Hack The Box

Hack The Box

Hack The Box serves as a premier Cybersecurity Performance Center, providing advanced training and certification resources for both aspiring security professionals and established teams to enhance their skills and drive peak cyber performance.

Internet Software & Services
51-250
Founded 2017
$70M raised

Description

  • Operate and maintain VMware vSphere clusters and NSX-based virtual networking across multiple data centers.
  • Administer and tune Ceph storage clusters, including NVMe-oF-backed pools and RBD volumes.
  • Deploy, upgrade, and troubleshoot Kubernetes clusters on bare-metal and virtualized infrastructure.
  • Evaluate and support proof-of-concept work for migrating from VMware to an open-source platform.
  • Develop and maintain Ansible playbooks and Terraform modules for repeatable infrastructure deployments.
  • Monitor infrastructure health with Prometheus and Grafana and respond to incidents.
  • Collaborate on data center connectivity, VLAN/VRF provisioning, and storage-network performance.
  • Manage hardware lifecycle operations, including racking, provisioning, firmware updates, and decommissioning.
  • Maintain technical documentation, runbooks, and post-incident reviews.
  • Participate in the infrastructure on-call rotation.

Requirements

  • 3–5 years of professional experience in infrastructure, systems, or platform engineering.
  • Hands-on VMware vSphere administration, including cluster management, resource pools, vMotion, HA, and DRS.
  • Working knowledge of VMware NSX or similar software-defined networking technologies.
  • Experience administering Ceph or comparable distributed storage systems.
  • Solid Kubernetes operations experience, including deployment, upgrades, troubleshooting, and cluster lifecycle management.
  • Strong Linux systems administration skills, particularly with Debian.
  • Familiarity with Ansible and Terraform.
  • Experience with Prometheus, Grafana, and infrastructure observability.
  • Strong written communication skills for documentation and remote collaboration.
  • Cybersecurity-minded approach is preferred.
  • Experience with OpenStack, CloudStack, or similar platforms is preferred.
  • Knowledge of Ceph NVMe-oF/RDMA, Golang, BGP, EVPN-VXLAN, Tinkerbell, or multi-region data centers is preferred.

Benefits

  • 25 annual leave days.
  • Paid parental leave.
  • Home office allowance.
  • Training and professional development budget, including conference participation.
  • State-of-the-art equipment.
  • Full access to Hack The Box lab offerings.
  • Flexible working hours.
  • Fully remote work across Europe or hybrid work in Athens, with one month of work-from-anywhere flexibility.
  • Relocation support, including a 10% annual salary bonus, potential 50% income tax reduction, and temporary accommodation.

Interested in this position?

Apply directly on the company website

Apply Now

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