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

Date Posted: 2026-08-05 Country: United States of America Location: US-IA-CEDAR RAPIDS-107 ~ 400 Collins Rd NE ~ BLDG 107 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: Active and existing security clearance required after day 1 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. 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 Qualifications You Must Have: 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 What We Offer: Some of our competitive benefits package includes:     Medical, dental, and vision insurance   Three weeks of vacation for newly hired employees   Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option  Tuition reimbursement program  Student Loan Repayment Program   Life insurance and disability coverage   Optional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection  Birth, adoption, parental leave benefits  Ovia Health, fertility, and family planning   Adoption Assistance            Autism Benefit   Employee Assistance Plan, including up to 10 free counseling sessions   Healthy You Incentives, wellness rewards program  Doctor on Demand, virtual doctor visits   Bright Horizons, child and elder care services  Teladoc Medical Experts, second opinion program   And more!   Learn More & Apply Now! Collins Aerospace, an RTX company, is a leader in technologic