Position Summary:
We are looking for a DevOps & Security Engineer to maintain and secure our Web3 stablecoin infrastructure. You will be responsible for overall server architecture, security hardening, node maintenance, and CI/CD deployments to ensure 24/7 system reliability for both our off-chain systems and on-chain nodes.

Location: Miami, Florida (temporarily remote, with future hybrid in-office requirements)

Key Responsibilities:

Manage day-to-day operations of company infrastructure including servers, cloud services, and container platforms.
Maintain critical node services including RPC services and oracle components.
Establish security protocols and implement host/network security hardening (WAF, security groups, firewalls)
Oversee service monitoring, log analysis, troubleshooting, and capacity planning.
Build and maintain CI/CD pipelines using GitHub Actions/GitLab CI
Manage Docker and Kubernetes clusters.
Administer certificates, TLS, VPN, and IAM permission systems.
Conduct regular vulnerability scans, coordinate penetration tests, and manage patch updates.
Undertake ad hoc projects as we continue to grow.

Qualifications:

3+ years of experience in DevOps, infrastructure, or security roles.
Strong Linux administration skills with substantial experience in troubleshooting and performance tuning.
Proficiency with Docker/Kubernetes, Nginx, load balancing, and logging systems (ELK/EFK).
Solid understanding of network security concepts: VPC, ACL, WAF, DDoS protection, firewalls, zero-trust.
Experience with at least one major cloud platform (AWS/GCP/Azure).
Scripting skills in Shell, Python, or Go.

Preferred Qualifications:

Experience with security compliance frameworks (SOC2, ISO27001).