Senior DevOps Engineer

An Asia-based digital asset custodian providing secure and compliant services for institutions.

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About Hex Trust

Hex Trust is a regulated digital asset custodian based in Asia, offering secure custody and asset management services for institutions dealing with cryptocurrencies and digital assets.

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Skills

Candidate Availability

Required and preferred rules are kept separate and reflect the wording in the original posting.

About the Role

You will scale and secure hybrid AWS and on-premises infrastructure, improve delivery pipelines, operate Kubernetes and blockchain nodes, strengthen security controls, and use AI-enabled observability and automation to maintain high availability and performance.

Requirements

  • 6–10 years of Linux/Unix systems engineering, cloud architecture, and DevOps/SRE experience.
  • Production Kubernetes expertise, including EKS or bare-metal clusters, Helm, Kustomize, service mesh, and ArgoCD.
  • Hands-on Terraform and Terragrunt experience using modular, DRY configuration patterns.
  • Knowledge of at least one modern programming language and automation engineering skills.
  • Production AWS experience and exposure to on-premises virtualization platforms.
  • Networking knowledge including TCP/UDP, BGP, DNS, TLS/mTLS, HTTP/gRPC, tcpdump, Wireshark, and eBPF.
  • Operational familiarity with PostgreSQL, MariaDB/MySQL, MongoDB, Redis, and Kafka.
  • Eligibility to work in Vietnam.

Responsibilities

  • Architect, provision, and maintain multi-region AWS and on-premises virtualized infrastructure using Terragrunt.
  • Manage, harden, and scale production Kubernetes clusters using ingress controllers, service mesh, Helm, Kustomize, ArgoCD, and Crossplane.
  • Deploy, administer, and maintain blockchain RPC, validator, archive, and sentry nodes.
  • Enforce cloud and container security controls, including network policies, IAM, secrets management, and vulnerability scanning.
  • Integrate AI and AIOps tooling for anomaly detection, log parsing, and root-cause analysis.
  • Tune microservices and cloud workloads for high-volume, low-latency financial transactions.

Benefits

  • Paid time off, including birthday, work anniversary, and mental health leave.
  • Corporate discounts and employer perks.
  • Medical and retirement plans.
  • Access to cutting-edge technology.
  • Regular company and social events.