Demo

Software Engineer SME (TS/SCI with Poly Required)

GCI
Tysons Corner, VA Full Time
POSTED ON 5/9/2026
AVAILABLE BEFORE 7/8/2026

GCI embodies excellence, integrity and professionalism. The employees supporting our customers deliver unique, high-value mission solutions while effectively leverage the technological expertise of our valued workforce to meet critical mission requirements in the areas of Data Analytics and Software Development, Engineering, Targeting and Analysis, Operations, Training, and Cyber Operations. We maximize opportunities for success by building and maintaining trusted and reliable partnerships with our customers and industry.

At GCI, we solve the hard problems. As an Software Engineer SME, a typical day will include the following duties/skills:

    REQUIRED SKILLS

    • Demonstrated experience building and managing data pipelines.
    • Demonstrated experience with python.
    • Demonstrated experience with cloud computing using AWS services.
    • Demonstrated experience processing data using Apache Spark.
    • Demonstrated experience with an RDBMS (Relational Database Management System) (Postgres, Oracle, MySQL) and writing SQL queries.
    • Demonstrated experience with Linux and shell scripting.
    • Demonstrated experience analyzing data in different file formats like csv, xml, json, avro, parquet, etc.
    • Demonstrated experience writing and validating unit tests.

    DESIRED SKILLS

    • Demonstrated experience in NiFi, Apache AirFlow, or an equivalent solution or tool for orchestrating data pipelines.
    • Demonstrated experience with java or scala.
    • Demonstrated experience administering an EMR/Spark cluster.
    • Demonstrated experience conducting performance tuning of a spark job.
    • Demonstrated experience supporting Hive, Iceberg, or another technology providing SQL access to data.
    • Demonstrated experience developing cloud-based security solutions.
    • Demonstrated experience following a configuration management process to review and deploy code as patt of releases.

     

    A candidate must be a US Citizen and requires an active/current TS/SCI with Polygraph clearance. 

    Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans 

    Salary : $90 - $153

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