Sr Windows Administrator

VISTULO; Warszawa; Remote; PLN 120,000 - 180,000; Full time

Job summary

A technology firm is seeking a Senior Windows Administrator to manage identity and endpoint automation for a large North American bank. This fully remote role requires proficiency in PowerShell and experience with Windows administration, working primarily during US Eastern business hours. The successful candidate will collaborate closely with teams in both Poland and North America while enjoying competitive compensation and benefits.

Benefits

Competitive Compensation

Professional growth opportunities

Fully remote work

Qualifications

• Experience with writing PowerShell scripts, focusing on modules and safe execution.
• Competence in deploying and managing Windows environments.
• Understanding of identity governance and compliance principles.

Responsibilities

• Manage user accounts and security policies in Active Directory.
• Patch and update Windows workstations at scale.
• Automate tasks using PowerShell.

Skills

PowerShell proficiency

Automation mindset

Active Directory knowledge

Remote Windows administration

AWS federation management

Tools

Microsoft Entra ID

AWS

Job description

Do you automate first and click second? We’re hiring an experienced Windows Administrator who treats PowerShell as a core tool, not an afterthought. You’ll own identity and endpoint automation for a large North American bank, working with an enterprise-scale Windows environment. You’ll be part of the core IT infrastructure team, managing hundreds of Windows workstations and virtual desktops.

The Role at a Glance

• Senior Windows Administrator

• Fully remote for a top North American bank (based in Poland only)

• Work during US Eastern business hours

Why Join Us?

• Impact at scale: Manage identity, devices, and policy for a bank-scale Windows ecosystem

• Automation-first culture: Ship scripts and policies that remove manual toil.

• Strong peers: Collaborate with engineers in Poland and North America.

• Competitive compensation and long-term stability that only a bank can offer.

A successful candidate will be an experienced Windows administrator who prioritizes automation, can code their own scripts, and has experience working in an enterprise IT department. English proficiency is a must.

This is a fully remote Windows administration role for a person in Poland. You will be working directly with the bank through a Polish company that will provide the support and administrative assistance to make you successful in the role.

This role requires working during US Eastern business hours in order to be able to collaborate closely with other team members.

Only open to residents of Poland. Polish citizens, as well as legal residents with permission to work in Poland, are welcome.

What we offer

• Work that matters in the financial domain: Work on a trading system at an established financial institution, processing millions of transactions daily.

• Professional growth: Collaborate with smart, highly capable developers in a supportive and challenging environment.

• Direct collaboration: You will work directly with the bank’s team in North America and in Poland.

• Fully remote work: Fully remote position based in Poland.

• Competitive Compensation: Above-average pay and ample time-off options.

Responsibilities

• Manage user accounts, structure, and security policies in Active Directory.

• Deploy, patch, and update Windows workstations at scale.

• Use PowerShell to automate repetitive tasks: user provisioning, reporting, bulk changes.

• Design, implement, and maintain integration between Entra ID and AWS to provide secure, role-based access to cloud resources.

Requirements

• An automation-first mindset.

• Proficiency in PowerShell, including writing code in modules, with proper logging and error handling, for safe runs on bulk operations of 100+ users.

• Familiarity and experience with remote Windows administration in an enterprise environment.

• Excellent knowledge of Active Directory and Microsoft Entra ID.

• Experience managing AWS federation through Entra ID with a focus on least-privilege design, compliance, and identity governance.

• Ability to work during US Eastern business hours.

Nice to have

• Past software development experience.

• Microsoft Certifications (MCSE) or equivalent certifications.

• Microsoft Exchange and/or Microsoft Office 365 management experience.

Interview process

1. Submit your CV.

2. Answer a few written questions and a short programming exercise which you can do at your own pace.

3. Participate in an online three-stage interview process

Successful candidates will need to pass a standard background check.