences and Technology

Supported TST Southern Command (SOUTHCOM) by assisting the Web development team in the architecture of enterprise services for mission critical opertations. Assisted in the design of cloud based applications utilizing SCRUM agile methodology process. Provided system support to the Technology Integration team. Created innovative system solutions to provide a foundation for customer software products. Engineered business processes tailored to customer needs. Augmented the maintenance team in support of DGCS "Peso" system. Assisted the team in technical implementations and upgrades. Sole integrator and maintainer of team development network. Development environment consisted of Cisco UCS blade system, Cisco 6120XP Fabric Interconnects, HP EVA and MSA storage systems, Cisco MDS Fibre channel switches, with VMware as the foundation platform.

Accomplishments:

  1. Architected, installed, and configured a full featured development environment. Features included: continuous integration (CI), Java documentation (JavaDocs), JavaScript unit testing (JSUnit), Java Unit testing (JUnit), SCRUM agile development process (Jira w/ Greenhopper), Web Application Testing (Watij), Functional testing (Selenium).
  2. Deployed an enterprise virtualization solution on customer's classified networks.
  3. Assisted the lead database administrator in the architecture of a unified data access layer for production environments.
  4. Assisted in the development of an end-to-end software lifecycle process.
  5. Successfully migrated 3 networks of legacy services from static physical hardware to high density Cisco UCS and HP C-3000 blade systems and VMware virtual platforms.
Aug 2008 - May 2009

Consultant

VirtaCORE

Self-employed Virtualization Consultant. Provided technical solutions for customers seeking the benefits of a scalable, tightly integrated, and finely tuned virtual systems. Achitected end-to-end design services for customers integrating cloud-based platforms into new or existing systems.

Accomplishments:

  1. Installed and configured Sun Secure Global desktop solution for UTSA customer.
  2. Assisted in the troubleshooting of LDAP related authentication issues.
  3. Provided customers with on-the-job training for technicians and administrators.
May 2007 - Aug 2008

Senior Systems Engineer

SecureTek Group

Lead systems engineer in the architecture of solutions that utilized hypervisors (VMware VI3/vSphere, Citrix Xen, Microsoft Hyper-V, Redhat/Qumranet KVM), operating systems (Redhat Linux, Solaris Unix, Microsoft Windows), enterprise applications (vCenter, SunRay), networking (Ethernet, FC, Infiniband), and hardware (Blade Systems, SAN, NAS, VTL) technologies. Creator of innovative system designs to increase ROI, reduce TCO, consolidate and virtualize hardware and software, ease and simplify system management, while maximizing the efficiency of the datacenter environment. Provided administrative support for corporate and customer solutions. Interfaced with clients and assist customers in developing a deeper understanding of the benefits of virtualization products. Instructed customers on the proper procedures and best practices for more efficient datacenter. Architected virtualization solutions for small, medium, and enterprise IT environments. Maintained awareness of current IT trends and have foresight of technologies leveraging virtualization technologies. Tightly integrated customer's core systems into a virtualized, cloud computing environment.

Accomplishments:

  1. Integrated virtualization services to Department of Defense and commercial customers nationwide.
  2. Designed, built, and supported tier 2 class datacenter environments for corporate infrastructures.
  3. Key provider of technical solutions for Tech Pak and DataCenter Pak products.
  4. Innovated new solutions and expanded business opportunities with the research done in desktop and server virtualization technologies.
Dec 2005 - May 2007

Level III System Adminstrator

Perot Systems Government Services

Defined business specific build components and automation to support client builds for Redhat Enterprise Linux (v3+), Sun Solaris OS (v2.6+), and Microsoft Windows Server (v2000+) environments. Provided support for junior L2 administrators with hardware, storage and network problems as necessary and perform root cause analysis.  Assisted clients in debugging application problems and issues. Assisted with escalations from Level 1 Ops and Level 2 Junior SA staff. Participated in engineering and technical reviews of new hardware and architecture. Communicated with global technology and business partners. Rotated on call coverage including off hours support. Provided testing and evaluation of new builds, hardware and technical solutions provided by engineering. Reviewed metrics on tickets closed, escalated and incidents to identify opportunities for improved automation of alerts and or documentation for L1/L2 technicians.

Accomplishments:

  1. Utilized networking experience to provide advanced network solutions in regards to server side system configuration to create a more efficient, redundant server/network topology and streamline data processing.
  2. Created a tightly integrated cross-platform, clouding computing system that boosted server utilization and efficiency while saving on costly system upgrades and system refresh costs.
Dec 2004 - Dec 2005

Network Infrastructure Technician

United States Air Force

Installed networking and telecommunication equipment for classified customers worldwide. Assisted in monitoring efficiency of the network infrastructure. Organized and maintained cabling of networks for customers. Maintained inventory of electronic equipment in telecommunication closets. Maintained inventory of uninstalled electronic equipment. Assisted in configuration and maintaining district's network electronics. Documented customers network configurations for data and/or telephony infrastructures. Assisted with troubleshooting data and/or VoIP telephony problems. Provided support for video conferencing projects and related equipment. Provided support for wireless network infrastructure.

