Software Security Engineer 1 (Onsite)

Date Posted:

2026-11-06

Country:

United States of America

Location:

US-IA-CEDAR RAPIDS-137 ~ 855 35Th St NE ~ BLDG 137

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. 

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.

As a Software Engineer I on our team, you will play a key role in the design, development, integration, and verification of our embedded software solutions. We value individuals with a strong desire to learn, grow, and expand their technical capabilities, especially within embedded environments. The ideal candidate will consistently deliver superior results, ensuring project milestones are met while fostering a positive work environment. You should thrive in collaborative team settings, both in-person and through technology, and enjoy working closely with others to achieve shared goals. You will also have opportunities to collaborate with experts across other disciplines, including hardware, systems, and FPGA engineering.

 

What You Will Do:  

As an entry level Software Security Engineer 1 at Collins Aerospace/RTX,

• You will be a part of a team that is developing new and innovative products for our customers’ mission.  
• You will face and conquer challenges across a wide range of complex and interesting problem domains.  
• You will develop your skills with software application tools and languages such as Rust, C ++, and Python.  
• You will impact the team positively by demonstrating your ability to implement and test software solutions. 
• You will have opportunities to learn about cryptography, waveform & networking protocols, embedded devices, DevSecOps, command & control, project engineering. 

 

What You Will Learn:

• You will gain experience working with an agile team. 
• You will gain experience in the full software development lifecycle.  
• You can take flight to the next level of your career by becoming a subject matter expert.

 

Qualifications You Must Have:

• Bachelor’s degree in Software Engineering, Computer Engineering or related Science, Technology, Engineering or Mathematics (STEM) degree obtained by start date. 

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

 

Qualifications We Prefer:

• Comfortable working with C, C++, Rust, python and/or Linux.
• Some experience coding in an embedded environment.
• Security focused mindset.
• Familiar with multi-threaded and object oriented development.

 

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 the company’s performance.

This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.

RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

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