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 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 storage, networking, backup, server hardware and operating-system dependencies. • Infrastructure security and change-management practices. • Professional proficiency in English. Desirable Skills: • Public cloud platforms. • Storage management in virtualized environments. • Docker and Kubernetes. • Ansible, Puppet or Chef. • Continuous Data Protection (CDP). • Spanish language skills. Experience • Minimum 5 years of relevant experience supporting and operating enterprise virtualization infrastructure. • Proven hands-on experience installing, configuring, administering and troubleshooting VMware vSphere and VMware Cloud Foundation. • Practical experience with VCF Operations and VCF Automation. • Experience implementing Terraform-based Infrastructure as Code, particularly for VMware vSphere resources. • Strong scripting and automation experience. • Familiarity with alternative virtualization platforms such as Hyper-V and KVM. • Ability to independently manage operational tasks and escalate complex or high-risk issues appropriately. educations and Certifications Mandatory Education: - Secondary school education or equivalent, supplemented by specialised IT training. Desirable Certifications: • VMware Certified Professional (VCP-VCF Administrator or equivalent). • VMware Certified Advanced Professional (VCAP-VCF or equivalent). • HashiCorp Certified: Terraform Associate. • Relevant Red Hat Ansible Automation certification. • ITIL Foundation. • ISO 20000 certification. • PRINCE2 Foundation. No specific certification is explicitly mandatory. Working Location Remote Remote work is restricted to Poland, Romania, Czech Republic, Hungary, Portugal, Greece, Slovakia and Bulgaria. Candidates from Italy and Spain must be willing to work onsite in Brindisi and Valencia, respectively. Working Policy • Working arrangement: Remote. • Contract type: Contractual opportunity. • Start date: ASAP • Reporting line: IT Infrastructure Team Lead.

VMware Virtualization Administrator

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