Raytheon Technologies

Principal Software Engineer - Datalink Safety Routers and Applications (ONSITE)

Raytheon Technologies$107K — $204K *
Aerospace & Defense
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Degree in STEM with 8+ years experience or Advanced Degree with 5+ years experience
  • Strong experience with DO-178B/C DAL A/C/D systems
  • Embedded software development expertise in C and C++
  • Extensive knowledge of the software development lifecycle
  • Proven leadership in resolving complex technical issues
  • Experience in hardware/software and system-level integration

Responsibilities

  • Provide technical leadership in design and certification of safety-critical software
  • Develop and support real-time embedded software according to specifications
  • Design software architecture and create detailed designs based on requirements
  • Lead complex issue resolution and root cause analysis
  • Conduct software requirements, design, and code reviews
  • Collaborate with cross-functional teams for integration tasks
  • Mentor engineers and promote best practices

Benefits

  • Medical, dental, and vision insurance
  • Three weeks of vacation for newly hired employees
  • Generous 401(k) plan with employer matching and contributions
  • Tuition reimbursement program
  • Student Loan Repayment Program
  • Life insurance and disability coverage
  • Employee Assistance Plan with counseling sessions
  • Virtual doctor visits
Full Job Description
Date Posted:
2026-09-14
Country:
United States of America
Location:
US-IA-CEDAR RAPIDS-131 ~ 5450 C Ave NE ~ BLDG 131
Position Role Type:
Onsite
U.S. Citizen, U.S. Person, or Immigration Status Requirements:
The company will offer immigration sponsorship for this position, if needed. The company will not seek an export authorization for this role.
Security Clearance Type:
None/Not Required
Security Clearance Status:
Not Required

We are currently seeking qualified candidates for a Principal Software Engineer role within our Datalink Safety Routers and Applications team. The team develops airborne safety router software and Air Traffic Control (ATC) applications supporting safety-critical air/ground communications, as well as Signal Processor (SigP) avionics software supporting aircraft data concentration and audio management functions. You will work across a diverse portfolio of safety-critical avionics products and platforms supporting DO-178B/C DAL A/C/D software and the full software development lifecycle.

This is an onsite position in Cedar Rapids, Iowa.

What You Will Do:
  • Provide technical leadership for the design, development, integration, verification, and certification of safety-critical embedded avionics software.
  • Design, develop, integrate, test, and support real-time embedded software, primarily using C and C++, to meet technical, certification, program, and customer requirements.
  • Develop software architecture, detailed designs, and software based on system and software requirements.
  • Lead resolution of complex software and system-level technical issues, including root cause investigation and corrective actions.
  • Lead and participate in software requirements, design, and code reviews.
  • Collaborate across Systems, Hardware, Software, Verification, and Certification teams to support hardware/software and system-level integration.
  • Provide technical guidance and mentoring to software engineers and drive engineering best practices.
  • Support DO-178B/C certification activities and technical interactions throughout the certification lifecycle.
  • Collaborate with internal organizations and external customers to understand technical needs, resolve issues, and develop solutions.


What You Will Learn:
  • Gain broad technical exposure to Collins Aerospace Datalink safety routers and Air Traffic Control applications.
  • Develop deeper knowledge of aircraft communication architectures, air/ground messaging, and Datalink protocols.
  • Expand your understanding of how safety-critical avionics products integrate with aircraft systems such as FMS, MCDU, EICAS, ACMS.
  • Gain exposure to a diverse portfolio of Commercial, Business & Regional, and Military avionics platforms and customers.
  • Expand your technical leadership experience across complex avionics programs, products, and certification efforts.


Qualifications You Must Have:
  • Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 8 years prior relevant experience or an Advanced Degree in a related field and minimum 5 years of experience
  • Strong experience developing safety-critical avionics software across DO-178B/C DAL A/C/D systems.
  • Strong embedded software development experience using C and C++.
  • Strong experience across the software development lifecycle, including requirements, architecture/design, coding, integration, verification, and certification.
  • Demonstrated ability to lead complex technical efforts and drive technical issues to resolution while working across engineering disciplines and organizations.
  • Experience with hardware/software and system-level integration.


Qualifications We Prefer:
  • Experience with air/ground messaging and Datalink protocols, including ARINC 429, ARINC 618, VDL Mode 2, TCP/IP, and ATN OSI.
  • Knowledge of aircraft systems such as CMU, RIU, EICAS, MCDU, FMS, and ACMS and their functions within the aircraft.
  • Experience with avionics data concentration, audio management, or Signal Processor software.
  • Experience with Real-Time Operating Systems (RTOS) and network protocols.
  • Python and software automation/scripting experience.
  • Experience supporting DO-178B/C certification activities and SOI audits.
  • Experience with software verification activities including data/control coupling, low-level testing, and hardware/software integration testing.
  • Experience working directly with airframe, airline, regulatory, or other external customers.
  • Experience leading technical decisions across multiple programs or product lines.


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, additional life and accident insurance, critical illness insurance, group legal, ID theft protection
  • Birth, adoption, parental leave benefits
  • Carrot Health to hormonal health, fertility, and family building
  • 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
  • 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, from aircraft and airports to air traffic management. Join us in creating solutions that connect the world, one flight at a time. Start your application today.

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. Regardless of your role type, collaboration and innovation are critical to our business and all employees will have access to digital tools so they can work with colleagues around the world - and access to Collins sites when their work requires in-person meetings.

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 107,500 USD - 204,500 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.

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.

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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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