Principal Linux Administrator

At Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. What You Will Do: Provide IT systems administration in a heterogeneous RedHat Enterprise / Microsoft Windows environment. Experience troubleshooting techniques to resolve technical problems of a moderate to high scope and complexity to include the integration of hardware and operating systems (OS). Work with Cybersecurity professionals to maintain security requirements and provide documentation on advanced IT processes and procedures and other tasks as assigned. Design, develop and deploy Red Hat Podman containers. Experience with Server, Windows Server internals or Linux fundamentals to include DNS, DHCP, AD, RAID, backup and server replication methods. Install and configure software applications requested by end users. Experience documenting and training on advanced IT processes and procedures and other tasks as assigned. Must be able to obtain Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification) within 6 months of start date. Systems are operational 24x7 and occasionally require work effort beyond standard work hours. Full time 100% Onsite position. Qualifications You Must Have: Typically requires a University degree or equivalent experience and a minimum of 5 years of prior relevant experience or an Advanced Degree in a related field and minimum 3 years experience. Active and transferable U.S. government issued Secret security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. Experience with some of, but not limited to, the following technologies: Red Hat Enterprise Server, Active Directory, WSUS, VMware, BackupExec, NetBackup, prior systems administration and networking administration experience, Windows or Linux administration, backup, and recovery enterprise suites. Experience with Server architecture and troubleshooting methods and be able to assist in developing solutions and documentation to a variety of technical problems. Experience using VMWare vCenter, vSphere, Linux Desktops, Windows desktops (Windows 10, 11), Splunk and ESX and/or other virtual computing methods. Qualifications We Prefer: Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification) and an Operating System Certification. Direct working experience with NISPOM, JAFAN, JSIG, DFARS and/or DoD/RMF. In-depth working experience in Linux Server. Experience with data storage, NAS, and SAN technologies and solutions. Experience supporting engineers in software, simulations, and hardware development. Experience with Microsoft WSUS, SCCM, and/or Exchange. High Performance Computing (HPC) experience in a Linux environment. Scripting Experience. What We Offer: Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Trust, Respect, Accountability, Collaboration, and Innovation. RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class.

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