Principal Security Engineer

Atlassian is hiring a Principal Security Engineer to provide senior technical leadership for enterprise security architecture across corporate systems, SaaS platforms, and workforce technologies. The role defines security architecture and controls, guides technology initiatives and design decisions, and collaborates with engineering and security teams to improve security at scale.

Responsibilities:

• Define and maintain the end to end enterprise security architecture blueprint, covering endpoint, identity, network, and data
• Lead the architectural reviews of major enterprise technology initiatives ( e.g., AI adoption, zero trust modernization, vendor onboarding)
• Establish architectural controls, paved paths and perform periodic maturity assessments
• Provide expert guidance on security best practices, technologies, and methodologies to engineering teams
• Review and influence the design of platform and service architectures, ensuring security is integrated from the outset
• Provide risk-based architectural recommendations, influencing executive stakeholders and investment decisions
• Automate control deployment and drift detection (IaC/PaC), reduce exception volume, and shorten time-to-adoption via platformized solutions
• Enable safe, rapid change with CI/CD for policy/config and change planning for broad rollouts
• Work closely with security teams, engineering partners, product leaders, and other principal architects to drive large-scale security initiatives
• Serve as the architecture liaison between Coporate Security and Product Security, ensuring a unified security strategy across enterprise and customer-facing environment
• Serve as a role model for engineers and mentor security practitioners across multiple seniority levels
• Act as the technical mentor to security engineers across corporate domains

Requirements:

• 10+ years in cybersecurity, with 5+ years in principal or lead architecture
• In-depth knowledge of cloud security architecture (AWS, GCP) and SaaS ecosystems ( Google workspace, Slack, Okta, etc)
• Deep understanding of identity and access management, endpoint security, data protection, network segmentation and zero trust architecture
• Excellent communication skills with the ability to simplify complex security concepts for executives and engineers