Big Data Engineer
First seen by Alion on Aug 21, 2026.
Role Overview :
We are seeking a seasoned Big Data Engineer to join our high-performing data platform team. In this role, you will be responsible for architecting, developing, and maintaining robust data pipelines that process massive datasets to fuel our analytical engines. You will work closely with cross-functional teams, including data scientists, product managers, and infrastructure engineers, to translate complex business requirements into scalable technical solutions. By optimizing our Hadoop and Spark ecosystems, you will directly influence the speed and reliability of our data-driven decision-making processes, ensuring that our stakeholders have access to high-quality, actionable insights that drive business growth.
Key Responsibilities :
- Design and implement scalable data pipelines using Scala and Spark to ingest and transform large-scale datasets, ensuring high availability and performance for downstream analytics.
- Optimize complex SparkSQL queries and Hadoop jobs to reduce processing latency, directly improving the efficiency of our data infrastructure.
- Collaborate with engineering teams to integrate real-time data streams using Kafka, enabling low-latency data availability for critical business applications.
- Maintain rigorous data quality standards by implementing automated testing and monitoring frameworks, ensuring reliability for all internal and external data consumers.
- Partner with stakeholders to identify data bottlenecks and implement innovative engineering solutions that support the long-term scalability of our Big Data platform.
Required Skillset :
- Demonstrated expertise in building distributed data systems using Hadoop, Spark, and Scala, with a deep understanding of performance tuning and memory management.
- Proven ability to write complex SQL queries and develop efficient data models that support diverse analytical use cases.
- Strong proficiency in Python for scripting and automation, complemented by hands-on experience in managing data flows through Kafka.
- Exceptional communication skills with the ability to articulate technical concepts to non-technical stakeholders and work effectively within a collaborative, fast-paced environment.
- A Bachelors or Masters degree in Computer Science, Engineering, or a related quantitative field, reflecting a strong foundation in data structures and algorithms.
- Ability to thrive in a hybrid work model across our Chennai, Bangalore, Pune, or Mumbai offices, demonstrating high levels of self-motivation and adaptability to evolving project requirements.
- 5 - 8 years of professional experience in Big Data Engineering, with a track record of delivering high-impact data solutions in enterprise environments.
Skills
Hadoop, Scala, Big Data, Data Engineering, Python, Data Pipeline, SQL, Kafka, Spark, Data Ingestion