Senior Security Engineer

The role

You will probe AI systems, infrastructure, and applications for weaknesses to keep members' financial lives safe. You will work with engineers to fix vulnerabilities and build automated tools to scale security efforts.

What you will do

• Probe AI systems, infrastructure, and applications for weaknesses
• Work directly with engineers to fix identified vulnerabilities
• Close gaps in threat detection and response
• Identify threats related to AI training pipelines, inference systems, and model architectures
• Build automated tools to scale security work
• Contribute to measuring security as a program
• Help the engineering team raise security instincts
• Demonstrate risks through proof of concept and remediation plans

Required qualifications

• 6+ years of professional security engineering experience
• Deep hands-on experience with offensive security: red teaming, penetration testing, or vulnerability research
• Experience assessing cloud infrastructure security
• Ability to develop custom tools and automation for security testing (Python, Go, or similar)
• Experience analyzing and exploiting web application vulnerabilities
• Strong understanding of threat actor techniques, tactics, and procedures
• Ability to translate technical security findings into clear, actionable recommendations for engineering teams
• Bachelor's degree in Computer Science, Cybersecurity, or a related field, or equivalent practical experience

Nice to have

• Experience with AI/ML system security: training pipelines, inference systems, model architectures
• Familiarity with AI-specific attack vectors such as prompt injection, model poisoning, or data extraction
• Fintech or financial services security experience
• Experience building security metrics and reporting frameworks
• Startup experience
• Relevant certifications (OSCP, OSCE, GXPN, or similar)

Benefits

• 100% employer-covered medical insurance for employees (75% for dependents)
• Dental and vision coverage
• 401(k) retirement savings program
• Paid Time Off and most federal holidays
• Comprehensive parental leave policy
• Select meals covered throughout the week
• Monthly movement stipend
• Early exercise eligibility
• Focus on professional development
• Annual salary and equity refreshes based on performance
• Boomerang Program: hold your spot for 6 months after two years to start your own company

About the company

Range is building AI-powered wealth management including investments, taxes, retirement, and estate planning. The company is backed by Google's Gradient Ventures, Cathay Innovation, Scale Venture Partners, and more.