Lead system administration for Linux and Windows-based systems in secure, mission-critical environments.
Architect and manage complex server, storage, and virtualization infrastructure (VMware, KVM).
Perform OS installation, configuration, hardening, and patching in compliance with DoD STIGs and agency policies.
Monitor and tune system performance, conduct root cause analysis, and resolve complex issues quickly and efficiently.
Support backup/recovery strategies, disaster recovery plans, and continuity of operations.
Oversee and maintain automation scripts and infrastructure as code (Ansible, PowerShell, Bash, etc.).
Maintain system documentation, configuration baselines, and support CM and RM activities.
Lead and support deployment of system enhancements and modernization initiatives for Chinook program.
Collaborate with cybersecurity, network engineering, and software development teams to ensure system compliance and performance.
Participate in security audits, incident response, and operational readiness activities.
Provide Tier 2/3 help desk support, including troubleshooting complex user issues, resolving escalated tickets, and collaborating with the service desk to minimize downtime.

US citizenship is required per contract.
Bachelor’s degree in Computer Science, Engineering, Information Technology, or related discipline and 8-12 years of prior relevant experience or Master’s with 6-10 years of prior relevant experience.
Active Top Secret to be considered with the ability to obtain TS/SCI with Polygraph.
DoD 8570 IAT Level II or III certification (e.g., Security+ CE, CASP+, CISSP).
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.

Senior Systems Administrator

Key skills