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Linux Application Administrator - 304824 at Delaware Nation Industries. DNI is a Prime Contractor providing Systems and Application Support for the DCSA (Defense Counterintelligence & Security Agency). These roles can be supported nationally. We are looking for a Linux Application Administrator to join the team. This is a salary-based position with matching 401k and full benefits.. Responsibilities:. . Provide application support for Commercial off the Shelf (COTS) and MP written software (GOTS) which runs on Linux Server in the BIES environment on a 24x7x365 basis.. . Access and control functions of the information system/network, administration of user accounts, etc.. . Provides support for code deployments and updates. . Provide technical support and troubleshooting.. . Participate in an on-call rotation for after hours and weekend support. Also includes rotation for code deployments during the Sunday Morning maintenance windows. . Attend meetings with DCSA Government Personnel, Database Administrator (DBA), and Development personnel as necessary to review scheduled releases and testing cycles.. . Write and submit change requests (CRs) as necessary to schedule changes to the application environment.. . Coordinate with other technical teams to ensure maintenance plans do not conflict with changes scheduled by other teams.. . Installation Support:. . COTS and GOTS software installations. . Application deployment functions. . Deployment of custom software as required. . Debugging software deployments. . Resolving installation problems. . Determining host system requirements for application installation and operation. . Mapping defined requirements to the application topology. . Selecting suitable application editions and installing options. . Resolving installation problems. . Providing application administration services. . Maintain GOTS software revisions and distributions. . j. Implementation Support. . Provide application support for implementation activities. . Plan, perform and implement installations and upgrades. . Implement/sustain middleware application components. . Maintenance Support:. . Provide application support for maintenance activities. . Improve performance with available tools. . Checking application for problems. . Reviewing operations to ensure only valid processes are running. . Optimize the functionality of application software. . Diagnose and recover failed applications. . Maintain application integrity, performance, and availability. . Monitoring Support:. . Provide application support for monitoring activities. . Monitor performance during core hours. . Take proactive measures to prevent service disruption. . Respond to afterhours calls for outages and major system degradations as defined by the. . Program Management Office (PMO).. . Web Administration Support:. . Provide application support for web administration activities in Windows Server environment. . Install, configure, manage troubleshoot web applications. . Troubleshooting Support. . Provide application support for troubleshooting activities. . Identify the problem. . Gather additional details. . Eliminate variables. . Reproduce the problem. . Development of hypothesis of root cause. . Repair Support:. . Provide application support for repair activities. . Repairing and documentation of repairs made for future use. . Back out coding and patching changes. . Apply patches/code fixes. . Assist supporting systems administrators, database, and developers with errors/issues. . Application Security Administration Support. . The contractor shall provide support for application security administration.. . Applying Security Technical Implementation Guides (STIG) guidelines to application. . Develop procedures for responding to new threats to systems to ensure confidentiality, integrity, and availability. . Ensure the rigorous application of information security/information assurance policies, principles, and practices in the delivery of application services. . Streamline security using managed accounts. . Control access with permissions and roles. . Restoration Support:. . The contractor shall provide support for application restoration planning and execution for emergency and routine restoration requests. . Lead or participate in individual or group troubleshooting initiatives to determine incident root causes. . Develop system operations work-arounds, if needed. . Develop operations restoration plans. . Implement or execute individually, or as a team member, the system operations restoration plan, solution or work-around. . System operational restoration plan shall include step by step details to be executed in numerical order that will restore the system to full operational capability. . Minimum of 5 years relevant Linux Application Administration experience.. . CompTIA Security+ or equivalent certification. . Active DoD Top Secret Clearance. . Company Location: United States.