Data Engineer II

Data Engineer (Junior to Mid-Level)

Salary: $110,000 - $130,000
Timing: XSITE anticipates a start date of: April 14th, 2026
Work authorization: United States (Required)

General Position Description:

XSITE LLC is looking for a highly self-motivated Data Engineer who will work closely with NIWC Pacific employees and Fleet to progress analytics projects through the complete data science life cycle. These projects will follow an agile methodology by organizing work into “sprints”, with the scope of each sprint decided beforehand by the Government, in order to adjust to changing circumstances or to capitalize on new opportunities discovered during the project.

Job Description:

In this capacity, the successful candidate will be required to:

• Collaborate closely with NIWC Pacific personnel and Fleet stakeholders to execute analytics initiatives across the full data science lifecycle (problem definition, data collection, modeling, evaluation, and deployment)
• Apply Agile methodologies by organizing work into iterative sprints, with priorities and scope defined in coordination with Government stakeholders to adapt to evolving mission needs
• Partner directly with Government clients to translate operational and business challenges into data-driven problem statements and analytical approaches
• Develop and implement advanced analytical solutions using Machine Learning, Artificial Intelligence, and statistical modeling techniques
• Validate and refine analytical models through testing, evaluation, and stakeholder feedback to ensure mission relevance and accuracy
• Communicate technical findings and insights to both technical and non-technical audiences, supporting data-informed decision-making
• Identifyopportunities to leverage new data sources, tools, and methodologies to enhance analytical capabilities and project outcomes
• Ensure compliance with DoD standards, data governance policies, and security requirements throughout all phases of analysis

• US Citizenship
• Active Secret Clearance Required
• Bachelor’s or higher degree in DataScience,Computer Science, orMathematicsor related field that includes study of statistics and applied mathematics
• 2-5years of experiencewith the full data science lifecycle, including problem definition/hypothesis
• 0-3 years of experiencewith applyingstatistics, probability,anddata engineeringfundamentals
• 0-3 years of experience with predictive modeling and machine learning (e.g., clustering, classification, time series analysis, regression techniques)
• 0-3 years of experiencewithPython programming, data engineering, feature engineering, and data visualization
• 0-3 years of experience withPython and data science libraries, such as Pandas,NumPy, Matplotlib, Seaborn, Scikit-Learn,and/orTensorFlow/Keras
• 0-3 years of experience with data tools and platforms, suchasTableau,Gitandcloudservices (e.g.,AWS, Azure)
• Proven ability to collaborate with cross-functional teams and communicate complex technical findings clearly to both technical and non-technical audiences

• Experience with data extractionand manipulation from legacy, relational (SQL) database systems
• Experience with artificial intelligence includingoptical character recognition (OCR) and/ordeep learning

• Experience working with Federal Government, including as Civilian or Contractor

Why XSITE LLC?
We are Service-Disabled Veteran-Owned company headquartered in San Diego. XSITE delivers high-impact solutions across artificial intelligence and machine learning (AI/ML), model-based systems engineering, software development, and simulation

XSITE is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status.

Best-in-Class Benefits & Work–Life Balance

• Industry leading PTO package, starting at 15+ days annually.
• Seven (7) paid company holidaysannually, including New Year’s Day, Memorial Day, Independence Day, Labor Day, Veterans Day, Thanksgiving Day, and Christmas Day.
• 100% employer-paid employee coveragefor Medical, Dental, Vision, and Basic Life Insurance.
• Eligibility toparticipatein XSITE’s401(k) retirement planwith up to a 6% employer match.
• Eligibility to receivetuition reimbursementofup to $5,250per year for job-related education.
• University of San DiegoEducation Benefitsof 10% tuition discount on select online degree programs and 25% discount on certificate programs.
• Cell Phone Stipend.
• Hybrid work environment.
• As well as employeeadd on benefitsoffered via ADP.

Stability & Long-Term Growth

• Prime contract holderwith long-term stability
• Mentor-Protégé JVpartnership with a major defense company

Career Advancement

• Rapid growth (300% YoY) with opportunities forleadership and upward mobility.