System Administrator

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

As a System Administrator
, you will make an impact by taking ownership of enterprise Windows & Red Hat Linux platforms, ensuring seamless access services, and safeguarding the systems that business operations depend on every day. You will be a valued member of the Infrastructure team and work collaboratively with infrastructure, security, and cloud teams to maintain the health, security, and resilience of core enterprise infrastructure.

• Monitor and resolve platform health issues to ensure system consistency and availability.

• Troubleshoot authentication failures and related access issues across enterprise systems.

• Respond to and remediate large-scale outages impacting multiple systems and services.

• Diagnose and fix service failures, including performance degradation and resource constraints.

• Maintain system integrity, manage policy changes, and execute regular health checks across enterprise servers and supporting infrastructure.

• Maintain and continuously update documentation covering system dependencies and integrations.

• Collaborate with infrastructure, security, and cloud teams to resolve complex, cross-domain incidents.

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. 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.

• 5+ years of experience in Windows & Red Hat Linux administration.

• Strong expertise in enterprise directory services and related administration.

• Solid understanding of authentication protocols and access delegation.

• Hands-on experience with enterprise policy and configuration management tools.

• Working knowledge of certificate and public key infrastructure (PKI) management.

• Advanced knowledge of enterprise server administration across common operating systems.

• Proficiency in scripting for automation and troubleshooting.

• Proven ability to diagnose and resolve complex identity and system-level issues in enterprise environments.

• Experience managing large-scale, multi-site enterprise environments.

• Exposure to hybrid identity setups or integration with cloud identity providers.

• Familiarity with automation and configuration management tools.

• Strong background in incident management and root cause analysis (RCA).

• Knowledge of ITIL frameworks and structured operational processes.

• Competitive salary

• Pension scheme

• 25 paid holidays per year

• NS business card

• Laptop and smartphone

• Access to Udemy and Cognizant Academy

• Technology-driven organization

• Open team spirit

• International working environment