Principal Engineer

Our MissionAt 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. Who We AreIn order to be the cybersecurity partner of choice, we must trailblaze the path and shape the future of our industry. We weave AI into the fabric of everything we do and use it to augment the impact every individual can have. This role is remote, but distance is no barrier to impact. Our hybrid teams collaborate across geographies to solve big problems, stay close to our customers, and grow together. Job SummaryThe Team Chronosphere, a Palo Alto Networks company, is the observability platform built for control in the modern, containerized world. Chronosphere empowers customers to focus on the data and insights that matter by reducing complexity, optimizing costs, and remediating issues faster. Chronosphere reduces data volumes and associated costs by 84% on average while saving developers thousands of hours. Recognized as a leader by major analyst firms, Chronosphere is trusted by the world's most innovative brands, including DoorDash, Affirm, and Zillow.
Job SummaryWe're looking for an Infrastructure Engineer to build developer tooling that enables developer velocity and reliability for the entire engineering organization. Our team owns the full end-to-end development lifecycle, from local development tools, CI/CD, dynamic testing environments, deployments, and releases. You’ll be working with the latest cloud-native technologies as you build an infrastructure platform that enables the engineering organization to deliver observability for some of the largest technology companies.

Key Responsibilities
Architect & Build: Design and maintain high-scale developer tooling and backend services that improve productivity and reliability across a distributed cloud environment. We operate in a 100% modern, cloud-native ecosystem, and you will work exclusively with ephemeral infrastructure and containerized microservices.
You will define, deploy, and manage entire environments using declarative IaC (Terraform), ensuring our platform is reproducible and version-controlled.
Drive Systemic Quality: Identify and eliminate systemic bottlenecks in the software development lifecycle (SDLC) through architectural changes or advanced tooling.
Ensure our infrastructure remains resilient under massive traffic loads while optimizing for performance, cost-efficiency, and near-real-time telemetry processing.
Strong experience in at least one backend language (e.g., Go, Java, Python, or Rust). Strong proficiency in at least one backend language (e.g., Go, Java, Python, or Rust). Deep Systems Expertise: You go beyond "using" the cloud; you understand how it works. Cloud-Native: A solid understanding of cloud-native concepts and experience working with cloud providers like AWS or GCP. You should be comfortable navigating Kubernetes and container-level logic.
Deep knowledge of Linux internals, process management, and resource isolation.
Networking & Security: Experience building and debugging systems that deal with CAP theorem trade-offs, eventual consistency, and distributed tracing.
You take ownership of features from local development through to basic testing and delivery.
Analytical Debugging & Quality: The ability to debug your own code efficiently using logs and tests, while proactively identifying edge cases (like nulls or limits) during the design phase.
AI-Native Development: You embrace the future of engineering. Experience or interest in using AI coding assistants (like Cursor or Claude) to improve productivity and automate boilerplate tasks.
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 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.
Please note that we will not sponsor applicants for work visas for this position.
Seville, SpainType: Full time