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546 matching jobs for “Principal Software Engineer”

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Exact titles rank first, then title variations and keywords in descriptions. These labels aren't qualification scores. Without keywords, recently added jobs appear first.

RTX

Principal Software Engineer - Embedded Linux (Onsite)

US-IN-FT WAYNE-150A ~ 1010 Production Rd ~ BLDG 150A

… 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 …

Added Oct 27, 2026

Cisco Systems

Principal Software Engineer, AI Defense (Hybrid)

Milpitas, California, United States

Pay posted by employer$250,600–$362,600

… to define the industry standard for AI security at Cisco’s global enterprise scale. YOUR IMPACT As a Principal Software Engineer for AI Defense, you will serve as the chief technical authority driving the end-to-end security …

Added Oct 31, 2026

RTX

Principal Software Engineer - Embedded Linux (Onsite)

Cedar Rapids, Iowa, United States

… to solve customers’ toughest challenges and to meet the demands of a rapidly evolving global market. As a Principal Software Engineer in this organization, you will be involved in the development of state-of-the-art communications, …

Added Oct 27, 2026

RTX

Principal Software Engineer – 5G Core Networks

San Jose, California, United States

… Join us and help shape the future of aerospace and defense. Applied Signal Technology (AST) is seeking a Principal Software Engineer with specialization in protocol development within 5G Core Networks who strives for excellence and has a …

Added Oct 27, 2026

RTX

Principal Software Engineer – Front-end Developer

San Jose, California, United States

… Join us and help shape the future of aerospace and defense. Applied Signal Technology (AST) is seeking a Principal Software Engineer with specialization in front-end development who strives for excellence and has passion to be part of a …

Added Oct 28, 2026

Walmart

(USA) Principal, Software Engineer - Global Governance

Bentonville, Arkansas, United States +1 location

Pay posted by employer$110,000–$220,000 per year

… native. We learn from each other every day. We have a startup culture and are looking to grow our team with software engineers who take pride in their craft and are ready to grow in a fast-paced team-oriented environment. We …

Added Oct 27, 2026

Northrop Grumman

Sr. Principal Software Signal Processing Engineer

United States-Colorado-Colorado Springs

Pay posted by employer$129,300–$193,900

… include, but not be limited to, the following: Designs, develops, documents, tests, and debugs applications software, and systems that contain logical and mathematical solutions. Conducts multidisciplinary research and …

Added Nov 3, 2026

Palo Alto Networks

Principal Engineer Software- Backend Infra (Cortex)

Office - Israel - Tel Aviv

… changes that benefit teams and systems far beyond our immediate scope. Qualifications (must) 7+ years of software engineering experience E2E execution and driving processes through the organisation (i.e with external …

Added Oct 27, 2026

Palo Alto Networks

Senior Principal Software Engineer (Cortex Platform)

Office - USA - CA - Headquarters

… team that is passionate about building the best security products in the world. Job Summary As a Senior Principal Backend Engineer in our Cortex group, you will be a key technical leader responsible for developing, …

Added Oct 27, 2026

Location reference: GeoNames (CC BY 4.0), normalized by Referizz.

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