SENIOR APPLIED AI ENGINEER

Horizon3.ai; San Francisco (CA); Remote; USD 150,000 - 200,000; Full time

Job summary

Horizon3.ai seeks a Senior Adversarial AI Engineer to enhance cybersecurity through innovative AI solutions. This fully remote role involves building sophisticated AI systems to identify vulnerabilities and streamline penetration testing methodologies, requiring deep expertise in software development and AI technologies.

Benefits

Flexible vacation policy

Health, vision & dental care

Generous parental leave

Career development opportunities

Inclusive culture

Qualifications

• Expert-level Python programming abilities.
• Experience with AI/ML systems in live environments.
• Strong understanding of web application security fundamentals.

Responsibilities

• Lead development for AI features from concept to deployment.
• Build AI systems to discover vulnerabilities.
• Support and guide team members in their development.

Skills

Python

AI frameworks

Machine learning

Problem-solving

Analytical skills

Education

8+ years in software development

3+ years in AI/ML solutions

Tools

TensorFlow

PyTorch

AWS SageMaker

Azure AI

Job description

Horizon3.ai is a fast-growing, remote cybersecurity company dedicated to the mission of enabling organizations to proactively find and fix and verify exploitable attack vectors before criminals exploit them. Our flagship product, the NodeZeroTM platform, delivers production-safe autonomous pentests and other key assessment operations that scale across the largest internal, external, cloud, and hybrid cloud environments. NodeZero has been adopted by organizations of all sizes, from small educational institutions to government agencies and Global 100 enterprises. It is used by ITOps / SecOps teams, consulting pentesters, and MSSPs and MSPs.

We are a fusion of former U.S. Special Operations cyber operators, startup engineers, and formerly frustrated cybersecurity practitioners. Were committed to helping solve our common security problems : ineffective security tools, false positives resulting in alert fatigue, blind spots, "checkbox” security culture, cybersecurity skills shortage, and the long lead time and expense of hiring outside consultants. Collectively, we are a team of learn it alls, committed to a culture of respect, collaboration, ownership, and results.

What Were Looking For :

Were looking for a Senior Adversarial AI Engineer with deep experience deploying emerging AI technology in production and a demonstrated interest in security . You will have a major impact in how we add value to our customers by using emerging AI technologies and exposing their vulnerabilities. You will lead the creation of innovative AI solutions from specifically designing systems for offensive security operations to building and enhancing our autonomous offensive testing capabilities that identify vulnerabilities across the entire AI application stack and output. This position requires practical expertise in creating, implementing, launching, machine learning systems and an interest in attacking them.

Essential Functions

Build sophisticated AI systems capable of discovering vulnerabilities and streamlining penetration testing methodologies

Research and implement AI-driven vulnerability detection and exploitation methods

Lead complete development lifecycles for AI features from concept through deployment

Design and implement advanced testing capabilities that detect vulnerabilities in AI-native applications

Research and target emerging attack vectors specific to applications developed with AI and implement detection methods

Implement scalable solutions that can use AI to exploit traditional CVEs, credential-based attack paths, and data pilfering vectors

Guide technical conversations, assess code quality, and facilitate design meetings while sharing knowledge to enhance team capabilities

Support and guide less experienced team members, fostering their professional development

8+ years in software development with strong mathematical or statistical background

3+ years proven track record building and deploying AI / ML solutions in live environments

Expert-level Python programming abilities

You’ve shipped and maintained AI / ML systems, not just built prototypes, and ideally in multiple domains

Demonstrated interest in cybersecurity and penetration testing

Knowledge of AI frameworks and machine learning libraries (such as TensorFlow, PyTorch, Hugging Face, OpenAI APIs, and LangChain)

Experience with ML data preprocessing techniques including normalization, feature engineering, and dataset preparation for model training and fine tuning

Experience with cloud AI platforms such as AWS Bedrock, AWS SageMaker, and Azure AI, with ability to implement and optimize solutions across environments

Strong analytical skills and ability to clearly communicate complex security concepts

Comprehensive understanding of various database technologies, including relational and non-relational systems

Desired / Nice to Have

We don’t expect these, but they elevate your application to “unicorn” status.

Background in training specialized machine learning models for security purposes

Experience with and understanding of AI-specific vulnerabilities

Background in AI security offense, testing AI system vulnerabilities, or creating automated security solutions powered by artificial intelligence

Previous experience analyzing security using large language models, conducting penetration testing

Experience with AI red teaming or learning model vulnerabilities

Demonstrated examples of exploiting AI-specific vulnerabilities

Background in AI security offense, testing AI system vulnerabilities, or creating automated security solutions powered by artificial intelligence

Previous experience analyzing security using large language models, conducting penetration testing enhanced by AI technologies, and researching machine learning weaknesses and countermeasures

Outstanding problem-solving aptitude, a “hacker mindset”.

Be self-motivated and highly energetic to have the ability to operate effectively with limited supervision and guidance.

Strong technical documentation and communicationskills.

Ability to manage concurrent initiatives and use effective judgment in prioritization and time management.

Excellent analytical / problem solving ability.

What makes you stand out :

Elevate your application to “unicorn” status :

Experience identifying attack paths across full-stack environments

Background in application security testing, penetration testing, or offensive security

Understanding of web application security fundamentals

Certification(s) demonstrating cybersecurity expertise such as OSCP, CISSP, GPEN, Security+, LPT, or CEH.

Perks of Horizon3.ai

Inclusive Team : We value diversity and promote an inclusive culture where everyone can thrive.

Growth Opportunities : Be part of a dynamic and growing team with numerous career development opportunities.

Innovative Culture : Work in a collaborative environment that encourages creativity and out-of-the-box thinking.

Remote Work : We are a 100% remote company. Enjoy the convenience and work-life balance that comes with remote work.

Competitive Compensation : We offer competitive salary and benefits which includes health, vision & dental care for you and your family, a flexible vacation policy, and generous parental leave.

You Belong Here

Horizon3 is not just an equal opportunity employer - we are a community that values diversity, equity, and inclusion as fundamental principles of our culture and success. We are dedicated to fostering a workplace where everyone feels welcome and respected, regardless of race, color, religion, sex, national origin, age, disability, veteran status, sexual orientation, gender identity or expression, genetic information, marital status, or any other legally protected status by law.

Our commitment to diversity and inclusion means we strive to attract, develop, and retain a workforce that reflects the varied communities we serve. We believe that diverse perspectives drive innovation and strengthen our ability to create cutting-edge cybersecurity solutions. At Horizon3, every team member is valued and supported in an environment that encourages personal and professional growth.

We welcome candidates from all backgrounds and experiences, and we encourage all qualified individuals to apply. Come be a part of Horizon3, where your unique contributions are recognized, and your potential is limitless.

Other Duties

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee. Duties, responsibilities, and activities may change at any time with or without notice.

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