Top Data Engineer Jobs in Portugal

Design and specify data center HVAC and heat-rejection systems, select cooling technologies, perform CFD airflow analysis, plan redundancy and capacity, ensure air quality and energy efficiency, and coordinate mechanical and electrical integration across projects.

Lead electrical design for hyper-scale data centers including medium/low-voltage distribution, backup and emergency power, schematics, BOMs, code compliance, testing, maintenance planning, and mentoring. Act as Engineer of Record, provide technical estimates, lead client relationships, and recommend technologies to maximize reliability and efficiency.

Design and optimize data center heat rejection and HVAC systems, perform heat load calculations and CFD airflow analysis, select cooling systems, ensure redundancy and energy efficiency, coordinate with electrical/mechanical trades, and support capacity planning and air quality controls.

Design electrical systems for hyperscale and colocation data centers, including power distribution, backup/emergency systems, calculations, drawings, schematics, and code compliance (NEC/IBC/IECC). Collaborate with stakeholders, maintain design documentation, and apply power-system analysis tools (SKM/ETAP) and BIM (Revit) to deliver projects.

Design and engineer data center heat rejection and HVAC systems, select cooling equipment, run CFD airflow analyses, plan capacity and redundancy, optimize energy efficiency and air quality, and coordinate mechanical-electrical integration on client-facing projects with occasional travel.

Lead electrical design for hyperscale data centers including medium/low-voltage distribution, backup and emergency power. Produce schematics, BOMs, and installation drawings; ensure NEC/IEC compliance; perform load analysis, maintenance planning, safety procedures, and mentor engineers. Serve as Engineer of Record and lead client technical relationships.

Design and deliver electrical systems for colocation and hyperscale data centers, including medium/low-voltage distribution, backup and emergency systems, electrical calculations, drawings, schematics, bills of materials, and code compliance. Collaborate with stakeholders, maintain design documentation, and stay current with data center technologies and standards.

Design and engineer data center HVAC and heat-rejection systems, perform CFD airflow analysis, size cooling capacity, ensure redundancy and energy efficiency, coordinate with electrical/mechanical trades, and plan for phased expansions and air quality controls.

Own and improve analytics datasets and ETL pipelines powering an internal product analytics AI agent. Build retrieval, knowledge, evaluation, and backend agent workflows. Improve retrieval and answer quality, develop evaluation systems, and create user-facing features. Partner with data scientists to turn analytics needs into scalable capabilities and help set roadmap and technical direction for the data and quality side of the platform.

Lead design and delivery of an enterprise Azure/SAP-based data and AI platform using Microsoft Fabric and SAP BDC. Define architecture, governance, IaC, CI/CD, reusable ingestion/integration patterns (including PI historian and SAP), semantic models, and partner with stakeholders to produce secure, scalable, production-grade analytics, reporting, and AI capabilities.

Design and implement scalable, production-quality data solutions using cloud-based big data technologies. Develop and optimize Spark/Hive workflows, write code in Scala/Python/Java, perform performance tuning, participate in SDLC and agile processes, and collaborate to identify and execute improvements.

Build and operate scalable data pipelines and feature datasets for ads ML. Own end-to-end offline flows from event ingestion to feature-ready datasets, develop batch and streaming systems, integrate feature store with online serving, improve observability and testing, and lead architectural decisions to ensure performance, correctness, and reliability at scale.

Design, build, and operate scalable data platform services and self-service tooling for Unity Ads. Lead cross-functional initiatives across distributed systems, pipelines, cloud infra, observability, and developer experience. Provide hands-on technical leadership, establish platform patterns and standards, and deliver reliable, extensible, high-throughput data infrastructure used by many teams.

Design, evaluate, and productionize generative AI/ML solutions (RAG, agents, embeddings, retrieval). Build evaluation frameworks for hallucination detection, benchmark LLMs, optimize prompts/models, create datasets, fine-tune models, and collaborate to deploy and monitor enterprise-scale GenAI systems.

Design, build, and maintain scalable analytics pipelines and data models. Write efficient SQL, create dashboards and reports, monitor data quality, and partner with cross-functional teams. Leverage AI tools to accelerate analytics workflows and improve decision-making across the company.

Senior electrical authority for data center power architectures. Define reference designs, single-line diagrams, redundancy and fault-tolerance for UPS, BESS, PCS, microgrids and 800 Vdc systems. Own requirements traceability and compliance with standards, lead customer and OEM engagements, inform product roadmap, and evaluate vendor/partner fit for hyperscale, colocation, and AI data center deployments.

Design, build, and optimize scalable cloud-based data pipelines and infrastructure. Implement orchestration, real-time streaming, API integrations, data modeling, governance, and CI/CD; collaborate with cross-functional teams to ensure data quality and availability.

Implement Redpoint Customer Engagement Hub and RPDM ETL, data hygiene, and identity resolution. Build data ingestion/automation, troubleshoot client implementations, collaborate with development and project teams, and support product feature identification.

Design, configure, and tune DLP controls across email, print, web, removable media and data-at-rest. Analyze DLP events, implement preventative controls, create dashboards and reports, integrate continuous security event ingestion with Splunk, and perform insider risk data mapping and remediation across cloud and network storage.

Lead design and evolution of Archer's data warehouse/lakehouse architecture, define modeling and governance standards, partner with stakeholders to build reusable data models, optimize storage and compute, and maintain production-grade, reliable ETL pipelines.

Build and scale ad-tech data infrastructure and pipelines ingesting SSP/DSP/GAM sources, transform log-level and CRM data into analytics-ready datasets, maintain warehouses, implement data quality and privacy controls, and support BI and analytics teams for real-time campaign insights.

Build and maintain full-stack, AI-native features for Cross River's data platform, including React UIs, Python APIs, LLM-powered agents, RAG, and natural-language-to-SQL experiences. Ensure secure, auditable model integration, data governance, and operational stability while collaborating across engineering and data teams.

Lead Data Privacy Engineer responsible for embedding privacy principles, ensuring regulatory compliance, and leading data protection initiatives across systems and cross-functional teams.

Design, architect, and build low‑latency, high‑throughput real‑time streaming systems that ingest, process, and distribute market data to trader GUIs. Collaborate with trading, infrastructure, and support teams to ensure accurate tick‑to‑trade delivery, operate and debug production systems, set technical direction, and mentor other engineers.

Design, build, and maintain end-to-end batch and streaming data pipelines on GCP. Migrate legacy warehouses to BigQuery/Bigtable/ClickHouse, orchestrate workflows in Airflow, ensure data quality and observability, and partner with ML engineers on feature pipelines, drift monitoring, and retraining.