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504 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

Sr Principal Real-time Software Engineer

Tucson, Arizona, United States

… creating a safer, more secure world. Join us and help shape the future of aerospace and defense. The Software organization develops software applications, including integration and test on missiles, launchers, radars, …

Added Oct 27, 2026

RTX

Sr Principal Real-time Software Engineer

Tucson, Arizona, United States

… creating a safer, more secure world. Join us and help shape the future of aerospace and defense. The Software organization develops software applications, including integration and test on missiles, launchers, radars, …

Added Oct 27, 2026

Huntington Bancshares

Senior Principal Software Developer (AI Cybersecurity)

Columbus, Ohio, United States +6 locations

… and agent-driven workflows to optimize cyber operations and reduce manual effort. Data & Analytics: Engineer pipelines and analytics solutions for processing logs, telemetry, and security data to generate actionable …

Added Nov 3, 2026

The Home Depot

Principal Software Engineer - Online Experience (Remote)

GEORGIA - VIRTUAL - GA01 +1 location

  • Remote
  • Full time
  • Regular

Pay posted by employer$140,000–$240,000

… other product team members (UX, engineering, and product management) to create secure, reliable, scalable software solutions Documents, reviews and ensures that all quality and change control standards are met Writes …

Added Oct 28, 2026

RTX

Principal Software Engineer with Test Solutions

Tucson, Arizona, United States

… early engineering tests, design verification tests, production, and post-production sustainment. The Principal Software Engineer with Test Solutions position is focused on the design, development, integration, and maintenance of …

Added Oct 27, 2026

Nvidia

Principal Software Engineer, Agent Policy Fabric

Santa Clara, California, United States +5 locations

… handling, and common audit across runtime substrates and enterprise integrations. We are looking for a Principal Software Engineer, Agent Policy Fabric (APF) Core Platform, to join our Cloud Engineering & Services team and mature the …

Added Oct 31, 2026

Palo Alto Networks

Principal Software Engineer, Secrets Hub Team

Office - Bulgaria - Sofia

… AWS, Azure, GCP, and HashiCorp Vault, securing critical workloads for the world's largest enterprises. As a Principal Software Engineer, you will design and implement scalable, secure services for the Secrets Hub platform while leading complex …

Added Oct 27, 2026

Palo Alto Networks

Principal Software Engineer – Identity SSO (Idira)

Office - Israel - Petach Tikva

… Sign-On and zero-trust framework, protecting sensitive systems. We are seeking an energetic and versatile Principal Software Engineer to join our elite team responsible for building our Identity Human & Non-Human Identity unified platform. …

Added Oct 27, 2026

Palo Alto Networks

Principal Engineer Software (Threat Data Platform)

Santa Clara, California, United States +2 locations

… team at Palo Alto Networks, where we are redefining how threat intelligence is automated and analyzed. As a Principal Software Engineer, you will build AI-driven tools that empower researchers to develop sophisticated, high-fidelity threat …

Added Oct 27, 2026

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

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

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