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Palo Alto Sr Principal Software Engineer Internet Security Systems 
United States, California 
678509137

26.08.2025

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

Your Career

As a key member of our Internet Security Infrastructure team, you will be responsible for designing and developing large scale backend systems. You will participate in all phases of the product development lifecycle from definition, design, through implementation and test. Work closely with security researchers, product managers on new feature requests, QA and DevOps on testing and deployment plans, other engineering teams on all kinds of collaboration.

Your Impact

  • Bring new ideas to develop security disciplines to solve real-world problems

  • Develop key security research infrastructure for researchers and security services

  • Establish a clear technical and architectural vision for key projects

  • Mentor your fellow engineering members

  • Promote best practices such as design reviews, code reviews, secure coding and performance tuning

Your Experience

  • Solid CS fundamentals , and networking knowledge including DNS, HTTP, TCP, IP, UDP.

  • Experience of designing and implementing massive scalable distributed systems

  • Expert level programming in Golang, C, C++, or Rust.

  • Experience of Kubernetes and Containers.

  • Experience of any public cloud platforms. GCP, AWS, OCI are preferred.

  • Experience of data processing frameworks such as Spark, Apache Beam, BigQuery, Dataflow

  • Experience with SQL and No-SQL DB technologies such as PostgreSQL, Redis, HBbase/BigTable, Spanner

  • Communicate at a high level and work well with multi-functional teams towards achieving a common goal.

  • BS or MS Degree in Engineering or Computer Science, related to computer security, application security, information security, network security, or cryptography is preferred or equivalent military experience required

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 $170000/YR - $277000/YR. The offered compensation may also include restricted stock units and a bonus. A description of our employee benefits may be found .

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