Senior Database Administrator – HA/DR & Cross-Platform

Cognizant; Helsinki; On-site; EUR 90,000 - 130,000; Full time

Job summary

Cognizant seeks an experienced Database Administrator in Finland to join our client’s Infra & Data Platform team. You will manage MS SQL Server and other enterprise databases, ensuring high availability, security, and performance in a production-critical environment.

You will work within ITSM processes, perform disaster recovery tests, and automate routine tasks with PowerShell, T-SQL, PL/SQL, or Python. A strong analytical mindset and collaborative approach are essential.

Qualifications

• 7-10+ years of hands-on experience as a Database Administrator in enterprise infrastructure environments.
• Strong working knowledge of Microsoft SQL Server administration and Oracle, PostgreSQL, MySQL/MariaDB as applicable.
• Demonstrated HA/DR, clustering, replication, backup and recovery experience.
• Experience with performance tuning and capacity management.
• Familiarity with enterprise ITSM controls (change, incident, problem, security, audit).
• Ownership, troubleshooting, documentation discipline, and stakeholder communication.

Responsibilities

• Install, configure, upgrade, patch, migrate, clone, and decommission database platforms.
• Operate Microsoft SQL Server and other DBs (Oracle, PostgreSQL, MySQL, MariaDB) as applicable.
• Monitor health, availability, performance, capacity, jobs, storage, and replication.
• Manage backups, recovery validation, high availability, clustering, and DR tests.
• Tune SQL, indexes, queries, memory, I/O, and configuration using diagnostics.
• Administer security, service accounts, users, roles, privileges, encryption, auditing, and compliance.
• Resolve incidents, support restoration, produce RCA, and manage ITSM changes.
• Automate routine tasks with PowerShell, T-SQL, PL/SQL, shell, Python.
• Maintain CMDB, SOPs, and operational runbooks.

Skills

SQL Server Admin

HA/DR

Performance tuning

Security & auditing

ITSM controls

Scripting (PowerShell)

T-SQL

PL/SQL

Python

Tools

Microsoft SQL Server

Oracle

PostgreSQL

MySQL/MariaDB

PowerShell

T-SQL

PL/SQL

Python

Job description

Cognizant seeks an experienced Database Administrator in Finland to join our client’s Infra & Data Platform team. You will manage MS SQL Server and other enterprise databases, ensuring high availability, security, and performance in a production-critical environment.

You will work within ITSM processes, perform disaster recovery tests, and automate routine tasks with PowerShell, T-SQL, PL/SQL, or Python. A strong analytical mindset and collaborative approach are essential.