Senior Security Engineer Jobs in Denver, Colorado

15 open Senior Security Engineer jobs in Denver, Colorado at 8 companies, including Fastly, Amazon and Klaviyo. Updated daily from company career pages.

Fastly

Fastly helps digital businesses keep pace with their customer expectations by delivering secure and online experiences.

Amazon

Amazon is an e-commerce website for consumers, sellers, and content creators.

Klaviyo

Klaviyo is an automation and email platform designed to help grow businesses.

Robinhood

Robinhood is a stock brokerage that allows customers to buy and sell stocks, options, ETFs, and cryptocurrencies with zero commission.

U.S. Bancorp

U.S. Bancorp is a financial holding company, offers banking, investment, mortgage, trust, and payment services and products for its clients

Blue Origin

Blue Origin is an aerospace company that focuses on lowering the cost of spaceflight and helping to explore the solar system.

Karbon

Karbon is a workstream collaboration platform for growing teams and enterprises to combine emails, discussions, tasks, and workflows.

True Anomaly

True Anomaly develops space security technologies using AI, software, and spacecraft to enhance global security and sustainability.

Updated 2026-10-10.