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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Data Analyst III - PNT SE&I - **Company:** CELERIS SYSTEMS, INC. - **Location:** El Segundo, CA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Agile Methodology, Data Analysis, Systems Engineering, Big Data, Databases, Data Cleansing, Extract Transform Load (ETL), Data Visualization, Global Positioning Systems (GPS), R (Programming Language), Statistical Hypothesis Testing, Python (Programming Language), PostgreSQL, MongoDB, MySQL, Regression Analysis, Software Engineering, SQL Databases, Systems Integration, Data Processing, Data Storage Technologies, SC Clearance, Information Technology - **Published:** September 3, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9137649/data-analyst-iii-pnt-sei ## About the Role The ideal candidate is detail-oriented, analytical, and comfortable working with complex technical datasets. This role will support data collection, cleaning, transformation, integration, analysis, visualization, and reporting to help assess requirement criteria, identify trends, support root-cause analysis, and provide actionable insights to team leaders and government customers., * Bachelor's degree in Data Science, Statistics, Computer Science, Engineering, or related field. * 5+ years of data analysis experience. * Active Secret clearance. * Proficiency with Python, R, SQL, or similar tools for data manipulation and analysis. * Experience with data visualization tools and dashboard development. * Familiarity with databases such as MySQL, PostgreSQL, MongoDB, or similar data storage systems. * Understanding of data cleaning, transformation, and ETL processes. * Experience integrating or merging datasets from multiple sources. * Strong written and verbal communication skills with the ability to explain data-driven insights to technical and non-technical audiences. Desired Qualifications * Master's degree. * GPS, PNT, space systems, or DoD SE&I experience. * Strong Python coding experience. * Knowledge of MBSE or software engineering systems. * Agile execution methods and tools experience. * Experience with statistical concepts such as regression analysis, hypothesis testing, trend analysis, or correlation analysis. * Experience writing clear data documentation, analytical reports, or technical summaries. * Strong attention to detail, critical thinking, problem-solving skills, and ability to manage multiple priorities. Location: El Segundo, CA This position requires on-site support and the ability to maintain a DoD Secret security clearance. ## Description Celeris Systems, Inc (Celeris) is seeking a Data Analyst to support the Positioning, Navigation, and Timing Systems Engineering and Integration (PNT SE&I) team supporting the U.S. Space Force. PNT SE&I provides engineering, integration, technical analysis, and subject matter expertise (SME) support to the US Space Force. The PNT SE&I team works in a high-paced environment with Government personnel and system developers to ensure GPS remains the gold standard for positioning, navigation, and timing., * Clean, preprocess, standardize, normalize, and enrich datasets to ensure accuracy, consistency, and completeness. * Identify and address missing data, outliers, inaccuracies, and inconsistencies across large datasets. * Integrate data from multiple sources using querying, transformation, and data workflow techniques. * Develop and optimize data joins, pipelines, and repeatable analysis processes. * Collaborate with stakeholders to gather technical requirements and translate objectives into measurable data analysis criteria. * Develop documentation describing analytical requirements, methodologies, assessment criteria, and analysis frameworks. * Perform exploratory and descriptive data analysis to identify trends, patterns, discrepancies, correlations, and potential root causes. * Generate reports, dashboards, charts, visualizations, and data narratives for technical and non-technical audiences. * Present data-driven findings and recommendations to team leads, government customers, and executive stakeholders. * Support cross-functional SE&I teams in a fast-paced PNT/GPS mission environment. ## Related Videos - [Data Science in Retail](https://www.wearedevelopers.com/videos/586-data-science-in-retail) - [Alibaba Big Data and Machine Learning Technology](https://www.wearedevelopers.com/videos/37-alibaba-big-data-and-machine-learning-technology) - [MySQL Protocol Features You Should Be Aware Of](https://www.wearedevelopers.com/videos/100267-mysql-protocol-features-you-should-be-aware-of) - [40 Minutes to Build a Serverless COVID-19 REST and GraphQL APIs](https://www.wearedevelopers.com/videos/208-40-minutes-to-build-a-serverless-covid-19-rest-and-graphql-apis) - [Valven Atlas: Engineering Intelligence That Delivers](https://www.wearedevelopers.com/videos/1660-valven-atlas-engineering-intelligence-that-delivers) - [PySpark - Combining Machine Learning & Big Data](https://www.wearedevelopers.com/videos/44-pyspark-combining-machine-learning-big-data) ## Related Articles - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [Data Analyst Salary in the UK](https://www.wearedevelopers.com/magazine/278-data-analyst-salary-in-the-uk) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [Data Analyst Salary in Switzerland](https://www.wearedevelopers.com/magazine/276-data-analyst-salary-in-switzerland)