Senior Database Infrastructure Administrator

Dun & Bradstreet

Hybrid

Warsaw, Poland

Full-time

Senior

3+ yrs

Salary not listedPosted 12m ago

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Real job — pulled straight from Dun & Bradstreet’s careers page · Verified October 4, 2026 · No reposts.

Dun & Bradstreet is hiring a Senior Database Infrastructure Administrator — a full-time, based in Warsaw, Poland role. Apply directly on Dun & Bradstreet's careers page below.

Senior Database Infrastructure Administrator (R-19958)

Team: Technology

Location: Warsaw - Poland

Commitment: Employee: Full Time

Workplace Type: hybrid

Salary:

This role is eligible for a 10% annual bonus opportunity.

Shape the Future with Dun & Bradstreet

At Dun & Bradstreet, we believe data has the power to create a better tomorrow. As a global leader in business decisioning data and analytics, we help companies worldwide grow, manage risk, and innovate. Since 1841, businesses have trusted us to turn uncertainty into opportunity. We’re a diverse, global team that values creativity, collaboration, and bold ideas. Are you ready to make an impact and help shape what’s next? Join us! Explore opportunities at dnb.com/careers.

About the role

We run one of the most diverse database estates in the business, spanning Oracle, Microsoft SQL Server, MySQL, PostgreSQL and MongoDB, hosted across multiple data centres

You'll keep this estate healthy, secure and fast, and you'll play a real part general migration efforts. This isn't a "keep the lights on and nothing else" job. Half your time is operations, half is projects that actually move the needle.

What you'll actually do

Administer, tune and support production and non-production databases across Oracle, MS SQL Server, PostgreSQL, MySQL and MongoDB.
Handle incidents, service requests, change requests and vulnerability remediation through , following ITIL practice.
Build and improve monitoring and observability using Splunk, Zabbix and OpenTelemetry-based database metrics.
Automate the boring stuff, patching and provisioning via Ansible, GitHub and NinjaOne.
Work security-first: Imperva, Nessus, CyberArk, and alignment with ISO 27001, SOX, CIS and GDPR controls.

What you bring

3–5+ years hands-on database administration across at least two of: Oracle, SQL Server, PostgreSQL, MySQL, MongoDB.
Solid SQL skills and real experience with performance tuning, backup/recovery and high availability.
Exposure to heterogeneous database migrations (Oracle to PostgreSQL/SQL Server is a big plus).
Comfort in virtualised environments (VMware/vSphere, GCP/GCVE/AWS) and mixed Linux/Windows hosting.
Working knowledge of and/or Jira, and ITIL processes (incident, change, problem).
Scripting and automation instincts (Ansible, PowerShell, shell, Python).
Fluent English; other European languages welcome.
An ownership mindset, curious, proactive, and a genuine team player.

Nice to have

Cloud database exposure (GCP Cloud SQL / AlloyDB, AWS RDS).
Certifications in Oracle, Microsoft SQL Server or PostgreSQL.
Experience with observability tooling (like Splunk & Zabbix).

Pursuant to Polish pay transparency requirements, candidates will receive information about remuneration for this position at the appropriate stage of the recruitment process and before employment is established. Actual compensation decisions for base salary and other compensation will be dependent upon a wide range of factors including but not limited to: an individual’s skill sets, experience, qualification, training, education, location, and any other legally permissible factors. Successful applicants will also be eligible for D&B’s benefit package.

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All Dun & Bradstreet job postings can be found at https://jobs.lever.co/dnb. Official communication from Dun & Bradstreet will come from an email address ending in @dnb.com.

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Frequently asked questions

What skills are required for Senior Database Infrastructure Administrator at Dun & Bradstreet?

The required skills for Senior Database Infrastructure Administrator at Dun & Bradstreet include: Oracle, SQL Server, MySQL, PostgreSQL, MongoDB, SQL, VMware, GCP, AWS, Linux, Windows, JIRA, ITIL, Ansible, PowerShell, Python, Splunk, OpenTelemetry, ISO 27001, GDPR.

What is the seniority level for Senior Database Infrastructure Administrator at Dun & Bradstreet?

Senior Database Infrastructure Administrator at Dun & Bradstreet is a Senior level position.

How do I apply for Senior Database Infrastructure Administrator at Dun & Bradstreet?

You can view the full description and apply for Senior Database Infrastructure Administrator at Dun & Bradstreet on EchoJobs: https://echojobs.io/job/dun-bradstreet-senior-database-infrastructure-administrator-r-19958-8degi.

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