Senior Systems Administrator

Responsibilities

• Provide IT systems administration support in a heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment.
• Apply foundational experience of Windows Server or Linux systems, including core services such as DNS, DHCP, and Active Directory.
• Use established troubleshooting techniques to resolve moderate to complex technical issues involving operating systems, hardware integration, and enterprise services.
• Support data storage and backup operations, including RAID concepts and backup/restore technologies.
• Install, configure, and support software applications requested by end users.
• Partner with Cybersecurity teams to maintain system security requirements and assist with documentation and training.
• Maintain availability for systems operating 24x7, which may require occasional work outside standard business hours.

Requirements

• University degree or equivalent experience and a minimum of 2 years of prior relevant experience.
• Active and transferable U.S. government issued Secret security clearance required prior to start date.
• U.S. citizenship is required.
• Experience working with Windows and/or Linux operating systems.
• Experience with one or more technologies: Active Directory, WSUS, VMware, MECM, Exchange, or enterprise backup/recovery tools.
• Ability to obtain DoD 8140 / 8570 certification (CompTIA Security+ CE or equivalent) within 6 months of start.

Preferred Qualifications

• DoD 8140 / 8570 certifications, including OS-specific certifications.
• Experience supporting compliance activities such as NISPOM, JAFAN, JSIG, DFARS, or DoD/RMF.
• Experience with data storage technologies, including NAS and SAN solutions.
• Proficiency with VMware products such as vCenter, vSphere, and ESXi.
• Scripting experience using PowerShell, Bash, or similar languages.
• Exposure to High Performance Computing (HPC) environments.

Benefits

• Medical, dental, and vision insurance.
• Life insurance and disability coverage.
• 401(k) with company match.
• Flexible spending accounts and employee assistance programs.
• Paid time off, holidays, and parental leave.

About the Company

RTX is a leading aerospace and defense company that provides advanced systems and services for commercial, military, and government customers worldwide. Comprising Collins Aerospace, Pratt & Whitney, and Raytheon, RTX employs approximately 185,000 people dedicated to solving the world's most complex problems in fields like quantum physics, hypersonics, and cybersecurity.