Senior Linux Systems Administrator

• Build and maintain information systems in compliance with JSIG/RMF security requirements, including hardware and software installation, network configuration, and troubleshooting
• Administer RedHat 7 and higher environments, perform preventative maintenance, and conduct monthly server patching
• Utilize vulnerability scanners like ACAS/Nessus and manage distributed file systems
• Maintain and organize the server room and data center, ensuring proper installation, tidy cabling, spare parts management, and inventory updates
• Document the existing environment, including server inventory, operating systems, connectivity diagrams, and create standard operating procedures for system administration tasks
• Mentor junior team members and provide leadership, while diagnosing and resolving performance issues related to CPU, memory, and disk
• Open support tickets with vendors for system component failures, coordinate downtime with application owners, and perform necessary replacements
• Provide day-to-day support for ticket requests, including DNS entries, filesystem storage increases, user account requests, and performance tuning
• Support the backup environment through software upgrades, daily log reviews, and failure resolution to ensure smooth operations

• RMF compliant with a Security+ certificate or obtain certification within first 6 months
• 5+ years of experience with RedHat-based systems (RHEL, Oracle Linux, Fedora) and SUSE distro 12 or greater (e.g., DataDomain, vProxy)
• 5+ years of experience in designing and implementing IT security systems, troubleshooting operating system and installation issues, and administering user system access to meet network security requirements
• 3+ years of experience with virtualization technologies, including VMware, and managing virtualized environments, as well as installing, configuring, and troubleshooting Linux-based systems and desktop operating systems.
• Experience with iLOs and applying RMF guidelines for compliance, along with using metrics to measure project performance for quality delivery
• Experience with Linux file structures
• Experience with developing PowerShell and Linux scripts for hardware integration, automating OS deployment and configuration, and creating and maintaining multiple virtual servers

Bachelor's degree or equivalent work or military experience

• health insurance
• flexible spending accounts
• health savings accounts
• retirement savings plans
• life and disability insurance programs
• paid and unpaid time away from work
• relocation based on candidate eligibility
• generous company match to your 401(k)
• industry-leading tuition assistance program pays your institution directly
• fertility, adoption, and surrogacy benefits
• up to $10,000 gift match when you support your favorite nonprofit organizations