Linux Application Administrator - 304833
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
Average salary estimate
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