Virtualization Administrator

Virtualization Administrator

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Date published Aug 11 2026 Location Amsterdam,AM-Vlisngenstrat / Netherlands Job category Technology & Engineering Work model Hybrid

Only candidates, with existing Netherlands/EU work authorization should apply, Sponsorship is not provided for this role.

Joining Cognizant means becoming part of a technology-driven, international organisation with an open and collaborative team spirit. For this role based in the Netherlands, we offer:

Competitive salary aligned with your experience and the market

Pension scheme

Access to Udemy and Cognizant Academy for continuous learning and professional development

NS Business Card for public transport commuting

️ 25 paid holidays per year

Laptop and smartphone provided

Work in a technology-driven organisation with an international environment and open team spirit

Contact the Recruiter

Have questions about this role? Feel free to reach out directly:

Nikoletta Katona [email protected]

As a Virtualization Administrator, you will play a critical role in maintaining and optimizing enterprise virtualization platforms. You will be responsible for diagnosing complex infrastructure issues, ensuring high availability, and maintaining performance across virtualized environments.

Working within Cognizant's infrastructure and cloud services teams, you will collaborate with cross-functional teams to deliver stable, scalable, and resilient virtualization platforms that support business-critical workloads.

Work Model

We believe hybrid work is the way forward as we strive to provide flexibility wherever possible. Based on this role's business requirements, this is a hybrid position requiring you to work both remotely and from a Cognizant or client office in the Netherlands. Regardless of your working arrangement, we are here to support a healthy work-life balance through our various wellbeing programs.

The working arrangements for this role are accurate as of the date of posting. This may change based on the project you're engaged in, as well as business and client requirements. Rest assured — we will always be clear about role expectations.

In This Role, You Will

Resolve host and cluster failures across enterprise virtualization environments.

Troubleshoot and fix high-availability and load-balancing issues, including failed failovers and workload placement problems.

Diagnose CPU, memory, and storage performance bottlenecks affecting virtual machines.

Roll back or remediate platform patches when incidents or instability occur.

Investigate and resolve storage connectivity issues affecting virtualized workloads.

Monitor and enforce capacity limits and resource allocation across clusters and resource pools.

Define and implement minimal operations agreements for degraded or failure scenarios.

Ensure platform stability, resilience, and adherence to operational best practices.

Collaborate with storage, network, and cloud teams to resolve cross-domain infrastructure issues.

What You Need to Have to Be Considered

5+ years of experience in enterprise virtualization environments.

Strong expertise in enterprise virtualization platform administration, including high availability, load balancing, and live migration.

Hands-on experience with clustering and workload migration across virtualization platforms.

Proficiency with performance monitoring and troubleshooting tools.

Solid understanding of storage technologies used in virtualized environments, including shared and networked storage.

Experience with scripting for automation and operational efficiency.

Strong troubleshooting mindset with the ability to resolve complex infrastructure issues under pressure.

Understanding of enterprise infrastructure dependencies across compute, storage, and networking.

These Will Help You Stand Out

Experience working in large-scale, multi-cluster enterprise environments.

Exposure to hybrid cloud or cloud-integrated virtualization platforms.

Familiarity with automation and infrastructure-as-code practices.

Experience in incident management and root cause analysis (RCA) in production environments.

Knowledge of ITIL processes and service management frameworks.

We're excited to meet people who share our mission and can make an impact in a variety of ways. Don't hesitate to apply, even if you only meet the minimum requirements listed. Think about your transferable experiences and unique skills that make you stand out as someone who can bring new and exciting things to this role.

Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, bridging the gap between AI investment and enterprise value by building full-stack AI solutions for our clients. Our deep industry, process and engineering expertise enables us to build an organization’s unique context into technology systems that amplify human potential, drive tangible outcomes and keep global enterprises ahead in a fast-changing world. See how at cognizant.ai or @cognizant.

Additional employment information Compensation information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.

Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.

Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, state or local laws.

Save Share Benefits that help you thrive and grow

Our benefits program is built with you in mind—so you can enjoy a fulfilling, balanced and healthy life.

Financial wellbeing

We regularly review market data to ensure compensation reflects the value you bring. Your benefits extend beyond pay and may include retirement plans, financial education, etc.

Physical and mental health

We empower you to prioritize your wellbeing through paid time off, flexible working where possible, healthcare plans, counselling, our Mental Health Allyship program and more.

Your career, your way

With 350,000+ roles at Cognizant, you’ll have opportunities explore new technologies, industries and locations—and build the skills you need to grow your career.

Real-world impact

Think about the biggest brands you rely on. Chances are, they rely on us to help strengthen their business. Here, you’ll turn bold ideas into solutions that improve lives everywhere.

Your path to Cognizant

Here’s what you can expect from our hiring process. Please keep in mind that it may vary by role and location. Explore our FAQs to learn more.

Step 1: Apply to the right opportunity

Find an open role that matches your skills and career goals and show us why you’re the person for the job. Don’t see the right opportunity? Consider joining our Talent Community.

Step 2: Connect with your recruiter

If one of our recruiters sees a fit, they’ll set up a short intro call to learn more about you and how your experiences and skills match the role.

Step 3: Show off your skills

If you and our team would like to continue the process, you’ll interview with our hiring team. Some roles may also require technical assessments and/or client interviews.

Step 4: Decision time

Our team will then review each candidates’ potential to succeed in the role. This step may take some time because we want to find the right fit for both you and us—but you can count on us to keep you updated.

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