---
title: Senior IT Infrastructure Specialist
company: DCG
category: Administrator
subcategory: Systemów
experience_level: Regular
work_mode: hybrid
location: Warszawa
employment_type: B2B
salary_min: 20200
salary_max: 21000
salary_currency: PLN
salary_period: month
technologies: [SQL, Windows Server]
posted: 2026-06-23
valid_through: 2026-07-24
url: "https://solid.jobs/offer/34180/dcg-senior-it-infrastructure-specialist"
---

# Senior IT Infrastructure Specialist — DCG

## Kluczowe informacje

- **Firma:** DCG
- **Lokalizacja:** Centrum -, Warszawa
- **Tryb pracy:** Hybrydowo
- **Wynagrodzenie:** 20.2k–21k PLN netto/m (B2B)
- **Forma zatrudnienia:** B2B
- **Wymiar etatu:** 100%
- **Godziny pracy:** Elastyczne godziny pracy
- **Poziom doświadczenia:** Regular
- **Minimalne doświadczenie:** 3 mies.
- **Kategoria:** Administrator
- **Specjalizacja:** Systemów
- **Numer referencyjny:** OH/SIE/NB/22/06/20
- **Data publikacji:** 2026-06-23
- **Aktywne do:** 2026-07-24

## Technologie i umiejętności

**Wymagane:**

- SQL — zaawansowany
- Windows Server — zaawansowany

## Języki

- Polski — ekspert
- Angielski — zaawansowany

## Opis stanowiska

Praca hybrydowa:   3 dni w tygodniu z biura w Gdańsku, Warszawie lub Łodzi      Responsibilities:     Lead and support infrastructure migration and upgrade initiatives across enterprise environments    Coordinate migration of SQL Server databases from SQL Server 2016 to SQL Server 2022 environments and clusters    Support upgrade, migration, and decommissioning of Windows Server environments    Execute and support operating system and application upgrade activities    Coordinate vendor-led application upgrades and releases    Collaborate with external vendors on planning, scheduling, testing, issue resolution, and deployment activities    Support validation, testing, and rollout of vendor-delivered solutions    Manage application lifecycle activities, including incident management, vulnerability remediation, patch management, monitoring, and operational support    Maintain operational stability across business-critical applications and infrastructure components    Participate in infrastructure and application migration projects, including SharePoint migrations, banking and compliance system migrations, and integration-related activities    Support security and compliance initiatives, including IIQ/SSO onboarding, service account remediation, threat modelling, and security baseline implementation

## Kogo szukamy

Requirements:     Strong experience with Windows Server administration, upgrades, and migrations    Strong experience with SQL Server administration, database migrations, clustering, and performance tuning    Proven experience in application and infrastructure lifecycle management    Hands-on experience delivering large-scale infrastructure migration projects, including operating system and database upgrades    Experience providing production support in complex enterprise environments    Strong knowledge of incident, problem, and change management processes    Experience supporting banking or financial applications    Experience with security and compliance activities, including vulnerability remediation, patch management, and audit support    Experience working in integration-heavy environments, including payment, reporting, and regulatory systems    Strong documentation skills, including preparation of HLD, SDD, and operational documentation    Experience coordinating testing, release, and deployment activities    Strong analytical, troubleshooting, and problem-solving skills    Excellent communication and stakeholder management skills    Very good command of English, both spoken and written        Nice to have:      Experience with Oracle, Java, Python, Power BI, or reporting solutions

## Benefity

**Zdrowie:**

- Pakiet medyczny
- Pakiet sportowy

## Lokalizacje

- Centrum -, Warszawa, Polska

## O firmie — DCG

**Wielkość firmy:** 450-500

**Strona WWW:** https://www.dcg.pl

DCG to przestrzeń, w której spotykają się potrzeby biznesu i ambicje ludzi. Znamy wartość dobrze dopasowanej współpracy, dlatego pomagamy kandydatom znaleźć środowisko, w którym będą mogli rozwinąć skrzydła, a firmom - zbudować zespoły, które naprawdę działają. Pracujemy blisko ludzi i organizacji, uważnie słuchając i reagując na to, co dla nich ważne. Dzięki temu wspólnie tworzymy trwałe i wartościowe relacje, które procentują na lata.

## Aplikuj

Aplikuj na: https://dcg.pl/aplikuj,234,pl&offer=6743?utm_source=SOLID.Jobs&utm_medium=referral

---

*Źródło: https://solid.jobs/offer/34180/dcg-senior-it-infrastructure-specialist · Wygenerowano: 2026-06-23T20:59:04Z*