Senior AppSec Engineer - Remote, Own Scalable Security

Unknown; United States; Remote; USD 183,000 - 215,000; Full time

Benefits offered by this job

Equity

Annual bonus potential

Remote-first culture

Job summary

Unknown is seeking a senior security engineer to protect applications, infrastructure, and software systems at scale. You will take ownership of application security programs and partner closely with engineering and infrastructure teams to build resilient systems.

Key responsibilities include owning SIEM configuration, conducting architecture reviews, performing penetration tests of web and mobile apps, and driving vulnerability management and CI/CD security controls.

Qualifications

• Advanced proficiency in at least one programming language such as Ruby, Java, Python, C#, or Node.js.
• Strong hands‑on experience with SIEM platforms, Docker, Kubernetes, and cloud environments.
• Deep understanding of application security testing methodologies including SAST, DAST, and IAST.

Responsibilities

• Own SIEM configuration, tuning, monitoring, and alert development to identify and respond to threats.
• Conduct security architecture reviews, code reviews, and penetration testing of web and mobile applications.
• Develop and maintain vulnerability management processes and CI/CD security controls.

Skills

Ruby

Java

Python

C#

Node.js

Tools

Docker

Kubernetes

Cloud environments

Job description

Unknown is seeking a senior security engineer to protect applications, infrastructure, and software systems at scale. You will take ownership of application security programs and partner closely with engineering and infrastructure teams to build resilient systems.

Key responsibilities include owning SIEM configuration, conducting architecture reviews, performing penetration tests of web and mobile apps, and driving vulnerability management and CI/CD security controls.