VMware Virtualization Administrator

Spektrum Management Group; United States; Remote; USD 83,000 - 152,000; Part time

Job summary

Spektrum Management Group is seeking an experienced Virtualization Administrator for a remote contractual role. You will maintain VMware vSphere and VCF environments, provide automation and IaC, and support Nutanix/Hyper‑V/KVM as needed.

The role emphasizes security, documentation, and collaboration with storage, network, and OS teams, with a start ASAP for a remote engagement in the US market.

Qualifications

• 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 Hyper-V and KVM.

Responsibilities

• Install, configure, administer and maintain VMware vSphere and VMware Cloud Foundation environments.
• Support additional virtualization platforms like Nutanix, Hyper‑V and OLVM/KVM as required.
• Perform VMware lifecycle patching, host updates and approved configuration changes.
• Monitor VMs, hosts, and infrastructure health.
• Investigate and resolve virtualization incidents and bottlenecks.
• Apply infrastructure security best practices and maintain compliance.
• Develop automation scripts for provisioning, administration and monitoring.
• Use IaC practices to improve efficiency.
• Participate in improvements and PoC deployments.
• Collaborate with storage, networking, backup, security, OS teams.
• Support change-management procedures.
• Maintain technical documentation and infrastructure records.
• Prepare reports on performance and capacity.
• Provide guidance to junior colleagues.
• Support infrastructure projects and other assignments.

Skills

VMware vSphere

VCF

Terraform

Python

PowerShell

Ansible

CLI

IaC

Scripting

English

Education

Secondary education or equivalent with IT training

VMware Certification: VCP‑VCF

VCAP‑VCF

HashiCorp Terraform Associate

Red Hat Ansible Automation

ITIL Foundation

ISO 20000

PRINCE2 Foundation

Tools

VMware vSphere

VMware Cloud Foundation (VCF)

Nutanix

Hyper-V

OLVM/KVM

Terraform

PowerShell

Python

Ansible

Docker

Kubernetes

Puppet

Chef

Job description

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 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 virtualised environments.
• Virtual machine provisioning, configuration and lifecycle management.
• Virtualisation 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 virtualised 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 escalating 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).
• Desirable Certifications: VMware Certified Advanced Professional (VCAP‑VCF or equivalent).
• Desirable Certifications: HashiCorp Certified: Terraform Associate.
• Desirable Certifications: Relevant Red Hat Ansible Automation certification.
• Desirable Certifications: ITIL Foundation.
• Desirable Certifications: ISO 20000 certification.
• Desirable Certifications: 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.