Senior Systems Administrator

Senior Systems Administrator | South Roxana, IL, United States | Hybrid | $92,300.00 - $166,850.00 This employer is a leading technology-driven solutions provider for government and commercial customers. They are known for innovative digital and mission solutions, supporting national security and intelligence initiatives. The company fosters a culture of rapid advancement and challenges the status quo to meet critical mission demands. The Role • Lead system administration for Linux and Windows-based systems in secure, mission-critical environments. • Architect and manage complex server, storage, and virtualization infrastructure. • Perform OS installation, configuration, hardening, and patching in compliance with security standards. • Monitor system performance, conduct root cause analysis, and resolve complex issues. • Support backup/recovery strategies, disaster recovery plans, and continuity of operations. • Oversee and maintain automation scripts and infrastructure as code. What You'll Need • Active Top Secret clearance with the ability to obtain TS/SCI with Polygraph. • Bachelor’s degree in a relevant field with 8-12 years of experience, or equivalent experience in lieu of degree. • DoD 8570 IAT Level II or III certification. • Experience with Linux (RHEL/CentOS) and Windows Server administration. • Proficiency with virtualization platforms (VMware, KVM). • Experience with automation and scripting (Ansible, Bash, PowerShell, Python). What's On Offer • Competitive compensation and benefits package. • Opportunity to work on mission-critical projects supporting national security. • Collaborative environment with opportunities for professional growth. • Chance to be part of an innovative and forward-thinking organization. Apply via Haystack today!