DB2 Subject‐matter expert

PARETO SECURITIES AS; Warszawa; Hybrid; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Mental health support

Free lunch at the office

Referral bonus up to PLN 10,000

PLN 600 on a benefit platform a month

Passion clubs and social events

Job summary

BEC, a fintech IT solutions provider, is seeking a Subject Matter Expert for its QA Team to craft data operations and environment management across test environments.

You will drive masking, subsetting, and data refresh initiatives while ensuring data consistency, performance, and reliability in a global, cross-functional setup.

Qualifications

• English proficiency required for international collaboration.
• Experience with database operations, masking and subsetting preferred.
• Strong knowledge of Db2 & z/OS batch processing and related tools.

Responsibilities

• Oversee data operations, masking and subsetting for test environments.
• Manage backups, data migrations and provisioning of test environments.
• Improve data refresh tools and governance; ensure data consistency.
• Lead incident resolution and root cause analysis for data incidents.

Skills

Database architecture

SQL optimization

Performance tuning

Mainframe z/OS

JCL

COBOL

Batch processing

Tools

Db2 Catalog

EXPLAIN

RUNSTATS

REORG

High Performance Unload

OMEGAMON

ServiceNow

IBM Db2 Query Monitor

Application Performance Analyzer for z/OS

GDPS

Change Data Capture

Job description

You will act as a subject‑matter expert working closely with development teams, architects, and external vendor to embed best practices in data and environment management. The role will be placed in central Quality Assurance Team.

Quality Assurance Team (QA Team) is a central team in Platform & Developer Experience Domain, responsible for delivering key enablers related with test data operations (masking, subsetting, loads) environment management (inventory, provisioning etc.), test tools including test automation enablers and QA processes. Cross functional team, consisting of mainly senior profiles, experienced in BEC reality. We lead challenging and important initiative in order to put fundaments under quality-oriented solutions for our Banks. We work closely with almost 100 development teams; our internal customers are all Developers, QAs and BAs in BEC.

When joining QA Team as Subject Matter Expert, we can guarantee you ambitious & challenging tasks, working on organizational solutions exposed for the whole company, lots of opportunities for learning, friendly atmosphere and empathic manager.

Primary tasks and responsibilities:

1. Data operations management; data masking and subsetting

• Oversee database maintenance activities (backup, recovery).
• Manage data refreshes, data migrations, and test environments provisioning.
• Ensure operational readiness and data consistency across test environments.
• Implementation, maintenance and improvement of test data subsetting initiative with all related activities like gathering data requirements, defining data linkage, checking data consistency, data loads
• Implementation, maintenance and improvement of data masking process, operational governance of process completeness, developing supportive tools and solutions
• Work on enhancing tools for data refresh process

2. Performance & reliability

• Monitor and optimize database performance.
• Analyze SQL performance issues and bottlenecks.
• Drive continuous improvements in availability, resilience, and operational efficiency.

3. Incident, problem & change management

• Lead resolution of production incidents and major outages related to data.
• Perform root cause analysis and implement preventive measures

To succeed you will have:

• The ability to work effectively in an international and cross-functional environment
• Professional working proficiency in English, both written and spoken
• Hands-on experience within one or more of the following technology areas:
• Database architecture, performance tuning, partitioning, indexing, SQL optimization
• Tools: Db2 Catalog, EXPLAIN, RUNSTATS, REORG,High Performance Unload

Mainframe Platform (z/OS)

• Strong operational knowledge of the mainframe ecosystem
• Well versed in the batch execution and bug fixing
• Practical skills in JCL, SQL, COBOL (nice to have)

Backup, recovery & high availability

• Business continuity, disaster recovery, replication
• Tools: Db2 Utilities (COPY, RECOVER, REBUILD INDEX), Change Data Capture, GDPS

Monitoring & Operations

• Support, performance monitoring, incident troubleshooting for non production environments
• Tools: OMEGAMON, ServiceNow, IBM Db2 Query Monitor, Application Performance Analyzer for z/OS,

Automation & DevOps

• Database change management and operational automation

Be your best self with BEC’s Benefits!

We offer a diverse range of benefits for our employees. Here are just a few of them.

• Type of cooperation:employment contract
• Mental health support
• Free lunch at the office
• Referral bonus up to PLN 10,000
• PLN 600 on a benefit platform a month
• Passion clubs and social events (Tennis, salsa dancing, board games, family picnics and more!)

If you have any questions related to the position,please contactPatrycja Krzykala - Talent attraction partner.

BEC is in the process of being acquired by our largest customer and co-owner, Nykredit, which is Denmark's largest mortgage provider and third-largest bank. We will become part of a new and larger organization called Nykredit Financial Technologies. In the transition phase, we are recruiting for roles that we expect to be highly needed in our future organization.

Join a community of people sharing great ambitions

BEC is a financial technology company creating IT solutions for Danish banks. Together, we enable bank customers to invest online, take out loans and transfer money. In other words, we deliver the tech it takes to run a bank. We have 1,600+ employees spread across locations in Denmark and Poland. We collaborate in a flat hierarchy with a high degree of mutual trust. Here, great ideas have no rank, and we invite everybody to chip in to create the strongest IT solutions for our Danish banks. We're an equal opportunities employer. We hire top talent regardless of race, religion, color, national origin, sexual orientation, gender identity, or age. Learn more about us in our culture book:W e are BEC