Application Security Architect

About the Role

The Application Security Architect role is pivotal to the NinjaOne team, with company-wide visibility spanning individual developers through executive leadership. As part of NinjaOne's core Information Security organization, you will directly contribute to the security, privacy, reliability, and user experience of more than 6,000 customers across MSP and enterprise IT environments.

This is a highly technical, architecture-focused role blending hands-on software security and secure design principles. Ideally, you have a solid background in both software engineering and security. You will work across application, cloud, infrastructure, and identity layers to embed security into NinjaOne's software and systems from design through deployment.

Working closely with engineering, platform, and product teams, you will lead code reviews, secure design and architecture reviews, anticipate emerging threats, and help drive scalable, resilient, and compliant security solutions. You will also serve as a security mentor to engineering teams, helping raise overall security maturity across the organization.

Language & Application Requirements

• Advanced English (speaking, reading, and writing) is required.
• An English-language resume is required. Applications submitted in another language will not be considered.

Location: We are flexible on remote working from home, but you must be located in Brazil, Colombia, Ecuador, or Mexico.

What You'll Be Doing

• Partner with engineering teams to review system designs and source code for security and architectural risks
• Lead threat modeling, secure design reviews, and architecture review sessions with engineering teams
• Execute and help improve our AI-assisted workflows for product security
• Define and guide security initiatives from proof-of-concept through operational maturity
• Develop clear reports and presentations for technical and executive audiences
• Document security architectures, policies, and best practices
• Mentor and provide technical guidance to other security team members
• Promote a culture of security awareness across the organization, driving and evolving the Security Champions program to foster shared ownership of secure design practices

About You

• 5+ years of experience in software security, including 2+ years in security architecture or offensive security roles
• Proficiency in one or more programming languages: Java, Kotlin, C++
• Strong understanding of application security fundamentals, including authentication, authorization, cryptography, and secure communications
• Experience with security frameworks and methodologies such as OWASP, NIST, BSIMM, STRIDE, and DREAD
• Hands-on experience with identity and access management technologies (OAuth 2.0, SAML, OIDC)
• Knowledge of cloud security in AWS environments
• Experience with modern delivery technologies, including IaC and CI/CD pipelines
• Solid understanding of Linux and Windows security in enterprise environments
• Experience with security testing and common security tooling
• Excellent communication, analytical, and problem-solving skills

Education & Certifications

• Bachelor's degree in Computer Science, Information Technology, or a related field (or equivalent practical experience)
• Relevant certifications such as OSCP, OSWE, or SecurityX are preferred but not required

About Us

NinjaOne automates the hardest parts of IT to deliver visibility, security, and control over all endpoints for more than 40,000 customers. The NinjaOne automated endpoint management platform is proven to increase productivity, reduce security risk, and lower costs for IT teams and managed service providers. NinjaOne is obsessed with customer success and provides free and unlimited onboarding, training, and support. NinjaOne is #1 on G2 in endpoint management, patch management, remote monitoring and management, and mobile device management.

What You'll Love

• Flexible working hours with home office options that help you balance your personal life and your job
• Grow personally and together with one of the fastest growing companies globally
• Develop your skills through our renowned training platform
• Receive competitive compensation
• Collaborate with an amazing international workforce

Additional Information

This position is NOT eligible for Visa sponsorship.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, genetic information, marital status, veteran status, or any other status protected by applicable law. We are committed to providing an inclusive and diverse work environment.