Sr. Middleware Administrator

Type of Requisition: RegularClearance Level Must Be Able to Obtain: NonePublic Trust/Other Required: NoneJob Family: Systems AnalysisSenior Middleware AdministratorGeneral Dynamics Information Technology (GDIT) has an immediate need for a Senior Middleware Administrator. The successful candidate will maintain application hosting environment at various data centers and provide hosting services to approximately 300 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 WebSphere 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 Sr. Middleware Administrator 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.DUTIES AND RESPONSIBILITIESReport directly to the Middleware manager.

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 Postal 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.

Serve 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, 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 USPS environment.

We can only accept US citizens and or Green Card Holders. The security clearance for this program requires the selected candidate to have resided in the US for the past five years and not have left the country for longer than 90 consecutive days.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+ years of directly related computer systems analysis and/or programming experience with five years of progressively more difficult IT systems experience

Two years experience within the last five years in supporting WebSphere AppServer or similar Java EE server product in a large, complex and widely distributed environment

Unique/Additional skills and abilities: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.

Working knowledge of problem and change management.

Willingness to work long and varied work schedules required by this large, diverse and complex production environment.

Excellent people skills

Able to communicate effectively in person, in writing and over the telephone in English.

Excellent project management experience.

Experience with all phases of application development.

Experience with one or more scripting languages.

Strong experience with Oracle Fusion Middleware/Oracle WebLogic.

Experience with Ansible.

Strong working knowledge of WebSphere Application Server.

Strong working knowledge of Apache TomCat, Apache HTTP Server, and WildFly.

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 USPS security 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.WORKING CONDITIONS:The work is typically performed in an office environment and at client site locations, which requires proper safety precautions; work may require some physical effort in the handling of light materials, boxes or equipment.Must provide the above service to customers 24 hours a day, 7 days a week. Work schedules will vary based upon the needs of the PostaI Service. Candidates may be sought to support different shifts to enable 24x7 support. Candidates will be required to carry a pager and be on call. This individual will be expected to work independently or semi-independently with a minimum of guidance or direction. Travel may be required.The above job description is not intended to be, nor should it be construed as, exhaustive of all responsibilities, skills, efforts, or working conditions associated with this job.Requests for reasonable accommodations will be considered to enable individuals with disabilities to perform the principal (essential) functions of this job.#OpportunityOwned#GDITCareers#GDITLife#WeareGDITWe are GDIT. The people supporting some of the most complex government, defense, and intelligence projects across the country. We deliver. Bringing the expertise needed to understand and advance critical missions. We transform. Shifting the ways clients invest in, integrate, and innovate technology solutions. We ensure today is safe and tomorrow is smarter. We are there. On the ground, beside our clients, in the lab, and everywhere in between. Offering the technology transformations, strategy, and mission services needed to get the job done.GDIT is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class.