Principal Information Systems Engineer - Onsite El Selgundo CA

Date Posted:

2026-01-27

Country:

United States of America

Location:

US-CA-EL SEGUNDO-E01 ~ 2000 E El Segundo Blvd ~ BLDG E01

Position Role Type:

Onsite

U.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 clearance​

Security Clearance Type:

DoD Clearance: Top Secret

Security Clearance Status:

Active and existing security clearance required on day 1

Test Solutions Engineering includes all of the engineering disciplines responsible for systems design & test with all Raytheon products. Our engineers are responsible for all elements of the development lifecycle for test including test requirements, test system design, flight simulations, hardware-in-the-loop, computer-in-the-loop, advanced engineering prototyping technology, flight operations for manned and unmanned vehicles, environmental testing, environmental characterization and engineering laboratory management.  We are hands-on, designing with the latest technology and tools, and integrate state of the art test solutions with the most advanced engineering systems in the world.

As part of the Test Environment Support Administration (TESA) team, you be working with both leading-edge technologies and legacy systems to support multiple products and programs throughout Raytheon. You will provide Test Equipment (TE) integration, security consultation, troubleshooting, sustainment, and compliance with the ultimate responsibility to maintain test integrity and the availability for our test systems.

What You Will Do

• Providing Cybersecurity compliance guidance to engineering for production and procurement of TE

• Supporting Flight Test capabilities and processes for Raytheon test systems

• Developing 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 to 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 any and all reviews required prior for implementation of any changes to the TE.

This position is 100% onsite in El Segundo, CA.

Qualifications You Must Have

• Bachelor’s Degree in Science, Technology, Engineering, or Mathematics (STEM)

• Minimum eight (8) years experience with systems administration of Linux, Networking, and or Windows (in desktop or server environments).

• Experience with user account management, software installation and or technical customer support.

• DoD 8570.01m IAT II certified credentials (Sec+, CISM, etc.)

• U.S. Citizen with current DoD Government issued security clearance (Secret or Top Secret)

Qualifications We Prefer

• Masters degree in Electrical & Computer Engineering

• Experience working as a System Engineer with an understanding of managing Operational Technology and/or test systems in a production environment

• Experience working in a classified environments to include Special Access Programs

• Experience with quickly returning systems to operational status

• Customer service and training skills, including oral and technical written communications, and independent problem-solving ability of hardware/software issues

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 relocation.

Learn More & Apply Now!

Please consider the following role type definitions as you apply for this role:

Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.

Clearance Information: This position requires a security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the