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Principal Engineer Jobs

1630 Job Offers

Principal DeltaV SIS Software Engineer
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Senior Principal DeltaV SIS Software Engineer needed for on-site commissioning in Allakaket, AK. Lead testing, configuration, and loop checks from the DCS board, managing sequences, alarms, historian integration, and DeltaV Live graphics. Requires senior-level independence and 14-day on/off rotat...
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United States , Allakaket
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Salary
100.00 - 130.00 USD / Hour
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Lorien
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Principal Engineer, System Design
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Principal Engineer, System Design, leading end-to-end circuit order lifecycle for Backhaul, Enterprise, and National Core networks in Overland Park, KS. Requires 7+ years technical engineering experience, strategic thinking, and cross-functional leadership. Drive order accuracy, on-time delivery,...
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United States , Overland Park
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115300.00 - 208000.00 USD / Year
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T-Mobile
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Sr. Principal Software Engineer - Layer 7
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Sr. Principal Software Engineer (Layer 7) sought to design and develop device identity solutions for next-gen firewalls in Santa Clara. Requires 7+ years of experience, C/Linux expertise, and skills in TCP/IP, microservices, Kubernetes, and databases. You will own critical components, drive innov...
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United States , Santa Clara
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170000.00 - 277000.00 USD / Year
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Palo Alto Networks
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Sr Principal, Engineer Software
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Seeking a Sr Principal Backend Engineer in Bengaluru to lead development for Prisma Cloud & Cortex Cloud at Palo Alto Networks. Requires 10+ years experience, expertise in Go/Java/Python, cloud platforms (GCP/AWS/Azure), and microservices (Kubernetes). Drive end-to-end backend development, solve ...
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India , Bengaluru
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Not provided
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Palo Alto Networks
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Sr. Principal Software Engineer (NetSec-PanOS Dev)
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Seeking a Sr. Principal Software Engineer to lead end-to-end delivery of next-gen cloud security solutions in San Francisco. Drive technical leadership for high-scale distributed systems using Go or Java, with expertise in Kafka, Redis, and SQL. Design robust network security architecture for Pan...
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United States , San Francisco
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170000.00 - 277000.00 USD / Year
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Palo Alto Networks
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Principal Software Engineer in Test (Automation & AI)
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Principal Software Engineer in Test (Automation & AI) sought for Palo Alto Networks in Santa Clara, CA. Drive AI-assisted test automation using LLMs (Claude, Gemini) and Python. Lead backend/frontend automation with Playwright, build CI/CD pipelines, and leverage Kubernetes on AWS/Azure/GCP. Requ...
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United States , Santa Clara
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147000.00 - 237500.00 USD / Year
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Palo Alto Networks
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Principal Site Reliability Engineer
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Principal Site Reliability Engineer at Palo Alto Networks in Santa Clara, US. Join a top GCP customer, ensuring reliability for the Wildfire cloud-based malware protection engine. Expertise in Kubernetes, Terraform, Python/Go, and GCP required. Enjoy RSUs, bonus, and the chance to shape scalable,...
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United States , Santa Clara
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151600.00 - 245300.00 USD / Year
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Palo Alto Networks
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Senior Principal Software Engineer — Layer 7 Security
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Senior Principal Software Engineer — Layer 7 Security role in Santa Clara, CA. Lead architecture and development of next-gen, high-performance distributed security systems. Requires 12+ years of experience, expert-level C and Go, deep networking and TCP/IP expertise. Drive innovation in mission-c...
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United States , Santa Clara
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147000.00 - 237500.00 USD / Year
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Palo Alto Networks
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Principal Systems Engineer
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Principal Systems Engineer sought for Baxter’s R&D team in Palm Beach Gardens, FL. Drive innovative medical device development by translating customer needs into system requirements and leading architecture design. Requires a Bachelor’s in Engineering, 5+ years of cross-functional experience, and...
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United States , Palm Beach Gardens
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120000.00 - 165000.00 USD / Year
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Baxter
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Principal Frontend Engineer
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Principal Frontend Engineer role at a seed-stage AI automation startup in NYC (Union Square). You’ll own the core control plane UI—workflow builders, real-time dashboards, and adaptive interfaces—using expert-level React, TypeScript, and Tailwind. Ideal for engineers with 4–7 years of full-stack ...
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United States , New York
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200000.00 - 250000.00 USD / Year
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Strategic Employment Partners
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Principal Structural Engineer
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Principal Structural Engineer role in Brisbane with a top global consultancy. Lead a high-performing team on complex building projects across QLD. Requires RPEQ, 10+ years’ structural design experience, and client-facing skills. Enjoy workplace flexibility, excellent salary, and a collaborative c...
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Australia , Brisbane
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Not provided
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Airswift Sweden
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Principal Engineer, System Verification
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Principal Engineer, System Verification role in Bengaluru, India, driving healthcare innovation at Baxter. Lead system verification for Medication Delivery, leveraging 10+ years of experience in ISO/FDA standards and data analysis tools like Minitab. Requires expertise in design controls, MTBF an...
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India , Bengaluru
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Baxter
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Sr Principal Software Engineer (Quantum Security)
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Sr Principal Software Engineer (Quantum Security) role in Santa Clara, CA. You will lead the development of next-gen security solutions, focusing on Post-Quantum Cryptography (PQC) and SSL protocols for Palo Alto Networks' Strata Cloud Manager. Requires 10+ years in enterprise apps, cloud-native ...
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United States , Santa Clara
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170000.00 - 277000.00 USD / Year
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Palo Alto Networks Italia
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Principal Mechanical Design Engineer
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Palo Alto Networks seeks a Principal Mechanical Design Engineer in Santa Clara, CA. You will lead NPI development, collaborating with cross-functional teams on sheet metal, plastic, and die cast designs. Requires 8+ years of experience, SolidWorks/ProE expertise, and strong tolerance analysis ski...
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United States , Santa Clara
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143100.00 - 231475.00 USD / Year
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Palo Alto Networks Italia
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Principal Ai Software Engineer
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Principal AI Software Engineer at AMD in San Jose, US. Drive hardware-software co-design for next-gen GPU architectures and AI/ML software stacks. Lead performance engineering for large-scale models (LLMs, Diffusion) and collaborate with top hyperscalers. Join a culture of innovation to shape the...
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United States , San Jose
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240000.00 - 360000.00 USD / Year
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AMD
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Sr Principal Software Engineer (Quantum Security)
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Seeking a Sr Principal Software Engineer (Quantum Security) in Santa Clara, CA. You will lead the development of next-gen security solutions, focusing on Post-Quantum Cryptography (PQC) and SSL protocols. Requires 10+ years building large enterprise apps, deep cryptographic knowledge, and cloud-n...
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United States , Santa Clara
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170000.00 - 277000.00 USD / Year
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Palo Alto Networks
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Principal Security Engineer
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Principal Security Engineer sought in Istanbul to lead enterprise and product security strategy. This role requires expertise in ISO27001, SOC2, and SOX, plus cloud security and threat intelligence. You will mentor a talented team, integrate secure coding practices, and drive compliance across a ...
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Turkey , Istanbul
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Not provided
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RedCloud
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Principal Engineer - Data path - HPE Alletra Storage MP X10000 (Object Storage product development)
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Principal Engineer role driving data path architecture for HPE Alletra Storage MP X10000 Object Storage in Bengaluru. Requires 15+ years in storage engineering, delivering V1 products for AI/cloud use cases. Lead end-to-end development, performance tuning, and distributed systems innovation. Enjo...
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India , Bengaluru
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Not provided
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Hewlett Packard Enterprise
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Principal Process Engineer
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Principal Process Engineer role in Tyler, US, seeking an FCC subject matter expert with 12+ years of refining experience. Drive safe, optimized refinery operations using Hysys/Pro/II modeling and catalyst expertise. Mentor junior engineers while maximizing product yield and unit profitability. Be...
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United States , Tyler
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Not provided
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Delek US
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Principal Automation Engineer
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Lead automation engineering for a long-term Oil & Gas downstream contract in Grimsby, UK. This Principal role requires 10+ years of experience with PLC, SCADA, and DCS platforms, plus expertise in FEED, FAT/SAT, and hazardous area standards (ATEX). You will coordinate with Clients and EPCs, ensur...
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United Kingdom , Grimsby
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Not provided
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Airswift Sweden
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About the Principal Engineer role