Accomplishments:

  1. Lead Installer of several high priority projects in secure, multi-classification environments.
  2. Key innovator of integrating new technologies to increase the efficiency and security of customers infrastructures.
  3. Established a new service during installations that eliminated costly outsourcing for DoD customers. Removed the need to hire 3rd-party vendors to configure installed Cisco routering and switching equipment.
Dec 2003 - Dec 2004

Senior Network Administrator

United States Air Force

Installed, configured, and maintained nationwide support of all networking equipment for Air Force installations in South Korea. Provided on-call support for Osan network ensuring availability of Local Area Network computer services to Air Component Command, Seventh Air Force, 51st Fighter Wing, and tenant units of South Korea. Collected and analyzed performance data to identify adverse trends and shortfalls in the overall network infrastructure. Recommended changes in network configurations, equipment, and engineers technical solutions for customer requirements. Prepared and updated network maps, access point diagrams, and facility equipment listings.

Accomplishments:

  1. Designed and installed communication infrastructures and equipment for high security environments.
  2. Created unique network solution for local OSI unit, and greatly improving remote access performance for mission critical intelligence services.
  3. Lead technician of a $42M network infrastructure refresh project to expand and upgraded core services of Pacific Air Force network.
  4. Configured CiscoWorks server and created detailed network map to actively track network outages nationwide in real time.
  5. Keystone in an upgrade project to replace obsolete Motorola Network Encryption System with KG-175 TACLANE encryption devices. Improving network efficiency for more than 3,500 users.
Aug 1999 - Dec 2003

Unix Systems Administrator

United States Air Force

Installed, configured, and maintained more than 3,000 servers and workstations utilizing Sun Solaris (v2.6+) operating system. Perform all phases of maintenance on combat intelligence, analysis, and office information processing systems in support of the combined Joint Operations facility. Installed, assembled, connected, and integrated components of data transmission, processing, and display equipment onto fiber optic networks. Inspected and tested equipment for compliance with technical orders. Repaired, modified, adjusted, aligned, and calibrated equipment and components to obtain maximum efficiency. Isolated malfunctions by using operation troubleshooting and testing techniques, voltage and waveform measurements, and interpreting related test equipment indications.

Accomplishments:

  1. Assisted in a upgrade project of major intelligence information network and servers; deployed 380 Solaris terminals, three equipment cabinets, four power hubs, 100 fiber terminations, 1,200 feet of fiber optic cabling, and 12 servers in 2 weeks.
  2. Deployed $100,000 solution to install state-of-the-art network servers, satellite modems, communications switching/routing equipment, and interconnected six state of the art mission systems.
Jul 1999 - Aug 1999

Web Designer

United States Air Forces in Europe

Designed HTML prototypes, visual interfaces and interaction of web-based applications.  Designed and evaluated visual human interfaces utilizing user-centered design principles.  Provided SME on web design methodologies in accordance with web enabled online strategic objectives.  Provided support for strategy, requirements and development in modeling web presentation techniques.

Accomplishments:

  1. Updated and refreshed functionality of USAFE customers web interface.
  2. Provided new feature that allowed customers to upload and download meeting minutes.
Aug 1998 - Jun 1999

Assistant System Administrator / Web Designer

Ramstein High School

Assisted in the administration of Windows NT 4 and Novell Netware Networks v4 environment. Lead web designer and maintainer for schools website. Troubleshot hardware issues that occurred during school operations. Gathered technical information on any Terms of Service violations for students and faculty.

Accomplishments:

  1. Redesigned customer's website to a new, theme-able, inviting web interface.
  2. Recoded HTML source files to be more efficient by removing unnecessary tags, statements, and erroneous code.
Jun 1998 - Aug 1998

Web Designer

United States Air Force of Europe

Designed HTML prototypes, visual interfaces and interaction of web-based applications.  Designed and evaluated visual human interfaces utilizing user-centered design principles.  Provided SME on web design methodologies in accordance with web enabled online strategic objectives.  Provided support for strategy, requirements and development in modeling web presentation techniques.

Accomplishments:

  1. Designed, created, and deployed professional interactive website for USAFE customers in accordance with DoD policy.
Aug 1996 - Jun 1998

Assistant System Administrator / Web Designer

Vicenza American High School

Assisted in the administration of Windows NT 3.5 and Novell Netware Networks v3.4.2 environment. Assistant web designer and maintainer of customer's website. Troubleshot hardware issues that occurred during school operations.

Accomplishments:

  1. Upgraded customer's core network infrastructure from a slow coax 10Base2 network backbone to a high-speed fiber (FDDI) network.
  2. Utilized superb technical knowledge and troubleshooting skills to minimized downtime from a campus network outage. Determined outage was caused by faulty 10Base2 cable end terminator.

Education

Education
Oct 2002 - Dec 2002

Park University

Portfolio

Certifications

Certifications
Oct 2007 - Present

VMware Sales Professional

VMware
Oct 2007 - Present

VMware Certified Professional

VMware
Jul 2007 - Present

Sun Certified System Administrator

Oracle
Jan 2011 - Present

CompTIA A+

CompTIA
Jan 2011 - Present

CompTIA Network+

CompTIA
Jan 2011 - Present

CompTIA Server+

CompTIA
Jan 2011 - Present

CompTIA Security+

CompTIA

Top Secret - Full Scope/Lifecycle Polygraph