> Markdown version of [/jobs/ext/1364288-senior-systems-administrator-infrastructure-engineer-ts-clearance](https://www.wearedevelopers.com/jobs/ext/1364288-senior-systems-administrator-infrastructure-engineer-ts-clearance). 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). --- # Senior Systems Administrator / Infrastructure Engineer - TS Clearance - **Company:** Eighty20 Collective, LLC - **Location:** Chantilly, VA, United States - **Experience:** Expert - **Salary:** $125,000.0 - **Contract:** Permanent contract - **Skills:** Multitier Architecture, Active Directory, Agile Methodology, Amazon Web Services, Microsoft Azure, Backup Devices, Bash Shell, CentOS, Cloud Computing, Configuration Management, Cyber Security, Dynamic Host Configuration Protocol, Linux, Disaster Recovery, Domain Name System (DNS), Geospatial Intelligence, Identity and Access Management, Python (Programming Language), Kernel-Based Virtual Machine, Windows Servers, Public Key Infrastructure, Windows PowerShell, Red Hat Enterprise Linux, Ansible, Software Engineering, Trusted Systems, VMware Infrastructure, Virtualization Technology, SSL Certificate Management, DevOps Tools - Open-source, Software Troubleshooting, HybridCloud, Infrastructure as Code (IaC), Git, Kubernetes, Data Management, Devsecops, Docker, Jenkins, Vmware - **Published:** July 21, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=46e5dfeb4ae5a99b ## About the Role * Bachelor's degree with 8-12 years of relevant experience, or Master's degree with 6-10 years * DoD 8570 IAT Level II or III certification (Security+, CASP+, CISSP, or equivalent) * Experience with: * Linux and Windows Server administration * VMware and KVM virtualization * AWS GovCloud, Azure Government, or hybrid cloud * Ansible, PowerShell, Bash, or Python automation * STIG implementation, ACAS remediation, and RMF compliance * Enterprise networking, storage, identity management, and authentication * Troubleshooting enterprise infrastructure and user support issues * Excellent written and verbal communication skills * Experience supporting DoD or Intelligence Community environments Preferred Qualifications * GEOINT or geospatial mission experience * DevSecOps tools (Git, Jenkins, Docker, Kubernetes) * Active Directory, DNS, DHCP, PKI, and certificate management * Enterprise backup and recovery solutions * Infrastructure as Code (IaC) and configuration management * Agile software development experience, * AWS: 3 years (Required) * System administration: 7 years (Required) License/Certification: * CompTIA Security+ (Required) ## Description * Active Top Secret/SCI clearance with the ability to obtain and maintain a CI Polygraph * U.S. Citizenship * Ability to work one of the following shifts: * Morning shift starting 6:00 AM ET * Evening shift ending 10:00 PM ET About the Role Support secure, mission-critical environments that enable software development teams and mission users supporting national security. You'll troubleshoot complex technical issues, modernize infrastructure, automate repetitive tasks, and ensure reliable operations across classified environments. What You'll Do * Administer and maintain Linux (RHEL/CentOS) and Windows Server environments * Provide Tier II/III help desk and systems administration support * Deploy, patch, harden, and secure systems using DoD STIGs * Manage VMware and KVM virtual infrastructure * Support AWS GovCloud, Azure Government, or hybrid cloud environments * Automate administration using Ansible, PowerShell, Bash, or Python * Monitor system health, troubleshoot issues, and perform root cause analysis * Support backups, disaster recovery, and enterprise storage * Collaborate with software, DevSecOps, cybersecurity, cloud, and network engineers * Participate in system upgrades, security remediation, and modernization efforts ## Related Videos - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) - [Docker build without Docker](https://www.wearedevelopers.com/videos/100114-docker-build-without-docker) ## Related Articles - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Best US AI Conferences for CTOs in 2026: Build vs. Buy, Vendor Evaluation, and Peer Intelligence](https://www.wearedevelopers.com/magazine/736-best-us-ai-conferences-for-ctos-in-2026-build-vs-buy-vendor-evaluation-and-peer-intelligence) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing)