DNI (Delaware Nation Industries)

Junior Linux Administrator

DNI (Delaware Nation Industries)

full-time

Posted on:

Origin:  • 🇺🇸 United States

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Job Level

Junior

Tech Stack

Linux

About the role

  • 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 This position is a temporary role from September 2025 to July 2026

Requirements

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