Security Engineer II: Open-Source & Supply Chain Defender

NEPSE Trading; Northern (KY); Hybrid; USD 120,000 - 180,000; Full time

Job summary

CrowdStrike is seeking a Security Engineer II to strengthen the security of our open-source footprint and upstream dependencies. You will assess risks, design controls, and implement repository guardrails across GitHub organizations, while monitoring for malicious packages and automating security checks.

You will collaborate on cross-cutting projects to harden internal and public-facing code repositories, and you will apply secure coding practices and SDLC knowledge in a remote-friendly

Qualifications

• Experience implementing and monitoring software security systems.
• Strong working experience with GitHub, including repository administration, GitHub Actions, branch protection rules, and access management.
• Familiarity with other source control management tools (e.g., BitBucket, GitLab)
• Familiarity with artifact storage tools like Artifactory and S3.
• Experience identifying and mitigating open-source risks (SCA, dependency management, licensing risks).
• Experience working with and securing configurations of Linux and/or other Unix-like variants.
• Proficiency in one or more common scripting languages, such as Python, Golang, Shell, or JavaScript, to automate security checks.
• Domain knowledge of the software development lifecycle (SDLC), secure coding practices, code reviews, and source control security.
• Collaborative mindset with experience contributing to cross-team security projects and initiatives.
• Experience utilizing AI technologies to enhance decision-making, streamline workflows, or automate vulnerability triage.
• Efficient communicator with strong writing skills, comfortable working in a remote environment.
• Proven experience utilizing AI technologies to enhance decision-making, streamline workflows and processes, improve efficiency and drive business outcomes.

Responsibilities

• Assess risk and provide security guidance to engineers across the company on open-source software usage and repository configurations.
• Implement and maintain controls and processes to secure public and private GitHub organizations, including repository guardrails and secret scanning.
• Harden open-source code usage, development, ingestion, and distribution across the enterprise.
• Investigate open-source dependencies and third-party packages to mitigate supply chain risks (e.g., typosquatting, dependency confusion).
• Advocate for secure coding and open-source compliance practices to the wider engineering organization.
• Contribute to the delivery of security initiatives aimed at hardening CrowdStrike’s software supply chain and code-hosting environments.

Skills

GitHub administration

GitHub Actions

Branch protection

Access management

Open-source risk assessment

Python

Golang

Shell

JavaScript

Linux

Secure coding

Tools

Artifactory

S3

Splunk

DataDog

LogScale

Prometheus

Jenkins

Argo CD

Job description

CrowdStrike is seeking a Security Engineer II to strengthen the security of our open-source footprint and upstream dependencies. You will assess risks, design controls, and implement repository guardrails across GitHub organizations, while monitoring for malicious packages and automating security checks.

You will collaborate on cross-cutting projects to harden internal and public-facing code repositories, and you will apply secure coding practices and SDLC knowledge in a remote-friendly