Site Reliability Engineer III

Remote, USA
Posted Jun 12, 2026
Full-time

About Us:
 
Proofpoint is a global leader in human- and agent-centric cybersecurity. We protect how people, data, and AI agents connect across email, cloud, and collaboration tools. Over 80 of the Fortune 100, 10,000 large enterprises, and millions of smaller organizations trust Proofpoint to stop threats, prevent data loss, and build resilience across their people and AI workflows. Our mission is simple: safeguard the digital world and empower people to work securely and confidently. Join us in our pursuit to defend data and protect people.

How We Work:

At Proofpoint you’ll be part of a global team that breaks barriers to redefine cybersecurity guided by our BRAVE core values: 

Bold in how we dream and innovate
Responsive to feedback, challenges and opportunities
Accountable for results and best in class outcomes
Visionary in future focused problem-solving
Exceptional in execution and impact
The Role
 
We are looking for a skilled Site Reliability Engineer (SRE) to join our team and help build, deploy, scale, and operate highly reliable distributed systems.

You will play a key role in deploying and managing platforms across multiple regions, ensuring high availability, scalability, and performance.
 
Your day-to-day
Deploy, manage, and scale distributed platforms across multiple geographic regions 

Design and maintain Kubernetes-based infrastructure for large-scale applications 

Build and manage Helm charts for efficient and repeatable deployments 

Monitor system health using Grafana dashboards and metrics; proactively identify and resolve issues 

Improve system reliability, performance, and scalability through automation and best practices 

Handle large-scale deployments and improve infrastructure for growth 

Collaborate with development teams to ensure smooth CI/CD and production readiness 

Implement observability, alerting, and incident response processes 

Troubleshoot production issues and perform root cause analysis 

Write and maintain run books for incident response  

Required Qualifications
4–5 years of experience in Site Reliability Engineering, DevOps, or similar roles 

Hands-on experience with Kubernetes in production environments 

Proven experience with infrastructure as code (Terraform, git...) 

Experience with AWS (eks, vpc, s3, ecr, iam role etc) 

Solid experience with Helm charts for application deployment 

Bash scripting and tools automation experience

Experience with large-scale distributed systems and high-availability architectures 

Strong understanding of containerization, micro-services, and cloud-native ecosystems 

Experience with CI/CD pipelines and automation tools 

Good debugging and problem-solving skills in production environments 

Preferred Skills 
Proficiency in at least one of the following: Golang, Python,

Experience building and managing Grafana dashboards and metrics

Knowledge of monitoring and observability stacks (Prometheus, Loki, etc.)

Experience with multi-region deployments and global infrastructure

#LI-CBI
Why Proofpoint?

At Proofpoint, we believe that an exceptional career experience includes a comprehensive compensation and benefits package. Here are just a few reasons you’ll love working with us:

Competitive compensation

Comprehensive benefits

Career success on your terms

Flexible work environment

Annual wellness and community outreach days

Always on recognition for your contributions

Global collaboration and networking opportunities

 
Our Culture:

Our culture is rooted in values that inspire belonging, empower purpose and drive success-every day, for everyone.
We encourage applications from individuals of all backgrounds, experiences, and perspectives. If you need accommodation during the application or interview process, please reach out to accessibility@proofpoint.com.
 
How to Apply

Interested? Submit your application along with any supporting information- we can’t wait to hear from you!

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