Senior Principal Software Engineer (Cortex Platform)

Jobs Paloaltonetworks; United States; Hybrid; USD 184,000 - 297,000; Full time

Job summary

Palo Alto Networks is seeking a Senior Principal Backend Engineer to lead the Cortex backend, shaping data pipelines, analytics, and APIs for Cortex XSOAR, XDR, and XSIAM. You will drive scalable architectures, mentor engineers, and collaborate with product and UX teams to deliver industry-leading security solutions.

The role emphasizes a can-do attitude, solving complex cybersecurity challenges, and contributing to shared infrastructures across a fast-paced, innovative team in a hybrid work

Qualifications

• Bachelor's or Master's degree in Computer Science, Computer Engineering, or a related technical field.
• 14+ years of professional software engineering experience, with a focus on distributed, cloud-native application development.
• Expert-level programming skills in Python, Go, or Java, with proven experience building large-scale distributed systems.
• Extensive experience with cloud development, including REST APIs, databases, serverless computing, and microservices architectures.

Responsibilities

• Serve as a technical leader, providing consultation and cross-team collaboration.
• Drive end-to-end project lifecycle from requirements to design and implementation, as a project lead or mentor.
• Align work across product, UX design, and engineering stakeholders.
• Identify and mitigate risks to ensure quality and timely delivery.
• Design, build, and optimize scalable data models and queries (MySQL, BigQuery).
• Develop backend services using Python (Flask) and Go; ensure high performance of APIs.

Skills

Python

Go

Java

Education

Bachelor's degree in Computer Science/Engineering

Master's degree (preferred)

Tools

ElasticSearch

Google Pub/Sub

Job description

Our Mission

At Palo Alto Networks®, we’re united by a shared mission—to protect our digital way of life. We thrive at the intersection of innovation and impact, solving real-world problems with cutting-edge technology and bold thinking. Here, everyone has a voice, and every idea counts. If you’re ready to do the most meaningful work of your career alongside people who are just as passionate as you are, you’re in the right place.

In order to be the cybersecurity partner of choice, we must trailblaze the path and shape the future of our industry. This is something our employees work at each day and is defined by our values: Disruption, Collaboration, Execution, Integrity, and Inclusion. We weave AI into the fabric of everything we do and use it to augment the impact every individual can have. If you are passionate about solving real-world problems and ideating beside the best and the brightest, we invite you to join us!

We believe collaboration thrives in person. That’s why most of our teams work from the office full time, with flexibility when it’s needed. This model supports real-time problem-solving, stronger relationships, and the kind of precision that drives great outcomes.

Job Summary

The Team

Cortex - Cortex is a world-leading cybersecurity platform that provides comprehensive security solutions to protect organizations from advanced threats. Our team is responsible for developing and maintaining the core components of the Cortex platform, including the data pipeline, analytics engine, and user interface. We are a fast-paced and innovative team that is passionate about building the best security products in the world.

As a Senior Principal Backend Engineer in our Cortex group, you will be a key technical leader responsible for developing, innovating, and scaling the backend of our industry‑leading products, including Cortex XSOAR, XDR, and XSIAM. You will focus on the Cortex Platform and contribute to shared infrastructures, tackling complex problems to deliver significant value to thousands of customers.

This role requires a can-do attitude and a passion for solving the most challenging cybersecurity threats.

Key Responsibilities

• Serve as an acknowledged technical leader, providing consultation and proactively collaborating across engineering teams to ensure alignment.
• Drive the full lifecycle of projects from requirements gathering to final design and implementation, acting as a project lead or mentor.
• Lead the alignment of planned work across the product by partnering with product management, UX design, and engineering stakeholders.
• Utilize a big‑picture perspective to identify, analyze, and provide practical solutions for complex existing and impending technical problems.
• Design, build, and optimize highly scalable data models and queries using technologies such as MySQL and BigQuery, focusing on the details to ensure performance.
• Develop robust business logic and API endpoints using Python and Flask, and build high-performance backend services using Go.
• Proactively identify, articulate, and mitigate risks in projects to ensure smooth execution and high-quality output.
• Mentor and empower other engineers across the department, fostering a culture of technical excellence and applied learning.

Qualifications

Required Qualifications

• Bachelor's or Master's degree in Computer Science, Computer Engineering, or a related technical field.
• 14+ years of professional software engineering experience, with a focus on distributed, cloud-native application development.
• Expert‑level programming skills in Python, Go, or Java, with proven experience building large‑scale distributed systems.
• Extensive experience with cloud development, including REST APIs, databases, serverless computing, and microservices architectures.
• Demonstrated experience as a hands‑on technical lead or architect on complex software projects.

Preferred Qualifications

• 8+ years of hands‑on experience with specific cloud technologies such as ElasticSearch, Google Pub/Sub, or similar.
• Deep understanding of public cloud design considerations, including security, global network infrastructure, and load balancing.
• Proven ability to make data‑driven trade‑off judgments and excellent troubleshooting skills to isolate and resolve complex issues.
• Experience working in an agile environment with cross‑functional teams to deliver full‑stack products at scale.

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Compensation Disclosure

$183,600.00 - $297,000.00/yr

Our Commitment

We’re trailblazers that dream big, take risks, and challenge cybersecurity’s status quo. It’s simple: we can’t accomplish our mission without diverse teams innovating, together.

We are committed to providing reasonable accommodations for all qualified individuals with a disability. If you require assistance or accommodation due to a disability or special need, please contact us at [e-mail].

Palo Alto Networks is an equal opportunity employer. We celebrate diversity in our workplace, and all qualified applicants will receive consideration for employment without regard to age, ancestry, color, family or medical care leave, gender identity or expression, genetic information, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran status, race, religion, sex (including pregnancy), sexual orientation, or other legally protected characteristics.

All your information will be kept confidential according to EEO guidelines.

Is role eligible for Immigration Sponsorship?: Yes