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# Principal Embedded Systems Security Engineer (Onsite - Cedar Rapids, IA)

- **Company:** RTX
- **Location:** Cedar Rapids, IA, United States
- **Experience:** Expert
- **Salary:** $107,500.0 - $204,500.0
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Software System Penetration Testing, Systems Engineering, C++ (Programming Language), Static Program Analysis, Cyber Security, Embedded Software, Fuzz Testing, OSI Models, Information Systems Security Architecture Professional, Python (Programming Language), Network Security, Public Key Infrastructure, Systems Development Life Cycle, Secure Coding, Strategies of Testing, Computer Network Technologies, SC Clearance, Selinux, Cybercrime
- **Published:** November 6, 2026
- **Apply:** https://www.careerbuilder.com/job-details/principal-embedded-systems-security-engineer-onsite-cedar-rapids-ia-cedar-rapids-ia--3ae52eeb-2bd4-462d-9d1e-2395b5fd26c6

## About the Role

Embedded Systems, Computer Security, Systems Engineering, United States Citizen, Security Clearance, RTX, Aerospace and Defense, Research & Development (R&D), Testing, Secure Coding, 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, * Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 8 years prior relevant experience or an Advanced Degree in a related field and minimum 5 years of experience

 * U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.
 * Experience in product cybersecurity, embedded software engineering, or secure system design
 * Embedded software engineering knowledge (Python and Java/C/C++)
 * Experience analyzing systems and security architectures

Qualifications We Prefer:

 * Active Secret clearance
 * Reviewing system and application vulnerabilities, threat models, and providing mitigations
 * Hands-on experience with static analysis and analyzing security impact of code defects
 * Executing System & Application Fuzzing / Resiliency Tests
 * Analysis experience of SELinux policies for proper process isolation/separation
 * Data/network security implementations and understand hardening with Operating Systems
 * Experience with system and application penetration testing
 * Experience with Public Key Infrastructure (PKI)
 * Experience with Military RMF process ando RTCA DO-326A / DO-356A
 * Security certifications (Sec+, OSCP, CISSP, etc.)
 * Networking knowledge (OSI Layers, protocols, etc.)
 * Curiosity and desire to continuously learn security concepts; willingness to share your knowledge within the organization

## Description

The Product Cybersecurity team is recruiting a Principal Embedded Systems Security Engineer for leading all phases of the Secure System Development Life Cycle. Our team supports development of products throughout the company wherever customers have security requirements, or the system is exposed to cyber threats via connectivity or operational use. Our team works on many aspects of cybersecurity including security control trades, concept of operations, pursuits, requirements development, secure architecture and design, secure coding, security testing, certification support and in-service support within avionics. Candidates are expected to be fluent in the latest security technologies and trends while applying them to embedded systems. This role involves identifying cyber threats and associated risks to new and existing products, influencing architectural designs, ensuring proper security implementation during development, and focusing on testing strategies to verify mitigation of perceived
risks.

This role will be worked onsite in Cedar Rapids, IA. and will require an active or ability to obtain a SECRET clearance. Relocation assistance is available.

What You Will Do:

 * Be the security subject matter expert and lead for programs; work amongst system and software teams
 * Analyze systems to identify attack vectors and assess risks for new and existing products
 * Advising program leaders for inclusion of security technologies in strategic product roadmaps
 * Ensure proper implementation of security measures during product development
 * Develop, deploy and automate security tools and testing for identifying product security flaws
 * Characterize security vulnerability assessments and recommend mitigations for products
 * Guide adherence to military RMF processes and DO-326A/DO-356A Airworthiness Security process
 * Foster organizational adoption of the Avionics SSDLC
 * Evaluate & contribute to technical proposals and bids/pursuits
 * Mentor junior product security engineers advancing their skills and capabilities
 * Participate in cybersecurity focused industry committees and working groups