Embedded Product Security System Engineer
RTX (Raytheon)
- Location
- US-IA-CEDAR RAPIDS-121 ~ 350 Collins Rd NE ~ BLDG 121
- Work model
- On-Site
- Level
- Mid
- Posted
- Sep 2, 2026
Skills
About this role
Location: US-IA-CEDAR RAPIDS-121 ~ 350 Collins Rd NE ~ BLDG 121

 Position Role Type: Onsite

 U.S. Citizen, U.S. Person, or Immigration Status Requirements: U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract.

 Security Clearance Type: None/Not Required

 Security Clearance Status: Not Required At 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. Collins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defense. Complex systems require world-class protection. We are seeking a driven System Security Engineer to join our Embedded Product Cybersecurity Engineering team and defend mission-critical platforms from evolving cyber threats. This shared services team supports the development of products throughout the company wherever the customer has security requirements, or the system is exposed to cyber threats by its connectivity or operational use. We develop tools and testing techniques to highlight residual defects in product design or implementation. These defects can lead to vulnerabilities that negatively impact the confidentiality, integrity, or availability of a system. Members of the security engineering team pursue security excellence by embedding with the design and implementation teams as subject matter experts supporting our Secure System Development Life Cycle (SSDLC). This is an on-site position located in Cedar Rapids, Iowa, an established hub for aerospace and systems engineering excellence.
Primary Responsibilities
Developing threat model / data flow diagrams to ensure data can be properly isolated in motion and at rest Implementing mandatory access controls (MAC) through the development of SELinux policies Reviewing code to identify weaknesses in the implementation of security functions Developing and executing fuzzing and penetration tests to evaluate the robustness of the attack surface Conducting vulnerability assessments of proposed and in-service systems Authoring and managing cybersecurity certification artifacts to ensure alignment with industry standards and customer requirements Basic Qualifications: Bachelor’s degree in a STEM field and 2 years of relevant experience OR Advanced degree in Cybersecurity OR In absence of a degree, 6 years of relevant experience is required Embedded software development experience in Linux OS environment Experience coding in C, C++, Python or Rust Networking experience - Layer 2/Layer 3/Layer 4 protocols Candidates for this position should be fluent in the software development domain and have a passion for Product Security, and understand the difference between enterprise cybersecurity and securing embedded systems with physical, real-world impacts Preferred Qualifications: Familiarity with Aviation cybersecurity standards: RTCA DO-326, DO-356, DO-355 Knowledge of Threat Models and Data Flow Diagrams Data/network security implementations with Linux OS Understanding tailoring and hardening of Linux OS Familiarity with system and application penetration testing Experience with SAST and analyzing security impact of code defects Executing System & Application Fuzzing