Senior Principal Backend Engineer: Scale Cyber Infrastructure

Jobs Paloaltonetworks; United Kingdom; Hybrid; GBP 110,000 - 170,000; Full time

Job summary

Palo Alto Networks is seeking a Senior Principal Backend Engineer to join the Cortex team to prevent, detect, and respond to runs on an integrated endpoint, network and cloud data. You will reduce noise and focus on real threats while collaborating with the industry’s leading cyber products.

You will drive the complete software development life cycle, writing clean, scalable code and shaping Autonomous SOC strategies and execution for real-world impact.

Qualifications

• 9+ years of software engineering experience.
• Experience in distributed cloud products.
• Experience with database technologies (MySQL, Cassandra, Google BigQuery, Amazon Redshift, ElasticSearch).
• Experience in designing, building and maintaining a scalable server-side application.
• Experience with Agentic tools (Cursor, Claude Code, Codex, Opencode).
• BSc in Computer Science or equivalent knowledge or equivalent military experience required.
• Experience in Go / Python - an advantage.
• Experience with GCP - advantage.
• Knowledge of graph databases - advantage.
• Experience with Kubernetes/Docker - advantage.
• Knowledge of the cyber field - advantage.

Responsibilities

• You will design and build an infrastructure that supports billions of events per second, storing, processing and making them accessible and visible to the user while collaborating with the industry’s leading cyber products.
• You will be responsible for the complete software development life cycle including requirement analysis, design, development, deployment, and support.
• You will write clean, testable, readable, fast and maintainable code that is efficient and scalable.
• Drive the inception, strategy and execution of our autonomous investigation and response solution (Autonomous SOC)

Skills

Software engineering

Distributed cloud

Go/Python

Education

BSc in Computer Science

Tools

MySQL

Cassandra

Google BigQuery

Amazon Redshift

ElasticSearch

Kubernetes

Docker

Cursor

Claude Code

Codex

Opencode

Job description

Palo Alto Networks is seeking a Senior Principal Backend Engineer to join the Cortex team to prevent, detect, and respond to runs on an integrated endpoint, network and cloud data. You will reduce noise and focus on real threats while collaborating with the industry’s leading cyber products.

You will drive the complete software development life cycle, writing clean, scalable code and shaping Autonomous SOC strategies and execution for real-world impact.