Senior Information Systems Engineer - Onsite El Segundo, CA
Listed on 2026-09-09
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IT/Tech
Cybersecurity, Systems Engineer, Systems Administrator
Date Posted:
Country:
United States of AmericaLocation:
US-CA-EL SEGUNDO-E01 ~ 2000 E El Segundo Blvd ~ BLDG E01Position Role Type:
OnsiteU.S. Citizen, U.S. Person, or Immigration Status Requirements:
Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearanceSecurity Clearance Type:
DoD Clearance:Secret
Security Clearance Status:
Active and existing security clearance required on day 1At 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.
What You Will Do
Provide Cybersecurity compliance guidance to engineering for production and procurement of Test Equipment (TE)
Support Flight Test capabilities and processes for Raytheon test systems
Develop Cybersecurity Compliant TE (Linux, IOS, Windows)
Install software packages/updates to enhance operations and testing of production hardware
Troubleshoot production and development TE to ensure connectivity, functionality, compliance, and test integrity
Collaborate with Digital Technologies to integrate TE into controlled networks or enterprises
Collaborate with Cybersecurity to ensure TE compliance (using tools such as Nessus, Splunk, Ivanti, and locally procured software
Collaborate with engineering to ensure changes do not affect the availability or test integrity on the TE
Support all reviews required prior for implementation of any changes to the TE
This position is 100% ONSITE in El Segundo, California
Qualifications You Must Have
Bachelor’s Degree in Science, Technology, Engineering, or Mathematics (STEM)
Minimum of five (5) years of relevant experience OR an advanced degree in STEM and a minimum of 3 years relevant experience
Minimum 3 years of Linux systems administration experience
Networking fundamentals such as TCP/IP, DNS, DHCP, routing, and/or firewalls such as iptables/firewalld
Package management such as yum/dnf, apt and/or repository management
Experience with user account management, software installation and or technical customer support
U.S. Citizen with current DoD Government issued Secret security clearance day one
Qualifications We Prefer
Certifications: DoD 8570.01M IAT II certified credentials (Security+, CISM, etc.), or ability to obtain within 6 months of start
Systems Engineering
Experience:
Systems Engineer managing Operational Technology (OT) experience and/or test systems in a production environmentOS & Systems Administration: Experience with Windows and Linux (desktop and server), including networking administration and user/permissions management such as AD integration, sudo, SELinux/App Armor basics
Security & Hardening Practices: Experience with backup/recovery procedures, baseline hardening such as CIS benchmarks, STIGs, and vulnerability scanning tools such as Nessus, OpenSCAP
Automation/Configuration Management: Experience with configuration management tools (e.g., Ansible), including writing and maintaining playbooks for patch management and routine configuration
Troubleshooting & Communication: Troubleshooting skills across Windows/Linux systems, customer service orientation, and oral/written technical communication with independent problem-solving ability
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.
This position offers…
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