Application Security Architect

The Application Security Architect role is pivotal to the Ninja One team, with company-wide visibility spanning individual developers through executive leadership. As part of Ninja One'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 Ninja One'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.

Location - We are flexible on remote working from home, if you are located in the USA and reside in one of the following states - CA, CO, CT, FL, GA,
* IL, KS, MA, MD, ME, NJ, NC, NY, OH, OR, TN, TX, VA, and WA. We have physical offices in Austin, TX and Tampa, FL, if you prefer a hybrid option.

• 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

• 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

• 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

Ninja One unifies IT to simplify work for nearly 40,000 customers in 140+ countries.

The Ninja One Unified IT Operations Platform delivers endpoint management, autonomous patching, backup, and remote access in a single console to improve efficiency, increase resilience, and reduce spend. By automating IT and managing all endpoints, organizations give employees a great technology experience jaOne is obsessed with customer success and has retained a 98% customer…