via Himalayas
$55K - 85K a year
Manage and maintain IT infrastructure ensuring reliability, performance, and security across systems while delivering responsive customer support.
Requires 4+ years systems administration experience with Windows, Linux, VMware, scripting skills, and knowledge of system monitoring and patch management.
MANTECH seeks a motivated, career and customer-oriented Journeyman Systems Administrator to join their CASTLE-NET program team. The role involves managing and maintaining the IT infrastructure, ensuring reliability, performance, and security across various systems, and delivering world-class IT services and responsive customer support. Requirements • Bachelor's degree (or equivalent work experience) in Information Technology, Computer Science, or a related field • 4+ years of experience in systems administration for Windows, Linux, or VMware environments • Possesses excellent knowledge of relevant operating systems (e.g., Windows Server, Red Hat, CentOS) and virtualization technologies (e.g., VMware vSphere, ESXi) • Proficient in scripting languages (e.g., PowerShell, Bash, Python) and experienced with system monitoring, patch management, and performance tuning Benefits • Health Insurance • Life Insurance • Paid Time Off • Holiday Pay • short-term and long-term Disability • Retirement and Savings • Learning and Development opportunities • wellness programs • other optional benefit elections
This job posting was last updated on 4/27/2026