Sr. Software Engineer

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

The Role Proofpoint is looking for a highly motivated Sr. Software Engineer to join the Threat Response product engineering team. As part of the Threat Response team, you will help design, build, and operate the cloud platform that powers our services. This role is ideal for an engineer who enjoys software development while also taking ownership of cloud architecture, infrastructure scalability, reliability, security, and operational excellence. The ideal candidate has strong software engineering experience combined with practical expertise in cloud platforms and large-scale production environments.

What You’ll Work On

Designing and operating scalable cloud platforms that support a global multi-tenant SaaS environment

Building highly available and resilient architectures that support business continuity and disaster recovery objectives

Designing secure networking solutions across AWS environments, regions, and accounts

Managing containerized application platforms and deployment pipelines

Driving operational excellence through observability, monitoring, automation, and reliability engineering practices

Supporting database operations, upgrades, migrations, and platform scalability initiatives.

What You Bring to the Team

Proven experience building enterprise or SaaS applications in Java and/or Python, including large-scale, highly available, secure cloud-native platforms

Hands-on AWS networking and security experience, including VPCs, CIDR planning, Security Groups, cross-account IAM, secure connectivity between environments, disaster recovery, and regional failover

Working knowledge of Terraform, including writing and maintaining modules, managing state, and safely executing plan/apply operations in shared environments

Experience operating Kubernetes-based platforms and modern CI/CD pipelines in production environments

PostgreSQL or other relational database experience, including upgrades, migrations, performance tuning, backup, recovery, and scalability

Demonstrated ability to effectively leverage AI-assisted engineering tools for system design, implementation, testing, debugging, and operational support

Strong analytical, problem-solving, communication, and collaboration skills

BSc degree in Computer Science, Engineering, or equivalent practical experience