Cybersecurity Engineer II - Onsite El Segundo, CA

Company: RTX
Location: El Segundo
Posted on: April 2, 2026

Job Description:

Date Posted: 2026-03-31 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: 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 Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date At Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression. We bring 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. Our team solves tough, meaningful problems that create a safer, more secure world. Hardware Engineering, Test Solutions, includes all engineering disciplines responsible for systems design & test with every Raytheon product. 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 the latest technology and tools, and integrating 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. This position is 100% ONSITE in El Segundo, CA What You Will Do Apply systems engineering principles within Operational Technology (OT), production, and test environments to ensure end-to-end system integration, verification, and validation, supporting the safe, reliable, and efficient operation of complex technical systems Design, develop, document, analyze, test, integrate, debug, conduct research, and/or discover and analyze security flaws or vulnerabilities in software, networks, systems, applications and/or provide mitigation strategies to support RMF (Risk Management Framework)/ATO (Authority To Operate) Ensure system security needs are established and maintained for various objects/matters Integrate new architectural features into existing infrastructures, designs cybersecurity architectural artifacts, provide architectural analysis of cyber security features and relates existing system to future needs and trends Evaluate computer software and network for threats and/or malware; collect data from a variety of network security tools, including intrusion detection system alerts, firewall and network traffic logs, and hosts system logs to analyze events that occur within their environment Employ and provide advanced forensic tools, technique, and intrusion support for attack reconstruction and high technology investigations, while reviewing threat data from various sources Provide Cybersecurity compliance guidance to engineering for production and procurement of TE Maintain accurate and up-to-date records of all equipment assets in accordance with iRAMP requirements to ensure proper accountability, configuration management, and cybersecurity risk tracking throughout each asset’s lifecycle 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 Create and Maintain backups of TE at the request of the customer 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 Collaborate with Operations to ensure changes coincide with production schedules Support any and all reviews required prior for implementation of any changes to the TE Qualifications You Must Have: Typically requires a Bachelor’s degree in science, Technology, Engineering, or Mathematics (STEM) and a minimum of two (2) years of relevant experience 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 Experience implementing, documenting and accrediting IT systems against NIST 800-171 controls to support US Government CUI standards Qualifications We Prefer Active DoD 8140/8570.01m IAT II certified credentials (Sec, CISM, etc.) 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 working with CUI and implementing controls in an unclassified environment Knowledge of NISPOM (32 CFR 117), JSIG, RMF (NIST 800-37/-53), ICD-503, and DAAPM, oversight/execution of A&A processes Experience executing DISA STIG/SRG hardening across Linux and Windows environments Experience with ACAS, SCAP, STIG Viewer, DISA SRGs, and/or SIEM/Vulnerability Tools SPLUNK, NESSUS etc. Experience with iRAMP (Investigation of Risk Assessment and Management) 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 is eligible for 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. This position requires a security clearance. The Defense Industrial Security Clearance Office (DISCO), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here: https://www.statees/c10978.htm At Raytheon in El Segundo, you will be surrounded by some of the world’s most technologically advanced platforms and a contagious drive for excellence that motivates everyone to be innovative, unique, and deliver cutting edge technology to support the warfighter. https://careers.rtx.com/global/en/raytheon-el-segundo-ca-location As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote. The salary range for this role is 75,800 USD - 144,200 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills. Hired applicants may be eligible for benefits, including but not limited to, 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, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement. Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance. This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply. RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window. RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act. Privacy Policy and Terms: Click on this link to read the Policy and Terms

Keywords: RTX, Cypress , Cybersecurity Engineer II - Onsite El Segundo, CA, IT / Software / Systems , El Segundo, California