Senior Principal Embedded Software Engineer (Onsite)

Date Posted : 2025-10-30

Country :

United States of America

Location :

HTX36 : Richardson, TX 3200 E Renner Rd

, Richardson, TX, 75082-2402 USA

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 :

DoD Clearance : Secret

Your Next Mission : Engineering the Future of National Defense

At Collins Aerospace, we don't just write code - we build the backbone of mission-critical systems that safeguard lives. As a Senior Principal Embedded Software Engineer, you'll be a key contributor in a Special Access Program (SAP), working on cutting-edge Strategic Nuclear Deterrence technologies. Your expertise will drive innovation, enhance security, and ensure the reliability of systems vital to national defense.

This role is more than just engineering - it's about solving complex challenges that shape the future of aerospace and defense. If you're passionate about high-stakes embedded systems, real-time software, and developing solutions that have a lasting impact, we want you on our team.

This is an onsite role based in Richardson, Texas. Relocation assistance may be available.

What You Will Do :

Architect, design, and develop embedded software solutions for mission-critical systems.

Collaborate with top engineers and domain experts to create high-performance, real-time applications in a secure and rigorous environment.

Provide hands-on technical leadership, mentoring junior engineers while collaborating with senior stakeholders.

Ensure software compliance with industry standards and security requirements through rigorous testing, validation, and verification.

Engage in full lifecycle development, from requirements development to system integration and deployment.

Utilize advanced tools and methodologies, including model based systems engineer and automated testing to deliver high-quality, maintainable software.

What You Will Learn :

Gain and grow deep expertise within the Strategic Nuclear Deterrence domain.

Acquire valuable experience and opportunities to lead, including roles such as Product Owner, CAM, and Software Lead.

Become a subject matter expert and leader in communication technologies with cross-disciplinary exposure.

Benefit from comprehensive training and development programs to enhance your skills and expertise.

Qualifications You Must Have :

Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 10 years prior relevant experience or an Advanced Degree in a related field and minimum 7 years of experience

Active and transferable Secret U.S. government issued security clearance is required prior to start date.

Professional experience in embedded systems / software design, integration and testing with real-time operating systems.

Software development experience in a Department of Defense (DoD) environment.

Qualifications We Prefer :

Experience in Agile development methods, including Scrum, automated testing, and continuous integration.

Excellent oral and written communication skills.

Demonstrated experience with tools such as JIRA, Confluence, Git, Docker, and requirements management applications.

Previous professional background in software development lifecycle models and processes for Department of Defense contracts.

Experience working on software for military applications and / or experience in working government programs.

Experience with Model-Based Systems Engineering concepts for UML model and requirements management with tools such as MagicDraw Cameo, Rhapsody, and Enterprise Architect.

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 to play in ensuring our customer succeeds today while anticipating their needs for tomorrow. Are you up for the challenge? Join our mission today.

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!

• Please consider the following role type definitions 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.

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.

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 124,000 USD - 250,000 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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Raytheon Technologies is An Equal Opportunity / Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age or any other federally protected class.