Data Architect (m/f/d) for Vantage Towers

Vodafone Group Plc; Lisboa; On-site; EUR 75,000 - 110,000; Full time

Benefits offered by this job

Hybrid work

Laptop & mobile plan

Salary & vacation package

Nursery subsidy

Learning & growth

Job summary

Vantage Towers, based in Portugal, is seeking a Senior Data Architect to own the Data Estate and build scalable cloud-native architectures for our data lake and analytics landscape.

You will design data solutions, enable AI/ML use cases, ensure governance, and lead with a collaborative, multinational team across Europe.

Qualifications

• University degree or equivalent practical experience in a relevant IT field.
• 4 years of experience in data architecture, data engineering, or related roles.
• Strong knowledge of data modeling, integration patterns, and data storage design.

Responsibilities

• Own the Data Estate by designing scalable, secure data architectures for the VT Data Lake.
• Design and optimize data solutions and models for analytics and reporting at scale.
• Enable AI/ML use cases by defining governed data access and curated datasets.
• Lead technical design reviews and establish data governance principles.
• Collaborate with vendors to deliver high-quality, compliant data solutions.

Skills

Data architecture

Python/Java

SQL

Cloud data platforms

Education

University degree in IT, computer science, engineering, business or maths with IT relevance

Tools

Google Cloud Platform (GCP)

BigQuery

Power BI

Job description

At Vantage Towers, we're on a mission to power Europe's sustainable digital transformation. As a leading tower company, we're ushering in an era of technology-driven advances to help connect people, businesses, and internet-enabled devices like never before. We combine the scale, stability and quality of our tower network with the agility, optimism and energy of a start-up.

As a young TowerCo, we have already achieved strong results with a continued focus on accelerating growth and a special emphasis put on sustainability. As part of our team, you'll work in a dynamic and multicultural environment that embraces open communication, collaboration and teamwork.

If you're ready to take responsibility and shape the future of telco infrastructure with us, then let's level up in your career and reach the top, together.

Your Responsibilities

• Data Architecture: You will be the owner of the Data Estate by designing and owning scalable, secure, and future-proof data architectures that form the backbone of our VT Data Lake and analytics landscape, defining end-to-end solutions across cloud platforms.
• Model & Solutions Design: You build and optimize data solutions and models (ETL/ELT, orchestration, services and storage design) to support analytics and reporting at scale.
• AI & Use Case Enablement: You enable targeted AI/ML use cases by defining governed data access patterns and curated datasets that provide trusted context, while exploring and piloting emerging technologies (including agentic AI).
• Technical Leadership & Governance: You lead technical design reviews, assess architectural trade-offs, establish data governance principles, and ensure solutions follow industry best practices.
• Vendor & Quality Management: You lead and challenge external vendors to deliver high-quality, maintainable, and compliant data and analytics solutions.

Your Profile

• Educational Background: University degree in IT, computer science, engineering, business or maths with IT relevancy, or equivalent practical experience.
• Professional Experience: 4 years of experience in data architecture, data engineering, or related roles, including practical experience designing or implementing scalable, cloud-native data solutions in distributed and multinational environments.
• Technical Skills:
• Required: Strong knowledge of data architecture principles (data modeling, integration patterns, pipeline orchestration, storage design). Proficient programming skills in Python or Java alongside advanced SQL.
• Nice to have: Hands-on exposure to supporting AI/ML workloads on data platforms (e.g., Vertex AI or BigQuery ML), experience enabling cross-platform access to governed data (e.g., MCP/A2A concepts), and experience with BI/Reporting platforms (preferably Power BI). Experience with Google Cloud Platform (GCP) and BigQuery is highly beneficial.
• Soft Skills: Strong architectural mindset with the ability to structure complex data landscapes. You have a confident, structured, and solution-oriented working style, with the ability to simplify complex technical designs for non-technical stakeholders and balance conceptual thinking with pragmatic execution.
• Language Proficiency: Fluent English (C1 level), both written and spoken, with excellent communication skills.

At Vantage Towers we operate in 8 different European countries. This role will be based in Portugal.

What we offer - Flexibility & Growth Opportunities

• Flexible work: we offer a hybrid working model, which allows you to work 2 days per week from our Lisbon office and 3 days remote.
• Top Equipment: you receive a new laptop as well as a mobile plan & device
• Salary & Vacation: you will receive an attractive salary package. Additionally, you can profit from a meal allowance delivered on a Pluxee card (10.20€/day) and 7 extra vacation days
• Work-Life-Balance: we offer nursery subsidy and parental leave support
• Learning & Growth: LinkedIn Learning, individual support for your professional and personal development as well as international career opportunities
• Health & Social Care: profit from a Pension plan, full health insurances (for you and co-payment for family members) and life insurance
• Team & Culture: work in a diverse, multiculture team which is committed to the values: Accountability, Respect, Teamwork and Trust. We offer the unique opportunity to shape our organization - together as OneVT.

We are committed to fostering an inclusive workplace where everyone can thrive. Applications from all individuals, regardless of background, identity, or ability are more than welcome. If you require any reasonable adjustments during the recruitment process, please contact us so we can support you.