526 matching jobs for “Principal Software Engineer”

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Principal Security Software Engineer

Cambridge, England, United Kingdom

Full time
Reg Employee

requires close collaboration with software engineering, product security, quality, and compliance teams. (see https://www.hpwolf.com/ ) …

Added Oct 12, 2026

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Leidos Holdings

Principal Biometrics Software Engineer

Bethesda, Maryland, United States

Pay posted by employer$131,300–$237,350

The Biometrics Software Engineer role specializes in integrating biometric technologies (e.g., fingerprint, facial recognition, …

Added Nov 3, 2026

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Nike

Senior Principal Software Engineer

Beaverton, Oregon, United States

WHO WE’RE LOOKING FOR We are looking for a Senior Principal Software Engineer with deep expertise in FP&A , a strong understanding of P&L and financial drivers , and a proven track …

Added Oct 27, 2026

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Nike

Principal Software Engineer, ITC

Karnataka, India

… AI-native SDLC, and developer experience functions globally. WHO WE ARE LOOKING FOR Nike is seeking a Principal Software Engineer who brings architectural depth, technical authority, and a passion for transforming how software gets built …

Added Oct 27, 2026

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Nvidia

Principal Systems Software Engineer

Santa Clara, California, United States +1 location

NVIDIA is seeking a Sr. Principal Systems Software Engineer for the Apache Spark Acceleration group. GPU accelerated data processing has …

Added Oct 31, 2026

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Northrop Grumman

Sr Principal Software Engineer

United States-Oklahoma-Oklahoma City

Pay posted by employer$116,300–$174,500

… Start dates are determined after funding confirmation. Northrop Grumman is seeking an experienced Sr Principal Software Engineer to join our dynamic team. This position will support our Aeronautics Systems sector in Oklahoma City, OK. …

Added Nov 3, 2026

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RTX

Principal Engineer, Software Engineering

Cedar Rapids, Iowa, United States

Pay posted by employer$135,803–$204,500 USD per year

Develop software prototypes to prove or disprove research hypothesis in the area of software development, architectures, and …

Added Oct 27, 2026

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RTX

Principal Engineer, Software Engineering

Cedar Rapids, Iowa, United States

Pay posted by employer$135,803–$204,500 USD per year

Participate in/lead software engineering requirements capture and analysis with emphasis on verifiability and test approach. Design, …

Added Oct 27, 2026

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RTX

Principal Engineer, Software Engineering

Melbourne, Florida, United States

Pay posted by employer$155,501–$204,500 USD per year

… design, development and utilization of electronic data processing systems for product and commercial software to ensure smooth operations on software engineering activities. Design and implement build procedures that …

Added Oct 27, 2026

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RTX

Principal Engineer, Software Engineering

Cedar Rapids, Iowa, United States

Pay posted by employer$135,803–$164,000 USD per year

Added Oct 27, 2026

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RTX

Principal Engineer, Software Engineering

Cedar Rapids, Iowa, United States

Pay posted by employer$135,803–$204,500 USD per year

Added Oct 27, 2026

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Palo Alto Networks

Principal Software Engineer (ITDR)

Office - Israel - Petach Tikva

Your Career: We are seeking a highly motivated and experienced Principal Software Engineer to join our group. As a senior developer, you will design and build our new high-scale, complex, …

Added Oct 27, 2026

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RTX

Principal Engineer, Software Engineering

Cedar Rapids, Iowa, United States

Pay posted by employer$135,803–$204,500 USD per year

… Primary Flight Displays, Maps, Windows Manager and Video. Maintain applications and work with Model Based software development with Simulink and testing/verification using python and harness environments using C/C++. …

Added Oct 27, 2026

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GE Vernova

Principal AI Software Engineer

Niskayuna +1 location

Pay posted by employer$145,400–$242,500

Summary As a Principal AI Software Engineer, you will define the technical architecture and drive the strategy for …

Added Oct 27, 2026

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RTX

Principal Engineer, Software Engineering

Cedar Rapids, Iowa, United States

Pay posted by employer$165,194–$204,500 USD per year

… success of the product and program. Provide analysis for the decomposition of customer specifications and software level requirements into sub-system and piece part requirements and make recommendations for the generation …

Added Oct 27, 2026

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Caterpillar

Principal Software Engineer - D365

US - AZ - Camelback Office

Pay posted by employer$147,760–$240,110

… and AI capabilities to help our customers build a better, more sustainable world. Job Summary: The Principal Software Engineer, D365 will play a critical, senior role within the D365 Engineering team (a part of Cat Digital Dealer and …