Explore the pinnacle of technical leadership with Principal Engineer jobs. A Principal Engineer is a master-level technical expert and strategic leader within an engineering organization. This is not merely a senior role; it represents the apex of an individual contributor technical track, where influence, architectural vision, and deep expertise converge to shape the technological future of a company. Professionals in these roles are the go-to authorities for the most complex, high-impact challenges, setting technical standards and driving innovation across multiple teams or the entire organization.

The common responsibilities of a Principal Engineer are vast and critical to long-term success. Typically, they involve defining and driving the long-term technical strategy and architectural vision for major platforms or product suites. They are responsible for researching, prototyping, and selecting technologies that will scale to meet future business needs. A core part of their duties includes leading the design and implementation of complex, cross-functional systems, ensuring they are resilient, secure, and efficient. They serve as the ultimate escalation point for critical production issues, conducting deep-dive analysis and root cause investigations to resolve systemic problems. Furthermore, Principal Engineers have a significant mentorship and governance function, actively coaching senior and staff engineers, establishing best practices, and conducting rigorous code and design reviews to maintain exceptional quality across all engineering outputs. They are also key collaborators, working closely with engineering managers, product leaders, and enterprise architects to align technical execution with business objectives.

The typical skills and requirements for these high-level positions are extensive. A bachelor's or master's degree in computer science, engineering, or a related field is common, though equivalent demonstrable experience is often acceptable. Most roles require a minimum of 10+ years of progressive, hands-on software development or infrastructure engineering experience, with a significant portion spent in lead or architecture-focused positions. Essential technical skills include mastery of relevant programming languages and frameworks, profound knowledge of system design patterns and distributed architectures, and expertise in cloud platforms like AWS, Azure, or GCP. They must possess exceptional analytical and problem-solving abilities to deconstruct ambiguous, complex problems. Beyond technical prowess, superior soft skills are non-negotiable; this includes outstanding communication to articulate technical vision to both technical and non-technical stakeholders, proven leadership and influence without formal authority, and strategic business acumen. For those seeking to define technological frontiers and mentor the next generation of experts, Principal Engineer jobs offer a challenging and highly rewarding career path at the forefront of innovation.