Linux Administrator

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 Requirements Minimum of 3 years relevant Linux Application Administration experience. CompTIA Security+ or equivalent certification Active DoD Top Secret Clearance Benefits Benefits Include: Covers 100% of employee benefit premiums, including Medical (PPO or HDHP Option), Vision, Dental Matching 401K Short- and Long-Term Disability Pet Insurance Professional Development/Education Reimbursement Parking and Transit Benefits for NY, NJ, ATL, and DC Metro areas Other Duties: Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities and activities may change at any time with or without notice. Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans Delaware Nation Industries