Senior Data Engineer Consultant

Company Description

Sia is a next generation management consulting firm and pioneer of Consulting 4.0. We offer a unique blend of AI and design capabilities, augmenting traditional consulting to deliver exceptional value to our clients. With +3000 consultants in 18 countries and expertise in more than 30 sectors and services, we optimize client projects worldwide. Through our Consulting for Good approach, we strive for next-level impact by developing innovative CSR solutions for our clients, making sustainability a lever for profitable transformation.  

Job Description

To support our growth, we are recruiting Senior Consultants specializing in Data Engineering solutions. You will lead client engagements, co-design data engineering solutions through close collaboration with clients, manage stakeholders, and ensure impactful project delivery from strategy through execution. 

Responsibilities:  

• Data Architecture & Pipeline Design: Building robust, scalable data pipelines and architectures to enable efficient ingestion, processing, and delivery of large volumes of structured and unstructured data. 

• Cloud & Distributed Systems: Designing and implementing data solutions leveraging modern cloud platforms (e.g., AWS, Azure, GCP) and distributed computing frameworks (e.g., Spark, Kafka). 

• Database Design & Data Modeling: Developing logical and physical data models and optimizing database solutions for various data types and workloads, including relational, NoSQL, time-series, and graph databases. 

• Data Integration & Loading Patterns: Implementing best practices for batch, streaming, and real-time data integration, adapting to structured, semi-structured, and unstructured data sources. 

• CI/CD & DataOps Practices: Enabling continuous integration and deployment of data services and infrastructure, using modern DevOps tooling to ensure reliability, versioning, and automation in data workflows.  

Within Sia itself you will: 

• Develop and enhance our Data Engineering offerings through internal training sessions, working groups, and internal/external publications. 

• Represent Sia at professional events, contributing actively to thought leadership initiatives (articles, white papers, webinars). 

• Drive business development by crafting compelling proposals, identifying new collaboration opportunities, and fostering long-term client relationships. 

• Manage client engagements, serving as a trusted advisor and subject matter expert to middle and senior-level management. 

• Supervise and mentor junior to medior consultants, guiding their professional growth, reviewing deliverables, and facilitating the development of technical and interpersonal skills. 

Your profile 

• Analytical thinker with a structured and proactive approach. 

• Experienced communicator capable of clearly articulating complex technical ideas to varied audiences. 

• Effective stakeholder manager, comfortable guiding teams through project delivery. 

• Demonstrated ability to mentor colleagues and facilitate professional development. 

Qualifications

• Completed WO Master's degree in Data Science, Econometrics, Applied Mathematics, Computer Science, (Energy) Engineering, or a related technical field involving substantial programming. 

• The specific stack that you will work with will depend on the client but, as an indication, we commonly work with Databricks, Snowflake and Azure. 

• 3-6 years of relevant professional experience (or equivalent academic research). 

• Strong analytical mindset with systematic problem-solving abilities. 

• A fast learner who demonstrates strong communication skills, adaptability, and entrepreneurial drive. 

• Fluency in English, with excellent communication and presentation abilities. Dutch or French fluency is a must. 

• Proven interest in Data Engineering, and relevant sectors such as Energy and Finance. 

What do we offer? 

• Competitive salary package, including annual salary increase, bonuses, and flexible mobility options (company car or personalized mobility plan). 

• Tailored training and development opportunities to position you as an expert in your field. 

• Flexible working arrangements (office, home, client sites) and international project exposure. 

• Collaborative global environment fostering professional growth and knowledge sharing.