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Principal Software Engineer- Security Jobs

27 Job Offers

Principal Software Engineer - Data Processing Unit - Security
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Join Microsoft's SCHIE team in Santa Clara as a Principal Software Engineer. Design and implement secure cryptographic flows for the Data Processing Unit (DPU), focusing on boot, attestation, and Post-Quantum Cryptography. Leverage your expertise in C/C++ and embedded systems to architect the DPU...
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Location
United States , Santa Clara
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Salary
139900.00 - 274800.00 USD / Year
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Microsoft Corporation
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Until further notice
Senior/ Principal Engineer Software - Data & AI Security (Cortex Cloud)
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Israel , Tel Aviv
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Not provided
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Palo Alto Networks
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Until further notice
Principal Software Engineer - Identity & Security
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United States , Redmond
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Salary
139900.00 - 274800.00 USD / Year
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Microsoft Corporation
Expiration Date
Until further notice
Sr Principal Software Engineer (L7 Security)
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Join our Layer-7 Security team in Santa Clara as a Sr Principal Software Engineer. Innovate and design new security features for next-generation firewalls using C/C++. We seek a collaborative leader with deep networking and security protocol knowledge. Enjoy FLEXBenefits, stock units, and a bonus.
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Location
United States , Santa Clara
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Salary
170000.00 - 277000.00 USD / Year
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Palo Alto Networks
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Until further notice
Principal Software Engineer - Copilot Security
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Lead the security of Microsoft's agentic AI future as a Principal Software Engineer. Design and ship AI-powered defenses and secure orchestration frameworks for Copilot at global scale. This Redmond-based role requires 8+ years building large-scale, security-critical systems and expertise in agen...
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United States , Redmond, WA
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Salary
163000.00 - 296400.00 USD / Year
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Microsoft Corporation
Expiration Date
Until further notice
Principal Software Engineer - Copilot Security
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Lead the development of AI-powered security for Microsoft Copilot as a Principal Software Engineer. Design and ship agentic AI defenses against emerging threats like prompt injection, enabling safe orchestration across platforms. This hands-on role in Redmond requires deep expertise in building s...
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Location
United States , Redmond
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Salary
139900.00 - 274800.00 USD / Year
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Microsoft Corporation
Expiration Date
Until further notice
Principal Software Engineer - Security
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Lead AI security initiatives for Microsoft Edge in Redmond. This principal engineering role requires deep expertise in AI/LLM security, threat research, and practical mitigation coding. You'll provide technical leadership on complex safety scenarios and browser-integrated AI defenses. A collabora...
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Location
United States , Redmond
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Salary
139900.00 - 274800.00 USD / Year
https://www.microsoft.com/ Logo
Microsoft Corporation
Expiration Date
Until further notice

About the Principal Software Engineer- Security role

Explore high-impact Principal Software Engineer – Security jobs and discover a career at the apex of technology and defense. A Principal Software Engineer – Security is a seasoned technical leader and architect responsible for building the foundational security infrastructure that protects organizations from modern cyber threats. This role transcends standard development; it involves setting the technical vision for security platforms, making high-stakes architectural decisions, and mentoring senior engineers to elevate the entire team's security posture. These professionals are the cornerstone of any robust security strategy, designing systems that are secure by design and resilient by default.

Typically, individuals in these jobs are entrusted with a wide array of critical responsibilities. They architect and build scalable, cloud-native security services that can perform real-time enforcement and analysis on vast data streams. Common tasks include designing and implementing core features for critical security domains such as Data Loss Prevention (DLP) to safeguard sensitive information, developing threat intelligence pipelines for proactive defense, and creating the engines for Cloud Access Security Brokers (CASB) and Secure Web Gateways (SWG) to secure cloud application and internet access. Their work often involves deep integration of security controls into CI/CD pipelines, ensuring security is an integral part of the software development lifecycle. Furthermore, they lead initiatives to address vulnerabilities, define security best practices, and influence the organization's long-term security roadmap.

To excel in Principal Software Engineer – Security jobs, candidates must possess a rare blend of deep software engineering expertise and profound security domain knowledge. Typically, a minimum of 8-12 years of progressive software development experience is expected, with a significant portion focused on security. Proficiency in modern programming languages like Go, Java, Python, or C++ is standard, coupled with expert-level knowledge of cloud platforms (AWS, Azure, GCP), containerization (Docker), and orchestration technologies (Kubernetes). A strong background in security principles is non-negotiable, including intimate knowledge of cryptography, secure communication protocols (TLS, HTTPS), network security, and identity and access management (IAM). Beyond technical skills, success in these roles demands exceptional leadership, strategic thinking, and communication skills, as these principals must articulate complex security risks and architectural trade-offs to both technical teams and executive leadership. If you are a visionary engineer passionate about building systems that defend against evolving threats, exploring Principal Software Engineer – Security jobs is your next strategic career move.