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# Embedded Product Secure Systems Engineer II (Onsite - Cedar Rapids, IA)

- **Company:** RTX
- **Location:** Cedar Rapids, IA, United States (Remote available)
- **Experience:** Experienced
- **Salary:** $68,900.0 - $131,100.0
- **Contract:** Permanent contract
- **Skills:** C (Programming Language), Software System Penetration Testing, C++ (Programming Language), Cyber Security, Linux, Embedded Software, Fuzz Testing, Python (Programming Language), Network Security, Network Layer, Transport Layer, Software Engineering, Trusted Systems, Software Security, Selinux, Static Application Security Testing, Vulnerability Analysis
- **Published:** September 3, 2026
- **Apply:** https://www.techcareers.com/job.asp?id=3377303449&tx=FK6966FFJ&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54

## About the Role

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, 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 / Resiliency Tests

Knowledge of Public Key Infrastructure (PKI)

Industry recognized security certifications (Sec+, OSCP, CISSP, etc.) is desirable

The candidate is required to have excellent communications skills to communicate technical issues and status in both written and oral form. The candidate must be adaptable to change, determined to accomplish tasks based on program schedule, collaborate with teammates in order to learn and make good decisions, enjoy learning new technologies, and contribute to a positive work environment.

Please ensure the role type defined below is appropriate for your needs before applying to this role. This position is classified as:

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.

Hybrid: Employees who are working in Hybrid roles will work regularly both onsite and offsite. Ratio of time working onsite will be determined in partnership with your leader.

Remote: Employees who are working in Remote roles will work primarily offsite (from home). If you live within a reasonable commute of an RTX site with other colleagues you interact with, your manager will discuss whether there is a degree of onsite presence associated with this role.

Candidates will learn more about role type and current site status throughout the recruiting process. For onsite and hybrid roles, commuting to and from the assigned site is the employee's personal responsibility.

Requires theoretical to advanced knowledge of work area typically obtained through University Degree combined with experience. Practical knowledge of RTX projects, programs

or systems with the ability to make enhancements and leverage in daily work.

Typically requires a University Degree or equivalent experience and minimum 2 years of prior relevant experience.

Engineering/Other Technical Positions:Typically requires a degree in Science, Technology, Engineering or Mathematics(STEM) and a minimum of 2 years of prior relevant experience unless prohibited by local laws/regulations.

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.

## Description

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