Data Scientist (Level 3 or4)

Company: Northrop Grumman
Location: San Antonio
Posted on: April 2, 2026

Job Description:

RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: SCI TRAVEL: Yes, 10% of the Time Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work — and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history. We are seeking an experienced Principal or Sr. Principal Data Scientist to join our dynamic team of technical professionals. The qualified applicant will become part of Northrop Grumman’s Mission Systems support team in San Antonio, TX . Please be aware that this position will be contingent upon capturing program award, obtaining customer funding, and holding final clearances prior to start date. * Essential Duties: Data Architecture & Modeling – Design scalable data mining pipelines, establish protocols for data ingestion, cleaning, transformation, and storage. Evolve models to capture long?term trends and support real?time analytics. Statistical Insight – Perform exploratory data analysis, hypothesis testing, and advanced statistical modeling to identify key drivers and associations within heterogeneous data sources. Visualization & Reporting – Create interactive dashboards and reports using modern BI and visualization tools (e.g., Tableau, Power BI, Plotly) to communicate insights to technical and non?technical stakeholders. Cross ?Functional Collaboration – Partner with engineering, operations, and business units to define problem statements, translate requirements into analytical solutions, and integrate findings into product roadmaps. Innovation & Knowledge Leadership – Stay abreast of cutting?edge data science methodologies (e.g., deep learning, reinforcement learning) and evaluate their relevance to defense contexts. Mentor teams and promote a culture of data?driven decision making. Governance & Quality – Establish data governance standards, data quality metrics, and reproducibility practices across the analytics lifecycle. This position can be filled at the Principal or the Sr. Principal Level. Basic Qualifications for Principal Data Scientist: Bachelor’s degree in related STEM discipline with 5 years of experience; Master’s degree related in STEM discipline with 3 years of experience; PhD in related STEM discipline with 1 year of experience in Electrical Engineering, Systems Engineering, Software Engineering, Computer Engineering, Physics, Mathematics or related technical fields; an additional 4 years of experience may be considered in lieu of a degree. U.S. Citizenship required A current/active DoD Top Secret w/ SCI eligibility Expertise in statistical modeling (regression, classification, time series) and machine learning (supervised/unsupervised) Proficient in Python/R, SQL, and big?data frameworks (Spark, Hadoop) Strong data wrangling and feature engineering abilities Advanced visualization and storytelling with libraries like Matplotlib, Seaborn, D3.js Familiarity with cloud analytics platforms (AWS SageMaker, Azure ML, GCP AI Platform) Basic Qualifications for Sr. Principal Data Scientist: Bachelor’s degree in related STEM discipline with 8 years of experience; Master’s degree related in STEM discipline with 6 years of experience; PhD in related STEM discipline with 4 years of experience in Electrical Engineering, Systems Engineering, Software Engineering, Computer Engineering, Physics, Mathematics or related technical fields; an additional 4 years of experience may be considered in lieu of a degree. U.S. Citizenship required A current/active DoD Top Secret w/ SCI eligibility Expertise in statistical modeling (regression, classification, time series) and machine learning (supervised/unsupervised) Proficient in Python/R, SQL, and big?data frameworks (Spark, Hadoop) Strong data wrangling and feature engineering abilities Advanced visualization and storytelling with libraries like Matplotlib, Seaborn, D3.js Familiarity with cloud analytics platforms (AWS SageMaker, Azure ML, GCP AI Platform) Preferred Qualifications for both levels: Bachelor’s degree in the STEM field of study. Excellent communication: ability to translate complex analytics into clear, actionable insights Leadership: mentoring, influencing cross?functional teams, driving analytical strategy Working knowledge of Cybersecurity technologies, NIST standards, and RMF governance Strong analytical and problem?solving abilities Proven ability to influence and drive adoption of best practices across teams SAP access Primary Level Salary Range: $113,900.00 - $170,900.00 Secondary Level Salary Range: $142,200.00 - $213,200.00 The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business. The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates. Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO and pay transparency statement, please visit http://www.northropgrumman.com/EEO. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.

Keywords: Northrop Grumman, Pflugerville , Data Scientist (Level 3 or4), IT / Software / Systems , San Antonio, Texas