Jr Data Engineer Jobs (NOW HIRING)

Career Opportunities with Castalia Systems A great place to work. Careers At Castalia Systems Current job opportunities are posted here as they become available. Data Engineer – Jr Location:
Chantilly, VA START YOUR APPLICATION Job Type: Full- Time Clearance: TS/SCI with a CI Poly Must be a U.S. Citizen Job Summary Castalia Systems is seeking a Data Engineer-Junior to support one of our government customers in Chantilly, Virginia. The Data Engineer utilizes a diverse range of data-focused skills, experience, deep technical and analytical problem solving, and team-centered solutioning for complex problems to satisfy priority information enabling operations. This position requires strong attributes for problem solving, data analysis, troubleshooting, analytical thinking, and experimentation, often under time sensitive decisions. Roles and Responsibilities * Utilize statistical techniques to analyze and extract relevant information from large amounts of data
* Automate and optimize data extraction, cleaning, processing and analysis functions
* Develop, validate, and implement data models to solve problems/answer questions
* Develop and implement novel statistical approaches to address complex issues
* Perform data science/engineering with little guidance and independently write reports detailing methods, results, and impacts to assigned issues
* Support in the acquisition of systems, software, and data science related capabilities. experience performing data science/engineering work and writing reports based upon the resulting work/accomplishments * Proficiency in statistics packages such as SPSS, SAS, S-PLUS, and R
* Programming skills sufficient to extract, transform, and clean multi-terabyte databases
* Significant current experience (i.e., within last 2 years) in data science/engineering work
Required Qualifications * Bachelor of Science Degree in Science, Technology, Engineering, or Mathematics
* 0 - 5+ years of progressive, relevant work experience.
* Develop and implement methods of automation and optimization of data and products to present to upper management
* Demonstrate understanding of statistical analysis such as regression, anomaly detection and clustering
* Create data packages in the form of databases (DBs), reports, and interactive visualizations
* Demonstrate effective communication skills to relay data science activities, technical findings, and data products for both technical and non-technical customers
* Ability to combine a diverse set of data sources containing multiple forms of information including, but not limited to, Open Source, Publicly Available Information (PAI), Commercially Available Information (CAI), and intelligence records to provide technical information to produce data packages
* Demonstrated ability to use technical and analytic skills to solve complex problem
Preferred Qualifications * Hands-on experience using commercially available data exploitation and visualization tools for analysis (e.g., MS Excel, Tableau, Power BI, Wireshark)
* Knowledge of National Intelligence Agencies and Department of Defense elements
* Advanced Statistical knowledge and analysis methods (e.g., Linear models, multivariate analysis)
* Experience in analytical tool development, identification, and integration
* Master's degree in a science related field
Physical Requirements/Work Environment * Normal office environment.
Travel * CONUS and OCONUS travel may be required. (10%)
Company Description Castalia Systems is a proven business partner providing mission critical solutions to the Federal Government. We provide cutting edge solutions from Securing and Managing Data to Systems Engineering and Development. Castalia Systems is a pioneer in Artificial Intelligence Design and Application. With our vast knowledge of our customers’ needs and relevant technology, our team is able to bring successful solutions to every mission. We are one-upping our competitors by providing premium IT solutions and platforms with cutting-edge technology so it’s so evident when you compare us with anyone. Compensation At Castalia Systems, we provide you with opportunities and choices and support your total well-being. Our benefits include: Medical, dental, vision coverage, 401k matching, generous PTO, paid holidays, professional training opportunities, and even pet insurance to ensure your furry friends are cared for too. All regularly scheduled employees working at least 30 hours per week are eligible to participate in Castalia Systems’ benefit programs. Individuals that do not meet the threshold are only eligible for select offerings, not inclusive of health benefits. Salary at Castalia Systems is determined by various factors, including but not limited to location, position knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. The projected compensation range for this position is $127,500.00 to $135,000.00 (annualized USD). The estimate displayed represents the typical salary range for this position and is just one component of Castalia Systems’ total compensation package for employees. Disclaimer Castalia Systems is an equal employment opportunity and affirmative action employer and strives to comply with all applicable laws prohibiting discrimination based on race, color, creed, sex, sexual orientation, age, national origin, or ancestry, physical or mental disability, veteran status, marital status, HIV-positive status, as well as any other category protected by federal, state, or local laws. All such discrimination is unlawful, and all persons involved in the operations of the company are prohibited from engaging in this type of conduct. Visit Our Home Page © 2026 Castalia Systems Applicant Tracking System