VMware Virtualization Administrator

Spektrum supports apex purchasers (NATO, UN, EU, and National Government and Defence) and their Tier 1 supplier ecosystem with a wide range of specialist services. We provide our clients with professional services, specialised aerospace and defence sales, delivery, and operational subject matter expertise. We are looking for personnel to join our team and support key client projects.

Spektrum supports apex purchasers (NATO, UN, EU, and National Government and Defence) and their Tier 1 supplier ecosystem with a wide range of specialist services. We provide our clients with professional services, specialised aerospace and defence sales, delivery, and operational subject matter expertise. We are looking for personnel to join our team and support key client projects.

Who we are supporting

At Spektrum, we support a wide range of NATO organizations and programmes by providing highly skilled professionals across defence, security, digital transformation, engineering, and information technology. Our teams contribute to projects that strengthen the Alliance's operational readiness, enhance interoperability between member nations, and enable the delivery of critical capabilities across land, air, maritime, cyber, and space domains.

For this opportunity, our client is a private technology company that delivers advanced IT and engineering services in support of NATO programmes. Working alongside NATO stakeholders, the company provides technical expertise, software development, systems integration, and digital solutions that help modernize and sustain mission‑critical capabilities. As part of this project, consultants will contribute to the development and support of technologies that underpin NATO's operational effectiveness and long‑term digital transformation.

Role ID – TG-001-11

Spektrum supports apex purchasers (NATO, UN, EU, and National Government and Defence) and their Tier 1 supplier ecosystem with a wide range of specialist services. We provide our clients with professional services, specialised aerospace and defence sales, delivery, and operational subject matter expertise. We are looking for personnel to join our team and support key client projects.

Virtualization Administrator

Role Background

Trigyn is seeking an experienced Virtualization Administrator for a remote contractual opportunity.

The successful candidate will be responsible for maintaining the stability, security, availability and performance of enterprise virtualization infrastructure, with a primary focus on VMware vSphere and VMware Cloud Foundation (VCF).

Working under the supervision of the IT Infrastructure Team Lead, the administrator will support daily infrastructure operations, incident resolution, lifecycle management, automation and continuous improvement.

Role Duties and Responsibilities

• Install, configure, administer and maintain VMware vSphere and VMware Cloud Foundation environments.
• Support additional virtualization platforms, including Nutanix, Microsoft Hyper‑V and OLVM/KVM, as required.
• Perform VMware lifecycle patching, host updates and approved configuration changes.
• Monitor virtual machines, hosts, infrastructure health and capacity.
• Investigate and resolve virtualization incidents, performance bottlenecks and technical problems.
• Apply infrastructure security best practices and maintain compliance with relevant standards.
• Develop and maintain automation scripts for infrastructure provisioning, administration and monitoring.
• Use Infrastructure as Code practices to improve operational efficiency.
• Participate in infrastructure improvements and proof‑of‑concept deployments.
• Collaborate with storage, networking, backup, security and operating‑system teams.
• Support approved infrastructure changes and follow established change‑management procedures.
• Maintain technical documentation, operational procedures and infrastructure records.
• Prepare reports on platform performance, health and capacity.
• Provide technical guidance to junior colleagues.
• Support infrastructure projects and other operational assignments as required.

Essential Skills

• VMware vSphere administration and troubleshooting.
• VMware Cloud Foundation (VCF).
• VCF Operations and VCF Automation.
• Enterprise virtualization infrastructure operations.
• Terraform and Infrastructure as Code (IaC).
• Strong scripting and automation skills using Python, PowerShell, Terraform or Ansible.
• Command‑line administration of virtualized environments.
• Virtual machine provisioning, configuration and lifecycle management.
• Virtualization monitoring, performance tuning and troubleshooting.
• VMware patching, upgrades and host management.
• Understanding of