Senior Software Engineer - Embedded Linux (Onsite)

RTX (Raytheon); Cedar Rapids (IA); On-site; USD 120,000 - 170,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

Three weeks of vacation

Job summary

Collins Aerospace, an RTX company, seeks a Senior Software Engineer in Cedar Rapids to develop embedded Linux solutions for mission systems. You will own the Linux ecosystem, drive kernel and BSP work, and collaborate across hardware and software teams to deliver secure, high‑reliability software for defense applications.

The role requires a STEM degree with 5+ years of relevant experience or an advanced degree with 3+ years, and the ability to obtain a DoD security clearance.

Qualifications

• Degree in Science, Technology, Engineering or Mathematics (STEM) plus 5+ years of relevant experience, or an Advanced Degree with 3+ years of experience.
• Ability to obtain and maintain a U.S. government security clearance; U.S. citizenship required.
• Experience as a command line user of Linux.
• Experience in embedded C/C++.
• Experience with scripting languages (Bash and Python).
• Experience with board bring-up and target hardware integration.
• Experience debugging with hardware schematics, logic analyzers, and Wireshark.
• Experience with Git and SVN version control systems; Buildroot familiarity; Linux BSP packaging and development.

Responsibilities

• Design, develop and enhance the embedded Linux OS ecosystem and maintain build toolchain, kernel, root filesystem, bootloader, drivers, and BSP.
• Contribute to the design, coding, testing, and support of embedded Linux software systems.
• Assist in root cause analysis and resolution of hardware-software issues.
• Prepare software builds for simulation, reference platforms, and target hardware.
• Apply Collins Aerospace processes and tools to improve product quality and customer satisfaction.
• Contribute to engineering estimates for changes and problem reports.

Skills

Linux command line

Embedded C/C++

Scripting Bash/Python

Board bring-up

Debugging with hardware tools

Git/SVN

Education

STEM degree

Advanced degree in related field

Tools

Buildroot

Linux BSP packaging

Job description

Date Posted: 2026-10-13

Country: United States of America

Location: US-IA-CEDAR RAPIDS-108 ~ 400 Collins Rd NE ~ BLDG 108

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

About Collins Aerospace

Joining Collins Aerospace isn't just about finding a job; it's about embarking on a journey to redefine the future of aerospace technology.

Collins Aerospace, an RTX company, is a leader in technologically advanced and intelligent solutions for the global aerospace and defense industry. Collins Aerospace has the capabilities, comprehensive portfolio, and expertise to solve customers' toughest challenges and to meet the demands of a rapidly evolving global market.

As a Senior Software Engineer in this organization, you will be involved in the development of state-of-the-art communications, information assurance, and general-purpose processing systems. The Advanced Technology and Capabilities directorate supports some of the most cutting-edge products across the enterprise. We develop innovative solutions that keep our military members safe, connected, and informed. Our team has some of the most knowledgeable experts in the industry and work with all the most recent technologies in embedded software development. Within Collins Aerospace we work alongside FPGA, hardware, and systems teams in order to seamlessly embed our advanced technology into our Mission Systems product portfolio. Examples of these products range from high-frequency radios to secure, sophisticated software-defined radios that can enable pilots and soldiers to transfer data, voice and imagery over the air.

What You Will Do

• Design, develop and continuously enhance our customized Linux OS ecosystem and maintain ownership over areas such as build toolchain, kernel, root filesystem, bootloader, device drivers, and BSP for a wide variety of hardware boards
• Contribute to the design, coding, testing, delivery and ongoing support for embedded Linux software systems
• Participate in root cause analysis and resolution of complex hardware-software issues
• Prepare software builds for execution in a simulation environment, reference platforms and on the target hardware
• Understand and utilize the appropriate Collins Aerospace processes and tools during product development, resulting in increased product quality and improving customer satisfaction
• Contribute to engineering estimates for tasks such as change requests or problem reports

What You Will Learn

• You will work with an experienced team to learn best practices and Collins' engineering processes for implementing world class embedded solutions
• You will get to work with cutting edge technologies developed both in house and by external vendors
• You will learn how embedded Linux and low-level software are used to implement solutions utilized in communications, security, and space-based products

Qualifications You Must Have

• 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
• 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
• Experience as a command line user of Linux
• Experience in embedded C/C++
• Experience with scripting languages (Bash and Python)
• Experience with board bring-up and target hardware integration
• Experience with debugging and root cause investigations using hardware schematics and tools such as logic analyzer and Wireshark

Qualifications We Prefer

• Experience with GIT and SVN version control systems
• Experience packaging custom Linux distribution with Buildroot.
• Experience in developing and maintaining Linux board support packages (BSP) for embedded systems
• Development experience Agile methodologies and DevSecOps

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

• Medical, dental, and vision insurance
• Three weeks of vacation for newly h