RTX · 2 hours ago
Sr. Linux System Administrator
US-CA-EL SEGUNDO-E04 ~ 2006 E El Segundo Blvd ~ BLDG E04
Full-time
Onsite
Mid, Senior Level
2+ years expRTX is a leading company dedicated to helping defend freedoms and deter aggression with over 100 years of engineering expertise. They are seeking a Senior Linux System Administrator to provide IT systems administration in a mixed Microsoft Windows and RedHat Enterprise Linux environment, while collaborating with cybersecurity professionals to maintain security requirements.
AerospaceManufacturingSecuritySensorTelecommunications
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Provide IT systems administration in a heterogeneous Microsoft Windows and RedHat Enterprise Linux environment
Experience with Windows Server internals or Linux fundamentals to include DNS, DHCP, AD, and server replication methods
Working as a team member in a fast-paced technological environment. Use troubleshooting techniques to resolve technical problems of 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
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
Travel required as business needs dictate to other US Domestic locations, up to 10% per year
Full time 100% Onsite position
Qualification
Required
Typically requires a University degree or equivalent experience and a minimum of 2 years of prior relevant experience, or an Advanced Degree in a related field
The ability to obtain and maintain a U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance
Linux systems administration experience
Preferred
VMware VSphere (ESXi, vCenter, etc)
Chef, Ansible, Puppet, CFEngine, etc
Cross-domain solutions
Hyperconverged infrastructure
Systems deployment, administration, performance tuning, and monitoring
Automation via scripting
Infrastructure as Code (IaC)
Storage – NetApp FAS8000
Network and infrastructure services such as domain controllers, global catalogs, DNS, and DHCP
Infrastructure backup, restore, disaster recovery and business continuity
Cloud computing (AWS, Azure)
CompTIA Security+ certification or other industry-recognized certifications relevant to a Windows System Administrator
BASH Scripting
ITIL Foundations and/or ITIL Service Operations
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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