RTX · 19 hours ago
Senior System Administrator
US-AZ-TUCSON-M05 ~ 1151 E Hermans Rd ~ BLDG M05 (External Site)
Full-time
Onsite
Mid, Senior Level
$69K/yr - $131K/yr
2+ years expRTX is a company dedicated to helping the nation and allies defend freedoms and deter aggression. They are seeking a Senior System Administrator to provide operational support for a high priority operational environment that supports a critical U.S. Government mission.
AerospaceManufacturingSecuritySensorTelecommunications
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Provide IT systems administration in a heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment
Experience with 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. Use troubleshooting techniques to resolve technical problems of a moderate to high scope and complexity to include the integration of hardware and operating systems (OS)
Experience with data RAID, data backup uses and technologies
Install and configure software applications requested by end users
Work with Cybersecurity professionals to maintain security requirements and 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 6 months of start date
Systems are operational 24x7 and occasionally require work effort beyond standard work hours
Qualification
Required
Typically requires a 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 is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance
Experience with Windows and/or Linux
Experience with some but not limited to, the following technologies: Active Directory, WSUS, VMware, Veeam, AWS, MySQL, Remote Desktop Gateway, and Netwrix, prior systems administration and networking administration experience, Windows or Linux administration, Windows administration, or Mac OS experience, backup, and recovery enterprise suites
Preferred
Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification and an Operating System Certification
Experience with NISPOM, JAFAN, JSIG, DFARS and/or DoD/RMF
Experience in Windows Server
Experience with Zero Clients
Experience with data storage, NAS, and SAN technologies and solutions
Experience with using Information Technology project lifecycle management processes
Experience using VMWare vCenter, vSphere, and ESX and/or other virtual computing methods
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
Benefits
Medical
Dental
Vision
Life insurance
Short-term disability
Long-term disability
401(k) match
Flexible spending accounts
Flexible work schedules
Employee assistance program
Employee Scholar Program
Parental leave
Paid time off
Holidays
Company
RTX
RTX is comprised of three market-leading businesses – Collins Aerospace, Pratt & Whitney and Raytheon – working as one to answer the biggest questions and solve the hardest problems in aerospace and defense.
10001+ employees
Funding
Current Stage
Public CompanyTotal Funding
$3.2MKey Investors
LIFT Ecosystem Accelerator
2024-02-22Grant· $0.2M
2019-06-09Acquired
2010-01-14Grant· $3M
Leadership Team
Daniel Conroy
Chief Technology Officer - Digital
Kevin DaSilva
Corporate Vice President & Treasurer
Recent News
bloomberglaw.com
2026-01-22
Business Insider
2026-01-09
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