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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Linux Administrator - 304821 - **Company:** Delaware Nation Industries - **Location:** Boyers, PA, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Component-Based Software Engineering, Macintosh Application Environment, Software Applications, Application Services, CompTIA Security+, Cyber Security, Information Systems, Databases, Custom Software, Software Debugging, Linux, Middleware, Windows Servers, Software Deployment, Web Applications, Web Administration, Software Security, Performance Monitor, User Accounts - **Published:** August 2, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=d06f17b339388894 ## About the Role * Minimum of 3 years relevant Linux Application Administration experience. * CompTIA Security+ or equivalent certification * Active DoD Top Secret Clearance ## Description * 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 ## Related Videos - [Kubernetes and Microservices with Multi-Model Databases](https://www.wearedevelopers.com/videos/382-kubernetes-and-microservices-with-multi-model-databases) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Developer’s Perspective: Overview of the Tezos Blockchain Ecosystem](https://www.wearedevelopers.com/videos/237-developer-s-perspective-overview-of-the-tezos-blockchain-ecosystem) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Discover the open source trio you didn’t expect: .NET and PostgreSQL on Linux](https://www.wearedevelopers.com/videos/2042-discover-the-open-source-trio-you-didn-t-expect-net-and-postgresql-on-linux) - [Fault Tolerance and Consistency at Scale: Harnessing the Power of Distributed SQL Databases](https://www.wearedevelopers.com/videos/1146-fault-tolerance-and-consistency-at-scale-harnessing-the-power-of-distributed-sql-databases) ## Related Articles - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Dev Digest 172: CODE100 is back, Linux Containers & PHP in Node!](https://www.wearedevelopers.com/magazine/597-dev-digest-172-code100-is-back-linux-containers-php-in-node) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Dev Digest 191: Malware interviews, EU ❤️ Open Source and Skilled Agents](https://www.wearedevelopers.com/magazine/645-dev-digest-191-malware-interviews-eu-open-source-and-skilled-agents) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing)