Raytheon Technologies

Senior Software Engineer - Core Systems & Libraries (Onsite)

Raytheon Technologies$86K — $165K *
Aerospace & Defense
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Degree in STEM field and 5 years experience or an advanced degree with 3 years experience.
  • U.S. citizenship required for information access.
  • Experience in software architecture and development for aerospace or safety-critical applications.
  • Proven ability to lead technical tasks and customer engagement.
  • Hands-on experience with DO-178 software development and certification.

Responsibilities

  • Architect and design core software components for avionics systems.
  • Direct technical execution for safety-critical software development and verification.
  • Create software requirements and ensure traceability across systems.
  • Develop and verify software using modern C++ and object-oriented principles.
  • Generate DO-178 certification artifacts, including DAL-A deliverables.
  • Engage with customers and regulatory bodies during certification efforts.
  • Facilitate peer reviews for quality and compliance throughout the software lifecycle.

Benefits

  • Medical, dental, and vision insurance.
  • Three weeks of vacation for new hires.
  • 401(k) plan with employer matching and lifetime income strategy option.
  • Tuition reimbursement program available.
  • Student Loan Repayment Program offered.
  • Life insurance and disability coverage included.
  • Access to wellness programs, including counseling and virtual health visits.
Full Job Description

Date Posted:

2026-05-20

Country:

United States of America

Location:

US-IA-CEDAR RAPIDS-124 ~ 400 Collins Rd NE ~ BLDG 124

Position Role Type:

Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements:

U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract.

Security Clearance Type:

None/Not Required

Security Clearance Status:

Not Required

Join the Collins Aerospace Core Systems & Libraries team and help build the software backbone that powers modernaircraft.

Werelooking for aSenior Software Engineerwho enjoys solving complex problems and delivering high-impact solutions in safety-critical environments.

In this role, you will architect and develop core software components, libraries, and tools that enable scalable, certifiable avionics platforms.Youwork across the full software lifecycle, partnering with cross-functional teams to deliver robust solutions aligned with civil and military certification standards.

This is a unique opportunity to influence system-level architecture, drive open-architecture innovation, and help shape the technologies defining the future of aerospace.

This role will belocatedonsite inCedar Rapids, Iowa

What You Will Do

  • Develop the architecture and design of core software components, libraries, and tooling aligned to avionics system requirements

  • Drive technical direction and execution across development and verification activities for safety-critical software (DO-178)

  • Develop software requirements, decomposition, and traceability across complex systems

  • Develop and verify software using modern C++ and object-oriented design principles

  • Develop DO-178 certification artifacts, including DAL-A deliverables

  • Perform certification efforts, including engagement with customers and regulatory authorities

  • Conduct and contribute to peer reviews to ensure quality, consistency, and compliance across the lifecycle

  • Collaborate cross-functionally with engineering, program leadership, and customers to align technical solutions with program objectives

  • Willing and Able to travel asrequired(domestic and international <10%).


What You Will Learn

  • Gain hands-on experience withcutting-edgeand emerging technologies that are shaping the future of avionics and aerospace systems

  • Build end-to-endexpertiseacross the full product lifecycle, from requirements and design through verification and delivery of safety-critical systems

  • Develop a deep understanding of software certification (DO-178) and how world-class avionics products meet rigorous regulatory standards

  • Learn how to design, scale, and sustain software product lines that support a wide range of platforms and global customers

Qualifications You Must Have

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

  • U.S. citizenship isrequired, as only U.S. citizensare authorized toaccess information under this program/contract.

  • Proven experience designing and developing software architecture, libraries, or platform-level components within an aerospace or safety-critical environment

  • Demonstrated ability to lead technical execution oftasks, including customer engagement and presenting stakeholders

  • Hands-on experience supporting DO-178 software development and certification activities (e.g., requirements, verification, or certification artifacts)

Qualifications We Prefer

  • Experience with C++ and VxWorks.

  • Experience writing High-Level and Low-Level Requirements.

  • Experience writing Test Cases and Automated Test Procedures.

  • Experience with Civil Certification DO-178 6 DAL A preferred.

  • Experience with design and development of Flight Management Systems, Software,AircraftApplications or Middleware.

  • Familiar with revision control concepts and tools (e.g.GIT, Subversion, JIRA).

What We Offer

  • 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,additionallife and accident insurance,critical illnessinsurance, 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,childand elder care services

  • Teladoc Medical Experts, second opinion program

  • And more!

Learn More & Apply Now!

Avionics delivers advanced cockpit displays, vision systems, and comprehensive digital solutions for global government, commercial and business aviation customers. We provide connectivity and managed data services to ensure safety and seamless communication for passengers, crews, and militaries, fromaircraftand airports to air traffic management. Join us in creating solutions that connect the world, one flight at a time. Start your application today.

*Please ensure the role type (defined below) isappropriate foryour needs before applying to 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 6 with our customers and with each other -- propel us all higher,again and again.

Apply now and be part of the teamthatsredefining aerospace, every day.

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attendselect 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 86,800 USD - 165,200 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 candidates 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 companys 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.

About Raytheon Technologies

Raytheon Solipsys, a wholly-owned subsidiary of the Raytheon Company, is an industry leader in the development of integrated Command and Control (C2) Network-Centric solutions for the Domestic and International DoD and Homeland Security. Through proven systems and software engineering practices, built on the invention and application of innovative technologies, they deliver the C2 infrastructure necessary to effectively control security/military forces in any environment. Their reliable solutions assure information superiority, increased shared awareness, deep sensor reach, aircraft control, air defense, disaster management, and time-critical decision making.

Raytheon Technologies Careers

Join the innovative world of Raytheon Technologies, a leader in aerospace and defense, where we offer unparalleled job opportunities in an environment that champions diversity, leadership, and professional growth.

Work You’ll Do

At Raytheon Technologies, you’ll be part of a company that values innovation and leadership. Our team is dedicated to solving some of the most complex challenges in aerospace and defense, making significant impacts worldwide. With a culture that fosters diversity and inclusion, you will collaborate with some of the brightest minds in the industry.

Transform Your Career

Step into a role that harnesses your skills and propels your career to new heights. Raytheon Technologies is not just about thinking big but making those big ideas happen. We provide robust career development opportunities that include comprehensive training and development programs, leadership workshops, and continuous learning through our internal platforms.

Innovate and Lead

Join our team of over 60,000 professionals globally, who are not only experts in their fields but are also driven by a passion for innovation and excellence. At Raytheon Technologies, you are positioned at the forefront of the industry, where your work directly contributes to groundbreaking advancements in technology and defense.

Internship and Employment Opportunities

Whether you’re starting your career or looking to advance, Raytheon Technologies offers a range of employment and internship opportunities that can help you achieve your professional goals. Our internships provide a solid foundation of skills and experiences, while our full-time positions offer a path to personal and professional growth within the company.

Benefits and Culture

Our employees enjoy a competitive package of benefits and rewards that reflect their invaluable role in our company. From health and wellness programs to performance bonuses and flexible working conditions, we ensure our team members are well taken care of.

Networking and Professional Development

At Raytheon Technologies, networking and professional development are part of our DNA. We encourage our employees to engage in internal and external networking events, leadership training, and diversity initiatives that enhance their career journey.

Join Our Team

Explore the numerous positions available that match your skills and interests. We are looking for passionate, curious, and solution-driven team players who are ready to take their career to the next level.

Stay Connected

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Prepare for Your Future

Ready to apply? Enhance your resume and prepare for your interview with our comprehensive support tools and resources. Discover the exciting and rewarding career opportunities that await at Raytheon Technologies.

SEARCH RAYTHEON TECHNOLOGIES JOBS

Join us in our mission to create a safer future and be a part of a team that values integrity, excellence, and teamwork. At Raytheon Technologies, your career is just the beginning of a lifelong journey of professional and personal growth.
Learn more about Raytheon Technologies
Size
14,771 employees
Market Cap
$32,494
Industry
Founded
1922
NASDAQ

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