Senior Data Architect at XM – Athens | Jobyssey

The Role:

We are seeking a Senior Data Architect to define the strategic vision, enterprise-wide governance, and next-generation evolution of our overarching data architecture. You will set the enterprise standard for data management, advanced data modeling, and architectural design, enforcing best practices and ensuring our mission-critical data platforms are resilient, performant, and deeply aligned with long-term strategic objectives.

The main responsibilities of the position include:

Partner with IT leadership to establish, plan, and execute departmental targets and KPIs in alignment with corporate goals.
Oversee the end-to-end data architecture lifecycle, including platform selection, technical design, and the delivery of critical modernization programs.
Manage conceptual, logical, and physical data models while defining non-functional requirements (scalability, performance) for mission-critical systems.
Establish enterprise-wide data architecture guidelines, lead technical review sessions, and maintain version-controlled architectural artefacts.
Collaborate with IT Governance on metadata management, data quality metrics, and audit compliance to ensure adherence to security and enterprise regulations.
Drive continuous innovation by evaluating emerging technologies and integrating advanced analytics capabilities to enhance data-driven solutions.
Lead, coach, and motivate the data architecture team by setting performance targets, providing regular feedback, and fostering a culture of knowledge sharing.
Partner closely with project teams as an embedded contributor, guiding schema design, physical design choices (e.g., indexing and partitioning), data access patterns, and query optimization best practices.
Advise project teams on the end-to-end data product lifecycle, from platform selection through testing and implementation.
Develop onboarding and training programs for Data Architecture, and extend architectural expertise and services across all Group companies.

Main requirements:

BSc/MSc in Computer Science, Information Technology or related field.
At least 5 years’ experience in data-architecture or related roles, including leadership of enterprise initiatives
Deep expertise in data-platform patterns (lakehouses, data mesh) and advanced modelling techniques
Proven track record in designing scalable, high-availability data architectures and respective SLAs
Demonstrable Experience across the following domains:
Metadata and Master Data Management, Data Quality, Data Warehousing, Reporting & Data/Analytics.
Enterprise data modelling
Data Governance
Data Platforms
ETL Tools
Data Standards
Demonstrable experience using Cloud data technologies to develop enterprise data platforms
Proven success in architecting enterprise data strategies, building ROI-driven business cases, and aligning architecture across multiple business units.
Strong expertise in designing automated data pipelines and navigating data security, privacy frameworks, and regulations.
Demonstrated leadership ability to motivate, coach, and develop a high-performing technical team.
Highly effective in agile delivery models, with excellent facilitation skills for Architecture Review Boards and stakeholder committees.
Exceptional analytical, problem-solving, and interpersonal communication skills.

Benefit from:

Attractive remuneration package
Private health insurance
Corporate pension fund
Intellectually stimulating work environment
Continuous personal development and international training opportunities

The Hiring Experience: What Awaits You

Let’s Connect – Intro Chat with Talent Acquisition
Deep Dive – First Interview with Your Future Team
Bring It to Life – Role-Specific Take-Home Task
Final Connection – Final Interview

All applications will be treated with strict confidentiality!

Senior Data Architect

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