Senior Systems Administrator

Senior Systems Administrator | Venice, IL | Hybrid | $92,300.00 - $166,850.00 The employer is a leading technology and services provider for government and commercial clients, renowned for its focus on digital and mission innovations. They are recognized for outthinking, outbuilding, and outpacing the status quo to meet critical mission demands. This dynamic organization fosters a culture of disruption and a relentless pursuit of success. 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 and tune 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 • Bachelor’s degree in a relevant field with 8-12 years of experience, or equivalent combination of education and experience. • Active Top Secret clearance required, with the ability to obtain TS/SCI with Polygraph. • DoD 8570 IAT Level II or III certification. • Experience with Linux (RHEL/CentOS) and Windows Server administration. • Proficiency with virtualization platforms (VMware, KVM) and automation/scripting tools (Ansible, Bash, PowerShell). • Experience supporting classified IC or DoD environments. What's On Offer • Competitive salary range and comprehensive benefits package. • Opportunities to work with advanced technologies in mission-critical systems. • A culture that values innovation, disruption, and continuous improvement. • Potential for career growth and development within a leading industry organization. Apply via Haystack today!