Staff Offensive Security Engineer
New
G
GreenlightFintech, Cybersecurity
Atlanta (Remote Friendly)Full-TimeStaff
Salary not disclosed
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Job Details
- Experience
- 8+ years
- Required Skills
- Node.jsPythonBashKubernetesGoCI/CD
Requirements
- 8+ years of experience in offensive security, red teaming, or penetration testing.
- Proven track record of uncovering critical vulnerabilities in complex environments.
- Deep understanding of AWS security architecture, including IAM bypass and container escapes (Kubernetes).
- Experience with manual code review in Node.js, Python, or Go.
- Proficiency in bypassing modern web and mobile security controls.
- Ability to script in Python, Bash, or Go to automate exploitation chains or CI/CD security integration.
- Strong strategic communication skills to translate technical risks into business impact.
- Ethical, curious, and persistent problem-solving mindset.
- Experience mentoring and collaborating across R&D organizations.
- OSCP, OSCE, or GXPN certifications are valued.
Responsibilities
- Define the long-term vision for offensive security, moving beyond point-in-time testing to continuous security validation.
- Design and execute complex, multi-stage adversary simulations targeting cloud infrastructure, mobile applications, and internal corporate environments.
- Conduct deep-dive vulnerability research to identify zero-day vulnerabilities or sophisticated logic flaws.
- Partner with DevOps and Engineering to build automated security guardrails and self-healing infrastructure.
- Perform purple team exercises to validate and improve detection and response alert coverage.
- Mentor senior and mid-level engineers to foster a culture of security-minded development.
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