Linux Administrator - 304830

Delaware Nation Industries•Marion Township, PA

1d•Remote

About The Position

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.

Requirements

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

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
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