Security Platform Engineer

Proofpoint

Security Platform Engineer providing managed application support for Proofpoint email security platforms and AWS infrastructure. Act as AWS Subject Matter Expert in the Managed Threat Protection Services team.

Posted 4/24/2026full-timeMissouri, Pennsylvania, Tennessee, Texas, Utah • 🇺🇸 United StatesMid-LevelSenior💰 $111,300 - $174,900 per yearWebsite

Tech Stack

Tools & technologies

AWSDNSEC2FirewallsLinuxPythonTCP/IP

About the role

Key responsibilities & impact

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
Serve as the primary AWS Subject Matter Expert for the MTPS team
Support and troubleshoot AWS infrastructure hosting Proofpoint services, including EC2 instances, Auto Scaling, VPCs, subnets, routing, and security groups
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 MTPS
Identify reliability, monitoring, and security gaps and recommend improvements

Requirements

What you’ll need

5 + 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
AWS certification (Solutions Architect – Associate, SysOps Administrator, or equivalent) preferred
Experience supporting SaaS or managed security services in AWS preferred
Scripting or automation experience (Python or Bash) preferred
Industry certifications such as Security+, Network+, or CISSP preferred

Benefits

Comp & perks

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

ATS Keywords

✓ Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

Proofpoint email security platformsAWS infrastructureEC2Auto ScalingVPCsLinux systemsWindows systemsscriptingPythonBash

Soft Skills

troubleshootingdocumentationcommunicationcollaborationincident responsecustomer supportescalation managementoperational supportpolicy updatesfeature enablement

Certifications

AWS Solutions Architect – AssociateAWS SysOps AdministratorSecurity+Network+CISSP