Senior Windows Systems Administrator (Operations & Automation)

ING Hubs Poland is hiring!

We are looking for you, if you:

• have 5+ years of experience administering Windows Server in large-scale production environments,

• know MS SQL Server very well (backup/restore, performance basics, SSIS/SSRS/SSAS, Always On),

• can write clear and structured documentation,

• speak English at B2+ level and are open to shift work and on-call duties.

• are able to work in two shifts: 08:00–16:00 and 10:00–18:00. Standby duty is scheduled 8 times per month (from 19:00 to 22:00), with dates announced one month in advance. Team members should also be ready to work early shifts from 06:00 to 14:00 when needed.

You'll get extra points for:

• experience with PowerShell/Python (automation), Azure DevOps (pipelines), Stonebranch UAC,

• familiarity with Elasticsearch/Prometheus, Microsoft HPC Pack, SCOM,

• knowledge of Active Directory/GPO/DNS/DHCP, IIS in production, WSFC/Always On, HA/DR for SQL, Git,

• SRE/24/7 operations experience; Microsoft/Windows/SQL certifications, ITIL.

Your responsibilities:

• administer and maintain Windows Server 2019/2022 and MS SQL Server 2022 environments,

• automate tasks and manage CI/CD pipelines using PowerShell, Python, Azure DevOps, and Stonebranch UAC,

• Support .NET applications, Elasticsearch, and Microsoft HPC Pack,

• ensure security compliance, manage access rights, and perform patching and audits,

• handle tickets (L1/L2 triage), communicate in English, and manage SLA/SLO,

• plan and implement changes (CHG), including in production environments; maintain documentation and runbooks.

Information about the squad:

You’ll join a team responsible for over 300 servers and 4 critical applications used by global clients. We value efficiency -only one daily meeting – short and focused. You’ll receive onboarding support, mentoring, and a structured learning plan for key technologies. We offer a stable employment contract (UoP), annual bonus (13th salary), and a comprehensive benefits package including private medical care, insurance, Multisport card, PPE, hybrid work, company equipment, and subsidies for phone, glasses, tickets, and meals. On-call duties are compensated at 10% of the hourly rate, and overtime is paid according to labor law (+10%).

The role naming convention in the global ING job architecture will be “Engineer III”.