DevOps & Security Engineer at NIGHTSEA INC

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: