Senior Software Engineer

Description Job Description:Leidos is a FORTUNE 500 company bringing a mix of innovative technology and sector expertise to customers in the national security, engineering, and the health industries.We know once you join Leidos, you are sure to go home at the end of every day knowing YOU MADE A DIFFERENCE, resulting in one of the most REWARDING careers you could have imagined. The Defense Group at Leidos currently has an opening for a key position of Senior Software Engineer to work in our Bridgewater, VA or Morgantown, WV office. This is an exciting opportunity to use your experience in helping the GCCS-J warfighter accomplish their important mission. The Defense Information System Agency's mission is to maintain the current client-server environment while moving the system to a cloud-based architecture and modernize the system to comply with a Joint Staff Capability Development Documents.Responsibilities include, but are not limited to:

• Performs conceptual design, detailed design, code, and unit test of critical IT programs within a subsystem or system-of-systems.
• Supports integration testing of programs within a subsystem or system-of-systems
• Supports design and development of databases.
• Generated Interface Control Documents (ICDs), documenting the interfaces between programs.
• Supports the development of Acceptance Test Plan and Procedure documents.
• Requires knowledge of the principles, methods, and techniques used in software engineering and applications and systems development.
• Participates in all phases of software development and engineering, including system design, analysis, and modeling at a highly technical level.
• Performs software and information engineering, including full life cycle application systems design and development.
• Works from specifications to develop and modify operating software programming applications.
• Designs, codes, tests, debugs, and documents programs.
• Assists in the definition of limited design specifications and parameters.
• Resolves hardware and software compatibility and interface design considerations.
• Assists in the analysis of system architecture requirements, performs requirements acquisitions and definition and data analysis, and may customize purchased applications.
• Performs technical and subject matter research on emerging technologies to determine impacts on application executions.
• Performs system modeling.
• Writes, modifies, and maintains technical documentation and specifications such as user manuals, system documentation, and training materials.
• Performs integration testing and support of various computer operating and/or network systems.
• Troubleshoots and provides customer support for system engineering and software issues.
• May perform database analysis, design, implementation, and testing.

• Bachelor of Science Degree with a minimum of 8 years' experience
• Relevant experience in a Client Server and Cloud environment

• Must have and maintain a TS/SCI clearance.

• Experience working on any of the Global Command and Control System Family of Systems to include GCCS-A, GCCS-M or any other Command and Control program for any service component or COCOM.