Senior DBA/Platform Engineer

Congruity360; Belfast City District; Hybrid; GBP 70,000 - 110,000; Full time

Benefits offered by this job

Pension scheme

Flexible working hours

Health insurance and wellness programs

Generous holiday leave

Job summary

Congruity360 is seeking a Senior DBA / platform engineer to join our Engineering team in Belfast. The role focuses on expanding our data platform with ClickHouse and PostgreSQL while leveraging Parquet and cloud object storage.

You will participate in a dynamic development environment, influence technical decisions, and help deliver secure, high-quality software across our evolving product suite. The role is NI-based with a hybrid pattern requiring a minimum of two days in the Belfast office.

Qualifications

• 5+ years in a DBA/platform role.
• OLAP experience required.
• Experience with MergeTree design, partitioning, TTLs, materialised views, distributed tables and sharding.
• ETL/ELT pipeline design and operation; batch + near-real-time.
• Parquet and object storage as a query tier.

Responsibilities

• Contribute to a fast-paced development team delivering high-quality software.
• Drive technical decisions within the data platform team.
• Work on emerging data store technologies to support cybersecurity solutions.
• Collaborate with engineering to optimize data stores and data pipelines.

Skills

OLAP experience

Strong SQL

Self-motivated

Good communications

Attention to detail

Education

University degree in CS/Math/Physics

Tools

PostgreSQL

ClickHouse

Parquet/Blob storage

Azure Blob or S3

Job description

Job Title: Senior DBA / platform engineer

Department: Engineering

Reports To: Team Lead

Working Pattern: Hybrid – minimum 2 day per week in Belfast office

Location: Belfast, Northern Ireland (Role is NI based. Candidate must have right to live and work in UK)

Salary: Negotiable

Company background:

Congruity360 is headquartered in Boston with employees across the US, England and Northern Ireland. The Congruity360 flagship product, Classify360, enables clients to reduce their financial and data risk by increasing their data understanding, classification, and security, allowing clients to meet all of the current, new, and changing laws, regulations, and business drivers. In other words, making intelligent business decisions.

Job Summary:

A new product offering is emerging from concept phase, which expands our solution set from compliance and data governance into cybersecurity. This role offers the opportunity to work in emerging technologies with a primary focus on a data store skillset. The successful candidate will be an integral part of a dynamic team, working in a fast-paced development environment, generating creative solutions to solve customer needs and challenges. The successful candidate will be actively involved in driving technical decisions within the team, with a desire to produce high quality software to provide a superior client experience.

Education requirements:

• A University degree (or equivalent) in Computer Science, Mathematics, Physics, or related field

Experience:

• 5+ years relevant software engineering and development experience
• Proactive attitude with great communications skills, attention to detail, self-motivated, and the ability to work well with people are essential

Essential Criteria:

• 5+ years in a DBA / platform role
• OLAP experience
• MergeTree family design, partitioning, TTLs, materialised views, Distributed tables and sharding
• ETL/ELT pipeline design and operation; batch + near-real-time
• Parquet and object storage (Azure Blob or S3) as a query tier
• Query performance tuning and capacity planning
• Strong SQL; PostgreSQL competence

Desired Criteria:

• Clickhouse production experience at billions-of-rows scale
• Azure specifics: managed identity, Private Link, storage account patterns
• Lambda-style speed/batch architectures; re-runnable partitions
• Security event or observability data domains
• Statistical functions in ClickHouse (quantiles, entropy, windowed aggregates)

• System Integration
• Agile development

Company Benefits:

• Pension scheme.
• Flexible working hours and hybrid work options.
• Health insurance and wellness programs.
• Generous holiday leave and paid time off.
• Flexible working policy
• Volunteer policy