Jr. System Administrator
Listed on 2026-02-07
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IT/Tech
Cybersecurity, Systems Administrator
Overview
Role:
System Administrator.
Location:
Tucson, AZ.
Work: 100% onsite. Travel up to 5% per year. Program supports classified information system capabilities.
U.S. Citizen or U.S. person with active and transferable U.S. government-issued security clearance is required prior to start date. Security Clearance Type:
Secret – Current. Security Clearance Status:
Active and existing clearance required on day 1.
Our Digital Technology (DT) organization enables Raytheon teammates to communicate, collaborate and innovate for customer success. We create leading-edge technology solutions to prevent security threats, secure the integrity of our systems and support IT infrastructures worldwide.
What You Will Do- Provide IT systems administration in a heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment.
- Understand Windows Server internals or Linux fundamentals including DNS, DHCP, AD, and server replication methods.
- Collaborate as a team member in a fast-paced environment; use troubleshooting techniques to resolve problems of moderate to high scope and complexity, including hardware/OS integration.
- Understand data RAID and data backup concepts; install and configure software applications requested by end users.
- Work with Cybersecurity professionals to maintain security requirements.
- Provide documentation and training on advanced IT processes and procedures and perform other tasks as assigned.
- Obtain Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent) within 6 months of start date.
- Systems are operational 24×7 and may require work beyond standard hours.
- Travel as needed to other US domestic locations, up to 5% per year.
- Full-time 100% onsite position.
- Bachelor’s degree or equivalent experience with less than 2 years of relevant experience.
- Active and maintain a U.S. government-issued Secret security clearance; U.S. citizenship required.
- Experience with Linux or Windows.
- Experience with Active Directory, VMware, administration, backups and recovery.
- DoDD 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent) and an Operating System Certification.
- Experience with NISPOM, JAFAN, JSIG, DFARS and/or DoD/RMF.
- Experience with data storage, NAS, and SAN technologies.
- Experience with IT project lifecycle management processes.
- Experience using VMware vCenter, vSphere, ESX and/or other virtualization methods.
- Experience supporting engineers in software, simulations, and hardware development.
- Experience with Microsoft WSUS, MECM, and/or Exchange.
- High Performance Computing (HPC) experience in a Linux environment.
- Scripting experience.
Our values drive our actions, behaviors and performance with a vision for a safer, more connected world. We value:
Safety, Trust, Respect, Accountability, Collaboration and Innovation. RTX offers competitive benefits including medical, dental, vision, life insurance, disability coverage, 401(k) match, and paid time off; benefit details vary by business unit and collective-bargaining status.
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