> Markdown version of [/jobs/ext/1803397-system-administrator-level-4](https://www.wearedevelopers.com/jobs/ext/1803397-system-administrator-level-4). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # System Administrator, Level 4 - **Company:** Independent Software - **Location:** Fort Meade, MD, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Configuration Management, System Configuration, Linux, Monitoring of Systems, HP Thin Clients, IT Management, Software Vulnerability Management, Information Technology, Vulnerability Analysis - **Published:** July 7, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9014365/system-administrator-level-4 ## About the Role * Strong experience with Linux and Windows system administration * Advanced troubleshooting across enterprise IT environments * Experience with IT Service Management (ITSM) processes * Knowledge of networking, storage, and system security practices * Familiarity with patching, vulnerability management, and compliance requirements * Ability to work independently in a fast-paced, classified environment Education and Experience: * Bachelor's degree in a technical field or equivalent experience * 20+ years of System Administrator experience on similar programs * 8+ years supporting IT Service Management (ITSM) Certifications: * Active DoD 8570 / 8140 IAT Level III certification (required to start) * ITIL v4 Certification * OS Certification Clearance Requirement: * Must possess an active TS SCI with appropriate Polygraph to be considered for this role ## Description As a System Administrator Level 4 at Independent Software, you will support mission-critical IT systems in highly secure, high-availability environments. You will work across Linux and Windows platforms to ensure systems are secure, stable, and operating at peak performance. In this role, you will lead troubleshooting efforts, support Desktop Services operations, and manage system configurations across enterprise infrastructure. You will collaborate with engineers, ISSOs, and program leadership to maintain compliance, resolve complex issues, and ensure reliable system operations in classified environments., * Provide Tier 1, Tier 2, and Tier 3 support for system issues across client, server, storage, and network environments * Configure, manage, and maintain Linux and Windows operating systems * Monitor system performance, troubleshoot issues, and implement solutions to improve reliability * Perform account management and support user access to IT systems * Apply patches, conduct vulnerability scans, and support system security compliance * Support configuration management and system changes in coordination with ISSO and leadership * Analyze and resolve complex technical issues across infrastructure and applications * Support Desktop Services environments, including VDI and thin client technologies * Communicate system status and provide updates to stakeholders ## Related Videos - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Your Manager Doesn’t Come with a User Manual (But You Can Totally Write One)](https://www.wearedevelopers.com/videos/1495-your-manager-doesn-t-come-with-a-user-manual-but-you-can-totally-write-one) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Hacking MSSQL on Cloud. All of them. How I became sysadmin on Azure, AWS, GCP and Alibaba.](https://www.wearedevelopers.com/videos/100339-hacking-mssql-on-cloud-all-of-them-how-i-became-sysadmin-on-azure-aws-gcp-and-alibaba) - [Engineering/Manager Pendulum: Generating compound interest on your career](https://www.wearedevelopers.com/videos/100348-engineering-manager-pendulum-generating-compound-interest-on-your-career) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) ## Related Articles - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [IT Salaries in UK](https://www.wearedevelopers.com/magazine/288-it-salaries-in-uk)