Principal Engineer Software, Security; Chronosphere

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!

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. You will be part of a culture that values trust, accountability, and shared success where your work truly matters.

As a hands-on Security Engineer, you will play a crucial role within the infrastructure engineering team. Your responsibilities include defining and building core security engineering efforts to create a foundational security infrastructure used across the entire company. Success in this role requires leveraging a deep understanding of security infrastructure, strong system software development skills, and empathy for other developers. Your goal is to ensure security serves as a shared guardrail, never a bottleneck, regardless of the project.

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 Door Dash, Affirm, and Zillow.

• Design, implement, and work with other engineering teams to operate security tools and programs across the organization, including access control & workflows, vulnerability management, and detection/response systems.

• Collaborate with other engineers and with the business to identify the highest priority needs of the organization, and maintain a roadmap to address those needs.

• Actively participate in design reviews, threat modeling, and incident analysis.

• Help teams make high-quality security decisions, especially in ambiguous situations.

• Set the bar for security, ownership, and quality across engineering.

Required Qualifications

• 10+ years in security or infra-focused engineering roles with meaningful security ownership.

• The ability to independently own projects from inception to delivery.

• A systematic problem-solving approach, coupled with strong communication skills and a sense of ownership and drive.

• Empathy for the problems faced by developers, and a passion for building tools and systems that address those problems.

• Built vulnerability management systems that actually drive risk down.

• Led security incident response efforts and postmortem improvements.

• Strong interest in how things work. Curiosity and persistence is key to building the understanding needed to apply.

• A flexible, collaborative working style. We’re a small team working in a rapidly evolving space, and we’re looking for people who will help build a positive, supportive environment.

Preferred Qualifications

• Experience building foundational security programs at growth-stage companies.

• Familiarity with compliance frameworks, but a healthy skepticism of security theater.

• An outstanding ability to communicate risk with both technical and non-technical audiences.

• Significant experience building infrastructure…