Added Oct 30, 2026

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Mastercard

Principal Software Engineer-TS

See posting for location

… services that help people, businesses and governments realize their greatest potential. Title and Summary Principal Software Engineer-TS Who is Mastercard? Mastercard is a global technology company in the payments industry. We work to …

Added Oct 27, 2026

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Walmart

Principal, Software Engineer - Marketplace

Sunnyvale, California, United States

Pay posted by employer$143,000–$286,000 per year

... What you'll do... Role summary: As a Principal Software Engineer, you will lead the design and delivery of scalable platform capabilities, driving innovation in …

Added Oct 27, 2026

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Palo Alto Networks

Principal Engineer Software (DLP)

Office - USA - CA - Headquarters

Bring your backend java cloud engineering skills to work on the latest cloud software/web applications. Help us deploy and scale the next generation of cloud security utilizing big data and …

Added Oct 27, 2026

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Northrop Grumman

Principal/Sr. Principal Engineer Software - Infrastructure

United States-Florida-Melbourne

Pay posted by employer$98,400–$147,600

will include designing, testing, maintaining, troubleshooting, and improving the systems and software. You’ll need to rely on the following skills: Linux/RHEL, bash scripting, Ansible, Atlassian Suite, ACAS …

Added Nov 3, 2026

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RTX

Principal Engineer, Software Engineering

Cedar Rapids, Iowa, United States

Pay posted by employer$135,803–$204,500 USD per year

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About this opportunity

Original employer description

Date Posted:

2026-10-13



Country:

United States of America



Location:

US-IA-CEDAR RAPIDS-193 ~ 1120 Collins Rd NE ~ BLDG193



Position Role Type:

Unspecified



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

Security Clearance Type:

Security Clearance Status:

Not Required

Rockwell Collins Inc. d/b/a Collins Aerospace has an opening for a Principal Engineer, Software Engineering in Cedar Rapids, IA.

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

What YOU will do

Participate in/lead software engineering requirements capture and analysis with emphasis on verifiability and test approach. Design, develop, document, test and debug control and diagnostic systems that contain logical and mathematical solutions.
Conduct software verification activities (test case and procedure creation and debug) for embedded software of moderate complexity.
Conduct multidisciplinary research and collaborate with designers in the planning, design, development and utilization of electronic data processing systems for product and commercial software.
Generate and maintain software documentation for the software verification lifecycle artifacts. Design and generate build procedures that are used to support hardware and software product development and use.
Utilize proprietary processes related to software development and verification and apply them to current projects.
Participate in cross-functional team efforts in definition, integration, verification, and validation of products and sub-systems of moderate to high complexity.
Identify the root cause of moderate to complex software issues using appropriate debug and analysis tools.
Summarize encountered technical software issues to project leadership in a timely fashion. Expand knowledge base on various software and system components to be able to support potential software development tasks.

Qualifications You Must Have

Must possess at least a bachelor's degree or its equivalent in Computer Science, Electrical Engineering or related field and at least 8 years of progressive experience as a Software Engineer or related role. In the alternative, must possess at least a master’s degree or its equivalent in Computer Science, Electrical Engineering or related field and at least 5 years of experience as a Software Engineer or related role would be acceptable.
Must possess at least 5 years of experience with C programming language.
Must possess at least 5 years of experience with Avionics Software products.
Must possess at least 5 years of experience with Avionics DO178 certification.
Must possess at least 2 years of experience with ARINC Graphics Server software.
Non-U.S. Person – Position will not offer work immigration sponsorship and will seek export authorizations to allow the individual to work on a specific program or project.

Learn More & Apply Now!

Avionics: Our Avionics team advances flight deck solutions, airborne communications, vision systems, sensors and fire protection for commercial and military customers around the world. That means we’re helping people reach their destination safely and keeping pilots, passengers, flight crews, airlines, airports and military personnel connected and informed. And we’re providing industry-leading fire protection and safety systems that our customers can count on when it matters most. Are you ready to learn from the most knowledgeable experts in the industry, develop the technologies of tomorrow and reach new heights in your career? Join our Avionics team today.

Onsite: Employees who are working in Onsite roles will work onsite. This includes all production and maintenance employees, as they are essential to the development of our products.

The salary range is $135,803.00 to $204,500.00 USD per year. 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.

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.

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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