Security Platform Engineer

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

Security Platform Engineer Role Summary The Security Platform Engineer is a hybrid role responsible for providing managed application support for Proofpoint email security platforms (PPS, TAP, TRAP/CTR) while also supporting the AWS infrastructure hosting these services.

The engineer serves as the AWS Subject Matter Expert (SME) within the Managed Threat Protection Services (MTPS) team and partners closely with Professional Services and internal infrastructure teams during deployment and steady-state operations.

Key Responsibilities Proofpoint Security Platform Support Provide operational support for Proofpoint email security platforms including PPS, TAP, and TRAP/CTR Monitor platform health, alerts, and service performance

Troubleshoot application and configuration issues

Implement customer requests such as policy updates, routing changes, and feature enablement

Act as an escalation point for complex customer and platform issues

Participate in on‑call rotation and incident response

Collaborate with Engineering and Professional Services during customer onboarding and transitions to steady‑state support

AWS Infrastructure Support & SME Responsibilities Serve as the primary AWS Subject Matter Expert for the MTPS team Support and troubleshoot AWS infrastructure hosting Proofpoint services, including:

EC2 instances and Auto Scaling

VPCs, subnets, routing, and security groups

Application and Network Load Balancers

S3 and EBS storage

IAM roles, policies, and permissions

Cloud

Watch metrics, logs, and alarms

Perform initial triage of AWS‑related incidents and coordinate escalation to internal infrastructure teams when required

Validate infrastructure health during and after deployments led by Professional Services Support approved infrastructure changes following established change management processes

Create and maintain AWS operational documentation and runbooks for MTPSIdentify reliability, monitoring, and security gaps and recommend improvements

Qualifications

Required5+ years of experience in security engineering, managed services, or enterprise technical support

Hands‑on experience supporting Proofpoint email security platforms in production environments

Operational experience supporting AWS‑based infrastructure

Strong understanding of networking fundamentals (TCP/IP, DNS, routing, firewalls)
Experience supporting Linux and Windows systems

Strong troubleshooting, documentation, and communication skills

Preferred

AWS certification (Solutions Architect – Associate, Sys Ops Administrator, or equivalent)
Experience supporting SaaS or managed security services in AWS Scripting or automation experience (Python or Bash)
Industry certifications such as Security+, Network+, or CISSP#LI-PH1

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…