Senior Systems Administrator

Sr. Systems AdministratorAt RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world's most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.Raytheon brings 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. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.This Sr. Systems Administrator is based in Tewksbury, MA and is 100% on site.What You Will Do:Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux environment.Understanding and knowledge of Windows Server internals or Linux fundamentals to include DNS, DHCP, AD, and server replication methods.Work as a team member in a fast-paced technological environment.Work with Cybersecurity professionals to maintain security requirements.Provide documentation 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 a reasonable amount of timeSystems are operational 24x7 and occasionally require work effort beyond standard work hours.Full time 100% onsite positioned in Tewksbury MAStart date will not be set until Interim clearance is obtainQualifications You Must Have:Typically requires a bachelor degree and minimum 2 years of prior relevant experienceMust be able to obtain a secret clearance is required prior to start. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. Start date will not be set until Interim clearance is obtainExperience administering and securing Windows and RHEL serversExperience with VMware virtualizationExperience with securing system configurations, system hardeningExperience scriptingQualifications We Prefer:Experience serving as a technical SME or primary point of contact for patching, vulnerability remediation, or compliance initiatives.Hands-on experience with MECM/SCCM, PXE boot services, OS imaging, and automated software deployment frameworks.Familiarity with NetApp storage and/or HPC environments.Experience with enterprise Windows services, including Active Directory, Group Policy, and identity integration.Familiarity with cybersecurity and compliance tooling, such as ACAS, SCAP, Splunk, STIG Viewer, and audit support processes.What We Offer:Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation. Relocation assistance is available. Relocation assistance available, provided final candidate meets eligibility requirements