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Unisys Linkedin · Posted 24d ago

Big Data Engineer

Moldova

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🚀 Hiring: Big Data Engineer (AWS | Spark | SQL | AI Tools)

📍 Location: Rockville, MD or Tysons Corner, VA (3 days office Hybrid)


We are looking for a highly skilled Big Data Engineer to design, build, and optimize large-scale data processing systems. This role involves working on modern data platforms supporting interactive analytics and reporting solutions in a fast-paced environment.

You will collaborate with cross-functional teams to develop scalable data pipelines, improve system performance, and leverage cutting-edge technologies including AI-assisted development tools.


🔧 Key Responsibilities:

  • Design and develop scalable data pipelines using Spark, Hadoop, and cloud technologies
  • Build and optimize ETL/data processing workflows handling large datasets (TB–PB scale)
  • Implement efficient data ingestion, transformation, and storage solutions
  • Optimize performance of distributed systems and troubleshoot production issues
  • Collaborate with data scientists, analysts, and engineering teams
  • Ensure data quality through testing, monitoring, and automation
  • Leverage AI tools (Copilot, ChatGPT, etc.) to improve development workflows


✅ Must Have Skills:

  • 5+ years of experience in Big Data Engineering
  • Strong hands-on experience with Apache Spark (core + performance tuning)
  • Expertise in SQL (window functions, joins, optimization)
  • Strong programming skills in Python / Scala / Java
  • Experience working with large-scale data (terabytes or more)
  • Hands-on experience with AWS (S3, EMR, Glue, Lambda, Athena, etc.)
  • Experience with Hadoop ecosystem (Hive, HDFS, etc.)
  • Strong understanding of distributed systems & data processing architectures
  • Experience with CI/CD pipelines
  • Hands-on exposure to AI tools (GitHub Copilot, ChatGPT, etc.)


⭐ Nice to Have:

  • Experience with Trino / Presto
  • Knowledge of Spark internals & optimization techniques
  • Experience with data pipeline monitoring & troubleshooting
  • Exposure to Agile/Scrum environments


💡 What We’re Looking For:

  • Strong problem-solving mindset with real-world debugging experience
  • Ability to work in fast-paced, high-scale environments
  • Someone who can own data pipelines end-to-end


📩 If you're interested or know someone who fits, feel free to reach out!

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