[Remote] Staff Cloud Security Engineer

Note: The job is a remote job and is open to candidates in USA. Temporal is an open source software company building a reliable programming model and developer platform. The Staff Cloud Security Engineer will secure Temporal’s multi-cloud environment and platform, partner with infrastructure and engineering teams, conduct threat modeling and risk assessments, manage cloud security posture, and help enable responsible use of AI in security and engineering processes.

Responsibilities

• Collaborate with product and engineering teams to integrate security principles into the design and architecture of cloud infrastructure across multiple clouds (AWS, GCP, Azure, and others)
• Secure Temporal's core platform components, including the workflow engine, task queue architecture, and worker execution model - identifying attack surfaces unique to durable, stateful distributed systems
• Conduct threat modeling and risk assessments to identify vulnerabilities and potential attack vectors across our multi-cloud environment, with particular focus on workflow execution, task queue integrity, and client-server trust boundaries
• Secure Temporal's gRPC-based communication layer, including mTLS certificate management, service mesh configuration, and API authentication
• Manage cloud security posture using tools such as Wiz, including misconfiguration detection, compliance monitoring, and remediation across all three cloud providers
• Stay current on emerging cloud security standards and guidance (e.g. CSA Cloud Controls Matrix, CIS Benchmarks) and translate these into actionable internal policy
• Able to participate in on-call rotation

Skills

• Bachelor's degree in Computer Science, Cybersecurity, or a related field (or equivalent experience)
• 5+ years in cloud security or a related role
• Proven partnership with engineering teams, bringing security expertise to infrastructure access and security posture
• 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
• Strong opinions on the use of AI in different areas (assessments, threat models, penetration testing, etc)
• A deep understanding of application architecture and design principles, ability to effectively identify vulnerabilities across multiple programming languages
• Experience with secrets management at scale (e.g. HashiCorp Vault, AWS Secrets Manager) and payload encryption patterns such as codec servers for protecting sensitive workflow data
• Proficiency in Go; familiarity with Python. Go is Temporal's primary server and SDK language
• Strong command of gRPC security, mTLS, and service mesh architectures (Istio, Envoy)
• Excellent communication and ability to explain complex security concepts to non-technical stakeholders
• Excellent collaboration and communication skills
• Able to participate in on-call rotation
• Location: United States
• Location: Canada
• Occasional travel may be required for company events, team offsites, and other meaningful moments that bring us together
• Prior experience with Temporal, Cadence, or similar workflow orchestration platforms and an understanding of workflow history, replay semantics, and scheduling internals
• FedRAMP, SOC 2 Type II, or ISO 27001 experience, particularly in the context of cloud-native SaaS
• Open Source automation or automation projects
• Expertise in other areas of security (AppSec, CorpSec, GRC)
• Security conference talks or published research

Benefits

• This role is eligible to participate in Temporal's equity plan.
• Unlimited PTO, 12 Holidays + 2 Floating Holidays
• 100% Premiums Coverage for Medical, Dental, and Vision
• AD&D, LT & ST Disability, and Life Insurance (Standard & Supplemental Available)
• Empower 401K Plan
• Additional Perks for Learning & Development, Lifestyle Spending, Home Office Setup, Professional Memberships, WFH Meals, Internet Stipend and more!
• Paid Time Off (PTO) and Benefits outside the United States vary by country, and are issued in partnership with Remote.com.
• Temporal offers perks to all international employees for learning & career development, a lifestyle spending account, home office setup, professional memberships, work-from-home meals, and access to the Calm app for mental wellness.

Company Overview

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