Senior Security Engineer, AI

Justworks; New York (NY); On-site; USD 140,000 - 210,000; Full time

Job summary

Justworks is seeking a Senior Security Engineer specializing in AI to drive and execute our AI security strategy and Digital Security objectives. You will build and enhance security for AI systems, evaluate AI threats, and design guardrails to protect data in a Unix-like environment.

This role requires hands-on security architecture and collaboration with product managers, engineers, and risk teams. The ideal candidate has deep experience in AI security, software development, and cloud security

Qualifications

• 5+ years of information security concepts and controls.
• 2+ years securing AI systems and AI threat assessment.
• Background as software engineer, security architect, or security engineer in AWS.
• Experience with secure SDLC, threat modeling, vulnerability management.

Responsibilities

• Research AI threat landscape and AI security controls.
• Evaluate AI tools for governance and security posture.
• Improve existing AI security controls and software designs.
• Collaborate with security engineers to deliver security capabilities.
• Provide architectural guidance on AI to product managers and engineers.
• Execute AI roadmap, implement AI security in AWS and corporate environments.
• Develop AI security architecture and standards across apps and infra.
• Participate in AI R&D to embed security controls before production.
• Drive process improvements with the Digital Technology team.
• Be a cross-functional expert for AI security requirements with engineering and risk teams.
• Assist Cyber Defense Operations in AI security incidents in AWS and internal networks.
• Champion AI implementation to enhance security controls and risk management.

Skills

Info security

AI security

Secure SDLC

DevSecOps

AWS security

Threat modeling

Security architecture

Cloud-native AWS

Scripting

Security tooling

Tools

Vector databases

AI model hosting

Monitoring tools

Claude Code

Cursor

Job description

Who We Are

At the company, you’ll enjoy a welcoming and casual environment, great benefits, wellness program offerings, company retreats, and the ability to interact with and learn from leaders in the startup community. We work hard and care about our most prized asset - our people.

We’re helping businesses get off the ground by enabling them to focus on running their business. We solve HR issues. We’re data-driven and never stop iterating. If you’d like to work in a supportive, entrepreneurial environment, are interested in building something meaningful and having fun while doing it, we’d love to hear from you.

We're united by shared goals and shared motivations at the company. These are best summed up in our company values, which are reflected in our product and in our team.

Our Values

If this sounds like you, you’ll fit right in.

Who You Are

the company is looking for an experienced, hands-on Senior Security Engineer specializing in AI who will drive and execute the company’s AI strategy and Digital Security’s objectives. Our ideal candidate has extensive experience building and enhancing security solutions of AI systems that defends against unique AI threats. You have hands-on experience evaluating the security of software systems containing AI features and have designed guardrails to protect our data against AI specific threats. You also have a deep understanding of the fundamentals of computing and development/coding with Ruby on Rails, JavaScript and/or other languages. An ideal candidate should also have experience in *Nix environment and the use of common cybersecurity tools.

Your Success ProfileWhat You Will Work On

• Research AI treads, AI threat landscape, AI vulnerabilities and remediations and AI security control advancement.

• Evaluate and assess AI tools and play a critical role in AI system management and governance

• Evaluate existing AI security controls and identify opportunities to enhance the security posture and software designs

• Collaborate with other security engineers to bring adequate security capabilities to the company.

• Provide technical and architectural guidance on AI to product managers, product engineers, and corporate IT on digital security.

• Work with the team to execute and deliver on our AI roadmap. This will include but won’t be limited to implementing AI security capabilities in AWS and for corporate.

• Develop AI security architecture and design standards across the company applications and infrastructure to promote a standardized set of security requirements, aligning with internal policies.

• Participates in AI R&D projects and major new AI development initiatives to ensure that appropriate security controls are built into systems prior to production cutover.

• Drive process improvement and control implementation projects in coordination with the larger Digital Technology team at the company.

• Act as a cross-functional tools and services expert, working with engineering and risk teams to build AI security control requirements

• Help Cyber Defense Operations triage incidents as needed especially related to AI security within company internal networks as well as in our production environments in AWS.

• Be the champion for AI implementation within Digital Security, assisting various teams to implement AI models to bring effectiveness and efficiency into security controls, security operations and risk management

How You Will Do Your Work

As a Senior Security Engineer, *how* results are achieved is paramount for your success and ultimately result in our success as an organization. In this role, your foundational knowledge, skills, abilities and personal attributes are anchored in the following:

• Good judgement - the exercise of critical thinking, analyzing and assessing problems and implications, identifying patterns, making connections of underlying issues, understanding risks and developing mitigation strategies, and taking ownership of the outcome.

• Resourcefulness - taking a can-do approach, even in the face of obstacles and constraints by assessing what’s in front of you and effectively and efficiently optimizing what you have, whether it's working on something new or thinking about how to do something better.

• Teamwork and communication - putting our collective best together through documentation, collaboration, relationship-building, listening, empathy, recruiting, and evangelism.

• Influence and leadership - fostering a community of knowledge-sharing, collaboration, mentorship, and forward-thinking.

• Skills and knowledge - the capacity to actively learn and apply specific domain knowledge, know-how, and best practices to continually enhance and improve.

In addition, all Justworkers focus on aligning their behaviors to our core values known as COGIS. It stands for:

• Camaraderie - Day to day you can be seen working together toward a higher purpose. You like to have fun. You’re an active listener, treat people respectfully, and have a strong desire to know and help others.

• Openness - Your default is to be open. You're willing to share information, understand other perspectives, and consider new possibilities. You’re curious, ask open questions, and are receptive to thoughts and feedback from others.

• Grit - You demonstrate grit by having the courage to commit and persevere. You’re committed, earnest, and dive in to get the job done well with a positive attitude.

• Integrity - Simply put, do what you say and say what you'll do. You’re honest and forthright, have a strong moral compass, and strive to match your words with your actions while leading by example.

• Simplicity - Be like Einstein: “Everything should be made as simple as possible, but no simpler.”

Qualifications

• 5+ years experience in information security concepts, common technical security controls, and security architecture design principles, ideally in a SaaS environment

• At least 2+ years of hands-on experience in securing AI systems, evaluating AI threats and implementing AI security controls.

• Background as a software engineer, security architect, or security engineer with experience implementing security controls in AI environments in AWS.

• Experience in setting up and deploying AI engineering tools like vector databases, AI model hosting and monitoring tools and in driving security best practices with AI coding assistants (like Claude Code, Cursor, etc.).

• Solid experience with Secure-SDLC processes and DevSecOps, including secure design, threat modeling, vulnerability management, etc.

• Experience in monitoring AI systems for security threats and vulnerabilities.

• Knowledge of AI/ML technologies, frameworks and platforms.

• Knowledge of regulations and industry best practices related to AI security and data privacy.

• Familiar with secure coding practices and security scanning technologies

• Extensive experience in security architecture, system design, and engineering scalable security solutions in a cloud-native (AWS) environment

• Experience with scripting and automa