Senior Software Engineer (Onsite)

Date Posted:

2026-09-22

 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:

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.

As a Senior Software Engineer, you will contribute to the development of advanced software solutions that support a variety of mission-critical applications. You will work on complex technical challenges requiring high levels of reliability, security, and performance.

In this role, you will collaborate with cross-functional teams, including hardware, FPGA, and systems engineering, to integrate innovative technologies into a portfolio of products. These solutions enable secure communications, data exchange, and other critical capabilities for customers operating in demanding environments.

Technical responsibilities for this software engineering position will primarily encompass working in a software role and contributing to key decision making for the successful development of applications across multiple product lines. There will be involvement in requirements definition, collaboration on software design and architecture, implementing software, software\hardware integration, and requirement verification.

This position is located in Cedar Rapids, Iowa. A comprehensive relocation package is available to qualified applicants.

What YOU will do:

Lead Software Development and Integration: Spearhead efforts on a multi-threaded embedded C++ product codebase, driving innovation at the cutting edge of technology.

Design Embedded Solutions: Take the lead in designing and developing advanced embedded cryptographic solutions and communications products, ensuring alignment with strategic objectives.

Drive Project Excellence: Collaborate with cross-functional project teams to define requirements, implement software, and oversee test case development, verification test execution, and certification support.

Mentor and Empower: Provide guidance and mentorship to fellow software developers, enhancing both technical proficiency and process optimization while cultivating a culture of collaboration and continuous improvement.

Enhance Security and Reliability: Play a pivotal role in shaping products that significantly bolster the security and reliability of critical communications infrastructure.

What YOU will learn:

Achieving Superior Results and Project Management: Master the skills needed to consistently deliver high-quality outcomes while adeptly managing project timelines and milestones.

Advanced Team Collaboration: Develop the ability to build and maintain strong collaborative relationships with colleagues, both in-person and virtually, to create a positive and productive work environment.

Expertise in Systems Integration: Gain in-depth, hands-on experience in integrating complex system hardware and software components, significantly enhancing your technical proficiency and problem-solving capabilities.

Qualifications You Must Have:

Software development and integration experience embedded C and C++ product software.

Experience with standard full lifecycle software development practices and configuration management tools

Knowledge and\or experience in embedded security software development and integration

The ability to obtain and maintain a U.S. government issued security clearance is required.

Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 5 years prior relevant experience or an Advanced Degree in a related field and minimum 3 years of experience

Qualifications We Prefer:

Cost Account management experience

Experience serving as a Product Owner in an Agile development environment.

Experience in Rust development

Comfortable working in a Linux development environment.

Capable of mentoring engineers regarding software development skills and practices

Desire to successfully work in a team environment, establishing collaborative relationships with coworkers in person and through technology; experience working on an Agile team desirable

Strive to consistently produce superior results, keeping project milestones on schedule, contributing to a positive work environment, and driving process efficiency improvements

Experience leading teams and running projects through the full software lifecycle

Proficiency in scripting languages such as python

May have practical knowledge of project management.

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

Eligible for relocation

And more!

Learn More & Apply Now! ​

Do you want to be a part of something bigger? A team whose impact stretches across the world, and even beyond? At Collins Aerospace, our Mission Systems team helps civilian, military and government customers complete their most complex missions — whatever and wherever they may be. Our customers depend on us for intelligent and secure communications, missionized systems for specialized aircraft and spacecraft and collaborative space solutions. By joining our team, you’ll have your own critical part

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.

At Collins, the paths we pave together lead to limitless possibility. And the bonds we form – with our customers and with each other – propel us all higher, again and again.

Apply now and be part of the team that’s redefining aerospace, every day.

#MISENG

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 whe