> Markdown version of [/jobs/ext/3539900-staff-security-engineer-application-security-in-united](https://www.wearedevelopers.com/jobs/ext/3539900-staff-security-engineer-application-security-in-united). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Staff Security Engineer - Application Security in United - **Company:** Energy Jobline - **Location:** United States - **Contract:** Permanent contract - **Skills:** Programming Tools, Dynamic Program Analysis, Python (Programming Language), Software Engineering, Software Security, Production Code, Vulnerability Analysis - **Published:** October 2, 2026 - **Apply:** https://www.energyjobline.com/job/staff-security-engineer-application-security-united-31815641 ## About the Role Strong software engineering ability is important. Python, Go or similar backgrounds are relevant, along with the ability to read and reason about production code across different and architectures. ## Description We're interested in engineers who have built things like security scanners, static or dynamic analysis systems, vulnerability research platforms, automated threat-modeling systems, AppSec developer tooling, security agents or other security products.