Sr. Middleware Administrator

Location
Eagan, MN
Posted
Apr 19, 2017
Closes
May 23, 2017
Function
Administrative
Hours
Full Time
Summary: This position will maintain application hosting environments at various data centers and provide hosting services to approximately 200 applications and systems, both internally and externally facing. As a part of the middleware group the individual will be responsible for maintaining and securing the Web Sphere application server environment. The successful candidate must have strong working knowledge and hands-on support experience with Microsoft Windows and UNIX/Linux server operating systems; must lead the development, review and approval of standards and procedures, both operational and functional; and may be required to support different shifts to enable 24x7 support. Must carry a pager and be on call. Limited travel may be required. This principal is a key member of a dedicated Middleware team to perform all activities associated with managing, supporting and troubleshooting a large, complex and widely distributed environment.

 

    Maintain and ensure availability and capacity of Middleware AppServer products and services and support client applications in a large and complex environment.Work independently or semi-independently with limited guidance or direction.Provide technical leadership in the development efforts that may span multiple USPS and contractor teams.Plan and implement the Middleware AppServer environment for all stages of development as well as production.Install, support, maintain and upgrade Middleware AppServer products and services.Develop and maintain project plans in accordance with client standards.Develop, document, and implement procedures that support, maintain and enhance the Middleware AppServer environment.Interact with other organizations and individuals, such as developers and end users, to diagnose and resolve problems.Diagnose and resolve complex problems in the Middleware AppServer environments.Develop growth plans to ensure that the hosting environment is capable of supporting the projected growth.Perform as the escalation point for all issues not resolved by the other support staff.Develop and implement procedures that support proactive problem detection and avoidance, including disaster recovery planning and implementation.Balance hardware, network, and software and architecture issues to arrive at a scalable and maintainable solution that meets client requirements for uptime, performance and functionality. Also recommend solutions and alternatives.Perform logical and physical Appserver design (HA, multi-jvm, and multi-cell).Ensure all changes are documented and develop Quality Assurance plans and procedures.Perform SSL Certificate management.Research new and developing technology and their applicability to the environment.
Education Bachelors Degree in a Computer Science or related technical discipline, or the equivalent combination of education, technical certifications or training, or work experience.

Qualifications
    10-15 years of directly related computer systems analysis and/or programming experience with five years of progressively more complex IT systems experience.Two years of experience in supporting WebSphere AppServer or similar Java EE server products in a large, complex and widely distributed environment.Expert ability to install, upgrade, maintain and Support Middleware AppServer products and services in a large enterprise environment.Strong working knowledge and hands-on support experience with Microsoft Windows and UNIX/Linux server operating systems.Expert ability to diagnose and resolve complex problems in a Middleware AppServer environment.Excellent ability to develop and implement procedures that support, maintain and enhance the Middleware AppServer environment.Excellent ability to develop and implement procedures that enable proactive problem detection and avoidance, including disaster recovery planning and implementation.Excellent ability to perform logical and physical Appserver design (HA, multi-jvm, and multi-cell).Excellent ability to provide guidance, being a resource and functional expert to the developers on JAVA EE server.Experience with Middleware AppServer performance tuning.Strong working knowledge of Web Browsers.Experience with SSL Certificate management for Middleware products.Experience with Middleware AppServer monitoring tools such as WebSphere AppServer Performance Viewer and 3rd party Appserver monitoring tools utilizing PMI.Working knowledge of firewalls, dmz's, and enclaves.Experience with all phases of application development.Experience with one or more scripting languages.Experience with IBM Websphere Virtual Enterprise, IBM Websphere Portal, and IBM Websphere Commerce.Strong working knowledge of Oracle Application Server.Strong working knowledge of Apache TomCat.Experience with Microsoft, Project, Word, Excel, PowerPoint.Experience with Oracle/DB2 in a distributed environment.Experience with TCP/IP.Experience with the design of three-tier architecture.Successful candidate must be able to obtain and retain a Public Trust clearance.Candidates must be authorized to work in the US and a resident of the US for the previous 5 years with no longer than a 90 day absence.
  As a trusted systems integrator for more than 50 years, General Dynamics Information Technology provides information technology (IT), systems engineering, professional services and simulation and training to customers in the defense, federal civilian government, health, homeland security, intelligence, state and local government and commercial sectors.With approximately 32,000 professionals worldwide, the company delivers IT enterprise solutions, manages large-scale, mission-critical IT programs and provides mission support services.GDIT is an Equal Opportunity/Affirmative Action Employer - Minorities/Females/Protected Veterans/Individuals with Disabilities.