- Location
- Prague, Czechia
- Workplace
- Remote, Hybrid
- Type
- Full-time
- Department
- Administration
- Seniority
- Senior
- Source
- Workday
Description
Let’s be #BrilliantTogether
As the Senior Windows Administrator, you will be a part of a global team responsible for the management and monitoring of a large number of Windows systems in all regions of the world. Core functions for this role include management of server and storage systems, issue resolution, patching, management of new installations, upgrades, and migrations.
This role includes responsibilities for interacting with internal customers at ISS STOXX.
Key Responsibilities
Hands-on operational activities:
Install, configure, test and maintain client and server systems, application software, server applications and system management tools
Install and upgrade infrastructure systems and processes
Manage and monitor all installed systems and infrastructure, including hybrid environments.
Proactively ensure the highest level of systems and infrastructure availability
Provide technical support for both hardware and software issues
Contribute to technical decision‑making, offering pragmatic input that balances best practice with business realities
Participate in on‑call rotations and after‑hours support, taking responsibility for service restoration and clear communication during incidents
Lead or contribute to post‑incident reviews with a focus on prevention, system resilience, and service improvement
Participate in scheduled patching and maintenance activities, including coordination, execution, validation, and post‑maintenance support
Cloud and virtualisation:
Administer and support GCP services, including Compute Engine, Cloud IAM, and other relevant services
Optimise VMware environments to ensure efficient resource utilisation and system availability
Support and evolve hybrid infrastructure leveraging Google Cloud Platform, contributing to cloud adoption, migration, or optimisation initiatives
Automation:
Develop and maintain PowerShell and batch scripts to automate repetitive administrative tasks, reduce manual effort, and improve system consistency
Identify opportunities to streamline operational processes through automation, documentation, and tooling improvements
Contribute to the evolution of infrastructure standards, runbooks, and operational best practices
Required Qualifications
BA in Information Systems or related field, or equivalent experience
5+ years of proven experience with Windows administration and support
Working knowledge of Windows Server technologies (such as Active Directory, DNS, DHCP and File/Print services)
Basic to Intermediate scripting skills using batch scripts and PowerShell
Working knowledge of standard Windows security methodologies, hardening procedures, and best practices
Excellent communication & documentation skills, both in technical and non-technical areas
Ability to work with a global support team, including ticket management applications such as Jira and ServiceNow
Hands-on experience with the VMWare environment and general principles of virtualisation
Hands-on experience with Cloud computing, especially Google Cloud Platform
Familiarity with backup needs and approaches
Ability and willingness for on-call and after-hours work
Ability to prioritise and work well under pressure
Preferred Qualifications
Basic familiarity with Linux
Knowledge of storage systems and management
#LI-RH1 #STOXX #MIDSENIOR #IT
What You Can Expect from Us
At ISS STOXX, our people are our driving force. We are committed to building a culture that values diverse skills, perspectives, and experiences. We hire the best talent in our industry and empower them with the resources, support, and opportunities to grow—professionally and personally.
Together, we foster an environment that fuels creativity, drives innovation, and shapes our future success.
Let’s empower, collaborate, and inspire.
Let’s be #BrilliantTogether.
About ISS STOXX
ISS STOXX GmbH is a leading provider of research and technology solutions for the financial market. Established in 1985, we offer top-notch benchmark and custom indices globally, helping clients identify investment opportunities and manage portfolio risks. Our services cover corporate governance, sustainability, cyber risk, and fund intelligence. Majority-owned by Deutsche Börse Group, ISS STOXX has over 3,400 professionals in 33 locations worldwide, serving around 6,400 clients, including institutional investors and companies focused on ESG, cyber, and governance risk. Clients trust our expertise to make informed decisions for their stakeholders' benefit.
Visit our website: https://www.issgovernance.com
View additional open roles: https://www.issgovernance.com/join-the-iss-team/
Institutional Shareholder Services (“ISS”) is committed to fostering, cultivating, and preserving a culture of diversity and inclusion. It is our policy to prohibit discrimination or harassment against any applicant or employee on the basis of race, color, ethnicity, creed, religion, sex, age, height, weight, citizenship status, national origin, social origin, sexual orientation, gender identity or gender expression, pregnancy status, marital status, familial status, mental or physical disability, veteran status, military service or status, genetic information, or any other characteristic protected by law (referred to as “protected status”). All activities including, but not limited to, recruiting and hiring, recruitment advertising, promotions, performance appraisals, training, job assignments, compensation, demotions, transfers, terminations (including layoffs), benefits, and other terms, conditions, and privileges of employment, are and will be administered on a non-discriminatory basis, consistent with all applicable federal, state, and local requirements.
