Linux Administrator - 304824

Minimum of 3 years relevant Linux Application Administration experience. CompTIA Security+ or equivalent certification. Active DoD Top Secret Clearance.

Provide application support for Commercial off the Shelf (COTS) and Government off the Shelf (GOTS) software on Linux Server. Administer user accounts and control system/network functions. Support code deployments and updates. Provide technical support and troubleshooting. Participate in on-call rotation for after-hours and weekend support. Attend meetings with Government Personnel, DBA, and Development personnel. Write and submit change requests for the application environment. Coordinate with other technical teams for maintenance plans. Perform COTS and GOTS software installations. Perform application deployment functions. Debug software deployments and resolve installation problems. Determine host system requirements for application installation and operation. Map requirements to application topology. Select suitable application editions and install options. Provide application administration services. Maintain GOTS software revisions and distributions. Provide application support for implementation activities. Plan, perform, and implement installations and upgrades. Implement/sustain middleware application components. Provide application support for maintenance activities. Improve performance with available tools. Check applications for problems and review operations. Optimize application software functionality. Diagnose and recover failed applications. Maintain application integrity, performance, and availability. 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. Provide application support for web administration in a Windows Server environment. Install, configure, manage, and troubleshoot web applications. Provide application support for troubleshooting activities, including problem identification, gathering details, eliminating variables, reproducing problems, and developing root cause hypotheses. Provide application support for repair activities. Document repairs made. Back out coding and patching changes. Apply patches/code fixes. Assist supporting systems administrators, database administrators, and developers with errors/issues. Provide support for application security administration. Apply Security Technical Implementation Guides (STIG) guidelines to applications. Develop procedures for responding to new threats to systems. Ensure rigorous application of information security policies. Streamline security using managed accounts. Control access with permissions and roles. Provide support for application restoration planning and execution. Lead or participate in troubleshooting initiatives to determine incident root causes. Develop system operations work-arounds, if needed. Develop operations restoration plans. Implement or execute system operations restoration plans, solutions, or work-arounds. Ensure system operational restoration plans include step-by-step details to restore the system to full operational capability.