Secure Systems Engineer 1 (Onsite)

About this role

Date Posted: 2026-08-18

 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: Active and transferable U.S. government issued security clearance is required prior to start date.​ 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 on day 1

Are you ready to explore the world of aerospace and defense? Do you want to learn from and collaborate with some of the greatest minds in the industry? At RTX, our internships, co-ops and full-time careers provide an exceptional foundation to work on complex problems, advance your skills and create a safer, more connected world. Discover opportunities to make a difference at RTX.

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 Embedded Product Cybersecurity Engineering team needs an additional entry level Secure Systems Engineer. The Cybersecurity Engineering team is a shared services team that supports the development of products throughout the Avionics Strategic Business Unit wherever the customer has security requirements, or the system is exposed to cyber threats by it’s 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). 

Supporting this Cyber Security Engineering team’s mission involves: developing threat models and information flow architectures to ensure data can be properly isolated in motion and while at rest, implementing mandatory access controls (MAC) through the development of Security Enhanced Linux (SELinux) policies, developing and executing fuzzing and penetration tests to evaluate the robustness of the exposed attack surface, reviewing code to identify weaknesses in the implementation of security functions, and conducting vulnerabilities assessments of proposed and in-service systems.

You know who you are. You're an ethical hacker who operates outside the confines of 'shall' statements. You break things to fix them, and you possess the backbone to champion true security over an arbitrary KPI.

What You Will Do: • You will be developing and executing fuzzing and robustness tests to evaluate a products attack surface.  • You will be conducting vulnerability assessments of proposed and in-service systems  • Embedding with development teams to address product security concerns. • You will develop threat model/data flow diagrams to ensure data can be properly isolated in motion and at rest. • You will be assisting with implementing mandatory access controls (MAC) through the development of SELinux policies. • You will be assisting with creation of security documentation to support Airworthiness Certification.  

Qualifications You Must Have: • Bachelor’s degree in Cyber Engineering, Computer Engineering or related Science, Technology, Engineering or Mathematics (STEM) major obtained by start date. • Experience with one or more of the following: C++, Python.

*Experience may be obtained through on-the-job experience, research, coursework, or projects.*

Qualifications We Prefer: • Experience with Linux OS.

What We Offer: • Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Trust, Respect, Accountability, Collaboration, and Innovation. • Relocation Eligibility

Learn More & Apply Now!

Please consider the following role type definition 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.

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 57,200 USD - 108,800 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 t

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