Sr Principal Engineer Software (WildFire)

Palo Alto Networks
Santa Clara, CA

Company Description

Our Mission

At Palo Alto Networks® everything starts and ends with our mission:

Being the cybersecurity partner of choice, protecting our digital way of life.

Our vision is a world where each day is safer and more secure than the one before. We are a company built on the foundation of challenging and disrupting the way things are done, and we’re looking for innovators who are as committed to shaping the future of cybersecurity as we are.

Who We Are

We take our mission of protecting the digital way of life seriously. We are relentless in protecting our customers and we believe that the unique ideas of every member of our team contributes to our collective success. Our values were crowdsourced by employees and are brought to life through each of us everyday - from disruptive innovation and collaboration, to execution. From showing up for each other with integrity to creating an environment where we all feel included.

As a member of our team, you will be shaping the future of cybersecurity. We work fast, value ongoing learning, and we respect each employee as a unique individual. Knowing we all have different needs, our development and personal wellbeing programs are designed to give you choice in how you are supported. This includes our FLEXBenefits wellbeing spending account with over 1,000 eligible items selected by employees, our mental and financial health resources, and our personalized learning opportunities - just to name a few!

At Palo Alto Networks, we believe in the power of collaboration and value in-person interactions. This is why our employees generally work full time from our office with flexibility offered where needed. This setup fosters casual conversations, problem-solving, and trusted relationships. Our goal is to create an environment where we all win with precision.

Job Description

Your Career

As a Principal Software Engineer, you will play a key role in the design and implementation of our Threat Intelligence Services for public and private cloud features. Participate in all phases of the product development lifecycle from definition, design, through implementation and test.

Bring your software engineering expertise to work on our cutting edge malware detection platform, WildFire. Participate in the design, deployment and scaling of our architecture as we transform it by using cloud native solutions on GCP. Lead the redesign of the architecture to introduce appropriate microservices to process high rates of sample submissions.

Your Impact

  • Bring new ideas to develop security disciplines to solve real-world problems
  • Design and implement real-time security services to our customers
  • Establish a clear technical and architectural vision for key projects
  • Collaborate closely with the product managers, architects and dev-ops to achieve quality releases
  • Make appropriate trade-offs to optimize time-to-release while maintaining performance and scalability requirements
  • Play a key role design/re-design by using cloud native GCP solutions
  • Promote best practices such as design reviews, code reviews, secure coding and performance tuning
  • Mentoring junior developers

Qualifications

Your Experience

  • Hands-on, principal level software engineer implementing massively scalable platforms leveraging cloud technologies and distributed systems
  • Advanced level programming in Python, GoLang
  • Experience designing microservices architecture using containerization technologies like Docker or Kubernetes
  • Demonstrated experience working with Public Cloud Services such as AWS or GCP and designing cloud-native solutions
  • Knowledge of the DevOps workflow
  • Exposure to using configuration management tools such as Ansible and/or Terraform
  • Experience with data infrastructure platforms
  • Experience with SQL and No-SQL DB technologies such as MySQL, Redis, BigTable, BigQuery
  • Experience with the queuing system such as RabbitMQ or Kafka or PubSub
  • Experience with multi-threads and multi-processes achieving a common goal.
  • Experience in leading and doing big projects end to end
  • Excellent communication and collaboration skills required.
  • BS/MS in Computer Science, Computer Engineering or related field or equivalent military experience required

Additional Information

The Team

We are the Threat Prevention and Cloud Service Infrastructure team. We are at the core of our products and deliver the best of security services in the cloud to prevent cyberattacks. We are constantly innovating and challenging the way we, and the whole industry, think about cybersecurity.

Compensation Disclosure

The compensation offered for this position will depend on qualifications, experience, and work location. For candidates who receive an offer at the posted level, the starting base salary (for non-sales roles) or base salary + commission target (for sales/commissioned roles) is expected to be between:$147000/YR - $225500/YR. The offered compensation may also include restricted stock units and a bonus. A description of our employee benefits may be found here .

Our Commitment

We’re problem solvers that 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 [email protected] .

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.

Posted 2026-02-13

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