Justworks
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Senior Security Engineer (AI Security)
role at
Justworks .
Who We Are At Justworks, you’ll enjoy a welcoming and casual environment, great benefits, a wellness program, company retreats, and the opportunity to 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, are data‑driven, and never stop iterating. If you’d like to work in a supportive, entrepreneurial environment and build something meaningful while having fun, we’d love to hear from you.
We’re united by shared goals and motivations. These values are reflected in our product and in our team.
Who You Are Justworks 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 for AI systems that defend 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 computing fundamentals and development/coding with Ruby on Rails, JavaScript, and other languages. An ideal candidate should also have experience in a *Nix environment and the use of common cybersecurity tools.
What You Will Work On
Research AI threats, the AI threat landscape, AI vulnerabilities, 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 Justworks.
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, including implementation of AI security capabilities in AWS and for corporate.
Develop AI security architecture and design standards across Justworks applications and infrastructure to promote a standardized set of security requirements, aligning with internal policies.
Participate 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 Justworks.
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 and production environments in AWS.
Champion AI implementation within Digital Security, assisting various teams to implement AI models that enhance security controls, operations, and risk management.
How You Will Do Your Work
Good judgement – exercise critical thinking, analyze problems, identify patterns, develop mitigation strategies, and take ownership of outcomes.
Resourcefulness – take a can‑do approach, optimize what you have, and improve processes.
Teamwork and communication – collaborate, build relationships, listen, and evangelize.
Influence and leadership – mentor and foster a community of knowledge sharing.
Continuous learning – actively apply domain knowledge and best practices to enhance and improve.
Qualifications
5+ years of experience in information security concepts, common security controls, and security architecture design principles, ideally in a SaaS environment.
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 setting up and deploying AI engineering tools like vector databases, AI model hosting and monitoring tools, and driving security best practices with AI coding assistants.
Solid experience with Secure‑SDLC processes and DevSecOps, including threat modeling and vulnerability management.
Experience 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.
Familiarity 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 automation using languages such as Python, Ruby, or JavaScript.
Proven strong communication skills.
Strong analytical and organizational skills.
Technologies Used
Go, Ruby on Rails, JavaScript
AI frameworks (LangChain/LangGraph), AI hosting platforms, AI coding assistants (both open source and commercial), emerging protocol standards like MCP and Agent‑to‑Agent Protocol.
Technical experience with DevOps, Jira, and other agile automation tools.
(Preferred) Security certifications: CISSP, CISM, CRISC, GIAC, CCSP, or CEH.
Compensation The base wage range for this position based in our New York City Office is targeted at $167,500.00 to $226,300.00 per year. Actual compensation is based on multiple factors that are unique to each candidate, including skill set, level of relevant experience, and work location. Salary ranges for positions in other locations may differ based on cost of labor.
Diversity Justworks is committed to maintaining a workplace where diversity of identity, culture, and life experience is the norm and is celebrated authentically and respected consistently. We are an equal‑opportunity employer open to all qualified applicants regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital or familial status, disability, pregnancy, gender identity or expression, veteran status, genetic information, or any other legally protected status. We provide reasonable accommodations to candidates and employees with disabilities and those with sincerely held religious beliefs, consistent with applicable federal, state, and local laws. If you need an accommodation, please reach out at accommodations@justworks.com.
#J-18808-Ljbffr
Senior Security Engineer (AI Security)
role at
Justworks .
Who We Are At Justworks, you’ll enjoy a welcoming and casual environment, great benefits, a wellness program, company retreats, and the opportunity to 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, are data‑driven, and never stop iterating. If you’d like to work in a supportive, entrepreneurial environment and build something meaningful while having fun, we’d love to hear from you.
We’re united by shared goals and motivations. These values are reflected in our product and in our team.
Who You Are Justworks 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 for AI systems that defend 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 computing fundamentals and development/coding with Ruby on Rails, JavaScript, and other languages. An ideal candidate should also have experience in a *Nix environment and the use of common cybersecurity tools.
What You Will Work On
Research AI threats, the AI threat landscape, AI vulnerabilities, 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 Justworks.
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, including implementation of AI security capabilities in AWS and for corporate.
Develop AI security architecture and design standards across Justworks applications and infrastructure to promote a standardized set of security requirements, aligning with internal policies.
Participate 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 Justworks.
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 and production environments in AWS.
Champion AI implementation within Digital Security, assisting various teams to implement AI models that enhance security controls, operations, and risk management.
How You Will Do Your Work
Good judgement – exercise critical thinking, analyze problems, identify patterns, develop mitigation strategies, and take ownership of outcomes.
Resourcefulness – take a can‑do approach, optimize what you have, and improve processes.
Teamwork and communication – collaborate, build relationships, listen, and evangelize.
Influence and leadership – mentor and foster a community of knowledge sharing.
Continuous learning – actively apply domain knowledge and best practices to enhance and improve.
Qualifications
5+ years of experience in information security concepts, common security controls, and security architecture design principles, ideally in a SaaS environment.
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 setting up and deploying AI engineering tools like vector databases, AI model hosting and monitoring tools, and driving security best practices with AI coding assistants.
Solid experience with Secure‑SDLC processes and DevSecOps, including threat modeling and vulnerability management.
Experience 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.
Familiarity 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 automation using languages such as Python, Ruby, or JavaScript.
Proven strong communication skills.
Strong analytical and organizational skills.
Technologies Used
Go, Ruby on Rails, JavaScript
AI frameworks (LangChain/LangGraph), AI hosting platforms, AI coding assistants (both open source and commercial), emerging protocol standards like MCP and Agent‑to‑Agent Protocol.
Technical experience with DevOps, Jira, and other agile automation tools.
(Preferred) Security certifications: CISSP, CISM, CRISC, GIAC, CCSP, or CEH.
Compensation The base wage range for this position based in our New York City Office is targeted at $167,500.00 to $226,300.00 per year. Actual compensation is based on multiple factors that are unique to each candidate, including skill set, level of relevant experience, and work location. Salary ranges for positions in other locations may differ based on cost of labor.
Diversity Justworks is committed to maintaining a workplace where diversity of identity, culture, and life experience is the norm and is celebrated authentically and respected consistently. We are an equal‑opportunity employer open to all qualified applicants regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital or familial status, disability, pregnancy, gender identity or expression, veteran status, genetic information, or any other legally protected status. We provide reasonable accommodations to candidates and employees with disabilities and those with sincerely held religious beliefs, consistent with applicable federal, state, and local laws. If you need an accommodation, please reach out at accommodations@justworks.com.
#J-18808-Ljbffr