IT Application Administrator - - 19681

General Information

Position

IT Application Administrator

Work arrangement

Pełny wymiar czasu pracy

City

Gdańsk, Katowice, Kraków, Łódź, Poznań, Rzeszów, Szczecin, Warszawa, Wrocław

Country

Polska

Department

Business Services Center (PL)

Team

Information Technology (IT)

Area of interest

IT - Development, IT - Services

Way of work

Hybrydowy

Description & Requirements

Who we are looking for

2+ years of hands‑on experience with Microsoft SQL Server, including installation and configuration, performance monitoring and troubleshooting, backup, restore, and maintenance planning
Experience working with enterprise / 3rd‑party application vendors (incident resolution, upgrades, troubleshooting).
Solid understanding of Windows Server environments and virtualization platforms (VMware; Hyper‑V as an advantage).
Strong skills in technical troubleshooting, root cause analysis, and remediation
Practical knowledge of enterprise database concepts (availability, performance, security, recoverability)
Basic experience or familiarity with cloud platforms: Azure (preferred), AWS or GCP
Understanding of application lifecycle management (installation, upgrades, patching, decommissioning)
Awareness of security and compliance requirements (access control, encryption, audit readiness).

Additional Advantages:

Experience with Azure SQL / Azure services in hybrid environments.
Familiarity with monitoring tools (e.g. SolarWinds, SCOM, custom SQL monitoring).
Ability to work with change, incident, and problem management processes (ITIL‑aligned).

Personal & Professional Skills:

Advanced written and verbal communication skills in English
Ability to manage tasks and technical projects end‑to‑end
Strong analytical and problem‑solving mindset
Collaborative, team‑oriented approach with a strong sense of ownership
University degree (Bachelor’s or Master’s) in IT or a related field

Your future role

Database Administration (DBA)

Install, configure, administer, and maintain SQL Server databases across environments
Monitor database health, performance, capacity, and availability.
Perform performance tuning and SQL diagnostics.
Ensure databases meet security, compliance, and audit requirements.
Create and maintain technical documentation and operational procedures.

Business Applications Operations (2nd Level Support)

Install, upgrade, and maintain enterprise applications on‑premises
Own application configurations, OS‑level dependencies, and integration points
Act as 2nd‑line support, resolving complex incidents escalated from 1st line.
Diagnose application, OS, and database‑related issues using logs, monitoring tools, and system metrics
Coordinate with infrastructure teams without owning infrastructure operations directly.

Operations, Monitoring & Incident Management

Proactively monitor application and database health using monitoring and alerting tools
Identify, troubleshoot, and resolve performance bottlenecks (CPU, memory, storage, I/O)
Participate in high‑severity and critical incident handling, working closely with Incident Management
Provide expert knowledge during problem management and root cause analysis

Change, Optimization & Continuous Improvement

Implement IT system changes in line with change management processes
Participate in application and database upgrades, migrations, and improvements
Identify opportunities to improve stability, performance, and operational efficiency
Support standardization and automation initiatives where applicable

Collaboration & Documentation

Provide high‑quality technical support to other IT teams within Deloitte Central Europe.
Prepare and maintain installation guides, operational runbooks, and troubleshooting documentation.
Collaborate with:
Local and regional IT teams
Application vendors
Global Deloitte IT organizations
Communicate clearly with technical and non‑technical stakeholders.

How This Role Is Seen Internally

Technical authority for applications and databases
Stability and reliability owner
Last escalation level, trusted to solve complex issues
A key partner in audit readiness, security, and compliance

What we offer

Stable job in multinational company based on employment contract;
Working in flexible hybrid model - partially from home and the office;
Great opportunity for professional development (individual training plan, soft skills and technical trainings, access to modern training platforms e.g. Udemy for Business, LinkedIn Learning);
Structured onboarding process and Buddy program for new joiners;
Open and friendly organizational culture based on the pillars of well-being and diversity & inclusion;
Attractive benefits:

Selection process

Apply and create your future with us!

If your resume is of interest to us, the recruitment will consist of several stages:

1. Short online interview / short phone interview with Recruiter.

2. Interview/s with member/s of the team.

You will receive feedback regardless of process result.

About Deloitte

Deloitte is a variety of people, experience, industries and services we deliver in 150 countries of the world. It is an intellectual challenge, a good starting point for your career, and an excellent opportunity for continuous development and gaining valuable life experiences. What you only must do is to take the first step – press the apply button and send us your CV, go through all the stages of the recruitment process and sign a contract with us. Deloitte is simply your best choice.

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