Proofpoint

5 open internship positions for Summer 2026

SoftwareAI & MLlocation_on3 locations

5 positions

SimplifyJobs/Summer2026-Internshipsopen_in_new|Updated Mar 19

Proofpoint Summer 2026 Internship Openings

Proofpoint has 5 open internship positions for Summer 2026 across Software, AI & ML. Positions are available in Toronto, ON, Canada, Sunnyvale, CA, Belfast, UK.

Available Roles

Software Engineer Intern
Workday Analyst Intern
Backend Engineer Intern
Agentic AI Workflows Intern

Hiring Locations

Toronto, ON, CanadaSunnyvale, CABelfast, UK

Preparing for a Proofpoint Interview

Internship interviews at Proofpoint typically include a technical screening followed by coding interviews. Focus on:

Data structures and algorithms — arrays, trees, graphs, dynamic programming.
Research Proofpoint's products and engineering culture.
Practice mock interviews to build confidence under pressure.
Apply early — positions fill on a rolling basis.

Prepare for your Proofpoint interview

Practice with an AI interviewer that simulates real technical interviews.

Try freearrow_forward

arrow_backAll Summer 2026 internships