Data Engineer, Jr

About the role

Job Type: Full‑Time • Workplace Type: Onsite • Clearance: TS/SCI with CI poly • Must be a U.S. Citizen.

Castalia Systems is seeking a Jr.-level Data Engineer to support a government customer 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.

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 its so evident when you compare us with anyone.

Work environment: normal office setting; travel as needed.

Responsibilities

• Develop and implement methods of automation and optimization of data and products to present to upper management.

Requirements

• Bachelor of Science Degree in Science, Technology, Engineering, or Mathematics.
• 5+ years of progressive, relevant work experience.
• Demonstrate understanding of statistical analysis such as regression, anomaly detection and clustering.
• 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.
• Ability to elicit and define system requirements, track progress against defined milestones to ensure completion, and evaluate test results to validate system performance and acceptance criteria.
• Demonstrated ability to design, develop, and maintain software solutions, including writing production‑quality code, managing version‑controlled repositories, and writing technical documentation.

Skills

• Master's degree in an engineering or science related field (preferred).
• Hands‑on experience leveraging modern data analysis and engineering tools (e.g., Python, Excel, AWS) to process, analyze, and visualize data, enabling efficient insight generation and decision support.
• Knowledge of National Intelligence Agencies and Department of Defense elements.
• Familiarity with the space domain, including orbital mechanics, satellite systems, space‑based sensors and associated operational concepts.
• Familiarity with Agile processes.
• Advanced statistical knowledge and analysis methods (e.g., Bayesian Statistics, multivariate analysis, machine learning techniques).
• Experience in analytical tool development, identification, and integration.

Benefits

• Medical, dental, vision coverage
• 401k matching
• Generous PTO
• Paid holidays
• Professional training opportunities
• Pet insurance

Pay

Projected compensation range: $150,000.00 to $160,000.00 (annualized USD). Salary is determined by location, knowledge, skills, competencies, experience, contract‑specific affordability, and organizational requirements.