Senior Data Engineer

OKTO Integrated Services
Lisburn
2 days ago
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Job Title:Senior Data Engineer Location:Lisburn Salary:£75k or £ 450.00 per day contract. Role: OKTO is seeking a Senior Data Engineer to lead the architecture and implementation of a mission-critical digital operations system for several major projects. This role is foundational to our mission connecting diverse system endpoints such as power ,airflow, heating, medical gas and fire alarms into a centralised, resilient cloud-based infrastructure. You will be responsible for designing the end-to-end data lifecycle from high frequency time series ingestion to the creation of a Master Dashboard that ensures critical systems remain vital, accurate and trustworthy. OKTO provides industry leading investment per employee in personal development and on-going training. We are committed to employing the best qualified and highest certified technical team in the UK. The successful permanent applicant will enjoy £4,000.00 per annum investment in their own personal development every year. The successful permanent candidate will also receive a number of employment benefits such as: Company pension Cycle to work scheme Paid volunteer time Private medical insurance Birthday holiday Free lunch Fridays Length of service benefit Cinema tickets Free annual eye test Responsibilities: Data architecture & modelling: Design and implement a scalable architecture on Microsoft Azure to organise raw system data into curated, reporting-ready layers. Operational system integration: Build robust pipelines to ingest and process high-frequency time-series and IoT-like data from critical infrastructure. Cloud database production: Develop and manage the foundational cloud database using Azure Databricks, Synapse and Data Lake to serve as the single source of truth. Real-time processing: Implement and optimise streaming workloads using Kafka, Event Hub and Spark Streaming to ensure low-latency data availability for life-critical monitoring. Governance & compliance: Enforce strict data quality frameworks and maintain PII/PHI compliance, ensuring the integrity of sensitive healthcare and operational data. Visualisation & reporting: Collaborate with stakeholders to design and deploy the Master Dashboard using Power BI, utilising DAX and semantic models for actionable insights. Requirements: Azure mastery: Deep expertise in the Azure Ecosystem, specifically Databricks, Azure Data Factory (ADF), Synapse and Unity Catalog. Data engineering: Proficiency in Python, PySpark and Spark SQL for ETL/ELT pipeline development. Time-series expertise: Proven experience handling real-time, high frequency data feeds (e.g. aviation, sensor or industrial data) Schema design: Advanced knowledge of Star and Snowflake Schemas and Lakehouse architectures. Quality assurance: Hands-on experience with data validation tools like Great Expectations and observability platforms like Grafana. DevOps: Familiarity with CI/CD processes using Azure DevOps or GitHub Actions. Preferred Qualifications: 6+ years of experience in data engineering with a focus on resilient, high availability systems. Strong understanding of security protocols, including RBAC and Row-level Masking. Ability to work closely with AI/ML teams to support predictive maintenance or digital data products. Whats in It for You? Chance to be part of a focused and goal driven team Work alongside next generation building and estate controls and design technology and software An environment that helps foster personal and professional development offering in-house and industry training A hardworking and personally accountable working environment Excellent career progression opportunities The technical training includes: BCIA bms training AVIXA AV training Cnet IT training Nexus labs Smart Building training CEDIA training Smart Home Training Extensive Manufacturer / service provider training including: Schneider Tridium Barco Crestron Aruba Cisco Power BI Azure Management training includes: Report writing Email writing Commercial management Health and safety First aid

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