Principal jobs at Lilly

Open Principal roles

• Principal - Engineer - Process (Environmental Controls)

  Houston, US

  Posted Nov 9, 2026

• Principal - Engineer - Electrical

  Houston, US

  Posted Nov 9, 2026

• Principal - Engineer - Process (Critical Utilities)

  Houston, US

  Posted Nov 9, 2026

• (Sr. / Principal) Engineer - EG Process

  Suzhou, CN

  Posted Nov 6, 2026

• Principal - QA API External Manufacturing Peptides

  Indianapolis, US

  Posted Aug 26, 2026 · listed 2 times

Where Lilly is hiring Principal

• Houston, US 5 open roles
• Suzhou, CN 2 open roles
• Indianapolis, US 1 open role
• Katwijk, NL 1 open role
• Richmond, US 1 open role

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Prepare your Principal application

• Behavioral interview questions: 30 examples and how to answer them
• STAR method answer generator
• Principal salaries across employers

Free tools for Principal applications

• Resume passive voice checker
• Short cover letter generator
• Interview thank you email generator
• Out of office message generator
• Layoff announcement post generator

Guides

• How to follow up on a job application (with email templates)
• How to write a cover letter that gives a clear reason to interview you
• Interview preparation: a step-by-step plan you can actually rehearse

Free tools and comparisons

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