Staff Application Security Engineer

Role Summary Join our dynamic team as a Staff Application Security Engineer , where you'll play a pivotal role in securing the Temporal development pipeline, product, and customer execution environment. In this position, you'll work closely with software engineering teams and customers to build security deeply into our platform across multiple clouds. You'll also build production ready AI assisted security workflows with the right guardrails. We're looking for individuals who are passionate about enabling engineering teams to build and ship securely, serving as trusted security partners across the organization. What You’ll Do Collaborate with product and engineering teams to integrate security principles into the design and architecture of products. Lead complex threat modeling and risk assessments to identify vulnerabilities and potential attack vectors across the full product surface. Drive strategy, influence architecture, and set direction for security across multiple teams or org-wide. Manage the Secure Development pipeline including code security and 3rd party library supply chain security. Stay current on emerging standards and guidance (e.g. OWASP Top 10 for LLMs, MCP security specifications) and translate these into actionable internal policy. Own responsibility disclosed vulnerabilities in both Cloud and Open Source products. Able to participate in on-call rotation. What You’ll Bring Bachelor’s degree in Computer Science, Cybersecurity, or a related field (or equivalent experience). 7+ years in application or product security or a related role. Proven partnership with engineering teams, bringing security expertise to the planning and development process. Ability to write production-quality code in at least one programming language, with a history of development beyond simple scripting. Knowledge of encryption, authentication, and secure communication protocols. Familiarity with tools like SAST, DAST, and penetration testing frameworks. A deep understanding of application architecture and design principles, ability to effectively identify vulnerabilities across multiple programming languages Excellent communication and ability to explain complex security concepts to non-technical stakeholders. Kubernetes security posture management and auditing, including workload hardening, RBAC design, and admission control. Demonstrated experience with multi-tenant security architecture, including data plane isolation, control plane hardening, and cross-tenant data leakage prevention. Nice to Have Distributed computing and related vulnerability experience. Familiarity with Go. Running a Security Champions program. Open Source automation or automation projects. Expertise in other areas of security. Security conference talks or published research. Temporal Technologies is an Equal Opportunity Employer. Temporal Technologies does not discriminate on the basis of race, religion, color, sex, gender identity, sexual orientation, age, non-disqualifying physical or mental disability, national origin, veteran status, or any other basis covered by appropriate law. All employment is decided on the basis of qualifications, merit, and business need. We embrace and celebrate differences and diversity. Temporal is committed to providing access, equal opportunity, and reasonable accommodation for individuals with disabilities in employment, its services, programs, and activities. If you need to request a reasonable accommodation, please let your Recruiter know so we can assist.