Sr. Systems Administrator
On-siteGaithersburg, Maryland, United States
Job Summary
Lead system administration for Linux and Windows-based systems in secure, mission-critical environments, diagnosing hardware, software, and end-user technical issues while managing support tickets. Architect and manage complex server, storage, and virtualization infrastructure (VMware, KVM), performing OS installation, configuration, hardening, and patching in compliance with DoD STIGs. Monitor system performance, conduct root cause analysis, and oversee backup/recovery strategies and disaster recovery plans. Maintain automation scripts and infrastructure as code, then lead deployment of system enhancements for the Chinook program. Collaborate with cybersecurity and network engineering teams to ensure compliance and participate in security audits and incident response. Requires US citizenship, TS/SCI clearance, and 8-12 years of experience supporting classified environments.
Required Qualifications
- US citizenship
- ACTIVE TS/SCI clearance
- Bachelor's degree in Computer Science, Engineering, Information Technology, or related discipline and 8-12 years of prior relevant experience
- Master's with 6-10 years of prior relevant experience
- DoD 8570 IAT Level II or III certification
- Experience with cloud platforms (AWS GovCloud, Azure Government) and hybrid cloud environments
- Experience with Linux (Red Hat Enterprise Linux or CentOS) and Windows Server platform system administration
- Proficiency with virtualization platforms (VMware, KVM) and management tools
- Experience with automation and scripting (Ansible, Bash, PowerShell, Python)
- Familiarity with STIG compliance, system hardening, ACAS scans, and RMF processes
- Strong understanding of enterprise networking, identity/access management, and storage concepts
- Proven ability to troubleshoot, document, and lead systems-related projects independently
- Experience supporting IC or DoD classified environments
Desired Qualifications
- Experience supporting our customer or GEOINT missions
- Familiarity with DevOps tools and pipelines (Git, Jenkins, Docker, etc.)
- Knowledge of enterprise backup solutions, DNS, DHCP, Active Directory, and PKI
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