Cloud Security Engineer

About the role

We are looking for an experienced Cloud Security Engineer to join Hex’s security team. You will be responsible for ensuring the security and resilience of our cloud infrastructure, providing leadership in cloud security practices, and collaborating closely with our infrastructure and engineering teams to secure our cloud-native applications.

• Design, implement, and manage security solutions and controls for AWS environments and Kubernetes clusters, including appropriate isolation/sandboxing methods for Hex’s RCE-as-a-Service platform
• Build, deploy, and maintain infrastructure-as-code using Terraform, ensuring robust security standards are enforced.
• Conduct security assessments, threat modeling, and audits on AWS cloud infrastructure and Kubernetes deployments.
• Collaborate with development and operations teams to embed security best practices into CI/CD pipelines.
• Monitor and respond to cloud security incidents, identifying root causes and recommending remediation actions.
• Provide expertise in compliance requirements related to cloud security (e.g., SOC 2, ISO 27001, GDPR, HIPAA, PCI DSS).
• Mentor engineers and advocate for cloud security across the organization.

• 5+ years of experience in cloud security engineering, with extensive expertise in AWS.
• Demonstrated proficiency with Kubernetes security including cluster hardening, role‑based access control (RBAC), network policies, and container vulnerability management.
• Expert‑level knowledge and hands‑on experience with Terraform.
• Familiarity with AWS security services (e.g., IAM, Guard Duty, Security Hub, Cloud Trail, WAF).
• Familiarity with CNAPP solutions such as Wiz
• Familiarity with SIEM solutions such as Panther
• Solid understanding of secure software development lifecycle practices, CI/CD security, and Dev Sec Ops  methodologies.
• Relevant certifications such as AWS Certified Security – Specialty, Certified Kubernetes Security Specialist (CKS), and Terraform Associate certification are highly desirable.
• Bonus points for security certifications from SANS or Off Sec.
• Excellent problem‑solving, communication, and leadership skills.

We’re a group of engineers who are forging new ground together and love partnering with Security on our journey to pull ahead of our competition. You can read about how we think through problems as well as how we learn from mistakes on our blog:

• How we took down production…
• Beyond Linear Notebooks
• A pragmatic approach to live collaboration

Our product is a web-based notebook and app authoring platform. Our frontend is built with Typescript and React, using a combination of Apollo GraphQL and Redux for managing application state and data. On the backend, we also use Typescript to power an Express/Apollo GraphQL server that interacts with Postgres, Redis, and Kubernetes to manage our database and Python kernels. Our backend is tightly integrated with our infrastructure and CI/CD, where we use a combination of Terraform, Helm, and AWS to deploy and maintain our stack.

In addition to our unique culture, Hex proudly offers a competitive total rewards package, including but not limited to, market‑bench salary & equity, comprehensive health benefits, and flexible paid time off.

The salary range for this role is: $200,000 - $265,000

The salary range shown may be a reflection of additional factors such as geographical location and skill ranges/levels we’re open to. Placement in the salary range will be decided upon completion of the interview process, taking into account factors like leaving room for growth, internal fairness & parity, your demonstrated skills, and the depth of your experience.